1 /* 2 * Copyright 2015 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: AMD 23 * 24 */ 25 26 /* The caprices of the preprocessor require that this be declared right here */ 27 #define CREATE_TRACE_POINTS 28 29 #include "dm_services_types.h" 30 #include "dc.h" 31 #include "link_enc_cfg.h" 32 #include "dc/inc/core_types.h" 33 #include "dal_asic_id.h" 34 #include "dmub/dmub_srv.h" 35 #include "dc/inc/hw/dmcu.h" 36 #include "dc/inc/hw/abm.h" 37 #include "dc/dc_dmub_srv.h" 38 #include "dc/dc_edid_parser.h" 39 #include "dc/dc_stat.h" 40 #include "dc/dc_state.h" 41 #include "amdgpu_dm_trace.h" 42 #include "dpcd_defs.h" 43 #include "link/protocols/link_dpcd.h" 44 #include "link_service_types.h" 45 #include "link/protocols/link_dp_capability.h" 46 #include "link/protocols/link_ddc.h" 47 48 #include "vid.h" 49 #include "amdgpu.h" 50 #include "amdgpu_display.h" 51 #include "amdgpu_ucode.h" 52 #include "atom.h" 53 #include "amdgpu_dm.h" 54 #include "amdgpu_dm_plane.h" 55 #include "amdgpu_dm_crtc.h" 56 #include "amdgpu_dm_hdcp.h" 57 #include <drm/display/drm_hdcp_helper.h> 58 #include "amdgpu_dm_wb.h" 59 #include "amdgpu_pm.h" 60 #include "amdgpu_atombios.h" 61 62 #include "amd_shared.h" 63 #include "amdgpu_dm_irq.h" 64 #include "dm_helpers.h" 65 #include "amdgpu_dm_mst_types.h" 66 #if defined(CONFIG_DEBUG_FS) 67 #include "amdgpu_dm_debugfs.h" 68 #endif 69 #include "amdgpu_dm_psr.h" 70 #include "amdgpu_dm_replay.h" 71 72 #include "ivsrcid/ivsrcid_vislands30.h" 73 74 #include <linux/backlight.h> 75 #include <linux/module.h> 76 #include <linux/moduleparam.h> 77 #include <linux/types.h> 78 #include <linux/pm_runtime.h> 79 #include <linux/pci.h> 80 #include <linux/firmware.h> 81 #include <linux/component.h> 82 #include <linux/dmi.h> 83 84 #include <drm/display/drm_dp_mst_helper.h> 85 #include <drm/display/drm_hdmi_helper.h> 86 #include <drm/drm_atomic.h> 87 #include <drm/drm_atomic_uapi.h> 88 #include <drm/drm_atomic_helper.h> 89 #include <drm/drm_blend.h> 90 #include <drm/drm_fixed.h> 91 #include <drm/drm_fourcc.h> 92 #include <drm/drm_edid.h> 93 #include <drm/drm_eld.h> 94 #include <drm/drm_vblank.h> 95 #include <drm/drm_audio_component.h> 96 #include <drm/drm_gem_atomic_helper.h> 97 98 #include <acpi/video.h> 99 100 #include "ivsrcid/dcn/irqsrcs_dcn_1_0.h" 101 102 #include "dcn/dcn_1_0_offset.h" 103 #include "dcn/dcn_1_0_sh_mask.h" 104 #include "soc15_hw_ip.h" 105 #include "soc15_common.h" 106 #include "vega10_ip_offset.h" 107 108 #include "gc/gc_11_0_0_offset.h" 109 #include "gc/gc_11_0_0_sh_mask.h" 110 111 #include "modules/inc/mod_freesync.h" 112 #include "modules/power/power_helpers.h" 113 114 #define FIRMWARE_RENOIR_DMUB "amdgpu/renoir_dmcub.bin" 115 MODULE_FIRMWARE(FIRMWARE_RENOIR_DMUB); 116 #define FIRMWARE_SIENNA_CICHLID_DMUB "amdgpu/sienna_cichlid_dmcub.bin" 117 MODULE_FIRMWARE(FIRMWARE_SIENNA_CICHLID_DMUB); 118 #define FIRMWARE_NAVY_FLOUNDER_DMUB "amdgpu/navy_flounder_dmcub.bin" 119 MODULE_FIRMWARE(FIRMWARE_NAVY_FLOUNDER_DMUB); 120 #define FIRMWARE_GREEN_SARDINE_DMUB "amdgpu/green_sardine_dmcub.bin" 121 MODULE_FIRMWARE(FIRMWARE_GREEN_SARDINE_DMUB); 122 #define FIRMWARE_VANGOGH_DMUB "amdgpu/vangogh_dmcub.bin" 123 MODULE_FIRMWARE(FIRMWARE_VANGOGH_DMUB); 124 #define FIRMWARE_DIMGREY_CAVEFISH_DMUB "amdgpu/dimgrey_cavefish_dmcub.bin" 125 MODULE_FIRMWARE(FIRMWARE_DIMGREY_CAVEFISH_DMUB); 126 #define FIRMWARE_BEIGE_GOBY_DMUB "amdgpu/beige_goby_dmcub.bin" 127 MODULE_FIRMWARE(FIRMWARE_BEIGE_GOBY_DMUB); 128 #define FIRMWARE_YELLOW_CARP_DMUB "amdgpu/yellow_carp_dmcub.bin" 129 MODULE_FIRMWARE(FIRMWARE_YELLOW_CARP_DMUB); 130 #define FIRMWARE_DCN_314_DMUB "amdgpu/dcn_3_1_4_dmcub.bin" 131 MODULE_FIRMWARE(FIRMWARE_DCN_314_DMUB); 132 #define FIRMWARE_DCN_315_DMUB "amdgpu/dcn_3_1_5_dmcub.bin" 133 MODULE_FIRMWARE(FIRMWARE_DCN_315_DMUB); 134 #define FIRMWARE_DCN316_DMUB "amdgpu/dcn_3_1_6_dmcub.bin" 135 MODULE_FIRMWARE(FIRMWARE_DCN316_DMUB); 136 137 #define FIRMWARE_DCN_V3_2_0_DMCUB "amdgpu/dcn_3_2_0_dmcub.bin" 138 MODULE_FIRMWARE(FIRMWARE_DCN_V3_2_0_DMCUB); 139 #define FIRMWARE_DCN_V3_2_1_DMCUB "amdgpu/dcn_3_2_1_dmcub.bin" 140 MODULE_FIRMWARE(FIRMWARE_DCN_V3_2_1_DMCUB); 141 142 #define FIRMWARE_RAVEN_DMCU "amdgpu/raven_dmcu.bin" 143 MODULE_FIRMWARE(FIRMWARE_RAVEN_DMCU); 144 145 #define FIRMWARE_NAVI12_DMCU "amdgpu/navi12_dmcu.bin" 146 MODULE_FIRMWARE(FIRMWARE_NAVI12_DMCU); 147 148 #define FIRMWARE_DCN_35_DMUB "amdgpu/dcn_3_5_dmcub.bin" 149 MODULE_FIRMWARE(FIRMWARE_DCN_35_DMUB); 150 151 /* Number of bytes in PSP header for firmware. */ 152 #define PSP_HEADER_BYTES 0x100 153 154 /* Number of bytes in PSP footer for firmware. */ 155 #define PSP_FOOTER_BYTES 0x100 156 157 /** 158 * DOC: overview 159 * 160 * The AMDgpu display manager, **amdgpu_dm** (or even simpler, 161 * **dm**) sits between DRM and DC. It acts as a liaison, converting DRM 162 * requests into DC requests, and DC responses into DRM responses. 163 * 164 * The root control structure is &struct amdgpu_display_manager. 165 */ 166 167 /* basic init/fini API */ 168 static int amdgpu_dm_init(struct amdgpu_device *adev); 169 static void amdgpu_dm_fini(struct amdgpu_device *adev); 170 static bool is_freesync_video_mode(const struct drm_display_mode *mode, struct amdgpu_dm_connector *aconnector); 171 172 static enum drm_mode_subconnector get_subconnector_type(struct dc_link *link) 173 { 174 switch (link->dpcd_caps.dongle_type) { 175 case DISPLAY_DONGLE_NONE: 176 return DRM_MODE_SUBCONNECTOR_Native; 177 case DISPLAY_DONGLE_DP_VGA_CONVERTER: 178 return DRM_MODE_SUBCONNECTOR_VGA; 179 case DISPLAY_DONGLE_DP_DVI_CONVERTER: 180 case DISPLAY_DONGLE_DP_DVI_DONGLE: 181 return DRM_MODE_SUBCONNECTOR_DVID; 182 case DISPLAY_DONGLE_DP_HDMI_CONVERTER: 183 case DISPLAY_DONGLE_DP_HDMI_DONGLE: 184 return DRM_MODE_SUBCONNECTOR_HDMIA; 185 case DISPLAY_DONGLE_DP_HDMI_MISMATCHED_DONGLE: 186 default: 187 return DRM_MODE_SUBCONNECTOR_Unknown; 188 } 189 } 190 191 static void update_subconnector_property(struct amdgpu_dm_connector *aconnector) 192 { 193 struct dc_link *link = aconnector->dc_link; 194 struct drm_connector *connector = &aconnector->base; 195 enum drm_mode_subconnector subconnector = DRM_MODE_SUBCONNECTOR_Unknown; 196 197 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort) 198 return; 199 200 if (aconnector->dc_sink) 201 subconnector = get_subconnector_type(link); 202 203 drm_object_property_set_value(&connector->base, 204 connector->dev->mode_config.dp_subconnector_property, 205 subconnector); 206 } 207 208 /* 209 * initializes drm_device display related structures, based on the information 210 * provided by DAL. The drm strcutures are: drm_crtc, drm_connector, 211 * drm_encoder, drm_mode_config 212 * 213 * Returns 0 on success 214 */ 215 static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev); 216 /* removes and deallocates the drm structures, created by the above function */ 217 static void amdgpu_dm_destroy_drm_device(struct amdgpu_display_manager *dm); 218 219 static int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm, 220 struct amdgpu_dm_connector *amdgpu_dm_connector, 221 u32 link_index, 222 struct amdgpu_encoder *amdgpu_encoder); 223 static int amdgpu_dm_encoder_init(struct drm_device *dev, 224 struct amdgpu_encoder *aencoder, 225 uint32_t link_index); 226 227 static int amdgpu_dm_connector_get_modes(struct drm_connector *connector); 228 229 static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state); 230 231 static int amdgpu_dm_atomic_check(struct drm_device *dev, 232 struct drm_atomic_state *state); 233 234 static void handle_hpd_irq_helper(struct amdgpu_dm_connector *aconnector); 235 static void handle_hpd_rx_irq(void *param); 236 237 static bool 238 is_timing_unchanged_for_freesync(struct drm_crtc_state *old_crtc_state, 239 struct drm_crtc_state *new_crtc_state); 240 /* 241 * dm_vblank_get_counter 242 * 243 * @brief 244 * Get counter for number of vertical blanks 245 * 246 * @param 247 * struct amdgpu_device *adev - [in] desired amdgpu device 248 * int disp_idx - [in] which CRTC to get the counter from 249 * 250 * @return 251 * Counter for vertical blanks 252 */ 253 static u32 dm_vblank_get_counter(struct amdgpu_device *adev, int crtc) 254 { 255 struct amdgpu_crtc *acrtc = NULL; 256 257 if (crtc >= adev->mode_info.num_crtc) 258 return 0; 259 260 acrtc = adev->mode_info.crtcs[crtc]; 261 262 if (!acrtc->dm_irq_params.stream) { 263 DRM_ERROR("dc_stream_state is NULL for crtc '%d'!\n", 264 crtc); 265 return 0; 266 } 267 268 return dc_stream_get_vblank_counter(acrtc->dm_irq_params.stream); 269 } 270 271 static int dm_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc, 272 u32 *vbl, u32 *position) 273 { 274 u32 v_blank_start, v_blank_end, h_position, v_position; 275 struct amdgpu_crtc *acrtc = NULL; 276 struct dc *dc = adev->dm.dc; 277 278 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc)) 279 return -EINVAL; 280 281 acrtc = adev->mode_info.crtcs[crtc]; 282 283 if (!acrtc->dm_irq_params.stream) { 284 DRM_ERROR("dc_stream_state is NULL for crtc '%d'!\n", 285 crtc); 286 return 0; 287 } 288 289 if (dc && dc->caps.ips_support && dc->idle_optimizations_allowed) 290 dc_allow_idle_optimizations(dc, false); 291 292 /* 293 * TODO rework base driver to use values directly. 294 * for now parse it back into reg-format 295 */ 296 dc_stream_get_scanoutpos(acrtc->dm_irq_params.stream, 297 &v_blank_start, 298 &v_blank_end, 299 &h_position, 300 &v_position); 301 302 *position = v_position | (h_position << 16); 303 *vbl = v_blank_start | (v_blank_end << 16); 304 305 return 0; 306 } 307 308 static bool dm_is_idle(void *handle) 309 { 310 /* XXX todo */ 311 return true; 312 } 313 314 static int dm_wait_for_idle(void *handle) 315 { 316 /* XXX todo */ 317 return 0; 318 } 319 320 static bool dm_check_soft_reset(void *handle) 321 { 322 return false; 323 } 324 325 static int dm_soft_reset(void *handle) 326 { 327 /* XXX todo */ 328 return 0; 329 } 330 331 static struct amdgpu_crtc * 332 get_crtc_by_otg_inst(struct amdgpu_device *adev, 333 int otg_inst) 334 { 335 struct drm_device *dev = adev_to_drm(adev); 336 struct drm_crtc *crtc; 337 struct amdgpu_crtc *amdgpu_crtc; 338 339 if (WARN_ON(otg_inst == -1)) 340 return adev->mode_info.crtcs[0]; 341 342 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 343 amdgpu_crtc = to_amdgpu_crtc(crtc); 344 345 if (amdgpu_crtc->otg_inst == otg_inst) 346 return amdgpu_crtc; 347 } 348 349 return NULL; 350 } 351 352 static inline bool is_dc_timing_adjust_needed(struct dm_crtc_state *old_state, 353 struct dm_crtc_state *new_state) 354 { 355 if (new_state->freesync_config.state == VRR_STATE_ACTIVE_FIXED) 356 return true; 357 else if (amdgpu_dm_crtc_vrr_active(old_state) != amdgpu_dm_crtc_vrr_active(new_state)) 358 return true; 359 else 360 return false; 361 } 362 363 static inline void reverse_planes_order(struct dc_surface_update *array_of_surface_update, 364 int planes_count) 365 { 366 int i, j; 367 368 for (i = 0, j = planes_count - 1; i < j; i++, j--) 369 swap(array_of_surface_update[i], array_of_surface_update[j]); 370 } 371 372 /** 373 * update_planes_and_stream_adapter() - Send planes to be updated in DC 374 * 375 * DC has a generic way to update planes and stream via 376 * dc_update_planes_and_stream function; however, DM might need some 377 * adjustments and preparation before calling it. This function is a wrapper 378 * for the dc_update_planes_and_stream that does any required configuration 379 * before passing control to DC. 380 * 381 * @dc: Display Core control structure 382 * @update_type: specify whether it is FULL/MEDIUM/FAST update 383 * @planes_count: planes count to update 384 * @stream: stream state 385 * @stream_update: stream update 386 * @array_of_surface_update: dc surface update pointer 387 * 388 */ 389 static inline bool update_planes_and_stream_adapter(struct dc *dc, 390 int update_type, 391 int planes_count, 392 struct dc_stream_state *stream, 393 struct dc_stream_update *stream_update, 394 struct dc_surface_update *array_of_surface_update) 395 { 396 reverse_planes_order(array_of_surface_update, planes_count); 397 398 /* 399 * Previous frame finished and HW is ready for optimization. 400 */ 401 if (update_type == UPDATE_TYPE_FAST) 402 dc_post_update_surfaces_to_stream(dc); 403 404 return dc_update_planes_and_stream(dc, 405 array_of_surface_update, 406 planes_count, 407 stream, 408 stream_update); 409 } 410 411 /** 412 * dm_pflip_high_irq() - Handle pageflip interrupt 413 * @interrupt_params: ignored 414 * 415 * Handles the pageflip interrupt by notifying all interested parties 416 * that the pageflip has been completed. 417 */ 418 static void dm_pflip_high_irq(void *interrupt_params) 419 { 420 struct amdgpu_crtc *amdgpu_crtc; 421 struct common_irq_params *irq_params = interrupt_params; 422 struct amdgpu_device *adev = irq_params->adev; 423 struct drm_device *dev = adev_to_drm(adev); 424 unsigned long flags; 425 struct drm_pending_vblank_event *e; 426 u32 vpos, hpos, v_blank_start, v_blank_end; 427 bool vrr_active; 428 429 amdgpu_crtc = get_crtc_by_otg_inst(adev, irq_params->irq_src - IRQ_TYPE_PFLIP); 430 431 /* IRQ could occur when in initial stage */ 432 /* TODO work and BO cleanup */ 433 if (amdgpu_crtc == NULL) { 434 drm_dbg_state(dev, "CRTC is null, returning.\n"); 435 return; 436 } 437 438 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags); 439 440 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED) { 441 drm_dbg_state(dev, 442 "amdgpu_crtc->pflip_status = %d != AMDGPU_FLIP_SUBMITTED(%d) on crtc:%d[%p]\n", 443 amdgpu_crtc->pflip_status, AMDGPU_FLIP_SUBMITTED, 444 amdgpu_crtc->crtc_id, amdgpu_crtc); 445 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags); 446 return; 447 } 448 449 /* page flip completed. */ 450 e = amdgpu_crtc->event; 451 amdgpu_crtc->event = NULL; 452 453 WARN_ON(!e); 454 455 vrr_active = amdgpu_dm_crtc_vrr_active_irq(amdgpu_crtc); 456 457 /* Fixed refresh rate, or VRR scanout position outside front-porch? */ 458 if (!vrr_active || 459 !dc_stream_get_scanoutpos(amdgpu_crtc->dm_irq_params.stream, &v_blank_start, 460 &v_blank_end, &hpos, &vpos) || 461 (vpos < v_blank_start)) { 462 /* Update to correct count and vblank timestamp if racing with 463 * vblank irq. This also updates to the correct vblank timestamp 464 * even in VRR mode, as scanout is past the front-porch atm. 465 */ 466 drm_crtc_accurate_vblank_count(&amdgpu_crtc->base); 467 468 /* Wake up userspace by sending the pageflip event with proper 469 * count and timestamp of vblank of flip completion. 470 */ 471 if (e) { 472 drm_crtc_send_vblank_event(&amdgpu_crtc->base, e); 473 474 /* Event sent, so done with vblank for this flip */ 475 drm_crtc_vblank_put(&amdgpu_crtc->base); 476 } 477 } else if (e) { 478 /* VRR active and inside front-porch: vblank count and 479 * timestamp for pageflip event will only be up to date after 480 * drm_crtc_handle_vblank() has been executed from late vblank 481 * irq handler after start of back-porch (vline 0). We queue the 482 * pageflip event for send-out by drm_crtc_handle_vblank() with 483 * updated timestamp and count, once it runs after us. 484 * 485 * We need to open-code this instead of using the helper 486 * drm_crtc_arm_vblank_event(), as that helper would 487 * call drm_crtc_accurate_vblank_count(), which we must 488 * not call in VRR mode while we are in front-porch! 489 */ 490 491 /* sequence will be replaced by real count during send-out. */ 492 e->sequence = drm_crtc_vblank_count(&amdgpu_crtc->base); 493 e->pipe = amdgpu_crtc->crtc_id; 494 495 list_add_tail(&e->base.link, &adev_to_drm(adev)->vblank_event_list); 496 e = NULL; 497 } 498 499 /* Keep track of vblank of this flip for flip throttling. We use the 500 * cooked hw counter, as that one incremented at start of this vblank 501 * of pageflip completion, so last_flip_vblank is the forbidden count 502 * for queueing new pageflips if vsync + VRR is enabled. 503 */ 504 amdgpu_crtc->dm_irq_params.last_flip_vblank = 505 amdgpu_get_vblank_counter_kms(&amdgpu_crtc->base); 506 507 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE; 508 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags); 509 510 drm_dbg_state(dev, 511 "crtc:%d[%p], pflip_stat:AMDGPU_FLIP_NONE, vrr[%d]-fp %d\n", 512 amdgpu_crtc->crtc_id, amdgpu_crtc, vrr_active, (int)!e); 513 } 514 515 static void dm_vupdate_high_irq(void *interrupt_params) 516 { 517 struct common_irq_params *irq_params = interrupt_params; 518 struct amdgpu_device *adev = irq_params->adev; 519 struct amdgpu_crtc *acrtc; 520 struct drm_device *drm_dev; 521 struct drm_vblank_crtc *vblank; 522 ktime_t frame_duration_ns, previous_timestamp; 523 unsigned long flags; 524 int vrr_active; 525 526 acrtc = get_crtc_by_otg_inst(adev, irq_params->irq_src - IRQ_TYPE_VUPDATE); 527 528 if (acrtc) { 529 vrr_active = amdgpu_dm_crtc_vrr_active_irq(acrtc); 530 drm_dev = acrtc->base.dev; 531 vblank = &drm_dev->vblank[acrtc->base.index]; 532 previous_timestamp = atomic64_read(&irq_params->previous_timestamp); 533 frame_duration_ns = vblank->time - previous_timestamp; 534 535 if (frame_duration_ns > 0) { 536 trace_amdgpu_refresh_rate_track(acrtc->base.index, 537 frame_duration_ns, 538 ktime_divns(NSEC_PER_SEC, frame_duration_ns)); 539 atomic64_set(&irq_params->previous_timestamp, vblank->time); 540 } 541 542 drm_dbg_vbl(drm_dev, 543 "crtc:%d, vupdate-vrr:%d\n", acrtc->crtc_id, 544 vrr_active); 545 546 /* Core vblank handling is done here after end of front-porch in 547 * vrr mode, as vblank timestamping will give valid results 548 * while now done after front-porch. This will also deliver 549 * page-flip completion events that have been queued to us 550 * if a pageflip happened inside front-porch. 551 */ 552 if (vrr_active) { 553 amdgpu_dm_crtc_handle_vblank(acrtc); 554 555 /* BTR processing for pre-DCE12 ASICs */ 556 if (acrtc->dm_irq_params.stream && 557 adev->family < AMDGPU_FAMILY_AI) { 558 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags); 559 mod_freesync_handle_v_update( 560 adev->dm.freesync_module, 561 acrtc->dm_irq_params.stream, 562 &acrtc->dm_irq_params.vrr_params); 563 564 dc_stream_adjust_vmin_vmax( 565 adev->dm.dc, 566 acrtc->dm_irq_params.stream, 567 &acrtc->dm_irq_params.vrr_params.adjust); 568 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags); 569 } 570 } 571 } 572 } 573 574 /** 575 * dm_crtc_high_irq() - Handles CRTC interrupt 576 * @interrupt_params: used for determining the CRTC instance 577 * 578 * Handles the CRTC/VSYNC interrupt by notfying DRM's VBLANK 579 * event handler. 580 */ 581 static void dm_crtc_high_irq(void *interrupt_params) 582 { 583 struct common_irq_params *irq_params = interrupt_params; 584 struct amdgpu_device *adev = irq_params->adev; 585 struct drm_writeback_job *job; 586 struct amdgpu_crtc *acrtc; 587 unsigned long flags; 588 int vrr_active; 589 590 acrtc = get_crtc_by_otg_inst(adev, irq_params->irq_src - IRQ_TYPE_VBLANK); 591 if (!acrtc) 592 return; 593 594 if (acrtc->wb_pending) { 595 if (acrtc->wb_conn) { 596 spin_lock_irqsave(&acrtc->wb_conn->job_lock, flags); 597 job = list_first_entry_or_null(&acrtc->wb_conn->job_queue, 598 struct drm_writeback_job, 599 list_entry); 600 spin_unlock_irqrestore(&acrtc->wb_conn->job_lock, flags); 601 602 if (job) { 603 unsigned int v_total, refresh_hz; 604 struct dc_stream_state *stream = acrtc->dm_irq_params.stream; 605 606 v_total = stream->adjust.v_total_max ? 607 stream->adjust.v_total_max : stream->timing.v_total; 608 refresh_hz = div_u64((uint64_t) stream->timing.pix_clk_100hz * 609 100LL, (v_total * stream->timing.h_total)); 610 mdelay(1000 / refresh_hz); 611 612 drm_writeback_signal_completion(acrtc->wb_conn, 0); 613 dc_stream_fc_disable_writeback(adev->dm.dc, 614 acrtc->dm_irq_params.stream, 0); 615 } 616 } else 617 DRM_ERROR("%s: no amdgpu_crtc wb_conn\n", __func__); 618 acrtc->wb_pending = false; 619 } 620 621 vrr_active = amdgpu_dm_crtc_vrr_active_irq(acrtc); 622 623 drm_dbg_vbl(adev_to_drm(adev), 624 "crtc:%d, vupdate-vrr:%d, planes:%d\n", acrtc->crtc_id, 625 vrr_active, acrtc->dm_irq_params.active_planes); 626 627 /** 628 * Core vblank handling at start of front-porch is only possible 629 * in non-vrr mode, as only there vblank timestamping will give 630 * valid results while done in front-porch. Otherwise defer it 631 * to dm_vupdate_high_irq after end of front-porch. 632 */ 633 if (!vrr_active) 634 amdgpu_dm_crtc_handle_vblank(acrtc); 635 636 /** 637 * Following stuff must happen at start of vblank, for crc 638 * computation and below-the-range btr support in vrr mode. 639 */ 640 amdgpu_dm_crtc_handle_crc_irq(&acrtc->base); 641 642 /* BTR updates need to happen before VUPDATE on Vega and above. */ 643 if (adev->family < AMDGPU_FAMILY_AI) 644 return; 645 646 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags); 647 648 if (acrtc->dm_irq_params.stream && 649 acrtc->dm_irq_params.vrr_params.supported && 650 acrtc->dm_irq_params.freesync_config.state == 651 VRR_STATE_ACTIVE_VARIABLE) { 652 mod_freesync_handle_v_update(adev->dm.freesync_module, 653 acrtc->dm_irq_params.stream, 654 &acrtc->dm_irq_params.vrr_params); 655 656 dc_stream_adjust_vmin_vmax(adev->dm.dc, acrtc->dm_irq_params.stream, 657 &acrtc->dm_irq_params.vrr_params.adjust); 658 } 659 660 /* 661 * If there aren't any active_planes then DCH HUBP may be clock-gated. 662 * In that case, pageflip completion interrupts won't fire and pageflip 663 * completion events won't get delivered. Prevent this by sending 664 * pending pageflip events from here if a flip is still pending. 665 * 666 * If any planes are enabled, use dm_pflip_high_irq() instead, to 667 * avoid race conditions between flip programming and completion, 668 * which could cause too early flip completion events. 669 */ 670 if (adev->family >= AMDGPU_FAMILY_RV && 671 acrtc->pflip_status == AMDGPU_FLIP_SUBMITTED && 672 acrtc->dm_irq_params.active_planes == 0) { 673 if (acrtc->event) { 674 drm_crtc_send_vblank_event(&acrtc->base, acrtc->event); 675 acrtc->event = NULL; 676 drm_crtc_vblank_put(&acrtc->base); 677 } 678 acrtc->pflip_status = AMDGPU_FLIP_NONE; 679 } 680 681 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags); 682 } 683 684 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY) 685 /** 686 * dm_dcn_vertical_interrupt0_high_irq() - Handles OTG Vertical interrupt0 for 687 * DCN generation ASICs 688 * @interrupt_params: interrupt parameters 689 * 690 * Used to set crc window/read out crc value at vertical line 0 position 691 */ 692 static void dm_dcn_vertical_interrupt0_high_irq(void *interrupt_params) 693 { 694 struct common_irq_params *irq_params = interrupt_params; 695 struct amdgpu_device *adev = irq_params->adev; 696 struct amdgpu_crtc *acrtc; 697 698 acrtc = get_crtc_by_otg_inst(adev, irq_params->irq_src - IRQ_TYPE_VLINE0); 699 700 if (!acrtc) 701 return; 702 703 amdgpu_dm_crtc_handle_crc_window_irq(&acrtc->base); 704 } 705 #endif /* CONFIG_DRM_AMD_SECURE_DISPLAY */ 706 707 /** 708 * dmub_aux_setconfig_callback - Callback for AUX or SET_CONFIG command. 709 * @adev: amdgpu_device pointer 710 * @notify: dmub notification structure 711 * 712 * Dmub AUX or SET_CONFIG command completion processing callback 713 * Copies dmub notification to DM which is to be read by AUX command. 714 * issuing thread and also signals the event to wake up the thread. 715 */ 716 static void dmub_aux_setconfig_callback(struct amdgpu_device *adev, 717 struct dmub_notification *notify) 718 { 719 if (adev->dm.dmub_notify) 720 memcpy(adev->dm.dmub_notify, notify, sizeof(struct dmub_notification)); 721 if (notify->type == DMUB_NOTIFICATION_AUX_REPLY) 722 complete(&adev->dm.dmub_aux_transfer_done); 723 } 724 725 /** 726 * dmub_hpd_callback - DMUB HPD interrupt processing callback. 727 * @adev: amdgpu_device pointer 728 * @notify: dmub notification structure 729 * 730 * Dmub Hpd interrupt processing callback. Gets displayindex through the 731 * ink index and calls helper to do the processing. 732 */ 733 static void dmub_hpd_callback(struct amdgpu_device *adev, 734 struct dmub_notification *notify) 735 { 736 struct amdgpu_dm_connector *aconnector; 737 struct amdgpu_dm_connector *hpd_aconnector = NULL; 738 struct drm_connector *connector; 739 struct drm_connector_list_iter iter; 740 struct dc_link *link; 741 u8 link_index = 0; 742 struct drm_device *dev; 743 744 if (adev == NULL) 745 return; 746 747 if (notify == NULL) { 748 DRM_ERROR("DMUB HPD callback notification was NULL"); 749 return; 750 } 751 752 if (notify->link_index > adev->dm.dc->link_count) { 753 DRM_ERROR("DMUB HPD index (%u)is abnormal", notify->link_index); 754 return; 755 } 756 757 link_index = notify->link_index; 758 link = adev->dm.dc->links[link_index]; 759 dev = adev->dm.ddev; 760 761 drm_connector_list_iter_begin(dev, &iter); 762 drm_for_each_connector_iter(connector, &iter) { 763 764 if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK) 765 continue; 766 767 aconnector = to_amdgpu_dm_connector(connector); 768 if (link && aconnector->dc_link == link) { 769 if (notify->type == DMUB_NOTIFICATION_HPD) 770 DRM_INFO("DMUB HPD callback: link_index=%u\n", link_index); 771 else if (notify->type == DMUB_NOTIFICATION_HPD_IRQ) 772 DRM_INFO("DMUB HPD IRQ callback: link_index=%u\n", link_index); 773 else 774 DRM_WARN("DMUB Unknown HPD callback type %d, link_index=%u\n", 775 notify->type, link_index); 776 777 hpd_aconnector = aconnector; 778 break; 779 } 780 } 781 drm_connector_list_iter_end(&iter); 782 783 if (hpd_aconnector) { 784 if (notify->type == DMUB_NOTIFICATION_HPD) 785 handle_hpd_irq_helper(hpd_aconnector); 786 else if (notify->type == DMUB_NOTIFICATION_HPD_IRQ) 787 handle_hpd_rx_irq(hpd_aconnector); 788 } 789 } 790 791 /** 792 * register_dmub_notify_callback - Sets callback for DMUB notify 793 * @adev: amdgpu_device pointer 794 * @type: Type of dmub notification 795 * @callback: Dmub interrupt callback function 796 * @dmub_int_thread_offload: offload indicator 797 * 798 * API to register a dmub callback handler for a dmub notification 799 * Also sets indicator whether callback processing to be offloaded. 800 * to dmub interrupt handling thread 801 * Return: true if successfully registered, false if there is existing registration 802 */ 803 static bool register_dmub_notify_callback(struct amdgpu_device *adev, 804 enum dmub_notification_type type, 805 dmub_notify_interrupt_callback_t callback, 806 bool dmub_int_thread_offload) 807 { 808 if (callback != NULL && type < ARRAY_SIZE(adev->dm.dmub_thread_offload)) { 809 adev->dm.dmub_callback[type] = callback; 810 adev->dm.dmub_thread_offload[type] = dmub_int_thread_offload; 811 } else 812 return false; 813 814 return true; 815 } 816 817 static void dm_handle_hpd_work(struct work_struct *work) 818 { 819 struct dmub_hpd_work *dmub_hpd_wrk; 820 821 dmub_hpd_wrk = container_of(work, struct dmub_hpd_work, handle_hpd_work); 822 823 if (!dmub_hpd_wrk->dmub_notify) { 824 DRM_ERROR("dmub_hpd_wrk dmub_notify is NULL"); 825 return; 826 } 827 828 if (dmub_hpd_wrk->dmub_notify->type < ARRAY_SIZE(dmub_hpd_wrk->adev->dm.dmub_callback)) { 829 dmub_hpd_wrk->adev->dm.dmub_callback[dmub_hpd_wrk->dmub_notify->type](dmub_hpd_wrk->adev, 830 dmub_hpd_wrk->dmub_notify); 831 } 832 833 kfree(dmub_hpd_wrk->dmub_notify); 834 kfree(dmub_hpd_wrk); 835 836 } 837 838 #define DMUB_TRACE_MAX_READ 64 839 /** 840 * dm_dmub_outbox1_low_irq() - Handles Outbox interrupt 841 * @interrupt_params: used for determining the Outbox instance 842 * 843 * Handles the Outbox Interrupt 844 * event handler. 845 */ 846 static void dm_dmub_outbox1_low_irq(void *interrupt_params) 847 { 848 struct dmub_notification notify; 849 struct common_irq_params *irq_params = interrupt_params; 850 struct amdgpu_device *adev = irq_params->adev; 851 struct amdgpu_display_manager *dm = &adev->dm; 852 struct dmcub_trace_buf_entry entry = { 0 }; 853 u32 count = 0; 854 struct dmub_hpd_work *dmub_hpd_wrk; 855 struct dc_link *plink = NULL; 856 857 if (dc_enable_dmub_notifications(adev->dm.dc) && 858 irq_params->irq_src == DC_IRQ_SOURCE_DMCUB_OUTBOX) { 859 860 do { 861 dc_stat_get_dmub_notification(adev->dm.dc, ¬ify); 862 if (notify.type >= ARRAY_SIZE(dm->dmub_thread_offload)) { 863 DRM_ERROR("DM: notify type %d invalid!", notify.type); 864 continue; 865 } 866 if (!dm->dmub_callback[notify.type]) { 867 DRM_DEBUG_DRIVER("DMUB notification skipped, no handler: type=%d\n", notify.type); 868 continue; 869 } 870 if (dm->dmub_thread_offload[notify.type] == true) { 871 dmub_hpd_wrk = kzalloc(sizeof(*dmub_hpd_wrk), GFP_ATOMIC); 872 if (!dmub_hpd_wrk) { 873 DRM_ERROR("Failed to allocate dmub_hpd_wrk"); 874 return; 875 } 876 dmub_hpd_wrk->dmub_notify = kmemdup(¬ify, sizeof(struct dmub_notification), 877 GFP_ATOMIC); 878 if (!dmub_hpd_wrk->dmub_notify) { 879 kfree(dmub_hpd_wrk); 880 DRM_ERROR("Failed to allocate dmub_hpd_wrk->dmub_notify"); 881 return; 882 } 883 INIT_WORK(&dmub_hpd_wrk->handle_hpd_work, dm_handle_hpd_work); 884 dmub_hpd_wrk->adev = adev; 885 if (notify.type == DMUB_NOTIFICATION_HPD) { 886 plink = adev->dm.dc->links[notify.link_index]; 887 if (plink) { 888 plink->hpd_status = 889 notify.hpd_status == DP_HPD_PLUG; 890 } 891 } 892 queue_work(adev->dm.delayed_hpd_wq, &dmub_hpd_wrk->handle_hpd_work); 893 } else { 894 dm->dmub_callback[notify.type](adev, ¬ify); 895 } 896 } while (notify.pending_notification); 897 } 898 899 900 do { 901 if (dc_dmub_srv_get_dmub_outbox0_msg(dm->dc, &entry)) { 902 trace_amdgpu_dmub_trace_high_irq(entry.trace_code, entry.tick_count, 903 entry.param0, entry.param1); 904 905 DRM_DEBUG_DRIVER("trace_code:%u, tick_count:%u, param0:%u, param1:%u\n", 906 entry.trace_code, entry.tick_count, entry.param0, entry.param1); 907 } else 908 break; 909 910 count++; 911 912 } while (count <= DMUB_TRACE_MAX_READ); 913 914 if (count > DMUB_TRACE_MAX_READ) 915 DRM_DEBUG_DRIVER("Warning : count > DMUB_TRACE_MAX_READ"); 916 } 917 918 static int dm_set_clockgating_state(void *handle, 919 enum amd_clockgating_state state) 920 { 921 return 0; 922 } 923 924 static int dm_set_powergating_state(void *handle, 925 enum amd_powergating_state state) 926 { 927 return 0; 928 } 929 930 /* Prototypes of private functions */ 931 static int dm_early_init(void *handle); 932 933 /* Allocate memory for FBC compressed data */ 934 static void amdgpu_dm_fbc_init(struct drm_connector *connector) 935 { 936 struct amdgpu_device *adev = drm_to_adev(connector->dev); 937 struct dm_compressor_info *compressor = &adev->dm.compressor; 938 struct amdgpu_dm_connector *aconn = to_amdgpu_dm_connector(connector); 939 struct drm_display_mode *mode; 940 unsigned long max_size = 0; 941 942 if (adev->dm.dc->fbc_compressor == NULL) 943 return; 944 945 if (aconn->dc_link->connector_signal != SIGNAL_TYPE_EDP) 946 return; 947 948 if (compressor->bo_ptr) 949 return; 950 951 952 list_for_each_entry(mode, &connector->modes, head) { 953 if (max_size < mode->htotal * mode->vtotal) 954 max_size = mode->htotal * mode->vtotal; 955 } 956 957 if (max_size) { 958 int r = amdgpu_bo_create_kernel(adev, max_size * 4, PAGE_SIZE, 959 AMDGPU_GEM_DOMAIN_GTT, &compressor->bo_ptr, 960 &compressor->gpu_addr, &compressor->cpu_addr); 961 962 if (r) 963 DRM_ERROR("DM: Failed to initialize FBC\n"); 964 else { 965 adev->dm.dc->ctx->fbc_gpu_addr = compressor->gpu_addr; 966 DRM_INFO("DM: FBC alloc %lu\n", max_size*4); 967 } 968 969 } 970 971 } 972 973 static int amdgpu_dm_audio_component_get_eld(struct device *kdev, int port, 974 int pipe, bool *enabled, 975 unsigned char *buf, int max_bytes) 976 { 977 struct drm_device *dev = dev_get_drvdata(kdev); 978 struct amdgpu_device *adev = drm_to_adev(dev); 979 struct drm_connector *connector; 980 struct drm_connector_list_iter conn_iter; 981 struct amdgpu_dm_connector *aconnector; 982 int ret = 0; 983 984 *enabled = false; 985 986 mutex_lock(&adev->dm.audio_lock); 987 988 drm_connector_list_iter_begin(dev, &conn_iter); 989 drm_for_each_connector_iter(connector, &conn_iter) { 990 991 if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK) 992 continue; 993 994 aconnector = to_amdgpu_dm_connector(connector); 995 if (aconnector->audio_inst != port) 996 continue; 997 998 *enabled = true; 999 ret = drm_eld_size(connector->eld); 1000 memcpy(buf, connector->eld, min(max_bytes, ret)); 1001 1002 break; 1003 } 1004 drm_connector_list_iter_end(&conn_iter); 1005 1006 mutex_unlock(&adev->dm.audio_lock); 1007 1008 DRM_DEBUG_KMS("Get ELD : idx=%d ret=%d en=%d\n", port, ret, *enabled); 1009 1010 return ret; 1011 } 1012 1013 static const struct drm_audio_component_ops amdgpu_dm_audio_component_ops = { 1014 .get_eld = amdgpu_dm_audio_component_get_eld, 1015 }; 1016 1017 static int amdgpu_dm_audio_component_bind(struct device *kdev, 1018 struct device *hda_kdev, void *data) 1019 { 1020 struct drm_device *dev = dev_get_drvdata(kdev); 1021 struct amdgpu_device *adev = drm_to_adev(dev); 1022 struct drm_audio_component *acomp = data; 1023 1024 acomp->ops = &amdgpu_dm_audio_component_ops; 1025 acomp->dev = kdev; 1026 adev->dm.audio_component = acomp; 1027 1028 return 0; 1029 } 1030 1031 static void amdgpu_dm_audio_component_unbind(struct device *kdev, 1032 struct device *hda_kdev, void *data) 1033 { 1034 struct amdgpu_device *adev = drm_to_adev(dev_get_drvdata(kdev)); 1035 struct drm_audio_component *acomp = data; 1036 1037 acomp->ops = NULL; 1038 acomp->dev = NULL; 1039 adev->dm.audio_component = NULL; 1040 } 1041 1042 static const struct component_ops amdgpu_dm_audio_component_bind_ops = { 1043 .bind = amdgpu_dm_audio_component_bind, 1044 .unbind = amdgpu_dm_audio_component_unbind, 1045 }; 1046 1047 static int amdgpu_dm_audio_init(struct amdgpu_device *adev) 1048 { 1049 int i, ret; 1050 1051 if (!amdgpu_audio) 1052 return 0; 1053 1054 adev->mode_info.audio.enabled = true; 1055 1056 adev->mode_info.audio.num_pins = adev->dm.dc->res_pool->audio_count; 1057 1058 for (i = 0; i < adev->mode_info.audio.num_pins; i++) { 1059 adev->mode_info.audio.pin[i].channels = -1; 1060 adev->mode_info.audio.pin[i].rate = -1; 1061 adev->mode_info.audio.pin[i].bits_per_sample = -1; 1062 adev->mode_info.audio.pin[i].status_bits = 0; 1063 adev->mode_info.audio.pin[i].category_code = 0; 1064 adev->mode_info.audio.pin[i].connected = false; 1065 adev->mode_info.audio.pin[i].id = 1066 adev->dm.dc->res_pool->audios[i]->inst; 1067 adev->mode_info.audio.pin[i].offset = 0; 1068 } 1069 1070 ret = component_add(adev->dev, &amdgpu_dm_audio_component_bind_ops); 1071 if (ret < 0) 1072 return ret; 1073 1074 adev->dm.audio_registered = true; 1075 1076 return 0; 1077 } 1078 1079 static void amdgpu_dm_audio_fini(struct amdgpu_device *adev) 1080 { 1081 if (!amdgpu_audio) 1082 return; 1083 1084 if (!adev->mode_info.audio.enabled) 1085 return; 1086 1087 if (adev->dm.audio_registered) { 1088 component_del(adev->dev, &amdgpu_dm_audio_component_bind_ops); 1089 adev->dm.audio_registered = false; 1090 } 1091 1092 /* TODO: Disable audio? */ 1093 1094 adev->mode_info.audio.enabled = false; 1095 } 1096 1097 static void amdgpu_dm_audio_eld_notify(struct amdgpu_device *adev, int pin) 1098 { 1099 struct drm_audio_component *acomp = adev->dm.audio_component; 1100 1101 if (acomp && acomp->audio_ops && acomp->audio_ops->pin_eld_notify) { 1102 DRM_DEBUG_KMS("Notify ELD: %d\n", pin); 1103 1104 acomp->audio_ops->pin_eld_notify(acomp->audio_ops->audio_ptr, 1105 pin, -1); 1106 } 1107 } 1108 1109 static int dm_dmub_hw_init(struct amdgpu_device *adev) 1110 { 1111 const struct dmcub_firmware_header_v1_0 *hdr; 1112 struct dmub_srv *dmub_srv = adev->dm.dmub_srv; 1113 struct dmub_srv_fb_info *fb_info = adev->dm.dmub_fb_info; 1114 const struct firmware *dmub_fw = adev->dm.dmub_fw; 1115 struct dmcu *dmcu = adev->dm.dc->res_pool->dmcu; 1116 struct abm *abm = adev->dm.dc->res_pool->abm; 1117 struct dc_context *ctx = adev->dm.dc->ctx; 1118 struct dmub_srv_hw_params hw_params; 1119 enum dmub_status status; 1120 const unsigned char *fw_inst_const, *fw_bss_data; 1121 u32 i, fw_inst_const_size, fw_bss_data_size; 1122 bool has_hw_support; 1123 1124 if (!dmub_srv) 1125 /* DMUB isn't supported on the ASIC. */ 1126 return 0; 1127 1128 if (!fb_info) { 1129 DRM_ERROR("No framebuffer info for DMUB service.\n"); 1130 return -EINVAL; 1131 } 1132 1133 if (!dmub_fw) { 1134 /* Firmware required for DMUB support. */ 1135 DRM_ERROR("No firmware provided for DMUB.\n"); 1136 return -EINVAL; 1137 } 1138 1139 /* initialize register offsets for ASICs with runtime initialization available */ 1140 if (dmub_srv->hw_funcs.init_reg_offsets) 1141 dmub_srv->hw_funcs.init_reg_offsets(dmub_srv, ctx); 1142 1143 status = dmub_srv_has_hw_support(dmub_srv, &has_hw_support); 1144 if (status != DMUB_STATUS_OK) { 1145 DRM_ERROR("Error checking HW support for DMUB: %d\n", status); 1146 return -EINVAL; 1147 } 1148 1149 if (!has_hw_support) { 1150 DRM_INFO("DMUB unsupported on ASIC\n"); 1151 return 0; 1152 } 1153 1154 /* Reset DMCUB if it was previously running - before we overwrite its memory. */ 1155 status = dmub_srv_hw_reset(dmub_srv); 1156 if (status != DMUB_STATUS_OK) 1157 DRM_WARN("Error resetting DMUB HW: %d\n", status); 1158 1159 hdr = (const struct dmcub_firmware_header_v1_0 *)dmub_fw->data; 1160 1161 fw_inst_const = dmub_fw->data + 1162 le32_to_cpu(hdr->header.ucode_array_offset_bytes) + 1163 PSP_HEADER_BYTES; 1164 1165 fw_bss_data = dmub_fw->data + 1166 le32_to_cpu(hdr->header.ucode_array_offset_bytes) + 1167 le32_to_cpu(hdr->inst_const_bytes); 1168 1169 /* Copy firmware and bios info into FB memory. */ 1170 fw_inst_const_size = le32_to_cpu(hdr->inst_const_bytes) - 1171 PSP_HEADER_BYTES - PSP_FOOTER_BYTES; 1172 1173 fw_bss_data_size = le32_to_cpu(hdr->bss_data_bytes); 1174 1175 /* if adev->firmware.load_type == AMDGPU_FW_LOAD_PSP, 1176 * amdgpu_ucode_init_single_fw will load dmub firmware 1177 * fw_inst_const part to cw0; otherwise, the firmware back door load 1178 * will be done by dm_dmub_hw_init 1179 */ 1180 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) { 1181 memcpy(fb_info->fb[DMUB_WINDOW_0_INST_CONST].cpu_addr, fw_inst_const, 1182 fw_inst_const_size); 1183 } 1184 1185 if (fw_bss_data_size) 1186 memcpy(fb_info->fb[DMUB_WINDOW_2_BSS_DATA].cpu_addr, 1187 fw_bss_data, fw_bss_data_size); 1188 1189 /* Copy firmware bios info into FB memory. */ 1190 memcpy(fb_info->fb[DMUB_WINDOW_3_VBIOS].cpu_addr, adev->bios, 1191 adev->bios_size); 1192 1193 /* Reset regions that need to be reset. */ 1194 memset(fb_info->fb[DMUB_WINDOW_4_MAILBOX].cpu_addr, 0, 1195 fb_info->fb[DMUB_WINDOW_4_MAILBOX].size); 1196 1197 memset(fb_info->fb[DMUB_WINDOW_5_TRACEBUFF].cpu_addr, 0, 1198 fb_info->fb[DMUB_WINDOW_5_TRACEBUFF].size); 1199 1200 memset(fb_info->fb[DMUB_WINDOW_6_FW_STATE].cpu_addr, 0, 1201 fb_info->fb[DMUB_WINDOW_6_FW_STATE].size); 1202 1203 /* Initialize hardware. */ 1204 memset(&hw_params, 0, sizeof(hw_params)); 1205 hw_params.fb_base = adev->gmc.fb_start; 1206 hw_params.fb_offset = adev->vm_manager.vram_base_offset; 1207 1208 /* backdoor load firmware and trigger dmub running */ 1209 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) 1210 hw_params.load_inst_const = true; 1211 1212 if (dmcu) 1213 hw_params.psp_version = dmcu->psp_version; 1214 1215 for (i = 0; i < fb_info->num_fb; ++i) 1216 hw_params.fb[i] = &fb_info->fb[i]; 1217 1218 switch (amdgpu_ip_version(adev, DCE_HWIP, 0)) { 1219 case IP_VERSION(3, 1, 3): 1220 case IP_VERSION(3, 1, 4): 1221 case IP_VERSION(3, 5, 0): 1222 hw_params.dpia_supported = true; 1223 hw_params.disable_dpia = adev->dm.dc->debug.dpia_debug.bits.disable_dpia; 1224 break; 1225 default: 1226 break; 1227 } 1228 1229 status = dmub_srv_hw_init(dmub_srv, &hw_params); 1230 if (status != DMUB_STATUS_OK) { 1231 DRM_ERROR("Error initializing DMUB HW: %d\n", status); 1232 return -EINVAL; 1233 } 1234 1235 /* Wait for firmware load to finish. */ 1236 status = dmub_srv_wait_for_auto_load(dmub_srv, 100000); 1237 if (status != DMUB_STATUS_OK) 1238 DRM_WARN("Wait for DMUB auto-load failed: %d\n", status); 1239 1240 /* Init DMCU and ABM if available. */ 1241 if (dmcu && abm) { 1242 dmcu->funcs->dmcu_init(dmcu); 1243 abm->dmcu_is_running = dmcu->funcs->is_dmcu_initialized(dmcu); 1244 } 1245 1246 if (!adev->dm.dc->ctx->dmub_srv) 1247 adev->dm.dc->ctx->dmub_srv = dc_dmub_srv_create(adev->dm.dc, dmub_srv); 1248 if (!adev->dm.dc->ctx->dmub_srv) { 1249 DRM_ERROR("Couldn't allocate DC DMUB server!\n"); 1250 return -ENOMEM; 1251 } 1252 1253 DRM_INFO("DMUB hardware initialized: version=0x%08X\n", 1254 adev->dm.dmcub_fw_version); 1255 1256 return 0; 1257 } 1258 1259 static void dm_dmub_hw_resume(struct amdgpu_device *adev) 1260 { 1261 struct dmub_srv *dmub_srv = adev->dm.dmub_srv; 1262 enum dmub_status status; 1263 bool init; 1264 1265 if (!dmub_srv) { 1266 /* DMUB isn't supported on the ASIC. */ 1267 return; 1268 } 1269 1270 status = dmub_srv_is_hw_init(dmub_srv, &init); 1271 if (status != DMUB_STATUS_OK) 1272 DRM_WARN("DMUB hardware init check failed: %d\n", status); 1273 1274 if (status == DMUB_STATUS_OK && init) { 1275 /* Wait for firmware load to finish. */ 1276 status = dmub_srv_wait_for_auto_load(dmub_srv, 100000); 1277 if (status != DMUB_STATUS_OK) 1278 DRM_WARN("Wait for DMUB auto-load failed: %d\n", status); 1279 } else { 1280 /* Perform the full hardware initialization. */ 1281 dm_dmub_hw_init(adev); 1282 } 1283 } 1284 1285 static void mmhub_read_system_context(struct amdgpu_device *adev, struct dc_phy_addr_space_config *pa_config) 1286 { 1287 u64 pt_base; 1288 u32 logical_addr_low; 1289 u32 logical_addr_high; 1290 u32 agp_base, agp_bot, agp_top; 1291 PHYSICAL_ADDRESS_LOC page_table_start, page_table_end, page_table_base; 1292 1293 memset(pa_config, 0, sizeof(*pa_config)); 1294 1295 agp_base = 0; 1296 agp_bot = adev->gmc.agp_start >> 24; 1297 agp_top = adev->gmc.agp_end >> 24; 1298 1299 /* AGP aperture is disabled */ 1300 if (agp_bot > agp_top) { 1301 logical_addr_low = adev->gmc.fb_start >> 18; 1302 if (adev->apu_flags & (AMD_APU_IS_RAVEN2 | 1303 AMD_APU_IS_RENOIR | 1304 AMD_APU_IS_GREEN_SARDINE)) 1305 /* 1306 * Raven2 has a HW issue that it is unable to use the vram which 1307 * is out of MC_VM_SYSTEM_APERTURE_HIGH_ADDR. So here is the 1308 * workaround that increase system aperture high address (add 1) 1309 * to get rid of the VM fault and hardware hang. 1310 */ 1311 logical_addr_high = (adev->gmc.fb_end >> 18) + 0x1; 1312 else 1313 logical_addr_high = adev->gmc.fb_end >> 18; 1314 } else { 1315 logical_addr_low = min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18; 1316 if (adev->apu_flags & (AMD_APU_IS_RAVEN2 | 1317 AMD_APU_IS_RENOIR | 1318 AMD_APU_IS_GREEN_SARDINE)) 1319 /* 1320 * Raven2 has a HW issue that it is unable to use the vram which 1321 * is out of MC_VM_SYSTEM_APERTURE_HIGH_ADDR. So here is the 1322 * workaround that increase system aperture high address (add 1) 1323 * to get rid of the VM fault and hardware hang. 1324 */ 1325 logical_addr_high = max((adev->gmc.fb_end >> 18) + 0x1, adev->gmc.agp_end >> 18); 1326 else 1327 logical_addr_high = max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18; 1328 } 1329 1330 pt_base = amdgpu_gmc_pd_addr(adev->gart.bo); 1331 1332 page_table_start.high_part = upper_32_bits(adev->gmc.gart_start >> 1333 AMDGPU_GPU_PAGE_SHIFT); 1334 page_table_start.low_part = lower_32_bits(adev->gmc.gart_start >> 1335 AMDGPU_GPU_PAGE_SHIFT); 1336 page_table_end.high_part = upper_32_bits(adev->gmc.gart_end >> 1337 AMDGPU_GPU_PAGE_SHIFT); 1338 page_table_end.low_part = lower_32_bits(adev->gmc.gart_end >> 1339 AMDGPU_GPU_PAGE_SHIFT); 1340 page_table_base.high_part = upper_32_bits(pt_base); 1341 page_table_base.low_part = lower_32_bits(pt_base); 1342 1343 pa_config->system_aperture.start_addr = (uint64_t)logical_addr_low << 18; 1344 pa_config->system_aperture.end_addr = (uint64_t)logical_addr_high << 18; 1345 1346 pa_config->system_aperture.agp_base = (uint64_t)agp_base << 24; 1347 pa_config->system_aperture.agp_bot = (uint64_t)agp_bot << 24; 1348 pa_config->system_aperture.agp_top = (uint64_t)agp_top << 24; 1349 1350 pa_config->system_aperture.fb_base = adev->gmc.fb_start; 1351 pa_config->system_aperture.fb_offset = adev->vm_manager.vram_base_offset; 1352 pa_config->system_aperture.fb_top = adev->gmc.fb_end; 1353 1354 pa_config->gart_config.page_table_start_addr = page_table_start.quad_part << 12; 1355 pa_config->gart_config.page_table_end_addr = page_table_end.quad_part << 12; 1356 pa_config->gart_config.page_table_base_addr = page_table_base.quad_part; 1357 1358 pa_config->is_hvm_enabled = adev->mode_info.gpu_vm_support; 1359 1360 } 1361 1362 static void force_connector_state( 1363 struct amdgpu_dm_connector *aconnector, 1364 enum drm_connector_force force_state) 1365 { 1366 struct drm_connector *connector = &aconnector->base; 1367 1368 mutex_lock(&connector->dev->mode_config.mutex); 1369 aconnector->base.force = force_state; 1370 mutex_unlock(&connector->dev->mode_config.mutex); 1371 1372 mutex_lock(&aconnector->hpd_lock); 1373 drm_kms_helper_connector_hotplug_event(connector); 1374 mutex_unlock(&aconnector->hpd_lock); 1375 } 1376 1377 static void dm_handle_hpd_rx_offload_work(struct work_struct *work) 1378 { 1379 struct hpd_rx_irq_offload_work *offload_work; 1380 struct amdgpu_dm_connector *aconnector; 1381 struct dc_link *dc_link; 1382 struct amdgpu_device *adev; 1383 enum dc_connection_type new_connection_type = dc_connection_none; 1384 unsigned long flags; 1385 union test_response test_response; 1386 1387 memset(&test_response, 0, sizeof(test_response)); 1388 1389 offload_work = container_of(work, struct hpd_rx_irq_offload_work, work); 1390 aconnector = offload_work->offload_wq->aconnector; 1391 1392 if (!aconnector) { 1393 DRM_ERROR("Can't retrieve aconnector in hpd_rx_irq_offload_work"); 1394 goto skip; 1395 } 1396 1397 adev = drm_to_adev(aconnector->base.dev); 1398 dc_link = aconnector->dc_link; 1399 1400 mutex_lock(&aconnector->hpd_lock); 1401 if (!dc_link_detect_connection_type(dc_link, &new_connection_type)) 1402 DRM_ERROR("KMS: Failed to detect connector\n"); 1403 mutex_unlock(&aconnector->hpd_lock); 1404 1405 if (new_connection_type == dc_connection_none) 1406 goto skip; 1407 1408 if (amdgpu_in_reset(adev)) 1409 goto skip; 1410 1411 if (offload_work->data.bytes.device_service_irq.bits.UP_REQ_MSG_RDY || 1412 offload_work->data.bytes.device_service_irq.bits.DOWN_REP_MSG_RDY) { 1413 dm_handle_mst_sideband_msg_ready_event(&aconnector->mst_mgr, DOWN_OR_UP_MSG_RDY_EVENT); 1414 spin_lock_irqsave(&offload_work->offload_wq->offload_lock, flags); 1415 offload_work->offload_wq->is_handling_mst_msg_rdy_event = false; 1416 spin_unlock_irqrestore(&offload_work->offload_wq->offload_lock, flags); 1417 goto skip; 1418 } 1419 1420 mutex_lock(&adev->dm.dc_lock); 1421 if (offload_work->data.bytes.device_service_irq.bits.AUTOMATED_TEST) { 1422 dc_link_dp_handle_automated_test(dc_link); 1423 1424 if (aconnector->timing_changed) { 1425 /* force connector disconnect and reconnect */ 1426 force_connector_state(aconnector, DRM_FORCE_OFF); 1427 msleep(100); 1428 force_connector_state(aconnector, DRM_FORCE_UNSPECIFIED); 1429 } 1430 1431 test_response.bits.ACK = 1; 1432 1433 core_link_write_dpcd( 1434 dc_link, 1435 DP_TEST_RESPONSE, 1436 &test_response.raw, 1437 sizeof(test_response)); 1438 } else if ((dc_link->connector_signal != SIGNAL_TYPE_EDP) && 1439 dc_link_check_link_loss_status(dc_link, &offload_work->data) && 1440 dc_link_dp_allow_hpd_rx_irq(dc_link)) { 1441 /* offload_work->data is from handle_hpd_rx_irq-> 1442 * schedule_hpd_rx_offload_work.this is defer handle 1443 * for hpd short pulse. upon here, link status may be 1444 * changed, need get latest link status from dpcd 1445 * registers. if link status is good, skip run link 1446 * training again. 1447 */ 1448 union hpd_irq_data irq_data; 1449 1450 memset(&irq_data, 0, sizeof(irq_data)); 1451 1452 /* before dc_link_dp_handle_link_loss, allow new link lost handle 1453 * request be added to work queue if link lost at end of dc_link_ 1454 * dp_handle_link_loss 1455 */ 1456 spin_lock_irqsave(&offload_work->offload_wq->offload_lock, flags); 1457 offload_work->offload_wq->is_handling_link_loss = false; 1458 spin_unlock_irqrestore(&offload_work->offload_wq->offload_lock, flags); 1459 1460 if ((dc_link_dp_read_hpd_rx_irq_data(dc_link, &irq_data) == DC_OK) && 1461 dc_link_check_link_loss_status(dc_link, &irq_data)) 1462 dc_link_dp_handle_link_loss(dc_link); 1463 } 1464 mutex_unlock(&adev->dm.dc_lock); 1465 1466 skip: 1467 kfree(offload_work); 1468 1469 } 1470 1471 static struct hpd_rx_irq_offload_work_queue *hpd_rx_irq_create_workqueue(struct dc *dc) 1472 { 1473 int max_caps = dc->caps.max_links; 1474 int i = 0; 1475 struct hpd_rx_irq_offload_work_queue *hpd_rx_offload_wq = NULL; 1476 1477 hpd_rx_offload_wq = kcalloc(max_caps, sizeof(*hpd_rx_offload_wq), GFP_KERNEL); 1478 1479 if (!hpd_rx_offload_wq) 1480 return NULL; 1481 1482 1483 for (i = 0; i < max_caps; i++) { 1484 hpd_rx_offload_wq[i].wq = 1485 create_singlethread_workqueue("amdgpu_dm_hpd_rx_offload_wq"); 1486 1487 if (hpd_rx_offload_wq[i].wq == NULL) { 1488 DRM_ERROR("create amdgpu_dm_hpd_rx_offload_wq fail!"); 1489 goto out_err; 1490 } 1491 1492 spin_lock_init(&hpd_rx_offload_wq[i].offload_lock); 1493 } 1494 1495 return hpd_rx_offload_wq; 1496 1497 out_err: 1498 for (i = 0; i < max_caps; i++) { 1499 if (hpd_rx_offload_wq[i].wq) 1500 destroy_workqueue(hpd_rx_offload_wq[i].wq); 1501 } 1502 kfree(hpd_rx_offload_wq); 1503 return NULL; 1504 } 1505 1506 struct amdgpu_stutter_quirk { 1507 u16 chip_vendor; 1508 u16 chip_device; 1509 u16 subsys_vendor; 1510 u16 subsys_device; 1511 u8 revision; 1512 }; 1513 1514 static const struct amdgpu_stutter_quirk amdgpu_stutter_quirk_list[] = { 1515 /* https://bugzilla.kernel.org/show_bug.cgi?id=214417 */ 1516 { 0x1002, 0x15dd, 0x1002, 0x15dd, 0xc8 }, 1517 { 0, 0, 0, 0, 0 }, 1518 }; 1519 1520 static bool dm_should_disable_stutter(struct pci_dev *pdev) 1521 { 1522 const struct amdgpu_stutter_quirk *p = amdgpu_stutter_quirk_list; 1523 1524 while (p && p->chip_device != 0) { 1525 if (pdev->vendor == p->chip_vendor && 1526 pdev->device == p->chip_device && 1527 pdev->subsystem_vendor == p->subsys_vendor && 1528 pdev->subsystem_device == p->subsys_device && 1529 pdev->revision == p->revision) { 1530 return true; 1531 } 1532 ++p; 1533 } 1534 return false; 1535 } 1536 1537 static const struct dmi_system_id hpd_disconnect_quirk_table[] = { 1538 { 1539 .matches = { 1540 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 1541 DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3660"), 1542 }, 1543 }, 1544 { 1545 .matches = { 1546 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 1547 DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3260"), 1548 }, 1549 }, 1550 { 1551 .matches = { 1552 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 1553 DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3460"), 1554 }, 1555 }, 1556 { 1557 .matches = { 1558 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 1559 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex Tower Plus 7010"), 1560 }, 1561 }, 1562 { 1563 .matches = { 1564 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 1565 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex Tower 7010"), 1566 }, 1567 }, 1568 { 1569 .matches = { 1570 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 1571 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex SFF Plus 7010"), 1572 }, 1573 }, 1574 { 1575 .matches = { 1576 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 1577 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex SFF 7010"), 1578 }, 1579 }, 1580 { 1581 .matches = { 1582 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 1583 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex Micro Plus 7010"), 1584 }, 1585 }, 1586 { 1587 .matches = { 1588 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 1589 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex Micro 7010"), 1590 }, 1591 }, 1592 {} 1593 /* TODO: refactor this from a fixed table to a dynamic option */ 1594 }; 1595 1596 static void retrieve_dmi_info(struct amdgpu_display_manager *dm) 1597 { 1598 const struct dmi_system_id *dmi_id; 1599 1600 dm->aux_hpd_discon_quirk = false; 1601 1602 dmi_id = dmi_first_match(hpd_disconnect_quirk_table); 1603 if (dmi_id) { 1604 dm->aux_hpd_discon_quirk = true; 1605 DRM_INFO("aux_hpd_discon_quirk attached\n"); 1606 } 1607 } 1608 1609 static int amdgpu_dm_init(struct amdgpu_device *adev) 1610 { 1611 struct dc_init_data init_data; 1612 struct dc_callback_init init_params; 1613 int r; 1614 1615 adev->dm.ddev = adev_to_drm(adev); 1616 adev->dm.adev = adev; 1617 1618 /* Zero all the fields */ 1619 memset(&init_data, 0, sizeof(init_data)); 1620 memset(&init_params, 0, sizeof(init_params)); 1621 1622 mutex_init(&adev->dm.dpia_aux_lock); 1623 mutex_init(&adev->dm.dc_lock); 1624 mutex_init(&adev->dm.audio_lock); 1625 1626 if (amdgpu_dm_irq_init(adev)) { 1627 DRM_ERROR("amdgpu: failed to initialize DM IRQ support.\n"); 1628 goto error; 1629 } 1630 1631 init_data.asic_id.chip_family = adev->family; 1632 1633 init_data.asic_id.pci_revision_id = adev->pdev->revision; 1634 init_data.asic_id.hw_internal_rev = adev->external_rev_id; 1635 init_data.asic_id.chip_id = adev->pdev->device; 1636 1637 init_data.asic_id.vram_width = adev->gmc.vram_width; 1638 /* TODO: initialize init_data.asic_id.vram_type here!!!! */ 1639 init_data.asic_id.atombios_base_address = 1640 adev->mode_info.atom_context->bios; 1641 1642 init_data.driver = adev; 1643 1644 adev->dm.cgs_device = amdgpu_cgs_create_device(adev); 1645 1646 if (!adev->dm.cgs_device) { 1647 DRM_ERROR("amdgpu: failed to create cgs device.\n"); 1648 goto error; 1649 } 1650 1651 init_data.cgs_device = adev->dm.cgs_device; 1652 1653 init_data.dce_environment = DCE_ENV_PRODUCTION_DRV; 1654 1655 switch (amdgpu_ip_version(adev, DCE_HWIP, 0)) { 1656 case IP_VERSION(2, 1, 0): 1657 switch (adev->dm.dmcub_fw_version) { 1658 case 0: /* development */ 1659 case 0x1: /* linux-firmware.git hash 6d9f399 */ 1660 case 0x01000000: /* linux-firmware.git hash 9a0b0f4 */ 1661 init_data.flags.disable_dmcu = false; 1662 break; 1663 default: 1664 init_data.flags.disable_dmcu = true; 1665 } 1666 break; 1667 case IP_VERSION(2, 0, 3): 1668 init_data.flags.disable_dmcu = true; 1669 break; 1670 default: 1671 break; 1672 } 1673 1674 /* APU support S/G display by default except: 1675 * ASICs before Carrizo, 1676 * RAVEN1 (Users reported stability issue) 1677 */ 1678 1679 if (adev->asic_type < CHIP_CARRIZO) { 1680 init_data.flags.gpu_vm_support = false; 1681 } else if (adev->asic_type == CHIP_RAVEN) { 1682 if (adev->apu_flags & AMD_APU_IS_RAVEN) 1683 init_data.flags.gpu_vm_support = false; 1684 else 1685 init_data.flags.gpu_vm_support = (amdgpu_sg_display != 0); 1686 } else { 1687 init_data.flags.gpu_vm_support = (amdgpu_sg_display != 0) && (adev->flags & AMD_IS_APU); 1688 } 1689 1690 adev->mode_info.gpu_vm_support = init_data.flags.gpu_vm_support; 1691 1692 if (amdgpu_dc_feature_mask & DC_FBC_MASK) 1693 init_data.flags.fbc_support = true; 1694 1695 if (amdgpu_dc_feature_mask & DC_MULTI_MON_PP_MCLK_SWITCH_MASK) 1696 init_data.flags.multi_mon_pp_mclk_switch = true; 1697 1698 if (amdgpu_dc_feature_mask & DC_DISABLE_FRACTIONAL_PWM_MASK) 1699 init_data.flags.disable_fractional_pwm = true; 1700 1701 if (amdgpu_dc_feature_mask & DC_EDP_NO_POWER_SEQUENCING) 1702 init_data.flags.edp_no_power_sequencing = true; 1703 1704 if (amdgpu_dc_feature_mask & DC_DISABLE_LTTPR_DP1_4A) 1705 init_data.flags.allow_lttpr_non_transparent_mode.bits.DP1_4A = true; 1706 if (amdgpu_dc_feature_mask & DC_DISABLE_LTTPR_DP2_0) 1707 init_data.flags.allow_lttpr_non_transparent_mode.bits.DP2_0 = true; 1708 1709 init_data.flags.seamless_boot_edp_requested = false; 1710 1711 if (amdgpu_device_seamless_boot_supported(adev)) { 1712 init_data.flags.seamless_boot_edp_requested = true; 1713 init_data.flags.allow_seamless_boot_optimization = true; 1714 DRM_INFO("Seamless boot condition check passed\n"); 1715 } 1716 1717 init_data.flags.enable_mipi_converter_optimization = true; 1718 1719 init_data.dcn_reg_offsets = adev->reg_offset[DCE_HWIP][0]; 1720 init_data.nbio_reg_offsets = adev->reg_offset[NBIO_HWIP][0]; 1721 init_data.clk_reg_offsets = adev->reg_offset[CLK_HWIP][0]; 1722 1723 if (amdgpu_dc_debug_mask & DC_DISABLE_IPS) 1724 init_data.flags.disable_ips = DMUB_IPS_DISABLE_ALL; 1725 1726 init_data.flags.disable_ips_in_vpb = 1; 1727 1728 /* Enable DWB for tested platforms only */ 1729 if (amdgpu_ip_version(adev, DCE_HWIP, 0) >= IP_VERSION(3, 0, 0)) 1730 init_data.num_virtual_links = 1; 1731 1732 INIT_LIST_HEAD(&adev->dm.da_list); 1733 1734 retrieve_dmi_info(&adev->dm); 1735 1736 /* Display Core create. */ 1737 adev->dm.dc = dc_create(&init_data); 1738 1739 if (adev->dm.dc) { 1740 DRM_INFO("Display Core v%s initialized on %s\n", DC_VER, 1741 dce_version_to_string(adev->dm.dc->ctx->dce_version)); 1742 } else { 1743 DRM_INFO("Display Core failed to initialize with v%s!\n", DC_VER); 1744 goto error; 1745 } 1746 1747 if (amdgpu_dc_debug_mask & DC_DISABLE_PIPE_SPLIT) { 1748 adev->dm.dc->debug.force_single_disp_pipe_split = false; 1749 adev->dm.dc->debug.pipe_split_policy = MPC_SPLIT_AVOID; 1750 } 1751 1752 if (adev->asic_type != CHIP_CARRIZO && adev->asic_type != CHIP_STONEY) 1753 adev->dm.dc->debug.disable_stutter = amdgpu_pp_feature_mask & PP_STUTTER_MODE ? false : true; 1754 if (dm_should_disable_stutter(adev->pdev)) 1755 adev->dm.dc->debug.disable_stutter = true; 1756 1757 if (amdgpu_dc_debug_mask & DC_DISABLE_STUTTER) 1758 adev->dm.dc->debug.disable_stutter = true; 1759 1760 if (amdgpu_dc_debug_mask & DC_DISABLE_DSC) 1761 adev->dm.dc->debug.disable_dsc = true; 1762 1763 if (amdgpu_dc_debug_mask & DC_DISABLE_CLOCK_GATING) 1764 adev->dm.dc->debug.disable_clock_gate = true; 1765 1766 if (amdgpu_dc_debug_mask & DC_FORCE_SUBVP_MCLK_SWITCH) 1767 adev->dm.dc->debug.force_subvp_mclk_switch = true; 1768 1769 adev->dm.dc->debug.visual_confirm = amdgpu_dc_visual_confirm; 1770 1771 /* TODO: Remove after DP2 receiver gets proper support of Cable ID feature */ 1772 adev->dm.dc->debug.ignore_cable_id = true; 1773 1774 if (adev->dm.dc->caps.dp_hdmi21_pcon_support) 1775 DRM_INFO("DP-HDMI FRL PCON supported\n"); 1776 1777 r = dm_dmub_hw_init(adev); 1778 if (r) { 1779 DRM_ERROR("DMUB interface failed to initialize: status=%d\n", r); 1780 goto error; 1781 } 1782 1783 dc_hardware_init(adev->dm.dc); 1784 1785 adev->dm.hpd_rx_offload_wq = hpd_rx_irq_create_workqueue(adev->dm.dc); 1786 if (!adev->dm.hpd_rx_offload_wq) { 1787 DRM_ERROR("amdgpu: failed to create hpd rx offload workqueue.\n"); 1788 goto error; 1789 } 1790 1791 if ((adev->flags & AMD_IS_APU) && (adev->asic_type >= CHIP_CARRIZO)) { 1792 struct dc_phy_addr_space_config pa_config; 1793 1794 mmhub_read_system_context(adev, &pa_config); 1795 1796 // Call the DC init_memory func 1797 dc_setup_system_context(adev->dm.dc, &pa_config); 1798 } 1799 1800 adev->dm.freesync_module = mod_freesync_create(adev->dm.dc); 1801 if (!adev->dm.freesync_module) { 1802 DRM_ERROR( 1803 "amdgpu: failed to initialize freesync_module.\n"); 1804 } else 1805 DRM_DEBUG_DRIVER("amdgpu: freesync_module init done %p.\n", 1806 adev->dm.freesync_module); 1807 1808 amdgpu_dm_init_color_mod(); 1809 1810 if (adev->dm.dc->caps.max_links > 0) { 1811 adev->dm.vblank_control_workqueue = 1812 create_singlethread_workqueue("dm_vblank_control_workqueue"); 1813 if (!adev->dm.vblank_control_workqueue) 1814 DRM_ERROR("amdgpu: failed to initialize vblank_workqueue.\n"); 1815 } 1816 1817 if (adev->dm.dc->caps.max_links > 0 && adev->family >= AMDGPU_FAMILY_RV) { 1818 adev->dm.hdcp_workqueue = hdcp_create_workqueue(adev, &init_params.cp_psp, adev->dm.dc); 1819 1820 if (!adev->dm.hdcp_workqueue) 1821 DRM_ERROR("amdgpu: failed to initialize hdcp_workqueue.\n"); 1822 else 1823 DRM_DEBUG_DRIVER("amdgpu: hdcp_workqueue init done %p.\n", adev->dm.hdcp_workqueue); 1824 1825 dc_init_callbacks(adev->dm.dc, &init_params); 1826 } 1827 if (dc_is_dmub_outbox_supported(adev->dm.dc)) { 1828 init_completion(&adev->dm.dmub_aux_transfer_done); 1829 adev->dm.dmub_notify = kzalloc(sizeof(struct dmub_notification), GFP_KERNEL); 1830 if (!adev->dm.dmub_notify) { 1831 DRM_INFO("amdgpu: fail to allocate adev->dm.dmub_notify"); 1832 goto error; 1833 } 1834 1835 adev->dm.delayed_hpd_wq = create_singlethread_workqueue("amdgpu_dm_hpd_wq"); 1836 if (!adev->dm.delayed_hpd_wq) { 1837 DRM_ERROR("amdgpu: failed to create hpd offload workqueue.\n"); 1838 goto error; 1839 } 1840 1841 amdgpu_dm_outbox_init(adev); 1842 if (!register_dmub_notify_callback(adev, DMUB_NOTIFICATION_AUX_REPLY, 1843 dmub_aux_setconfig_callback, false)) { 1844 DRM_ERROR("amdgpu: fail to register dmub aux callback"); 1845 goto error; 1846 } 1847 /* Enable outbox notification only after IRQ handlers are registered and DMUB is alive. 1848 * It is expected that DMUB will resend any pending notifications at this point. Note 1849 * that hpd and hpd_irq handler registration are deferred to register_hpd_handlers() to 1850 * align legacy interface initialization sequence. Connection status will be proactivly 1851 * detected once in the amdgpu_dm_initialize_drm_device. 1852 */ 1853 dc_enable_dmub_outbox(adev->dm.dc); 1854 1855 /* DPIA trace goes to dmesg logs only if outbox is enabled */ 1856 if (amdgpu_dc_debug_mask & DC_ENABLE_DPIA_TRACE) 1857 dc_dmub_srv_enable_dpia_trace(adev->dm.dc); 1858 } 1859 1860 if (amdgpu_dm_initialize_drm_device(adev)) { 1861 DRM_ERROR( 1862 "amdgpu: failed to initialize sw for display support.\n"); 1863 goto error; 1864 } 1865 1866 /* create fake encoders for MST */ 1867 dm_dp_create_fake_mst_encoders(adev); 1868 1869 /* TODO: Add_display_info? */ 1870 1871 /* TODO use dynamic cursor width */ 1872 adev_to_drm(adev)->mode_config.cursor_width = adev->dm.dc->caps.max_cursor_size; 1873 adev_to_drm(adev)->mode_config.cursor_height = adev->dm.dc->caps.max_cursor_size; 1874 1875 if (drm_vblank_init(adev_to_drm(adev), adev->dm.display_indexes_num)) { 1876 DRM_ERROR( 1877 "amdgpu: failed to initialize sw for display support.\n"); 1878 goto error; 1879 } 1880 1881 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY) 1882 adev->dm.secure_display_ctxs = amdgpu_dm_crtc_secure_display_create_contexts(adev); 1883 if (!adev->dm.secure_display_ctxs) 1884 DRM_ERROR("amdgpu: failed to initialize secure display contexts.\n"); 1885 #endif 1886 1887 DRM_DEBUG_DRIVER("KMS initialized.\n"); 1888 1889 return 0; 1890 error: 1891 amdgpu_dm_fini(adev); 1892 1893 return -EINVAL; 1894 } 1895 1896 static int amdgpu_dm_early_fini(void *handle) 1897 { 1898 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 1899 1900 amdgpu_dm_audio_fini(adev); 1901 1902 return 0; 1903 } 1904 1905 static void amdgpu_dm_fini(struct amdgpu_device *adev) 1906 { 1907 int i; 1908 1909 if (adev->dm.vblank_control_workqueue) { 1910 destroy_workqueue(adev->dm.vblank_control_workqueue); 1911 adev->dm.vblank_control_workqueue = NULL; 1912 } 1913 1914 amdgpu_dm_destroy_drm_device(&adev->dm); 1915 1916 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY) 1917 if (adev->dm.secure_display_ctxs) { 1918 for (i = 0; i < adev->mode_info.num_crtc; i++) { 1919 if (adev->dm.secure_display_ctxs[i].crtc) { 1920 flush_work(&adev->dm.secure_display_ctxs[i].notify_ta_work); 1921 flush_work(&adev->dm.secure_display_ctxs[i].forward_roi_work); 1922 } 1923 } 1924 kfree(adev->dm.secure_display_ctxs); 1925 adev->dm.secure_display_ctxs = NULL; 1926 } 1927 #endif 1928 if (adev->dm.hdcp_workqueue) { 1929 hdcp_destroy(&adev->dev->kobj, adev->dm.hdcp_workqueue); 1930 adev->dm.hdcp_workqueue = NULL; 1931 } 1932 1933 if (adev->dm.dc) { 1934 dc_deinit_callbacks(adev->dm.dc); 1935 dc_dmub_srv_destroy(&adev->dm.dc->ctx->dmub_srv); 1936 if (dc_enable_dmub_notifications(adev->dm.dc)) { 1937 kfree(adev->dm.dmub_notify); 1938 adev->dm.dmub_notify = NULL; 1939 destroy_workqueue(adev->dm.delayed_hpd_wq); 1940 adev->dm.delayed_hpd_wq = NULL; 1941 } 1942 } 1943 1944 if (adev->dm.dmub_bo) 1945 amdgpu_bo_free_kernel(&adev->dm.dmub_bo, 1946 &adev->dm.dmub_bo_gpu_addr, 1947 &adev->dm.dmub_bo_cpu_addr); 1948 1949 if (adev->dm.hpd_rx_offload_wq && adev->dm.dc) { 1950 for (i = 0; i < adev->dm.dc->caps.max_links; i++) { 1951 if (adev->dm.hpd_rx_offload_wq[i].wq) { 1952 destroy_workqueue(adev->dm.hpd_rx_offload_wq[i].wq); 1953 adev->dm.hpd_rx_offload_wq[i].wq = NULL; 1954 } 1955 } 1956 1957 kfree(adev->dm.hpd_rx_offload_wq); 1958 adev->dm.hpd_rx_offload_wq = NULL; 1959 } 1960 1961 /* DC Destroy TODO: Replace destroy DAL */ 1962 if (adev->dm.dc) 1963 dc_destroy(&adev->dm.dc); 1964 /* 1965 * TODO: pageflip, vlank interrupt 1966 * 1967 * amdgpu_dm_irq_fini(adev); 1968 */ 1969 1970 if (adev->dm.cgs_device) { 1971 amdgpu_cgs_destroy_device(adev->dm.cgs_device); 1972 adev->dm.cgs_device = NULL; 1973 } 1974 if (adev->dm.freesync_module) { 1975 mod_freesync_destroy(adev->dm.freesync_module); 1976 adev->dm.freesync_module = NULL; 1977 } 1978 1979 mutex_destroy(&adev->dm.audio_lock); 1980 mutex_destroy(&adev->dm.dc_lock); 1981 mutex_destroy(&adev->dm.dpia_aux_lock); 1982 } 1983 1984 static int load_dmcu_fw(struct amdgpu_device *adev) 1985 { 1986 const char *fw_name_dmcu = NULL; 1987 int r; 1988 const struct dmcu_firmware_header_v1_0 *hdr; 1989 1990 switch (adev->asic_type) { 1991 #if defined(CONFIG_DRM_AMD_DC_SI) 1992 case CHIP_TAHITI: 1993 case CHIP_PITCAIRN: 1994 case CHIP_VERDE: 1995 case CHIP_OLAND: 1996 #endif 1997 case CHIP_BONAIRE: 1998 case CHIP_HAWAII: 1999 case CHIP_KAVERI: 2000 case CHIP_KABINI: 2001 case CHIP_MULLINS: 2002 case CHIP_TONGA: 2003 case CHIP_FIJI: 2004 case CHIP_CARRIZO: 2005 case CHIP_STONEY: 2006 case CHIP_POLARIS11: 2007 case CHIP_POLARIS10: 2008 case CHIP_POLARIS12: 2009 case CHIP_VEGAM: 2010 case CHIP_VEGA10: 2011 case CHIP_VEGA12: 2012 case CHIP_VEGA20: 2013 return 0; 2014 case CHIP_NAVI12: 2015 fw_name_dmcu = FIRMWARE_NAVI12_DMCU; 2016 break; 2017 case CHIP_RAVEN: 2018 if (ASICREV_IS_PICASSO(adev->external_rev_id)) 2019 fw_name_dmcu = FIRMWARE_RAVEN_DMCU; 2020 else if (ASICREV_IS_RAVEN2(adev->external_rev_id)) 2021 fw_name_dmcu = FIRMWARE_RAVEN_DMCU; 2022 else 2023 return 0; 2024 break; 2025 default: 2026 switch (amdgpu_ip_version(adev, DCE_HWIP, 0)) { 2027 case IP_VERSION(2, 0, 2): 2028 case IP_VERSION(2, 0, 3): 2029 case IP_VERSION(2, 0, 0): 2030 case IP_VERSION(2, 1, 0): 2031 case IP_VERSION(3, 0, 0): 2032 case IP_VERSION(3, 0, 2): 2033 case IP_VERSION(3, 0, 3): 2034 case IP_VERSION(3, 0, 1): 2035 case IP_VERSION(3, 1, 2): 2036 case IP_VERSION(3, 1, 3): 2037 case IP_VERSION(3, 1, 4): 2038 case IP_VERSION(3, 1, 5): 2039 case IP_VERSION(3, 1, 6): 2040 case IP_VERSION(3, 2, 0): 2041 case IP_VERSION(3, 2, 1): 2042 case IP_VERSION(3, 5, 0): 2043 return 0; 2044 default: 2045 break; 2046 } 2047 DRM_ERROR("Unsupported ASIC type: 0x%X\n", adev->asic_type); 2048 return -EINVAL; 2049 } 2050 2051 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) { 2052 DRM_DEBUG_KMS("dm: DMCU firmware not supported on direct or SMU loading\n"); 2053 return 0; 2054 } 2055 2056 r = amdgpu_ucode_request(adev, &adev->dm.fw_dmcu, fw_name_dmcu); 2057 if (r == -ENODEV) { 2058 /* DMCU firmware is not necessary, so don't raise a fuss if it's missing */ 2059 DRM_DEBUG_KMS("dm: DMCU firmware not found\n"); 2060 adev->dm.fw_dmcu = NULL; 2061 return 0; 2062 } 2063 if (r) { 2064 dev_err(adev->dev, "amdgpu_dm: Can't validate firmware \"%s\"\n", 2065 fw_name_dmcu); 2066 amdgpu_ucode_release(&adev->dm.fw_dmcu); 2067 return r; 2068 } 2069 2070 hdr = (const struct dmcu_firmware_header_v1_0 *)adev->dm.fw_dmcu->data; 2071 adev->firmware.ucode[AMDGPU_UCODE_ID_DMCU_ERAM].ucode_id = AMDGPU_UCODE_ID_DMCU_ERAM; 2072 adev->firmware.ucode[AMDGPU_UCODE_ID_DMCU_ERAM].fw = adev->dm.fw_dmcu; 2073 adev->firmware.fw_size += 2074 ALIGN(le32_to_cpu(hdr->header.ucode_size_bytes) - le32_to_cpu(hdr->intv_size_bytes), PAGE_SIZE); 2075 2076 adev->firmware.ucode[AMDGPU_UCODE_ID_DMCU_INTV].ucode_id = AMDGPU_UCODE_ID_DMCU_INTV; 2077 adev->firmware.ucode[AMDGPU_UCODE_ID_DMCU_INTV].fw = adev->dm.fw_dmcu; 2078 adev->firmware.fw_size += 2079 ALIGN(le32_to_cpu(hdr->intv_size_bytes), PAGE_SIZE); 2080 2081 adev->dm.dmcu_fw_version = le32_to_cpu(hdr->header.ucode_version); 2082 2083 DRM_DEBUG_KMS("PSP loading DMCU firmware\n"); 2084 2085 return 0; 2086 } 2087 2088 static uint32_t amdgpu_dm_dmub_reg_read(void *ctx, uint32_t address) 2089 { 2090 struct amdgpu_device *adev = ctx; 2091 2092 return dm_read_reg(adev->dm.dc->ctx, address); 2093 } 2094 2095 static void amdgpu_dm_dmub_reg_write(void *ctx, uint32_t address, 2096 uint32_t value) 2097 { 2098 struct amdgpu_device *adev = ctx; 2099 2100 return dm_write_reg(adev->dm.dc->ctx, address, value); 2101 } 2102 2103 static int dm_dmub_sw_init(struct amdgpu_device *adev) 2104 { 2105 struct dmub_srv_create_params create_params; 2106 struct dmub_srv_region_params region_params; 2107 struct dmub_srv_region_info region_info; 2108 struct dmub_srv_memory_params memory_params; 2109 struct dmub_srv_fb_info *fb_info; 2110 struct dmub_srv *dmub_srv; 2111 const struct dmcub_firmware_header_v1_0 *hdr; 2112 enum dmub_asic dmub_asic; 2113 enum dmub_status status; 2114 static enum dmub_window_memory_type window_memory_type[DMUB_WINDOW_TOTAL] = { 2115 DMUB_WINDOW_MEMORY_TYPE_FB, //DMUB_WINDOW_0_INST_CONST 2116 DMUB_WINDOW_MEMORY_TYPE_FB, //DMUB_WINDOW_1_STACK 2117 DMUB_WINDOW_MEMORY_TYPE_FB, //DMUB_WINDOW_2_BSS_DATA 2118 DMUB_WINDOW_MEMORY_TYPE_FB, //DMUB_WINDOW_3_VBIOS 2119 DMUB_WINDOW_MEMORY_TYPE_FB, //DMUB_WINDOW_4_MAILBOX 2120 DMUB_WINDOW_MEMORY_TYPE_FB, //DMUB_WINDOW_5_TRACEBUFF 2121 DMUB_WINDOW_MEMORY_TYPE_FB, //DMUB_WINDOW_6_FW_STATE 2122 DMUB_WINDOW_MEMORY_TYPE_FB, //DMUB_WINDOW_7_SCRATCH_MEM 2123 DMUB_WINDOW_MEMORY_TYPE_FB, //DMUB_WINDOW_SHARED_STATE 2124 }; 2125 int r; 2126 2127 switch (amdgpu_ip_version(adev, DCE_HWIP, 0)) { 2128 case IP_VERSION(2, 1, 0): 2129 dmub_asic = DMUB_ASIC_DCN21; 2130 break; 2131 case IP_VERSION(3, 0, 0): 2132 dmub_asic = DMUB_ASIC_DCN30; 2133 break; 2134 case IP_VERSION(3, 0, 1): 2135 dmub_asic = DMUB_ASIC_DCN301; 2136 break; 2137 case IP_VERSION(3, 0, 2): 2138 dmub_asic = DMUB_ASIC_DCN302; 2139 break; 2140 case IP_VERSION(3, 0, 3): 2141 dmub_asic = DMUB_ASIC_DCN303; 2142 break; 2143 case IP_VERSION(3, 1, 2): 2144 case IP_VERSION(3, 1, 3): 2145 dmub_asic = (adev->external_rev_id == YELLOW_CARP_B0) ? DMUB_ASIC_DCN31B : DMUB_ASIC_DCN31; 2146 break; 2147 case IP_VERSION(3, 1, 4): 2148 dmub_asic = DMUB_ASIC_DCN314; 2149 break; 2150 case IP_VERSION(3, 1, 5): 2151 dmub_asic = DMUB_ASIC_DCN315; 2152 break; 2153 case IP_VERSION(3, 1, 6): 2154 dmub_asic = DMUB_ASIC_DCN316; 2155 break; 2156 case IP_VERSION(3, 2, 0): 2157 dmub_asic = DMUB_ASIC_DCN32; 2158 break; 2159 case IP_VERSION(3, 2, 1): 2160 dmub_asic = DMUB_ASIC_DCN321; 2161 break; 2162 case IP_VERSION(3, 5, 0): 2163 dmub_asic = DMUB_ASIC_DCN35; 2164 break; 2165 default: 2166 /* ASIC doesn't support DMUB. */ 2167 return 0; 2168 } 2169 2170 hdr = (const struct dmcub_firmware_header_v1_0 *)adev->dm.dmub_fw->data; 2171 adev->dm.dmcub_fw_version = le32_to_cpu(hdr->header.ucode_version); 2172 2173 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) { 2174 adev->firmware.ucode[AMDGPU_UCODE_ID_DMCUB].ucode_id = 2175 AMDGPU_UCODE_ID_DMCUB; 2176 adev->firmware.ucode[AMDGPU_UCODE_ID_DMCUB].fw = 2177 adev->dm.dmub_fw; 2178 adev->firmware.fw_size += 2179 ALIGN(le32_to_cpu(hdr->inst_const_bytes), PAGE_SIZE); 2180 2181 DRM_INFO("Loading DMUB firmware via PSP: version=0x%08X\n", 2182 adev->dm.dmcub_fw_version); 2183 } 2184 2185 2186 adev->dm.dmub_srv = kzalloc(sizeof(*adev->dm.dmub_srv), GFP_KERNEL); 2187 dmub_srv = adev->dm.dmub_srv; 2188 2189 if (!dmub_srv) { 2190 DRM_ERROR("Failed to allocate DMUB service!\n"); 2191 return -ENOMEM; 2192 } 2193 2194 memset(&create_params, 0, sizeof(create_params)); 2195 create_params.user_ctx = adev; 2196 create_params.funcs.reg_read = amdgpu_dm_dmub_reg_read; 2197 create_params.funcs.reg_write = amdgpu_dm_dmub_reg_write; 2198 create_params.asic = dmub_asic; 2199 2200 /* Create the DMUB service. */ 2201 status = dmub_srv_create(dmub_srv, &create_params); 2202 if (status != DMUB_STATUS_OK) { 2203 DRM_ERROR("Error creating DMUB service: %d\n", status); 2204 return -EINVAL; 2205 } 2206 2207 /* Calculate the size of all the regions for the DMUB service. */ 2208 memset(®ion_params, 0, sizeof(region_params)); 2209 2210 region_params.inst_const_size = le32_to_cpu(hdr->inst_const_bytes) - 2211 PSP_HEADER_BYTES - PSP_FOOTER_BYTES; 2212 region_params.bss_data_size = le32_to_cpu(hdr->bss_data_bytes); 2213 region_params.vbios_size = adev->bios_size; 2214 region_params.fw_bss_data = region_params.bss_data_size ? 2215 adev->dm.dmub_fw->data + 2216 le32_to_cpu(hdr->header.ucode_array_offset_bytes) + 2217 le32_to_cpu(hdr->inst_const_bytes) : NULL; 2218 region_params.fw_inst_const = 2219 adev->dm.dmub_fw->data + 2220 le32_to_cpu(hdr->header.ucode_array_offset_bytes) + 2221 PSP_HEADER_BYTES; 2222 region_params.window_memory_type = window_memory_type; 2223 2224 status = dmub_srv_calc_region_info(dmub_srv, ®ion_params, 2225 ®ion_info); 2226 2227 if (status != DMUB_STATUS_OK) { 2228 DRM_ERROR("Error calculating DMUB region info: %d\n", status); 2229 return -EINVAL; 2230 } 2231 2232 /* 2233 * Allocate a framebuffer based on the total size of all the regions. 2234 * TODO: Move this into GART. 2235 */ 2236 r = amdgpu_bo_create_kernel(adev, region_info.fb_size, PAGE_SIZE, 2237 AMDGPU_GEM_DOMAIN_VRAM | 2238 AMDGPU_GEM_DOMAIN_GTT, 2239 &adev->dm.dmub_bo, 2240 &adev->dm.dmub_bo_gpu_addr, 2241 &adev->dm.dmub_bo_cpu_addr); 2242 if (r) 2243 return r; 2244 2245 /* Rebase the regions on the framebuffer address. */ 2246 memset(&memory_params, 0, sizeof(memory_params)); 2247 memory_params.cpu_fb_addr = adev->dm.dmub_bo_cpu_addr; 2248 memory_params.gpu_fb_addr = adev->dm.dmub_bo_gpu_addr; 2249 memory_params.region_info = ®ion_info; 2250 memory_params.window_memory_type = window_memory_type; 2251 2252 adev->dm.dmub_fb_info = 2253 kzalloc(sizeof(*adev->dm.dmub_fb_info), GFP_KERNEL); 2254 fb_info = adev->dm.dmub_fb_info; 2255 2256 if (!fb_info) { 2257 DRM_ERROR( 2258 "Failed to allocate framebuffer info for DMUB service!\n"); 2259 return -ENOMEM; 2260 } 2261 2262 status = dmub_srv_calc_mem_info(dmub_srv, &memory_params, fb_info); 2263 if (status != DMUB_STATUS_OK) { 2264 DRM_ERROR("Error calculating DMUB FB info: %d\n", status); 2265 return -EINVAL; 2266 } 2267 2268 return 0; 2269 } 2270 2271 static int dm_sw_init(void *handle) 2272 { 2273 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2274 int r; 2275 2276 r = dm_dmub_sw_init(adev); 2277 if (r) 2278 return r; 2279 2280 return load_dmcu_fw(adev); 2281 } 2282 2283 static int dm_sw_fini(void *handle) 2284 { 2285 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2286 2287 kfree(adev->dm.dmub_fb_info); 2288 adev->dm.dmub_fb_info = NULL; 2289 2290 if (adev->dm.dmub_srv) { 2291 dmub_srv_destroy(adev->dm.dmub_srv); 2292 kfree(adev->dm.dmub_srv); 2293 adev->dm.dmub_srv = NULL; 2294 } 2295 2296 amdgpu_ucode_release(&adev->dm.dmub_fw); 2297 amdgpu_ucode_release(&adev->dm.fw_dmcu); 2298 2299 return 0; 2300 } 2301 2302 static int detect_mst_link_for_all_connectors(struct drm_device *dev) 2303 { 2304 struct amdgpu_dm_connector *aconnector; 2305 struct drm_connector *connector; 2306 struct drm_connector_list_iter iter; 2307 int ret = 0; 2308 2309 drm_connector_list_iter_begin(dev, &iter); 2310 drm_for_each_connector_iter(connector, &iter) { 2311 2312 if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK) 2313 continue; 2314 2315 aconnector = to_amdgpu_dm_connector(connector); 2316 if (aconnector->dc_link->type == dc_connection_mst_branch && 2317 aconnector->mst_mgr.aux) { 2318 DRM_DEBUG_DRIVER("DM_MST: starting TM on aconnector: %p [id: %d]\n", 2319 aconnector, 2320 aconnector->base.base.id); 2321 2322 ret = drm_dp_mst_topology_mgr_set_mst(&aconnector->mst_mgr, true); 2323 if (ret < 0) { 2324 DRM_ERROR("DM_MST: Failed to start MST\n"); 2325 aconnector->dc_link->type = 2326 dc_connection_single; 2327 ret = dm_helpers_dp_mst_stop_top_mgr(aconnector->dc_link->ctx, 2328 aconnector->dc_link); 2329 break; 2330 } 2331 } 2332 } 2333 drm_connector_list_iter_end(&iter); 2334 2335 return ret; 2336 } 2337 2338 static int dm_late_init(void *handle) 2339 { 2340 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2341 2342 struct dmcu_iram_parameters params; 2343 unsigned int linear_lut[16]; 2344 int i; 2345 struct dmcu *dmcu = NULL; 2346 2347 dmcu = adev->dm.dc->res_pool->dmcu; 2348 2349 for (i = 0; i < 16; i++) 2350 linear_lut[i] = 0xFFFF * i / 15; 2351 2352 params.set = 0; 2353 params.backlight_ramping_override = false; 2354 params.backlight_ramping_start = 0xCCCC; 2355 params.backlight_ramping_reduction = 0xCCCCCCCC; 2356 params.backlight_lut_array_size = 16; 2357 params.backlight_lut_array = linear_lut; 2358 2359 /* Min backlight level after ABM reduction, Don't allow below 1% 2360 * 0xFFFF x 0.01 = 0x28F 2361 */ 2362 params.min_abm_backlight = 0x28F; 2363 /* In the case where abm is implemented on dmcub, 2364 * dmcu object will be null. 2365 * ABM 2.4 and up are implemented on dmcub. 2366 */ 2367 if (dmcu) { 2368 if (!dmcu_load_iram(dmcu, params)) 2369 return -EINVAL; 2370 } else if (adev->dm.dc->ctx->dmub_srv) { 2371 struct dc_link *edp_links[MAX_NUM_EDP]; 2372 int edp_num; 2373 2374 dc_get_edp_links(adev->dm.dc, edp_links, &edp_num); 2375 for (i = 0; i < edp_num; i++) { 2376 if (!dmub_init_abm_config(adev->dm.dc->res_pool, params, i)) 2377 return -EINVAL; 2378 } 2379 } 2380 2381 return detect_mst_link_for_all_connectors(adev_to_drm(adev)); 2382 } 2383 2384 static void resume_mst_branch_status(struct drm_dp_mst_topology_mgr *mgr) 2385 { 2386 int ret; 2387 u8 guid[16]; 2388 u64 tmp64; 2389 2390 mutex_lock(&mgr->lock); 2391 if (!mgr->mst_primary) 2392 goto out_fail; 2393 2394 if (drm_dp_read_dpcd_caps(mgr->aux, mgr->dpcd) < 0) { 2395 drm_dbg_kms(mgr->dev, "dpcd read failed - undocked during suspend?\n"); 2396 goto out_fail; 2397 } 2398 2399 ret = drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL, 2400 DP_MST_EN | 2401 DP_UP_REQ_EN | 2402 DP_UPSTREAM_IS_SRC); 2403 if (ret < 0) { 2404 drm_dbg_kms(mgr->dev, "mst write failed - undocked during suspend?\n"); 2405 goto out_fail; 2406 } 2407 2408 /* Some hubs forget their guids after they resume */ 2409 ret = drm_dp_dpcd_read(mgr->aux, DP_GUID, guid, 16); 2410 if (ret != 16) { 2411 drm_dbg_kms(mgr->dev, "dpcd read failed - undocked during suspend?\n"); 2412 goto out_fail; 2413 } 2414 2415 if (memchr_inv(guid, 0, 16) == NULL) { 2416 tmp64 = get_jiffies_64(); 2417 memcpy(&guid[0], &tmp64, sizeof(u64)); 2418 memcpy(&guid[8], &tmp64, sizeof(u64)); 2419 2420 ret = drm_dp_dpcd_write(mgr->aux, DP_GUID, guid, 16); 2421 2422 if (ret != 16) { 2423 drm_dbg_kms(mgr->dev, "check mstb guid failed - undocked during suspend?\n"); 2424 goto out_fail; 2425 } 2426 } 2427 2428 memcpy(mgr->mst_primary->guid, guid, 16); 2429 2430 out_fail: 2431 mutex_unlock(&mgr->lock); 2432 } 2433 2434 static void s3_handle_mst(struct drm_device *dev, bool suspend) 2435 { 2436 struct amdgpu_dm_connector *aconnector; 2437 struct drm_connector *connector; 2438 struct drm_connector_list_iter iter; 2439 struct drm_dp_mst_topology_mgr *mgr; 2440 2441 drm_connector_list_iter_begin(dev, &iter); 2442 drm_for_each_connector_iter(connector, &iter) { 2443 2444 if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK) 2445 continue; 2446 2447 aconnector = to_amdgpu_dm_connector(connector); 2448 if (aconnector->dc_link->type != dc_connection_mst_branch || 2449 aconnector->mst_root) 2450 continue; 2451 2452 mgr = &aconnector->mst_mgr; 2453 2454 if (suspend) { 2455 drm_dp_mst_topology_mgr_suspend(mgr); 2456 } else { 2457 /* if extended timeout is supported in hardware, 2458 * default to LTTPR timeout (3.2ms) first as a W/A for DP link layer 2459 * CTS 4.2.1.1 regression introduced by CTS specs requirement update. 2460 */ 2461 try_to_configure_aux_timeout(aconnector->dc_link->ddc, LINK_AUX_DEFAULT_LTTPR_TIMEOUT_PERIOD); 2462 if (!dp_is_lttpr_present(aconnector->dc_link)) 2463 try_to_configure_aux_timeout(aconnector->dc_link->ddc, LINK_AUX_DEFAULT_TIMEOUT_PERIOD); 2464 2465 /* TODO: move resume_mst_branch_status() into drm mst resume again 2466 * once topology probing work is pulled out from mst resume into mst 2467 * resume 2nd step. mst resume 2nd step should be called after old 2468 * state getting restored (i.e. drm_atomic_helper_resume()). 2469 */ 2470 resume_mst_branch_status(mgr); 2471 } 2472 } 2473 drm_connector_list_iter_end(&iter); 2474 } 2475 2476 static int amdgpu_dm_smu_write_watermarks_table(struct amdgpu_device *adev) 2477 { 2478 int ret = 0; 2479 2480 /* This interface is for dGPU Navi1x.Linux dc-pplib interface depends 2481 * on window driver dc implementation. 2482 * For Navi1x, clock settings of dcn watermarks are fixed. the settings 2483 * should be passed to smu during boot up and resume from s3. 2484 * boot up: dc calculate dcn watermark clock settings within dc_create, 2485 * dcn20_resource_construct 2486 * then call pplib functions below to pass the settings to smu: 2487 * smu_set_watermarks_for_clock_ranges 2488 * smu_set_watermarks_table 2489 * navi10_set_watermarks_table 2490 * smu_write_watermarks_table 2491 * 2492 * For Renoir, clock settings of dcn watermark are also fixed values. 2493 * dc has implemented different flow for window driver: 2494 * dc_hardware_init / dc_set_power_state 2495 * dcn10_init_hw 2496 * notify_wm_ranges 2497 * set_wm_ranges 2498 * -- Linux 2499 * smu_set_watermarks_for_clock_ranges 2500 * renoir_set_watermarks_table 2501 * smu_write_watermarks_table 2502 * 2503 * For Linux, 2504 * dc_hardware_init -> amdgpu_dm_init 2505 * dc_set_power_state --> dm_resume 2506 * 2507 * therefore, this function apply to navi10/12/14 but not Renoir 2508 * * 2509 */ 2510 switch (amdgpu_ip_version(adev, DCE_HWIP, 0)) { 2511 case IP_VERSION(2, 0, 2): 2512 case IP_VERSION(2, 0, 0): 2513 break; 2514 default: 2515 return 0; 2516 } 2517 2518 ret = amdgpu_dpm_write_watermarks_table(adev); 2519 if (ret) { 2520 DRM_ERROR("Failed to update WMTABLE!\n"); 2521 return ret; 2522 } 2523 2524 return 0; 2525 } 2526 2527 /** 2528 * dm_hw_init() - Initialize DC device 2529 * @handle: The base driver device containing the amdgpu_dm device. 2530 * 2531 * Initialize the &struct amdgpu_display_manager device. This involves calling 2532 * the initializers of each DM component, then populating the struct with them. 2533 * 2534 * Although the function implies hardware initialization, both hardware and 2535 * software are initialized here. Splitting them out to their relevant init 2536 * hooks is a future TODO item. 2537 * 2538 * Some notable things that are initialized here: 2539 * 2540 * - Display Core, both software and hardware 2541 * - DC modules that we need (freesync and color management) 2542 * - DRM software states 2543 * - Interrupt sources and handlers 2544 * - Vblank support 2545 * - Debug FS entries, if enabled 2546 */ 2547 static int dm_hw_init(void *handle) 2548 { 2549 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2550 /* Create DAL display manager */ 2551 amdgpu_dm_init(adev); 2552 amdgpu_dm_hpd_init(adev); 2553 2554 return 0; 2555 } 2556 2557 /** 2558 * dm_hw_fini() - Teardown DC device 2559 * @handle: The base driver device containing the amdgpu_dm device. 2560 * 2561 * Teardown components within &struct amdgpu_display_manager that require 2562 * cleanup. This involves cleaning up the DRM device, DC, and any modules that 2563 * were loaded. Also flush IRQ workqueues and disable them. 2564 */ 2565 static int dm_hw_fini(void *handle) 2566 { 2567 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 2568 2569 amdgpu_dm_hpd_fini(adev); 2570 2571 amdgpu_dm_irq_fini(adev); 2572 amdgpu_dm_fini(adev); 2573 return 0; 2574 } 2575 2576 2577 static void dm_gpureset_toggle_interrupts(struct amdgpu_device *adev, 2578 struct dc_state *state, bool enable) 2579 { 2580 enum dc_irq_source irq_source; 2581 struct amdgpu_crtc *acrtc; 2582 int rc = -EBUSY; 2583 int i = 0; 2584 2585 for (i = 0; i < state->stream_count; i++) { 2586 acrtc = get_crtc_by_otg_inst( 2587 adev, state->stream_status[i].primary_otg_inst); 2588 2589 if (acrtc && state->stream_status[i].plane_count != 0) { 2590 irq_source = IRQ_TYPE_PFLIP + acrtc->otg_inst; 2591 rc = dc_interrupt_set(adev->dm.dc, irq_source, enable) ? 0 : -EBUSY; 2592 if (rc) 2593 DRM_WARN("Failed to %s pflip interrupts\n", 2594 enable ? "enable" : "disable"); 2595 2596 if (enable) { 2597 if (amdgpu_dm_crtc_vrr_active(to_dm_crtc_state(acrtc->base.state))) 2598 rc = amdgpu_dm_crtc_set_vupdate_irq(&acrtc->base, true); 2599 } else 2600 rc = amdgpu_dm_crtc_set_vupdate_irq(&acrtc->base, false); 2601 2602 if (rc) 2603 DRM_WARN("Failed to %sable vupdate interrupt\n", enable ? "en" : "dis"); 2604 2605 irq_source = IRQ_TYPE_VBLANK + acrtc->otg_inst; 2606 /* During gpu-reset we disable and then enable vblank irq, so 2607 * don't use amdgpu_irq_get/put() to avoid refcount change. 2608 */ 2609 if (!dc_interrupt_set(adev->dm.dc, irq_source, enable)) 2610 DRM_WARN("Failed to %sable vblank interrupt\n", enable ? "en" : "dis"); 2611 } 2612 } 2613 2614 } 2615 2616 static enum dc_status amdgpu_dm_commit_zero_streams(struct dc *dc) 2617 { 2618 struct dc_state *context = NULL; 2619 enum dc_status res = DC_ERROR_UNEXPECTED; 2620 int i; 2621 struct dc_stream_state *del_streams[MAX_PIPES]; 2622 int del_streams_count = 0; 2623 2624 memset(del_streams, 0, sizeof(del_streams)); 2625 2626 context = dc_state_create_current_copy(dc); 2627 if (context == NULL) 2628 goto context_alloc_fail; 2629 2630 /* First remove from context all streams */ 2631 for (i = 0; i < context->stream_count; i++) { 2632 struct dc_stream_state *stream = context->streams[i]; 2633 2634 del_streams[del_streams_count++] = stream; 2635 } 2636 2637 /* Remove all planes for removed streams and then remove the streams */ 2638 for (i = 0; i < del_streams_count; i++) { 2639 if (!dc_state_rem_all_planes_for_stream(dc, del_streams[i], context)) { 2640 res = DC_FAIL_DETACH_SURFACES; 2641 goto fail; 2642 } 2643 2644 res = dc_state_remove_stream(dc, context, del_streams[i]); 2645 if (res != DC_OK) 2646 goto fail; 2647 } 2648 2649 res = dc_commit_streams(dc, context->streams, context->stream_count); 2650 2651 fail: 2652 dc_state_release(context); 2653 2654 context_alloc_fail: 2655 return res; 2656 } 2657 2658 static void hpd_rx_irq_work_suspend(struct amdgpu_display_manager *dm) 2659 { 2660 int i; 2661 2662 if (dm->hpd_rx_offload_wq) { 2663 for (i = 0; i < dm->dc->caps.max_links; i++) 2664 flush_workqueue(dm->hpd_rx_offload_wq[i].wq); 2665 } 2666 } 2667 2668 static int dm_suspend(void *handle) 2669 { 2670 struct amdgpu_device *adev = handle; 2671 struct amdgpu_display_manager *dm = &adev->dm; 2672 int ret = 0; 2673 2674 if (amdgpu_in_reset(adev)) { 2675 mutex_lock(&dm->dc_lock); 2676 2677 dc_allow_idle_optimizations(adev->dm.dc, false); 2678 2679 dm->cached_dc_state = dc_state_create_copy(dm->dc->current_state); 2680 2681 dm_gpureset_toggle_interrupts(adev, dm->cached_dc_state, false); 2682 2683 amdgpu_dm_commit_zero_streams(dm->dc); 2684 2685 amdgpu_dm_irq_suspend(adev); 2686 2687 hpd_rx_irq_work_suspend(dm); 2688 2689 return ret; 2690 } 2691 2692 WARN_ON(adev->dm.cached_state); 2693 adev->dm.cached_state = drm_atomic_helper_suspend(adev_to_drm(adev)); 2694 if (IS_ERR(adev->dm.cached_state)) 2695 return PTR_ERR(adev->dm.cached_state); 2696 2697 s3_handle_mst(adev_to_drm(adev), true); 2698 2699 amdgpu_dm_irq_suspend(adev); 2700 2701 hpd_rx_irq_work_suspend(dm); 2702 2703 dc_set_power_state(dm->dc, DC_ACPI_CM_POWER_STATE_D3); 2704 dc_dmub_srv_set_power_state(dm->dc->ctx->dmub_srv, DC_ACPI_CM_POWER_STATE_D3); 2705 2706 return 0; 2707 } 2708 2709 struct drm_connector * 2710 amdgpu_dm_find_first_crtc_matching_connector(struct drm_atomic_state *state, 2711 struct drm_crtc *crtc) 2712 { 2713 u32 i; 2714 struct drm_connector_state *new_con_state; 2715 struct drm_connector *connector; 2716 struct drm_crtc *crtc_from_state; 2717 2718 for_each_new_connector_in_state(state, connector, new_con_state, i) { 2719 crtc_from_state = new_con_state->crtc; 2720 2721 if (crtc_from_state == crtc) 2722 return connector; 2723 } 2724 2725 return NULL; 2726 } 2727 2728 static void emulated_link_detect(struct dc_link *link) 2729 { 2730 struct dc_sink_init_data sink_init_data = { 0 }; 2731 struct display_sink_capability sink_caps = { 0 }; 2732 enum dc_edid_status edid_status; 2733 struct dc_context *dc_ctx = link->ctx; 2734 struct drm_device *dev = adev_to_drm(dc_ctx->driver_context); 2735 struct dc_sink *sink = NULL; 2736 struct dc_sink *prev_sink = NULL; 2737 2738 link->type = dc_connection_none; 2739 prev_sink = link->local_sink; 2740 2741 if (prev_sink) 2742 dc_sink_release(prev_sink); 2743 2744 switch (link->connector_signal) { 2745 case SIGNAL_TYPE_HDMI_TYPE_A: { 2746 sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C; 2747 sink_caps.signal = SIGNAL_TYPE_HDMI_TYPE_A; 2748 break; 2749 } 2750 2751 case SIGNAL_TYPE_DVI_SINGLE_LINK: { 2752 sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C; 2753 sink_caps.signal = SIGNAL_TYPE_DVI_SINGLE_LINK; 2754 break; 2755 } 2756 2757 case SIGNAL_TYPE_DVI_DUAL_LINK: { 2758 sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C; 2759 sink_caps.signal = SIGNAL_TYPE_DVI_DUAL_LINK; 2760 break; 2761 } 2762 2763 case SIGNAL_TYPE_LVDS: { 2764 sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C; 2765 sink_caps.signal = SIGNAL_TYPE_LVDS; 2766 break; 2767 } 2768 2769 case SIGNAL_TYPE_EDP: { 2770 sink_caps.transaction_type = 2771 DDC_TRANSACTION_TYPE_I2C_OVER_AUX; 2772 sink_caps.signal = SIGNAL_TYPE_EDP; 2773 break; 2774 } 2775 2776 case SIGNAL_TYPE_DISPLAY_PORT: { 2777 sink_caps.transaction_type = 2778 DDC_TRANSACTION_TYPE_I2C_OVER_AUX; 2779 sink_caps.signal = SIGNAL_TYPE_VIRTUAL; 2780 break; 2781 } 2782 2783 default: 2784 drm_err(dev, "Invalid connector type! signal:%d\n", 2785 link->connector_signal); 2786 return; 2787 } 2788 2789 sink_init_data.link = link; 2790 sink_init_data.sink_signal = sink_caps.signal; 2791 2792 sink = dc_sink_create(&sink_init_data); 2793 if (!sink) { 2794 drm_err(dev, "Failed to create sink!\n"); 2795 return; 2796 } 2797 2798 /* dc_sink_create returns a new reference */ 2799 link->local_sink = sink; 2800 2801 edid_status = dm_helpers_read_local_edid( 2802 link->ctx, 2803 link, 2804 sink); 2805 2806 if (edid_status != EDID_OK) 2807 drm_err(dev, "Failed to read EDID\n"); 2808 2809 } 2810 2811 static void dm_gpureset_commit_state(struct dc_state *dc_state, 2812 struct amdgpu_display_manager *dm) 2813 { 2814 struct { 2815 struct dc_surface_update surface_updates[MAX_SURFACES]; 2816 struct dc_plane_info plane_infos[MAX_SURFACES]; 2817 struct dc_scaling_info scaling_infos[MAX_SURFACES]; 2818 struct dc_flip_addrs flip_addrs[MAX_SURFACES]; 2819 struct dc_stream_update stream_update; 2820 } *bundle; 2821 int k, m; 2822 2823 bundle = kzalloc(sizeof(*bundle), GFP_KERNEL); 2824 2825 if (!bundle) { 2826 drm_err(dm->ddev, "Failed to allocate update bundle\n"); 2827 goto cleanup; 2828 } 2829 2830 for (k = 0; k < dc_state->stream_count; k++) { 2831 bundle->stream_update.stream = dc_state->streams[k]; 2832 2833 for (m = 0; m < dc_state->stream_status->plane_count; m++) { 2834 bundle->surface_updates[m].surface = 2835 dc_state->stream_status->plane_states[m]; 2836 bundle->surface_updates[m].surface->force_full_update = 2837 true; 2838 } 2839 2840 update_planes_and_stream_adapter(dm->dc, 2841 UPDATE_TYPE_FULL, 2842 dc_state->stream_status->plane_count, 2843 dc_state->streams[k], 2844 &bundle->stream_update, 2845 bundle->surface_updates); 2846 } 2847 2848 cleanup: 2849 kfree(bundle); 2850 } 2851 2852 static int dm_resume(void *handle) 2853 { 2854 struct amdgpu_device *adev = handle; 2855 struct drm_device *ddev = adev_to_drm(adev); 2856 struct amdgpu_display_manager *dm = &adev->dm; 2857 struct amdgpu_dm_connector *aconnector; 2858 struct drm_connector *connector; 2859 struct drm_connector_list_iter iter; 2860 struct drm_crtc *crtc; 2861 struct drm_crtc_state *new_crtc_state; 2862 struct dm_crtc_state *dm_new_crtc_state; 2863 struct drm_plane *plane; 2864 struct drm_plane_state *new_plane_state; 2865 struct dm_plane_state *dm_new_plane_state; 2866 struct dm_atomic_state *dm_state = to_dm_atomic_state(dm->atomic_obj.state); 2867 enum dc_connection_type new_connection_type = dc_connection_none; 2868 struct dc_state *dc_state; 2869 int i, r, j, ret; 2870 bool need_hotplug = false; 2871 2872 if (dm->dc->caps.ips_support) { 2873 dc_dmub_srv_apply_idle_power_optimizations(dm->dc, false); 2874 } 2875 2876 if (amdgpu_in_reset(adev)) { 2877 dc_state = dm->cached_dc_state; 2878 2879 /* 2880 * The dc->current_state is backed up into dm->cached_dc_state 2881 * before we commit 0 streams. 2882 * 2883 * DC will clear link encoder assignments on the real state 2884 * but the changes won't propagate over to the copy we made 2885 * before the 0 streams commit. 2886 * 2887 * DC expects that link encoder assignments are *not* valid 2888 * when committing a state, so as a workaround we can copy 2889 * off of the current state. 2890 * 2891 * We lose the previous assignments, but we had already 2892 * commit 0 streams anyway. 2893 */ 2894 link_enc_cfg_copy(adev->dm.dc->current_state, dc_state); 2895 2896 r = dm_dmub_hw_init(adev); 2897 if (r) 2898 DRM_ERROR("DMUB interface failed to initialize: status=%d\n", r); 2899 2900 dc_dmub_srv_set_power_state(dm->dc->ctx->dmub_srv, DC_ACPI_CM_POWER_STATE_D0); 2901 dc_set_power_state(dm->dc, DC_ACPI_CM_POWER_STATE_D0); 2902 2903 dc_resume(dm->dc); 2904 2905 amdgpu_dm_irq_resume_early(adev); 2906 2907 for (i = 0; i < dc_state->stream_count; i++) { 2908 dc_state->streams[i]->mode_changed = true; 2909 for (j = 0; j < dc_state->stream_status[i].plane_count; j++) { 2910 dc_state->stream_status[i].plane_states[j]->update_flags.raw 2911 = 0xffffffff; 2912 } 2913 } 2914 2915 if (dc_is_dmub_outbox_supported(adev->dm.dc)) { 2916 amdgpu_dm_outbox_init(adev); 2917 dc_enable_dmub_outbox(adev->dm.dc); 2918 } 2919 2920 WARN_ON(!dc_commit_streams(dm->dc, dc_state->streams, dc_state->stream_count)); 2921 2922 dm_gpureset_commit_state(dm->cached_dc_state, dm); 2923 2924 dm_gpureset_toggle_interrupts(adev, dm->cached_dc_state, true); 2925 2926 dc_state_release(dm->cached_dc_state); 2927 dm->cached_dc_state = NULL; 2928 2929 amdgpu_dm_irq_resume_late(adev); 2930 2931 mutex_unlock(&dm->dc_lock); 2932 2933 return 0; 2934 } 2935 /* Recreate dc_state - DC invalidates it when setting power state to S3. */ 2936 dc_state_release(dm_state->context); 2937 dm_state->context = dc_state_create(dm->dc); 2938 /* TODO: Remove dc_state->dccg, use dc->dccg directly. */ 2939 2940 /* Before powering on DC we need to re-initialize DMUB. */ 2941 dm_dmub_hw_resume(adev); 2942 2943 /* Re-enable outbox interrupts for DPIA. */ 2944 if (dc_is_dmub_outbox_supported(adev->dm.dc)) { 2945 amdgpu_dm_outbox_init(adev); 2946 dc_enable_dmub_outbox(adev->dm.dc); 2947 } 2948 2949 /* power on hardware */ 2950 dc_dmub_srv_set_power_state(dm->dc->ctx->dmub_srv, DC_ACPI_CM_POWER_STATE_D0); 2951 dc_set_power_state(dm->dc, DC_ACPI_CM_POWER_STATE_D0); 2952 2953 /* program HPD filter */ 2954 dc_resume(dm->dc); 2955 2956 /* 2957 * early enable HPD Rx IRQ, should be done before set mode as short 2958 * pulse interrupts are used for MST 2959 */ 2960 amdgpu_dm_irq_resume_early(adev); 2961 2962 /* On resume we need to rewrite the MSTM control bits to enable MST*/ 2963 s3_handle_mst(ddev, false); 2964 2965 /* Do detection*/ 2966 drm_connector_list_iter_begin(ddev, &iter); 2967 drm_for_each_connector_iter(connector, &iter) { 2968 2969 if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK) 2970 continue; 2971 2972 aconnector = to_amdgpu_dm_connector(connector); 2973 2974 if (!aconnector->dc_link) 2975 continue; 2976 2977 /* 2978 * this is the case when traversing through already created end sink 2979 * MST connectors, should be skipped 2980 */ 2981 if (aconnector && aconnector->mst_root) 2982 continue; 2983 2984 mutex_lock(&aconnector->hpd_lock); 2985 if (!dc_link_detect_connection_type(aconnector->dc_link, &new_connection_type)) 2986 DRM_ERROR("KMS: Failed to detect connector\n"); 2987 2988 if (aconnector->base.force && new_connection_type == dc_connection_none) { 2989 emulated_link_detect(aconnector->dc_link); 2990 } else { 2991 mutex_lock(&dm->dc_lock); 2992 dc_link_detect(aconnector->dc_link, DETECT_REASON_HPD); 2993 mutex_unlock(&dm->dc_lock); 2994 } 2995 2996 if (aconnector->fake_enable && aconnector->dc_link->local_sink) 2997 aconnector->fake_enable = false; 2998 2999 if (aconnector->dc_sink) 3000 dc_sink_release(aconnector->dc_sink); 3001 aconnector->dc_sink = NULL; 3002 amdgpu_dm_update_connector_after_detect(aconnector); 3003 mutex_unlock(&aconnector->hpd_lock); 3004 } 3005 drm_connector_list_iter_end(&iter); 3006 3007 /* Force mode set in atomic commit */ 3008 for_each_new_crtc_in_state(dm->cached_state, crtc, new_crtc_state, i) 3009 new_crtc_state->active_changed = true; 3010 3011 /* 3012 * atomic_check is expected to create the dc states. We need to release 3013 * them here, since they were duplicated as part of the suspend 3014 * procedure. 3015 */ 3016 for_each_new_crtc_in_state(dm->cached_state, crtc, new_crtc_state, i) { 3017 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); 3018 if (dm_new_crtc_state->stream) { 3019 WARN_ON(kref_read(&dm_new_crtc_state->stream->refcount) > 1); 3020 dc_stream_release(dm_new_crtc_state->stream); 3021 dm_new_crtc_state->stream = NULL; 3022 } 3023 } 3024 3025 for_each_new_plane_in_state(dm->cached_state, plane, new_plane_state, i) { 3026 dm_new_plane_state = to_dm_plane_state(new_plane_state); 3027 if (dm_new_plane_state->dc_state) { 3028 WARN_ON(kref_read(&dm_new_plane_state->dc_state->refcount) > 1); 3029 dc_plane_state_release(dm_new_plane_state->dc_state); 3030 dm_new_plane_state->dc_state = NULL; 3031 } 3032 } 3033 3034 drm_atomic_helper_resume(ddev, dm->cached_state); 3035 3036 dm->cached_state = NULL; 3037 3038 /* Do mst topology probing after resuming cached state*/ 3039 drm_connector_list_iter_begin(ddev, &iter); 3040 drm_for_each_connector_iter(connector, &iter) { 3041 aconnector = to_amdgpu_dm_connector(connector); 3042 if (aconnector->dc_link->type != dc_connection_mst_branch || 3043 aconnector->mst_root) 3044 continue; 3045 3046 ret = drm_dp_mst_topology_mgr_resume(&aconnector->mst_mgr, true); 3047 3048 if (ret < 0) { 3049 dm_helpers_dp_mst_stop_top_mgr(aconnector->dc_link->ctx, 3050 aconnector->dc_link); 3051 need_hotplug = true; 3052 } 3053 } 3054 drm_connector_list_iter_end(&iter); 3055 3056 if (need_hotplug) 3057 drm_kms_helper_hotplug_event(ddev); 3058 3059 amdgpu_dm_irq_resume_late(adev); 3060 3061 amdgpu_dm_smu_write_watermarks_table(adev); 3062 3063 return 0; 3064 } 3065 3066 /** 3067 * DOC: DM Lifecycle 3068 * 3069 * DM (and consequently DC) is registered in the amdgpu base driver as a IP 3070 * block. When CONFIG_DRM_AMD_DC is enabled, the DM device IP block is added to 3071 * the base driver's device list to be initialized and torn down accordingly. 3072 * 3073 * The functions to do so are provided as hooks in &struct amd_ip_funcs. 3074 */ 3075 3076 static const struct amd_ip_funcs amdgpu_dm_funcs = { 3077 .name = "dm", 3078 .early_init = dm_early_init, 3079 .late_init = dm_late_init, 3080 .sw_init = dm_sw_init, 3081 .sw_fini = dm_sw_fini, 3082 .early_fini = amdgpu_dm_early_fini, 3083 .hw_init = dm_hw_init, 3084 .hw_fini = dm_hw_fini, 3085 .suspend = dm_suspend, 3086 .resume = dm_resume, 3087 .is_idle = dm_is_idle, 3088 .wait_for_idle = dm_wait_for_idle, 3089 .check_soft_reset = dm_check_soft_reset, 3090 .soft_reset = dm_soft_reset, 3091 .set_clockgating_state = dm_set_clockgating_state, 3092 .set_powergating_state = dm_set_powergating_state, 3093 }; 3094 3095 const struct amdgpu_ip_block_version dm_ip_block = { 3096 .type = AMD_IP_BLOCK_TYPE_DCE, 3097 .major = 1, 3098 .minor = 0, 3099 .rev = 0, 3100 .funcs = &amdgpu_dm_funcs, 3101 }; 3102 3103 3104 /** 3105 * DOC: atomic 3106 * 3107 * *WIP* 3108 */ 3109 3110 static const struct drm_mode_config_funcs amdgpu_dm_mode_funcs = { 3111 .fb_create = amdgpu_display_user_framebuffer_create, 3112 .get_format_info = amdgpu_dm_plane_get_format_info, 3113 .atomic_check = amdgpu_dm_atomic_check, 3114 .atomic_commit = drm_atomic_helper_commit, 3115 }; 3116 3117 static struct drm_mode_config_helper_funcs amdgpu_dm_mode_config_helperfuncs = { 3118 .atomic_commit_tail = amdgpu_dm_atomic_commit_tail, 3119 .atomic_commit_setup = drm_dp_mst_atomic_setup_commit, 3120 }; 3121 3122 static void update_connector_ext_caps(struct amdgpu_dm_connector *aconnector) 3123 { 3124 struct amdgpu_dm_backlight_caps *caps; 3125 struct drm_connector *conn_base; 3126 struct amdgpu_device *adev; 3127 struct drm_luminance_range_info *luminance_range; 3128 3129 if (aconnector->bl_idx == -1 || 3130 aconnector->dc_link->connector_signal != SIGNAL_TYPE_EDP) 3131 return; 3132 3133 conn_base = &aconnector->base; 3134 adev = drm_to_adev(conn_base->dev); 3135 3136 caps = &adev->dm.backlight_caps[aconnector->bl_idx]; 3137 caps->ext_caps = &aconnector->dc_link->dpcd_sink_ext_caps; 3138 caps->aux_support = false; 3139 3140 if (caps->ext_caps->bits.oled == 1 3141 /* 3142 * || 3143 * caps->ext_caps->bits.sdr_aux_backlight_control == 1 || 3144 * caps->ext_caps->bits.hdr_aux_backlight_control == 1 3145 */) 3146 caps->aux_support = true; 3147 3148 if (amdgpu_backlight == 0) 3149 caps->aux_support = false; 3150 else if (amdgpu_backlight == 1) 3151 caps->aux_support = true; 3152 3153 luminance_range = &conn_base->display_info.luminance_range; 3154 3155 if (luminance_range->max_luminance) { 3156 caps->aux_min_input_signal = luminance_range->min_luminance; 3157 caps->aux_max_input_signal = luminance_range->max_luminance; 3158 } else { 3159 caps->aux_min_input_signal = 0; 3160 caps->aux_max_input_signal = 512; 3161 } 3162 } 3163 3164 void amdgpu_dm_update_connector_after_detect( 3165 struct amdgpu_dm_connector *aconnector) 3166 { 3167 struct drm_connector *connector = &aconnector->base; 3168 struct drm_device *dev = connector->dev; 3169 struct dc_sink *sink; 3170 3171 /* MST handled by drm_mst framework */ 3172 if (aconnector->mst_mgr.mst_state == true) 3173 return; 3174 3175 sink = aconnector->dc_link->local_sink; 3176 if (sink) 3177 dc_sink_retain(sink); 3178 3179 /* 3180 * Edid mgmt connector gets first update only in mode_valid hook and then 3181 * the connector sink is set to either fake or physical sink depends on link status. 3182 * Skip if already done during boot. 3183 */ 3184 if (aconnector->base.force != DRM_FORCE_UNSPECIFIED 3185 && aconnector->dc_em_sink) { 3186 3187 /* 3188 * For S3 resume with headless use eml_sink to fake stream 3189 * because on resume connector->sink is set to NULL 3190 */ 3191 mutex_lock(&dev->mode_config.mutex); 3192 3193 if (sink) { 3194 if (aconnector->dc_sink) { 3195 amdgpu_dm_update_freesync_caps(connector, NULL); 3196 /* 3197 * retain and release below are used to 3198 * bump up refcount for sink because the link doesn't point 3199 * to it anymore after disconnect, so on next crtc to connector 3200 * reshuffle by UMD we will get into unwanted dc_sink release 3201 */ 3202 dc_sink_release(aconnector->dc_sink); 3203 } 3204 aconnector->dc_sink = sink; 3205 dc_sink_retain(aconnector->dc_sink); 3206 amdgpu_dm_update_freesync_caps(connector, 3207 aconnector->edid); 3208 } else { 3209 amdgpu_dm_update_freesync_caps(connector, NULL); 3210 if (!aconnector->dc_sink) { 3211 aconnector->dc_sink = aconnector->dc_em_sink; 3212 dc_sink_retain(aconnector->dc_sink); 3213 } 3214 } 3215 3216 mutex_unlock(&dev->mode_config.mutex); 3217 3218 if (sink) 3219 dc_sink_release(sink); 3220 return; 3221 } 3222 3223 /* 3224 * TODO: temporary guard to look for proper fix 3225 * if this sink is MST sink, we should not do anything 3226 */ 3227 if (sink && sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT_MST) { 3228 dc_sink_release(sink); 3229 return; 3230 } 3231 3232 if (aconnector->dc_sink == sink) { 3233 /* 3234 * We got a DP short pulse (Link Loss, DP CTS, etc...). 3235 * Do nothing!! 3236 */ 3237 DRM_DEBUG_DRIVER("DCHPD: connector_id=%d: dc_sink didn't change.\n", 3238 aconnector->connector_id); 3239 if (sink) 3240 dc_sink_release(sink); 3241 return; 3242 } 3243 3244 DRM_DEBUG_DRIVER("DCHPD: connector_id=%d: Old sink=%p New sink=%p\n", 3245 aconnector->connector_id, aconnector->dc_sink, sink); 3246 3247 mutex_lock(&dev->mode_config.mutex); 3248 3249 /* 3250 * 1. Update status of the drm connector 3251 * 2. Send an event and let userspace tell us what to do 3252 */ 3253 if (sink) { 3254 /* 3255 * TODO: check if we still need the S3 mode update workaround. 3256 * If yes, put it here. 3257 */ 3258 if (aconnector->dc_sink) { 3259 amdgpu_dm_update_freesync_caps(connector, NULL); 3260 dc_sink_release(aconnector->dc_sink); 3261 } 3262 3263 aconnector->dc_sink = sink; 3264 dc_sink_retain(aconnector->dc_sink); 3265 if (sink->dc_edid.length == 0) { 3266 aconnector->edid = NULL; 3267 if (aconnector->dc_link->aux_mode) { 3268 drm_dp_cec_unset_edid( 3269 &aconnector->dm_dp_aux.aux); 3270 } 3271 } else { 3272 aconnector->edid = 3273 (struct edid *)sink->dc_edid.raw_edid; 3274 3275 if (aconnector->dc_link->aux_mode) 3276 drm_dp_cec_set_edid(&aconnector->dm_dp_aux.aux, 3277 aconnector->edid); 3278 } 3279 3280 if (!aconnector->timing_requested) { 3281 aconnector->timing_requested = 3282 kzalloc(sizeof(struct dc_crtc_timing), GFP_KERNEL); 3283 if (!aconnector->timing_requested) 3284 drm_err(dev, 3285 "failed to create aconnector->requested_timing\n"); 3286 } 3287 3288 drm_connector_update_edid_property(connector, aconnector->edid); 3289 amdgpu_dm_update_freesync_caps(connector, aconnector->edid); 3290 update_connector_ext_caps(aconnector); 3291 } else { 3292 drm_dp_cec_unset_edid(&aconnector->dm_dp_aux.aux); 3293 amdgpu_dm_update_freesync_caps(connector, NULL); 3294 drm_connector_update_edid_property(connector, NULL); 3295 aconnector->num_modes = 0; 3296 dc_sink_release(aconnector->dc_sink); 3297 aconnector->dc_sink = NULL; 3298 aconnector->edid = NULL; 3299 kfree(aconnector->timing_requested); 3300 aconnector->timing_requested = NULL; 3301 /* Set CP to DESIRED if it was ENABLED, so we can re-enable it again on hotplug */ 3302 if (connector->state->content_protection == DRM_MODE_CONTENT_PROTECTION_ENABLED) 3303 connector->state->content_protection = DRM_MODE_CONTENT_PROTECTION_DESIRED; 3304 } 3305 3306 mutex_unlock(&dev->mode_config.mutex); 3307 3308 update_subconnector_property(aconnector); 3309 3310 if (sink) 3311 dc_sink_release(sink); 3312 } 3313 3314 static void handle_hpd_irq_helper(struct amdgpu_dm_connector *aconnector) 3315 { 3316 struct drm_connector *connector = &aconnector->base; 3317 struct drm_device *dev = connector->dev; 3318 enum dc_connection_type new_connection_type = dc_connection_none; 3319 struct amdgpu_device *adev = drm_to_adev(dev); 3320 struct dm_connector_state *dm_con_state = to_dm_connector_state(connector->state); 3321 bool ret = false; 3322 3323 if (adev->dm.disable_hpd_irq) 3324 return; 3325 3326 /* 3327 * In case of failure or MST no need to update connector status or notify the OS 3328 * since (for MST case) MST does this in its own context. 3329 */ 3330 mutex_lock(&aconnector->hpd_lock); 3331 3332 if (adev->dm.hdcp_workqueue) { 3333 hdcp_reset_display(adev->dm.hdcp_workqueue, aconnector->dc_link->link_index); 3334 dm_con_state->update_hdcp = true; 3335 } 3336 if (aconnector->fake_enable) 3337 aconnector->fake_enable = false; 3338 3339 aconnector->timing_changed = false; 3340 3341 if (!dc_link_detect_connection_type(aconnector->dc_link, &new_connection_type)) 3342 DRM_ERROR("KMS: Failed to detect connector\n"); 3343 3344 if (aconnector->base.force && new_connection_type == dc_connection_none) { 3345 emulated_link_detect(aconnector->dc_link); 3346 3347 drm_modeset_lock_all(dev); 3348 dm_restore_drm_connector_state(dev, connector); 3349 drm_modeset_unlock_all(dev); 3350 3351 if (aconnector->base.force == DRM_FORCE_UNSPECIFIED) 3352 drm_kms_helper_connector_hotplug_event(connector); 3353 } else { 3354 mutex_lock(&adev->dm.dc_lock); 3355 ret = dc_link_detect(aconnector->dc_link, DETECT_REASON_HPD); 3356 mutex_unlock(&adev->dm.dc_lock); 3357 if (ret) { 3358 amdgpu_dm_update_connector_after_detect(aconnector); 3359 3360 drm_modeset_lock_all(dev); 3361 dm_restore_drm_connector_state(dev, connector); 3362 drm_modeset_unlock_all(dev); 3363 3364 if (aconnector->base.force == DRM_FORCE_UNSPECIFIED) 3365 drm_kms_helper_connector_hotplug_event(connector); 3366 } 3367 } 3368 mutex_unlock(&aconnector->hpd_lock); 3369 3370 } 3371 3372 static void handle_hpd_irq(void *param) 3373 { 3374 struct amdgpu_dm_connector *aconnector = (struct amdgpu_dm_connector *)param; 3375 3376 handle_hpd_irq_helper(aconnector); 3377 3378 } 3379 3380 static void schedule_hpd_rx_offload_work(struct hpd_rx_irq_offload_work_queue *offload_wq, 3381 union hpd_irq_data hpd_irq_data) 3382 { 3383 struct hpd_rx_irq_offload_work *offload_work = 3384 kzalloc(sizeof(*offload_work), GFP_KERNEL); 3385 3386 if (!offload_work) { 3387 DRM_ERROR("Failed to allocate hpd_rx_irq_offload_work.\n"); 3388 return; 3389 } 3390 3391 INIT_WORK(&offload_work->work, dm_handle_hpd_rx_offload_work); 3392 offload_work->data = hpd_irq_data; 3393 offload_work->offload_wq = offload_wq; 3394 3395 queue_work(offload_wq->wq, &offload_work->work); 3396 DRM_DEBUG_KMS("queue work to handle hpd_rx offload work"); 3397 } 3398 3399 static void handle_hpd_rx_irq(void *param) 3400 { 3401 struct amdgpu_dm_connector *aconnector = (struct amdgpu_dm_connector *)param; 3402 struct drm_connector *connector = &aconnector->base; 3403 struct drm_device *dev = connector->dev; 3404 struct dc_link *dc_link = aconnector->dc_link; 3405 bool is_mst_root_connector = aconnector->mst_mgr.mst_state; 3406 bool result = false; 3407 enum dc_connection_type new_connection_type = dc_connection_none; 3408 struct amdgpu_device *adev = drm_to_adev(dev); 3409 union hpd_irq_data hpd_irq_data; 3410 bool link_loss = false; 3411 bool has_left_work = false; 3412 int idx = dc_link->link_index; 3413 struct hpd_rx_irq_offload_work_queue *offload_wq = &adev->dm.hpd_rx_offload_wq[idx]; 3414 3415 memset(&hpd_irq_data, 0, sizeof(hpd_irq_data)); 3416 3417 if (adev->dm.disable_hpd_irq) 3418 return; 3419 3420 /* 3421 * TODO:Temporary add mutex to protect hpd interrupt not have a gpio 3422 * conflict, after implement i2c helper, this mutex should be 3423 * retired. 3424 */ 3425 mutex_lock(&aconnector->hpd_lock); 3426 3427 result = dc_link_handle_hpd_rx_irq(dc_link, &hpd_irq_data, 3428 &link_loss, true, &has_left_work); 3429 3430 if (!has_left_work) 3431 goto out; 3432 3433 if (hpd_irq_data.bytes.device_service_irq.bits.AUTOMATED_TEST) { 3434 schedule_hpd_rx_offload_work(offload_wq, hpd_irq_data); 3435 goto out; 3436 } 3437 3438 if (dc_link_dp_allow_hpd_rx_irq(dc_link)) { 3439 if (hpd_irq_data.bytes.device_service_irq.bits.UP_REQ_MSG_RDY || 3440 hpd_irq_data.bytes.device_service_irq.bits.DOWN_REP_MSG_RDY) { 3441 bool skip = false; 3442 3443 /* 3444 * DOWN_REP_MSG_RDY is also handled by polling method 3445 * mgr->cbs->poll_hpd_irq() 3446 */ 3447 spin_lock(&offload_wq->offload_lock); 3448 skip = offload_wq->is_handling_mst_msg_rdy_event; 3449 3450 if (!skip) 3451 offload_wq->is_handling_mst_msg_rdy_event = true; 3452 3453 spin_unlock(&offload_wq->offload_lock); 3454 3455 if (!skip) 3456 schedule_hpd_rx_offload_work(offload_wq, hpd_irq_data); 3457 3458 goto out; 3459 } 3460 3461 if (link_loss) { 3462 bool skip = false; 3463 3464 spin_lock(&offload_wq->offload_lock); 3465 skip = offload_wq->is_handling_link_loss; 3466 3467 if (!skip) 3468 offload_wq->is_handling_link_loss = true; 3469 3470 spin_unlock(&offload_wq->offload_lock); 3471 3472 if (!skip) 3473 schedule_hpd_rx_offload_work(offload_wq, hpd_irq_data); 3474 3475 goto out; 3476 } 3477 } 3478 3479 out: 3480 if (result && !is_mst_root_connector) { 3481 /* Downstream Port status changed. */ 3482 if (!dc_link_detect_connection_type(dc_link, &new_connection_type)) 3483 DRM_ERROR("KMS: Failed to detect connector\n"); 3484 3485 if (aconnector->base.force && new_connection_type == dc_connection_none) { 3486 emulated_link_detect(dc_link); 3487 3488 if (aconnector->fake_enable) 3489 aconnector->fake_enable = false; 3490 3491 amdgpu_dm_update_connector_after_detect(aconnector); 3492 3493 3494 drm_modeset_lock_all(dev); 3495 dm_restore_drm_connector_state(dev, connector); 3496 drm_modeset_unlock_all(dev); 3497 3498 drm_kms_helper_connector_hotplug_event(connector); 3499 } else { 3500 bool ret = false; 3501 3502 mutex_lock(&adev->dm.dc_lock); 3503 ret = dc_link_detect(dc_link, DETECT_REASON_HPDRX); 3504 mutex_unlock(&adev->dm.dc_lock); 3505 3506 if (ret) { 3507 if (aconnector->fake_enable) 3508 aconnector->fake_enable = false; 3509 3510 amdgpu_dm_update_connector_after_detect(aconnector); 3511 3512 drm_modeset_lock_all(dev); 3513 dm_restore_drm_connector_state(dev, connector); 3514 drm_modeset_unlock_all(dev); 3515 3516 drm_kms_helper_connector_hotplug_event(connector); 3517 } 3518 } 3519 } 3520 if (hpd_irq_data.bytes.device_service_irq.bits.CP_IRQ) { 3521 if (adev->dm.hdcp_workqueue) 3522 hdcp_handle_cpirq(adev->dm.hdcp_workqueue, aconnector->base.index); 3523 } 3524 3525 if (dc_link->type != dc_connection_mst_branch) 3526 drm_dp_cec_irq(&aconnector->dm_dp_aux.aux); 3527 3528 mutex_unlock(&aconnector->hpd_lock); 3529 } 3530 3531 static void register_hpd_handlers(struct amdgpu_device *adev) 3532 { 3533 struct drm_device *dev = adev_to_drm(adev); 3534 struct drm_connector *connector; 3535 struct amdgpu_dm_connector *aconnector; 3536 const struct dc_link *dc_link; 3537 struct dc_interrupt_params int_params = {0}; 3538 3539 int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT; 3540 int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT; 3541 3542 if (dc_is_dmub_outbox_supported(adev->dm.dc)) { 3543 if (!register_dmub_notify_callback(adev, DMUB_NOTIFICATION_HPD, dmub_hpd_callback, true)) 3544 DRM_ERROR("amdgpu: fail to register dmub hpd callback"); 3545 3546 if (!register_dmub_notify_callback(adev, DMUB_NOTIFICATION_HPD_IRQ, dmub_hpd_callback, true)) 3547 DRM_ERROR("amdgpu: fail to register dmub hpd callback"); 3548 } 3549 3550 list_for_each_entry(connector, 3551 &dev->mode_config.connector_list, head) { 3552 3553 if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK) 3554 continue; 3555 3556 aconnector = to_amdgpu_dm_connector(connector); 3557 dc_link = aconnector->dc_link; 3558 3559 if (dc_link->irq_source_hpd != DC_IRQ_SOURCE_INVALID) { 3560 int_params.int_context = INTERRUPT_LOW_IRQ_CONTEXT; 3561 int_params.irq_source = dc_link->irq_source_hpd; 3562 3563 amdgpu_dm_irq_register_interrupt(adev, &int_params, 3564 handle_hpd_irq, 3565 (void *) aconnector); 3566 } 3567 3568 if (dc_link->irq_source_hpd_rx != DC_IRQ_SOURCE_INVALID) { 3569 3570 /* Also register for DP short pulse (hpd_rx). */ 3571 int_params.int_context = INTERRUPT_LOW_IRQ_CONTEXT; 3572 int_params.irq_source = dc_link->irq_source_hpd_rx; 3573 3574 amdgpu_dm_irq_register_interrupt(adev, &int_params, 3575 handle_hpd_rx_irq, 3576 (void *) aconnector); 3577 } 3578 } 3579 } 3580 3581 #if defined(CONFIG_DRM_AMD_DC_SI) 3582 /* Register IRQ sources and initialize IRQ callbacks */ 3583 static int dce60_register_irq_handlers(struct amdgpu_device *adev) 3584 { 3585 struct dc *dc = adev->dm.dc; 3586 struct common_irq_params *c_irq_params; 3587 struct dc_interrupt_params int_params = {0}; 3588 int r; 3589 int i; 3590 unsigned int client_id = AMDGPU_IRQ_CLIENTID_LEGACY; 3591 3592 int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT; 3593 int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT; 3594 3595 /* 3596 * Actions of amdgpu_irq_add_id(): 3597 * 1. Register a set() function with base driver. 3598 * Base driver will call set() function to enable/disable an 3599 * interrupt in DC hardware. 3600 * 2. Register amdgpu_dm_irq_handler(). 3601 * Base driver will call amdgpu_dm_irq_handler() for ALL interrupts 3602 * coming from DC hardware. 3603 * amdgpu_dm_irq_handler() will re-direct the interrupt to DC 3604 * for acknowledging and handling. 3605 */ 3606 3607 /* Use VBLANK interrupt */ 3608 for (i = 0; i < adev->mode_info.num_crtc; i++) { 3609 r = amdgpu_irq_add_id(adev, client_id, i + 1, &adev->crtc_irq); 3610 if (r) { 3611 DRM_ERROR("Failed to add crtc irq id!\n"); 3612 return r; 3613 } 3614 3615 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT; 3616 int_params.irq_source = 3617 dc_interrupt_to_irq_source(dc, i + 1, 0); 3618 3619 c_irq_params = &adev->dm.vblank_params[int_params.irq_source - DC_IRQ_SOURCE_VBLANK1]; 3620 3621 c_irq_params->adev = adev; 3622 c_irq_params->irq_src = int_params.irq_source; 3623 3624 amdgpu_dm_irq_register_interrupt(adev, &int_params, 3625 dm_crtc_high_irq, c_irq_params); 3626 } 3627 3628 /* Use GRPH_PFLIP interrupt */ 3629 for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; 3630 i <= VISLANDS30_IV_SRCID_D6_GRPH_PFLIP; i += 2) { 3631 r = amdgpu_irq_add_id(adev, client_id, i, &adev->pageflip_irq); 3632 if (r) { 3633 DRM_ERROR("Failed to add page flip irq id!\n"); 3634 return r; 3635 } 3636 3637 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT; 3638 int_params.irq_source = 3639 dc_interrupt_to_irq_source(dc, i, 0); 3640 3641 c_irq_params = &adev->dm.pflip_params[int_params.irq_source - DC_IRQ_SOURCE_PFLIP_FIRST]; 3642 3643 c_irq_params->adev = adev; 3644 c_irq_params->irq_src = int_params.irq_source; 3645 3646 amdgpu_dm_irq_register_interrupt(adev, &int_params, 3647 dm_pflip_high_irq, c_irq_params); 3648 3649 } 3650 3651 /* HPD */ 3652 r = amdgpu_irq_add_id(adev, client_id, 3653 VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq); 3654 if (r) { 3655 DRM_ERROR("Failed to add hpd irq id!\n"); 3656 return r; 3657 } 3658 3659 register_hpd_handlers(adev); 3660 3661 return 0; 3662 } 3663 #endif 3664 3665 /* Register IRQ sources and initialize IRQ callbacks */ 3666 static int dce110_register_irq_handlers(struct amdgpu_device *adev) 3667 { 3668 struct dc *dc = adev->dm.dc; 3669 struct common_irq_params *c_irq_params; 3670 struct dc_interrupt_params int_params = {0}; 3671 int r; 3672 int i; 3673 unsigned int client_id = AMDGPU_IRQ_CLIENTID_LEGACY; 3674 3675 if (adev->family >= AMDGPU_FAMILY_AI) 3676 client_id = SOC15_IH_CLIENTID_DCE; 3677 3678 int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT; 3679 int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT; 3680 3681 /* 3682 * Actions of amdgpu_irq_add_id(): 3683 * 1. Register a set() function with base driver. 3684 * Base driver will call set() function to enable/disable an 3685 * interrupt in DC hardware. 3686 * 2. Register amdgpu_dm_irq_handler(). 3687 * Base driver will call amdgpu_dm_irq_handler() for ALL interrupts 3688 * coming from DC hardware. 3689 * amdgpu_dm_irq_handler() will re-direct the interrupt to DC 3690 * for acknowledging and handling. 3691 */ 3692 3693 /* Use VBLANK interrupt */ 3694 for (i = VISLANDS30_IV_SRCID_D1_VERTICAL_INTERRUPT0; i <= VISLANDS30_IV_SRCID_D6_VERTICAL_INTERRUPT0; i++) { 3695 r = amdgpu_irq_add_id(adev, client_id, i, &adev->crtc_irq); 3696 if (r) { 3697 DRM_ERROR("Failed to add crtc irq id!\n"); 3698 return r; 3699 } 3700 3701 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT; 3702 int_params.irq_source = 3703 dc_interrupt_to_irq_source(dc, i, 0); 3704 3705 c_irq_params = &adev->dm.vblank_params[int_params.irq_source - DC_IRQ_SOURCE_VBLANK1]; 3706 3707 c_irq_params->adev = adev; 3708 c_irq_params->irq_src = int_params.irq_source; 3709 3710 amdgpu_dm_irq_register_interrupt(adev, &int_params, 3711 dm_crtc_high_irq, c_irq_params); 3712 } 3713 3714 /* Use VUPDATE interrupt */ 3715 for (i = VISLANDS30_IV_SRCID_D1_V_UPDATE_INT; i <= VISLANDS30_IV_SRCID_D6_V_UPDATE_INT; i += 2) { 3716 r = amdgpu_irq_add_id(adev, client_id, i, &adev->vupdate_irq); 3717 if (r) { 3718 DRM_ERROR("Failed to add vupdate irq id!\n"); 3719 return r; 3720 } 3721 3722 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT; 3723 int_params.irq_source = 3724 dc_interrupt_to_irq_source(dc, i, 0); 3725 3726 c_irq_params = &adev->dm.vupdate_params[int_params.irq_source - DC_IRQ_SOURCE_VUPDATE1]; 3727 3728 c_irq_params->adev = adev; 3729 c_irq_params->irq_src = int_params.irq_source; 3730 3731 amdgpu_dm_irq_register_interrupt(adev, &int_params, 3732 dm_vupdate_high_irq, c_irq_params); 3733 } 3734 3735 /* Use GRPH_PFLIP interrupt */ 3736 for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; 3737 i <= VISLANDS30_IV_SRCID_D6_GRPH_PFLIP; i += 2) { 3738 r = amdgpu_irq_add_id(adev, client_id, i, &adev->pageflip_irq); 3739 if (r) { 3740 DRM_ERROR("Failed to add page flip irq id!\n"); 3741 return r; 3742 } 3743 3744 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT; 3745 int_params.irq_source = 3746 dc_interrupt_to_irq_source(dc, i, 0); 3747 3748 c_irq_params = &adev->dm.pflip_params[int_params.irq_source - DC_IRQ_SOURCE_PFLIP_FIRST]; 3749 3750 c_irq_params->adev = adev; 3751 c_irq_params->irq_src = int_params.irq_source; 3752 3753 amdgpu_dm_irq_register_interrupt(adev, &int_params, 3754 dm_pflip_high_irq, c_irq_params); 3755 3756 } 3757 3758 /* HPD */ 3759 r = amdgpu_irq_add_id(adev, client_id, 3760 VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq); 3761 if (r) { 3762 DRM_ERROR("Failed to add hpd irq id!\n"); 3763 return r; 3764 } 3765 3766 register_hpd_handlers(adev); 3767 3768 return 0; 3769 } 3770 3771 /* Register IRQ sources and initialize IRQ callbacks */ 3772 static int dcn10_register_irq_handlers(struct amdgpu_device *adev) 3773 { 3774 struct dc *dc = adev->dm.dc; 3775 struct common_irq_params *c_irq_params; 3776 struct dc_interrupt_params int_params = {0}; 3777 int r; 3778 int i; 3779 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY) 3780 static const unsigned int vrtl_int_srcid[] = { 3781 DCN_1_0__SRCID__OTG1_VERTICAL_INTERRUPT0_CONTROL, 3782 DCN_1_0__SRCID__OTG2_VERTICAL_INTERRUPT0_CONTROL, 3783 DCN_1_0__SRCID__OTG3_VERTICAL_INTERRUPT0_CONTROL, 3784 DCN_1_0__SRCID__OTG4_VERTICAL_INTERRUPT0_CONTROL, 3785 DCN_1_0__SRCID__OTG5_VERTICAL_INTERRUPT0_CONTROL, 3786 DCN_1_0__SRCID__OTG6_VERTICAL_INTERRUPT0_CONTROL 3787 }; 3788 #endif 3789 3790 int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT; 3791 int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT; 3792 3793 /* 3794 * Actions of amdgpu_irq_add_id(): 3795 * 1. Register a set() function with base driver. 3796 * Base driver will call set() function to enable/disable an 3797 * interrupt in DC hardware. 3798 * 2. Register amdgpu_dm_irq_handler(). 3799 * Base driver will call amdgpu_dm_irq_handler() for ALL interrupts 3800 * coming from DC hardware. 3801 * amdgpu_dm_irq_handler() will re-direct the interrupt to DC 3802 * for acknowledging and handling. 3803 */ 3804 3805 /* Use VSTARTUP interrupt */ 3806 for (i = DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP; 3807 i <= DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP + adev->mode_info.num_crtc - 1; 3808 i++) { 3809 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, i, &adev->crtc_irq); 3810 3811 if (r) { 3812 DRM_ERROR("Failed to add crtc irq id!\n"); 3813 return r; 3814 } 3815 3816 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT; 3817 int_params.irq_source = 3818 dc_interrupt_to_irq_source(dc, i, 0); 3819 3820 c_irq_params = &adev->dm.vblank_params[int_params.irq_source - DC_IRQ_SOURCE_VBLANK1]; 3821 3822 c_irq_params->adev = adev; 3823 c_irq_params->irq_src = int_params.irq_source; 3824 3825 amdgpu_dm_irq_register_interrupt( 3826 adev, &int_params, dm_crtc_high_irq, c_irq_params); 3827 } 3828 3829 /* Use otg vertical line interrupt */ 3830 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY) 3831 for (i = 0; i <= adev->mode_info.num_crtc - 1; i++) { 3832 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, 3833 vrtl_int_srcid[i], &adev->vline0_irq); 3834 3835 if (r) { 3836 DRM_ERROR("Failed to add vline0 irq id!\n"); 3837 return r; 3838 } 3839 3840 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT; 3841 int_params.irq_source = 3842 dc_interrupt_to_irq_source(dc, vrtl_int_srcid[i], 0); 3843 3844 if (int_params.irq_source == DC_IRQ_SOURCE_INVALID) { 3845 DRM_ERROR("Failed to register vline0 irq %d!\n", vrtl_int_srcid[i]); 3846 break; 3847 } 3848 3849 c_irq_params = &adev->dm.vline0_params[int_params.irq_source 3850 - DC_IRQ_SOURCE_DC1_VLINE0]; 3851 3852 c_irq_params->adev = adev; 3853 c_irq_params->irq_src = int_params.irq_source; 3854 3855 amdgpu_dm_irq_register_interrupt(adev, &int_params, 3856 dm_dcn_vertical_interrupt0_high_irq, c_irq_params); 3857 } 3858 #endif 3859 3860 /* Use VUPDATE_NO_LOCK interrupt on DCN, which seems to correspond to 3861 * the regular VUPDATE interrupt on DCE. We want DC_IRQ_SOURCE_VUPDATEx 3862 * to trigger at end of each vblank, regardless of state of the lock, 3863 * matching DCE behaviour. 3864 */ 3865 for (i = DCN_1_0__SRCID__OTG0_IHC_V_UPDATE_NO_LOCK_INTERRUPT; 3866 i <= DCN_1_0__SRCID__OTG0_IHC_V_UPDATE_NO_LOCK_INTERRUPT + adev->mode_info.num_crtc - 1; 3867 i++) { 3868 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, i, &adev->vupdate_irq); 3869 3870 if (r) { 3871 DRM_ERROR("Failed to add vupdate irq id!\n"); 3872 return r; 3873 } 3874 3875 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT; 3876 int_params.irq_source = 3877 dc_interrupt_to_irq_source(dc, i, 0); 3878 3879 c_irq_params = &adev->dm.vupdate_params[int_params.irq_source - DC_IRQ_SOURCE_VUPDATE1]; 3880 3881 c_irq_params->adev = adev; 3882 c_irq_params->irq_src = int_params.irq_source; 3883 3884 amdgpu_dm_irq_register_interrupt(adev, &int_params, 3885 dm_vupdate_high_irq, c_irq_params); 3886 } 3887 3888 /* Use GRPH_PFLIP interrupt */ 3889 for (i = DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT; 3890 i <= DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT + dc->caps.max_otg_num - 1; 3891 i++) { 3892 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, i, &adev->pageflip_irq); 3893 if (r) { 3894 DRM_ERROR("Failed to add page flip irq id!\n"); 3895 return r; 3896 } 3897 3898 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT; 3899 int_params.irq_source = 3900 dc_interrupt_to_irq_source(dc, i, 0); 3901 3902 c_irq_params = &adev->dm.pflip_params[int_params.irq_source - DC_IRQ_SOURCE_PFLIP_FIRST]; 3903 3904 c_irq_params->adev = adev; 3905 c_irq_params->irq_src = int_params.irq_source; 3906 3907 amdgpu_dm_irq_register_interrupt(adev, &int_params, 3908 dm_pflip_high_irq, c_irq_params); 3909 3910 } 3911 3912 /* HPD */ 3913 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, DCN_1_0__SRCID__DC_HPD1_INT, 3914 &adev->hpd_irq); 3915 if (r) { 3916 DRM_ERROR("Failed to add hpd irq id!\n"); 3917 return r; 3918 } 3919 3920 register_hpd_handlers(adev); 3921 3922 return 0; 3923 } 3924 /* Register Outbox IRQ sources and initialize IRQ callbacks */ 3925 static int register_outbox_irq_handlers(struct amdgpu_device *adev) 3926 { 3927 struct dc *dc = adev->dm.dc; 3928 struct common_irq_params *c_irq_params; 3929 struct dc_interrupt_params int_params = {0}; 3930 int r, i; 3931 3932 int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT; 3933 int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT; 3934 3935 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, DCN_1_0__SRCID__DMCUB_OUTBOX_LOW_PRIORITY_READY_INT, 3936 &adev->dmub_outbox_irq); 3937 if (r) { 3938 DRM_ERROR("Failed to add outbox irq id!\n"); 3939 return r; 3940 } 3941 3942 if (dc->ctx->dmub_srv) { 3943 i = DCN_1_0__SRCID__DMCUB_OUTBOX_LOW_PRIORITY_READY_INT; 3944 int_params.int_context = INTERRUPT_LOW_IRQ_CONTEXT; 3945 int_params.irq_source = 3946 dc_interrupt_to_irq_source(dc, i, 0); 3947 3948 c_irq_params = &adev->dm.dmub_outbox_params[0]; 3949 3950 c_irq_params->adev = adev; 3951 c_irq_params->irq_src = int_params.irq_source; 3952 3953 amdgpu_dm_irq_register_interrupt(adev, &int_params, 3954 dm_dmub_outbox1_low_irq, c_irq_params); 3955 } 3956 3957 return 0; 3958 } 3959 3960 /* 3961 * Acquires the lock for the atomic state object and returns 3962 * the new atomic state. 3963 * 3964 * This should only be called during atomic check. 3965 */ 3966 int dm_atomic_get_state(struct drm_atomic_state *state, 3967 struct dm_atomic_state **dm_state) 3968 { 3969 struct drm_device *dev = state->dev; 3970 struct amdgpu_device *adev = drm_to_adev(dev); 3971 struct amdgpu_display_manager *dm = &adev->dm; 3972 struct drm_private_state *priv_state; 3973 3974 if (*dm_state) 3975 return 0; 3976 3977 priv_state = drm_atomic_get_private_obj_state(state, &dm->atomic_obj); 3978 if (IS_ERR(priv_state)) 3979 return PTR_ERR(priv_state); 3980 3981 *dm_state = to_dm_atomic_state(priv_state); 3982 3983 return 0; 3984 } 3985 3986 static struct dm_atomic_state * 3987 dm_atomic_get_new_state(struct drm_atomic_state *state) 3988 { 3989 struct drm_device *dev = state->dev; 3990 struct amdgpu_device *adev = drm_to_adev(dev); 3991 struct amdgpu_display_manager *dm = &adev->dm; 3992 struct drm_private_obj *obj; 3993 struct drm_private_state *new_obj_state; 3994 int i; 3995 3996 for_each_new_private_obj_in_state(state, obj, new_obj_state, i) { 3997 if (obj->funcs == dm->atomic_obj.funcs) 3998 return to_dm_atomic_state(new_obj_state); 3999 } 4000 4001 return NULL; 4002 } 4003 4004 static struct drm_private_state * 4005 dm_atomic_duplicate_state(struct drm_private_obj *obj) 4006 { 4007 struct dm_atomic_state *old_state, *new_state; 4008 4009 new_state = kzalloc(sizeof(*new_state), GFP_KERNEL); 4010 if (!new_state) 4011 return NULL; 4012 4013 __drm_atomic_helper_private_obj_duplicate_state(obj, &new_state->base); 4014 4015 old_state = to_dm_atomic_state(obj->state); 4016 4017 if (old_state && old_state->context) 4018 new_state->context = dc_state_create_copy(old_state->context); 4019 4020 if (!new_state->context) { 4021 kfree(new_state); 4022 return NULL; 4023 } 4024 4025 return &new_state->base; 4026 } 4027 4028 static void dm_atomic_destroy_state(struct drm_private_obj *obj, 4029 struct drm_private_state *state) 4030 { 4031 struct dm_atomic_state *dm_state = to_dm_atomic_state(state); 4032 4033 if (dm_state && dm_state->context) 4034 dc_state_release(dm_state->context); 4035 4036 kfree(dm_state); 4037 } 4038 4039 static struct drm_private_state_funcs dm_atomic_state_funcs = { 4040 .atomic_duplicate_state = dm_atomic_duplicate_state, 4041 .atomic_destroy_state = dm_atomic_destroy_state, 4042 }; 4043 4044 static int amdgpu_dm_mode_config_init(struct amdgpu_device *adev) 4045 { 4046 struct dm_atomic_state *state; 4047 int r; 4048 4049 adev->mode_info.mode_config_initialized = true; 4050 4051 adev_to_drm(adev)->mode_config.funcs = (void *)&amdgpu_dm_mode_funcs; 4052 adev_to_drm(adev)->mode_config.helper_private = &amdgpu_dm_mode_config_helperfuncs; 4053 4054 adev_to_drm(adev)->mode_config.max_width = 16384; 4055 adev_to_drm(adev)->mode_config.max_height = 16384; 4056 4057 adev_to_drm(adev)->mode_config.preferred_depth = 24; 4058 if (adev->asic_type == CHIP_HAWAII) 4059 /* disable prefer shadow for now due to hibernation issues */ 4060 adev_to_drm(adev)->mode_config.prefer_shadow = 0; 4061 else 4062 adev_to_drm(adev)->mode_config.prefer_shadow = 1; 4063 /* indicates support for immediate flip */ 4064 adev_to_drm(adev)->mode_config.async_page_flip = true; 4065 4066 state = kzalloc(sizeof(*state), GFP_KERNEL); 4067 if (!state) 4068 return -ENOMEM; 4069 4070 state->context = dc_state_create_current_copy(adev->dm.dc); 4071 if (!state->context) { 4072 kfree(state); 4073 return -ENOMEM; 4074 } 4075 4076 drm_atomic_private_obj_init(adev_to_drm(adev), 4077 &adev->dm.atomic_obj, 4078 &state->base, 4079 &dm_atomic_state_funcs); 4080 4081 r = amdgpu_display_modeset_create_props(adev); 4082 if (r) { 4083 dc_state_release(state->context); 4084 kfree(state); 4085 return r; 4086 } 4087 4088 #ifdef AMD_PRIVATE_COLOR 4089 if (amdgpu_dm_create_color_properties(adev)) 4090 return -ENOMEM; 4091 #endif 4092 4093 r = amdgpu_dm_audio_init(adev); 4094 if (r) { 4095 dc_state_release(state->context); 4096 kfree(state); 4097 return r; 4098 } 4099 4100 return 0; 4101 } 4102 4103 #define AMDGPU_DM_DEFAULT_MIN_BACKLIGHT 12 4104 #define AMDGPU_DM_DEFAULT_MAX_BACKLIGHT 255 4105 #define AUX_BL_DEFAULT_TRANSITION_TIME_MS 50 4106 4107 static void amdgpu_dm_update_backlight_caps(struct amdgpu_display_manager *dm, 4108 int bl_idx) 4109 { 4110 #if defined(CONFIG_ACPI) 4111 struct amdgpu_dm_backlight_caps caps; 4112 4113 memset(&caps, 0, sizeof(caps)); 4114 4115 if (dm->backlight_caps[bl_idx].caps_valid) 4116 return; 4117 4118 amdgpu_acpi_get_backlight_caps(&caps); 4119 if (caps.caps_valid) { 4120 dm->backlight_caps[bl_idx].caps_valid = true; 4121 if (caps.aux_support) 4122 return; 4123 dm->backlight_caps[bl_idx].min_input_signal = caps.min_input_signal; 4124 dm->backlight_caps[bl_idx].max_input_signal = caps.max_input_signal; 4125 } else { 4126 dm->backlight_caps[bl_idx].min_input_signal = 4127 AMDGPU_DM_DEFAULT_MIN_BACKLIGHT; 4128 dm->backlight_caps[bl_idx].max_input_signal = 4129 AMDGPU_DM_DEFAULT_MAX_BACKLIGHT; 4130 } 4131 #else 4132 if (dm->backlight_caps[bl_idx].aux_support) 4133 return; 4134 4135 dm->backlight_caps[bl_idx].min_input_signal = AMDGPU_DM_DEFAULT_MIN_BACKLIGHT; 4136 dm->backlight_caps[bl_idx].max_input_signal = AMDGPU_DM_DEFAULT_MAX_BACKLIGHT; 4137 #endif 4138 } 4139 4140 static int get_brightness_range(const struct amdgpu_dm_backlight_caps *caps, 4141 unsigned int *min, unsigned int *max) 4142 { 4143 if (!caps) 4144 return 0; 4145 4146 if (caps->aux_support) { 4147 // Firmware limits are in nits, DC API wants millinits. 4148 *max = 1000 * caps->aux_max_input_signal; 4149 *min = 1000 * caps->aux_min_input_signal; 4150 } else { 4151 // Firmware limits are 8-bit, PWM control is 16-bit. 4152 *max = 0x101 * caps->max_input_signal; 4153 *min = 0x101 * caps->min_input_signal; 4154 } 4155 return 1; 4156 } 4157 4158 static u32 convert_brightness_from_user(const struct amdgpu_dm_backlight_caps *caps, 4159 uint32_t brightness) 4160 { 4161 unsigned int min, max; 4162 4163 if (!get_brightness_range(caps, &min, &max)) 4164 return brightness; 4165 4166 // Rescale 0..255 to min..max 4167 return min + DIV_ROUND_CLOSEST((max - min) * brightness, 4168 AMDGPU_MAX_BL_LEVEL); 4169 } 4170 4171 static u32 convert_brightness_to_user(const struct amdgpu_dm_backlight_caps *caps, 4172 uint32_t brightness) 4173 { 4174 unsigned int min, max; 4175 4176 if (!get_brightness_range(caps, &min, &max)) 4177 return brightness; 4178 4179 if (brightness < min) 4180 return 0; 4181 // Rescale min..max to 0..255 4182 return DIV_ROUND_CLOSEST(AMDGPU_MAX_BL_LEVEL * (brightness - min), 4183 max - min); 4184 } 4185 4186 static void amdgpu_dm_backlight_set_level(struct amdgpu_display_manager *dm, 4187 int bl_idx, 4188 u32 user_brightness) 4189 { 4190 struct amdgpu_dm_backlight_caps caps; 4191 struct dc_link *link; 4192 u32 brightness; 4193 bool rc; 4194 4195 amdgpu_dm_update_backlight_caps(dm, bl_idx); 4196 caps = dm->backlight_caps[bl_idx]; 4197 4198 dm->brightness[bl_idx] = user_brightness; 4199 /* update scratch register */ 4200 if (bl_idx == 0) 4201 amdgpu_atombios_scratch_regs_set_backlight_level(dm->adev, dm->brightness[bl_idx]); 4202 brightness = convert_brightness_from_user(&caps, dm->brightness[bl_idx]); 4203 link = (struct dc_link *)dm->backlight_link[bl_idx]; 4204 4205 /* Change brightness based on AUX property */ 4206 if (caps.aux_support) { 4207 rc = dc_link_set_backlight_level_nits(link, true, brightness, 4208 AUX_BL_DEFAULT_TRANSITION_TIME_MS); 4209 if (!rc) 4210 DRM_DEBUG("DM: Failed to update backlight via AUX on eDP[%d]\n", bl_idx); 4211 } else { 4212 rc = dc_link_set_backlight_level(link, brightness, 0); 4213 if (!rc) 4214 DRM_DEBUG("DM: Failed to update backlight on eDP[%d]\n", bl_idx); 4215 } 4216 4217 if (rc) 4218 dm->actual_brightness[bl_idx] = user_brightness; 4219 } 4220 4221 static int amdgpu_dm_backlight_update_status(struct backlight_device *bd) 4222 { 4223 struct amdgpu_display_manager *dm = bl_get_data(bd); 4224 int i; 4225 4226 for (i = 0; i < dm->num_of_edps; i++) { 4227 if (bd == dm->backlight_dev[i]) 4228 break; 4229 } 4230 if (i >= AMDGPU_DM_MAX_NUM_EDP) 4231 i = 0; 4232 amdgpu_dm_backlight_set_level(dm, i, bd->props.brightness); 4233 4234 return 0; 4235 } 4236 4237 static u32 amdgpu_dm_backlight_get_level(struct amdgpu_display_manager *dm, 4238 int bl_idx) 4239 { 4240 int ret; 4241 struct amdgpu_dm_backlight_caps caps; 4242 struct dc_link *link = (struct dc_link *)dm->backlight_link[bl_idx]; 4243 4244 amdgpu_dm_update_backlight_caps(dm, bl_idx); 4245 caps = dm->backlight_caps[bl_idx]; 4246 4247 if (caps.aux_support) { 4248 u32 avg, peak; 4249 bool rc; 4250 4251 rc = dc_link_get_backlight_level_nits(link, &avg, &peak); 4252 if (!rc) 4253 return dm->brightness[bl_idx]; 4254 return convert_brightness_to_user(&caps, avg); 4255 } 4256 4257 ret = dc_link_get_backlight_level(link); 4258 4259 if (ret == DC_ERROR_UNEXPECTED) 4260 return dm->brightness[bl_idx]; 4261 4262 return convert_brightness_to_user(&caps, ret); 4263 } 4264 4265 static int amdgpu_dm_backlight_get_brightness(struct backlight_device *bd) 4266 { 4267 struct amdgpu_display_manager *dm = bl_get_data(bd); 4268 int i; 4269 4270 for (i = 0; i < dm->num_of_edps; i++) { 4271 if (bd == dm->backlight_dev[i]) 4272 break; 4273 } 4274 if (i >= AMDGPU_DM_MAX_NUM_EDP) 4275 i = 0; 4276 return amdgpu_dm_backlight_get_level(dm, i); 4277 } 4278 4279 static const struct backlight_ops amdgpu_dm_backlight_ops = { 4280 .options = BL_CORE_SUSPENDRESUME, 4281 .get_brightness = amdgpu_dm_backlight_get_brightness, 4282 .update_status = amdgpu_dm_backlight_update_status, 4283 }; 4284 4285 static void 4286 amdgpu_dm_register_backlight_device(struct amdgpu_dm_connector *aconnector) 4287 { 4288 struct drm_device *drm = aconnector->base.dev; 4289 struct amdgpu_display_manager *dm = &drm_to_adev(drm)->dm; 4290 struct backlight_properties props = { 0 }; 4291 char bl_name[16]; 4292 4293 if (aconnector->bl_idx == -1) 4294 return; 4295 4296 if (!acpi_video_backlight_use_native()) { 4297 drm_info(drm, "Skipping amdgpu DM backlight registration\n"); 4298 /* Try registering an ACPI video backlight device instead. */ 4299 acpi_video_register_backlight(); 4300 return; 4301 } 4302 4303 props.max_brightness = AMDGPU_MAX_BL_LEVEL; 4304 props.brightness = AMDGPU_MAX_BL_LEVEL; 4305 props.type = BACKLIGHT_RAW; 4306 4307 snprintf(bl_name, sizeof(bl_name), "amdgpu_bl%d", 4308 drm->primary->index + aconnector->bl_idx); 4309 4310 dm->backlight_dev[aconnector->bl_idx] = 4311 backlight_device_register(bl_name, aconnector->base.kdev, dm, 4312 &amdgpu_dm_backlight_ops, &props); 4313 4314 if (IS_ERR(dm->backlight_dev[aconnector->bl_idx])) { 4315 DRM_ERROR("DM: Backlight registration failed!\n"); 4316 dm->backlight_dev[aconnector->bl_idx] = NULL; 4317 } else 4318 DRM_DEBUG_DRIVER("DM: Registered Backlight device: %s\n", bl_name); 4319 } 4320 4321 static int initialize_plane(struct amdgpu_display_manager *dm, 4322 struct amdgpu_mode_info *mode_info, int plane_id, 4323 enum drm_plane_type plane_type, 4324 const struct dc_plane_cap *plane_cap) 4325 { 4326 struct drm_plane *plane; 4327 unsigned long possible_crtcs; 4328 int ret = 0; 4329 4330 plane = kzalloc(sizeof(struct drm_plane), GFP_KERNEL); 4331 if (!plane) { 4332 DRM_ERROR("KMS: Failed to allocate plane\n"); 4333 return -ENOMEM; 4334 } 4335 plane->type = plane_type; 4336 4337 /* 4338 * HACK: IGT tests expect that the primary plane for a CRTC 4339 * can only have one possible CRTC. Only expose support for 4340 * any CRTC if they're not going to be used as a primary plane 4341 * for a CRTC - like overlay or underlay planes. 4342 */ 4343 possible_crtcs = 1 << plane_id; 4344 if (plane_id >= dm->dc->caps.max_streams) 4345 possible_crtcs = 0xff; 4346 4347 ret = amdgpu_dm_plane_init(dm, plane, possible_crtcs, plane_cap); 4348 4349 if (ret) { 4350 DRM_ERROR("KMS: Failed to initialize plane\n"); 4351 kfree(plane); 4352 return ret; 4353 } 4354 4355 if (mode_info) 4356 mode_info->planes[plane_id] = plane; 4357 4358 return ret; 4359 } 4360 4361 4362 static void setup_backlight_device(struct amdgpu_display_manager *dm, 4363 struct amdgpu_dm_connector *aconnector) 4364 { 4365 struct dc_link *link = aconnector->dc_link; 4366 int bl_idx = dm->num_of_edps; 4367 4368 if (!(link->connector_signal & (SIGNAL_TYPE_EDP | SIGNAL_TYPE_LVDS)) || 4369 link->type == dc_connection_none) 4370 return; 4371 4372 if (dm->num_of_edps >= AMDGPU_DM_MAX_NUM_EDP) { 4373 drm_warn(adev_to_drm(dm->adev), "Too much eDP connections, skipping backlight setup for additional eDPs\n"); 4374 return; 4375 } 4376 4377 aconnector->bl_idx = bl_idx; 4378 4379 amdgpu_dm_update_backlight_caps(dm, bl_idx); 4380 dm->brightness[bl_idx] = AMDGPU_MAX_BL_LEVEL; 4381 dm->backlight_link[bl_idx] = link; 4382 dm->num_of_edps++; 4383 4384 update_connector_ext_caps(aconnector); 4385 } 4386 4387 static void amdgpu_set_panel_orientation(struct drm_connector *connector); 4388 4389 /* 4390 * In this architecture, the association 4391 * connector -> encoder -> crtc 4392 * id not really requried. The crtc and connector will hold the 4393 * display_index as an abstraction to use with DAL component 4394 * 4395 * Returns 0 on success 4396 */ 4397 static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev) 4398 { 4399 struct amdgpu_display_manager *dm = &adev->dm; 4400 s32 i; 4401 struct amdgpu_dm_connector *aconnector = NULL; 4402 struct amdgpu_encoder *aencoder = NULL; 4403 struct amdgpu_mode_info *mode_info = &adev->mode_info; 4404 u32 link_cnt; 4405 s32 primary_planes; 4406 enum dc_connection_type new_connection_type = dc_connection_none; 4407 const struct dc_plane_cap *plane; 4408 bool psr_feature_enabled = false; 4409 bool replay_feature_enabled = false; 4410 int max_overlay = dm->dc->caps.max_slave_planes; 4411 4412 dm->display_indexes_num = dm->dc->caps.max_streams; 4413 /* Update the actual used number of crtc */ 4414 adev->mode_info.num_crtc = adev->dm.display_indexes_num; 4415 4416 amdgpu_dm_set_irq_funcs(adev); 4417 4418 link_cnt = dm->dc->caps.max_links; 4419 if (amdgpu_dm_mode_config_init(dm->adev)) { 4420 DRM_ERROR("DM: Failed to initialize mode config\n"); 4421 return -EINVAL; 4422 } 4423 4424 /* There is one primary plane per CRTC */ 4425 primary_planes = dm->dc->caps.max_streams; 4426 ASSERT(primary_planes <= AMDGPU_MAX_PLANES); 4427 4428 /* 4429 * Initialize primary planes, implicit planes for legacy IOCTLS. 4430 * Order is reversed to match iteration order in atomic check. 4431 */ 4432 for (i = (primary_planes - 1); i >= 0; i--) { 4433 plane = &dm->dc->caps.planes[i]; 4434 4435 if (initialize_plane(dm, mode_info, i, 4436 DRM_PLANE_TYPE_PRIMARY, plane)) { 4437 DRM_ERROR("KMS: Failed to initialize primary plane\n"); 4438 goto fail; 4439 } 4440 } 4441 4442 /* 4443 * Initialize overlay planes, index starting after primary planes. 4444 * These planes have a higher DRM index than the primary planes since 4445 * they should be considered as having a higher z-order. 4446 * Order is reversed to match iteration order in atomic check. 4447 * 4448 * Only support DCN for now, and only expose one so we don't encourage 4449 * userspace to use up all the pipes. 4450 */ 4451 for (i = 0; i < dm->dc->caps.max_planes; ++i) { 4452 struct dc_plane_cap *plane = &dm->dc->caps.planes[i]; 4453 4454 /* Do not create overlay if MPO disabled */ 4455 if (amdgpu_dc_debug_mask & DC_DISABLE_MPO) 4456 break; 4457 4458 if (plane->type != DC_PLANE_TYPE_DCN_UNIVERSAL) 4459 continue; 4460 4461 if (!plane->pixel_format_support.argb8888) 4462 continue; 4463 4464 if (max_overlay-- == 0) 4465 break; 4466 4467 if (initialize_plane(dm, NULL, primary_planes + i, 4468 DRM_PLANE_TYPE_OVERLAY, plane)) { 4469 DRM_ERROR("KMS: Failed to initialize overlay plane\n"); 4470 goto fail; 4471 } 4472 } 4473 4474 for (i = 0; i < dm->dc->caps.max_streams; i++) 4475 if (amdgpu_dm_crtc_init(dm, mode_info->planes[i], i)) { 4476 DRM_ERROR("KMS: Failed to initialize crtc\n"); 4477 goto fail; 4478 } 4479 4480 /* Use Outbox interrupt */ 4481 switch (amdgpu_ip_version(adev, DCE_HWIP, 0)) { 4482 case IP_VERSION(3, 0, 0): 4483 case IP_VERSION(3, 1, 2): 4484 case IP_VERSION(3, 1, 3): 4485 case IP_VERSION(3, 1, 4): 4486 case IP_VERSION(3, 1, 5): 4487 case IP_VERSION(3, 1, 6): 4488 case IP_VERSION(3, 2, 0): 4489 case IP_VERSION(3, 2, 1): 4490 case IP_VERSION(2, 1, 0): 4491 case IP_VERSION(3, 5, 0): 4492 if (register_outbox_irq_handlers(dm->adev)) { 4493 DRM_ERROR("DM: Failed to initialize IRQ\n"); 4494 goto fail; 4495 } 4496 break; 4497 default: 4498 DRM_DEBUG_KMS("Unsupported DCN IP version for outbox: 0x%X\n", 4499 amdgpu_ip_version(adev, DCE_HWIP, 0)); 4500 } 4501 4502 /* Determine whether to enable PSR support by default. */ 4503 if (!(amdgpu_dc_debug_mask & DC_DISABLE_PSR)) { 4504 switch (amdgpu_ip_version(adev, DCE_HWIP, 0)) { 4505 case IP_VERSION(3, 1, 2): 4506 case IP_VERSION(3, 1, 3): 4507 case IP_VERSION(3, 1, 4): 4508 case IP_VERSION(3, 1, 5): 4509 case IP_VERSION(3, 1, 6): 4510 case IP_VERSION(3, 2, 0): 4511 case IP_VERSION(3, 2, 1): 4512 case IP_VERSION(3, 5, 0): 4513 psr_feature_enabled = true; 4514 break; 4515 default: 4516 psr_feature_enabled = amdgpu_dc_feature_mask & DC_PSR_MASK; 4517 break; 4518 } 4519 } 4520 4521 /* Determine whether to enable Replay support by default. */ 4522 if (!(amdgpu_dc_debug_mask & DC_DISABLE_REPLAY)) { 4523 switch (amdgpu_ip_version(adev, DCE_HWIP, 0)) { 4524 case IP_VERSION(3, 1, 4): 4525 case IP_VERSION(3, 1, 5): 4526 case IP_VERSION(3, 1, 6): 4527 case IP_VERSION(3, 2, 0): 4528 case IP_VERSION(3, 2, 1): 4529 case IP_VERSION(3, 5, 0): 4530 replay_feature_enabled = true; 4531 break; 4532 default: 4533 replay_feature_enabled = amdgpu_dc_feature_mask & DC_REPLAY_MASK; 4534 break; 4535 } 4536 } 4537 4538 /* loops over all connectors on the board */ 4539 for (i = 0; i < link_cnt; i++) { 4540 struct dc_link *link = NULL; 4541 4542 if (i > AMDGPU_DM_MAX_DISPLAY_INDEX) { 4543 DRM_ERROR( 4544 "KMS: Cannot support more than %d display indexes\n", 4545 AMDGPU_DM_MAX_DISPLAY_INDEX); 4546 continue; 4547 } 4548 4549 link = dc_get_link_at_index(dm->dc, i); 4550 4551 if (link->connector_signal == SIGNAL_TYPE_VIRTUAL) { 4552 struct amdgpu_dm_wb_connector *wbcon = kzalloc(sizeof(*wbcon), GFP_KERNEL); 4553 4554 if (!wbcon) { 4555 DRM_ERROR("KMS: Failed to allocate writeback connector\n"); 4556 continue; 4557 } 4558 4559 if (amdgpu_dm_wb_connector_init(dm, wbcon, i)) { 4560 DRM_ERROR("KMS: Failed to initialize writeback connector\n"); 4561 kfree(wbcon); 4562 continue; 4563 } 4564 4565 link->psr_settings.psr_feature_enabled = false; 4566 link->psr_settings.psr_version = DC_PSR_VERSION_UNSUPPORTED; 4567 4568 continue; 4569 } 4570 4571 aconnector = kzalloc(sizeof(*aconnector), GFP_KERNEL); 4572 if (!aconnector) 4573 goto fail; 4574 4575 aencoder = kzalloc(sizeof(*aencoder), GFP_KERNEL); 4576 if (!aencoder) 4577 goto fail; 4578 4579 if (amdgpu_dm_encoder_init(dm->ddev, aencoder, i)) { 4580 DRM_ERROR("KMS: Failed to initialize encoder\n"); 4581 goto fail; 4582 } 4583 4584 if (amdgpu_dm_connector_init(dm, aconnector, i, aencoder)) { 4585 DRM_ERROR("KMS: Failed to initialize connector\n"); 4586 goto fail; 4587 } 4588 4589 if (dm->hpd_rx_offload_wq) 4590 dm->hpd_rx_offload_wq[aconnector->base.index].aconnector = 4591 aconnector; 4592 4593 if (!dc_link_detect_connection_type(link, &new_connection_type)) 4594 DRM_ERROR("KMS: Failed to detect connector\n"); 4595 4596 if (aconnector->base.force && new_connection_type == dc_connection_none) { 4597 emulated_link_detect(link); 4598 amdgpu_dm_update_connector_after_detect(aconnector); 4599 } else { 4600 bool ret = false; 4601 4602 mutex_lock(&dm->dc_lock); 4603 ret = dc_link_detect(link, DETECT_REASON_BOOT); 4604 mutex_unlock(&dm->dc_lock); 4605 4606 if (ret) { 4607 amdgpu_dm_update_connector_after_detect(aconnector); 4608 setup_backlight_device(dm, aconnector); 4609 4610 /* Disable PSR if Replay can be enabled */ 4611 if (replay_feature_enabled) 4612 if (amdgpu_dm_set_replay_caps(link, aconnector)) 4613 psr_feature_enabled = false; 4614 4615 if (psr_feature_enabled) 4616 amdgpu_dm_set_psr_caps(link); 4617 4618 /* TODO: Fix vblank control helpers to delay PSR entry to allow this when 4619 * PSR is also supported. 4620 */ 4621 if (link->psr_settings.psr_feature_enabled) 4622 adev_to_drm(adev)->vblank_disable_immediate = false; 4623 } 4624 } 4625 amdgpu_set_panel_orientation(&aconnector->base); 4626 } 4627 4628 /* Software is initialized. Now we can register interrupt handlers. */ 4629 switch (adev->asic_type) { 4630 #if defined(CONFIG_DRM_AMD_DC_SI) 4631 case CHIP_TAHITI: 4632 case CHIP_PITCAIRN: 4633 case CHIP_VERDE: 4634 case CHIP_OLAND: 4635 if (dce60_register_irq_handlers(dm->adev)) { 4636 DRM_ERROR("DM: Failed to initialize IRQ\n"); 4637 goto fail; 4638 } 4639 break; 4640 #endif 4641 case CHIP_BONAIRE: 4642 case CHIP_HAWAII: 4643 case CHIP_KAVERI: 4644 case CHIP_KABINI: 4645 case CHIP_MULLINS: 4646 case CHIP_TONGA: 4647 case CHIP_FIJI: 4648 case CHIP_CARRIZO: 4649 case CHIP_STONEY: 4650 case CHIP_POLARIS11: 4651 case CHIP_POLARIS10: 4652 case CHIP_POLARIS12: 4653 case CHIP_VEGAM: 4654 case CHIP_VEGA10: 4655 case CHIP_VEGA12: 4656 case CHIP_VEGA20: 4657 if (dce110_register_irq_handlers(dm->adev)) { 4658 DRM_ERROR("DM: Failed to initialize IRQ\n"); 4659 goto fail; 4660 } 4661 break; 4662 default: 4663 switch (amdgpu_ip_version(adev, DCE_HWIP, 0)) { 4664 case IP_VERSION(1, 0, 0): 4665 case IP_VERSION(1, 0, 1): 4666 case IP_VERSION(2, 0, 2): 4667 case IP_VERSION(2, 0, 3): 4668 case IP_VERSION(2, 0, 0): 4669 case IP_VERSION(2, 1, 0): 4670 case IP_VERSION(3, 0, 0): 4671 case IP_VERSION(3, 0, 2): 4672 case IP_VERSION(3, 0, 3): 4673 case IP_VERSION(3, 0, 1): 4674 case IP_VERSION(3, 1, 2): 4675 case IP_VERSION(3, 1, 3): 4676 case IP_VERSION(3, 1, 4): 4677 case IP_VERSION(3, 1, 5): 4678 case IP_VERSION(3, 1, 6): 4679 case IP_VERSION(3, 2, 0): 4680 case IP_VERSION(3, 2, 1): 4681 case IP_VERSION(3, 5, 0): 4682 if (dcn10_register_irq_handlers(dm->adev)) { 4683 DRM_ERROR("DM: Failed to initialize IRQ\n"); 4684 goto fail; 4685 } 4686 break; 4687 default: 4688 DRM_ERROR("Unsupported DCE IP versions: 0x%X\n", 4689 amdgpu_ip_version(adev, DCE_HWIP, 0)); 4690 goto fail; 4691 } 4692 break; 4693 } 4694 4695 return 0; 4696 fail: 4697 kfree(aencoder); 4698 kfree(aconnector); 4699 4700 return -EINVAL; 4701 } 4702 4703 static void amdgpu_dm_destroy_drm_device(struct amdgpu_display_manager *dm) 4704 { 4705 drm_atomic_private_obj_fini(&dm->atomic_obj); 4706 } 4707 4708 /****************************************************************************** 4709 * amdgpu_display_funcs functions 4710 *****************************************************************************/ 4711 4712 /* 4713 * dm_bandwidth_update - program display watermarks 4714 * 4715 * @adev: amdgpu_device pointer 4716 * 4717 * Calculate and program the display watermarks and line buffer allocation. 4718 */ 4719 static void dm_bandwidth_update(struct amdgpu_device *adev) 4720 { 4721 /* TODO: implement later */ 4722 } 4723 4724 static const struct amdgpu_display_funcs dm_display_funcs = { 4725 .bandwidth_update = dm_bandwidth_update, /* called unconditionally */ 4726 .vblank_get_counter = dm_vblank_get_counter,/* called unconditionally */ 4727 .backlight_set_level = NULL, /* never called for DC */ 4728 .backlight_get_level = NULL, /* never called for DC */ 4729 .hpd_sense = NULL,/* called unconditionally */ 4730 .hpd_set_polarity = NULL, /* called unconditionally */ 4731 .hpd_get_gpio_reg = NULL, /* VBIOS parsing. DAL does it. */ 4732 .page_flip_get_scanoutpos = 4733 dm_crtc_get_scanoutpos,/* called unconditionally */ 4734 .add_encoder = NULL, /* VBIOS parsing. DAL does it. */ 4735 .add_connector = NULL, /* VBIOS parsing. DAL does it. */ 4736 }; 4737 4738 #if defined(CONFIG_DEBUG_KERNEL_DC) 4739 4740 static ssize_t s3_debug_store(struct device *device, 4741 struct device_attribute *attr, 4742 const char *buf, 4743 size_t count) 4744 { 4745 int ret; 4746 int s3_state; 4747 struct drm_device *drm_dev = dev_get_drvdata(device); 4748 struct amdgpu_device *adev = drm_to_adev(drm_dev); 4749 4750 ret = kstrtoint(buf, 0, &s3_state); 4751 4752 if (ret == 0) { 4753 if (s3_state) { 4754 dm_resume(adev); 4755 drm_kms_helper_hotplug_event(adev_to_drm(adev)); 4756 } else 4757 dm_suspend(adev); 4758 } 4759 4760 return ret == 0 ? count : 0; 4761 } 4762 4763 DEVICE_ATTR_WO(s3_debug); 4764 4765 #endif 4766 4767 static int dm_init_microcode(struct amdgpu_device *adev) 4768 { 4769 char *fw_name_dmub; 4770 int r; 4771 4772 switch (amdgpu_ip_version(adev, DCE_HWIP, 0)) { 4773 case IP_VERSION(2, 1, 0): 4774 fw_name_dmub = FIRMWARE_RENOIR_DMUB; 4775 if (ASICREV_IS_GREEN_SARDINE(adev->external_rev_id)) 4776 fw_name_dmub = FIRMWARE_GREEN_SARDINE_DMUB; 4777 break; 4778 case IP_VERSION(3, 0, 0): 4779 if (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(10, 3, 0)) 4780 fw_name_dmub = FIRMWARE_SIENNA_CICHLID_DMUB; 4781 else 4782 fw_name_dmub = FIRMWARE_NAVY_FLOUNDER_DMUB; 4783 break; 4784 case IP_VERSION(3, 0, 1): 4785 fw_name_dmub = FIRMWARE_VANGOGH_DMUB; 4786 break; 4787 case IP_VERSION(3, 0, 2): 4788 fw_name_dmub = FIRMWARE_DIMGREY_CAVEFISH_DMUB; 4789 break; 4790 case IP_VERSION(3, 0, 3): 4791 fw_name_dmub = FIRMWARE_BEIGE_GOBY_DMUB; 4792 break; 4793 case IP_VERSION(3, 1, 2): 4794 case IP_VERSION(3, 1, 3): 4795 fw_name_dmub = FIRMWARE_YELLOW_CARP_DMUB; 4796 break; 4797 case IP_VERSION(3, 1, 4): 4798 fw_name_dmub = FIRMWARE_DCN_314_DMUB; 4799 break; 4800 case IP_VERSION(3, 1, 5): 4801 fw_name_dmub = FIRMWARE_DCN_315_DMUB; 4802 break; 4803 case IP_VERSION(3, 1, 6): 4804 fw_name_dmub = FIRMWARE_DCN316_DMUB; 4805 break; 4806 case IP_VERSION(3, 2, 0): 4807 fw_name_dmub = FIRMWARE_DCN_V3_2_0_DMCUB; 4808 break; 4809 case IP_VERSION(3, 2, 1): 4810 fw_name_dmub = FIRMWARE_DCN_V3_2_1_DMCUB; 4811 break; 4812 case IP_VERSION(3, 5, 0): 4813 fw_name_dmub = FIRMWARE_DCN_35_DMUB; 4814 break; 4815 default: 4816 /* ASIC doesn't support DMUB. */ 4817 return 0; 4818 } 4819 r = amdgpu_ucode_request(adev, &adev->dm.dmub_fw, fw_name_dmub); 4820 return r; 4821 } 4822 4823 static int dm_early_init(void *handle) 4824 { 4825 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 4826 struct amdgpu_mode_info *mode_info = &adev->mode_info; 4827 struct atom_context *ctx = mode_info->atom_context; 4828 int index = GetIndexIntoMasterTable(DATA, Object_Header); 4829 u16 data_offset; 4830 4831 /* if there is no object header, skip DM */ 4832 if (!amdgpu_atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset)) { 4833 adev->harvest_ip_mask |= AMD_HARVEST_IP_DMU_MASK; 4834 dev_info(adev->dev, "No object header, skipping DM\n"); 4835 return -ENOENT; 4836 } 4837 4838 switch (adev->asic_type) { 4839 #if defined(CONFIG_DRM_AMD_DC_SI) 4840 case CHIP_TAHITI: 4841 case CHIP_PITCAIRN: 4842 case CHIP_VERDE: 4843 adev->mode_info.num_crtc = 6; 4844 adev->mode_info.num_hpd = 6; 4845 adev->mode_info.num_dig = 6; 4846 break; 4847 case CHIP_OLAND: 4848 adev->mode_info.num_crtc = 2; 4849 adev->mode_info.num_hpd = 2; 4850 adev->mode_info.num_dig = 2; 4851 break; 4852 #endif 4853 case CHIP_BONAIRE: 4854 case CHIP_HAWAII: 4855 adev->mode_info.num_crtc = 6; 4856 adev->mode_info.num_hpd = 6; 4857 adev->mode_info.num_dig = 6; 4858 break; 4859 case CHIP_KAVERI: 4860 adev->mode_info.num_crtc = 4; 4861 adev->mode_info.num_hpd = 6; 4862 adev->mode_info.num_dig = 7; 4863 break; 4864 case CHIP_KABINI: 4865 case CHIP_MULLINS: 4866 adev->mode_info.num_crtc = 2; 4867 adev->mode_info.num_hpd = 6; 4868 adev->mode_info.num_dig = 6; 4869 break; 4870 case CHIP_FIJI: 4871 case CHIP_TONGA: 4872 adev->mode_info.num_crtc = 6; 4873 adev->mode_info.num_hpd = 6; 4874 adev->mode_info.num_dig = 7; 4875 break; 4876 case CHIP_CARRIZO: 4877 adev->mode_info.num_crtc = 3; 4878 adev->mode_info.num_hpd = 6; 4879 adev->mode_info.num_dig = 9; 4880 break; 4881 case CHIP_STONEY: 4882 adev->mode_info.num_crtc = 2; 4883 adev->mode_info.num_hpd = 6; 4884 adev->mode_info.num_dig = 9; 4885 break; 4886 case CHIP_POLARIS11: 4887 case CHIP_POLARIS12: 4888 adev->mode_info.num_crtc = 5; 4889 adev->mode_info.num_hpd = 5; 4890 adev->mode_info.num_dig = 5; 4891 break; 4892 case CHIP_POLARIS10: 4893 case CHIP_VEGAM: 4894 adev->mode_info.num_crtc = 6; 4895 adev->mode_info.num_hpd = 6; 4896 adev->mode_info.num_dig = 6; 4897 break; 4898 case CHIP_VEGA10: 4899 case CHIP_VEGA12: 4900 case CHIP_VEGA20: 4901 adev->mode_info.num_crtc = 6; 4902 adev->mode_info.num_hpd = 6; 4903 adev->mode_info.num_dig = 6; 4904 break; 4905 default: 4906 4907 switch (amdgpu_ip_version(adev, DCE_HWIP, 0)) { 4908 case IP_VERSION(2, 0, 2): 4909 case IP_VERSION(3, 0, 0): 4910 adev->mode_info.num_crtc = 6; 4911 adev->mode_info.num_hpd = 6; 4912 adev->mode_info.num_dig = 6; 4913 break; 4914 case IP_VERSION(2, 0, 0): 4915 case IP_VERSION(3, 0, 2): 4916 adev->mode_info.num_crtc = 5; 4917 adev->mode_info.num_hpd = 5; 4918 adev->mode_info.num_dig = 5; 4919 break; 4920 case IP_VERSION(2, 0, 3): 4921 case IP_VERSION(3, 0, 3): 4922 adev->mode_info.num_crtc = 2; 4923 adev->mode_info.num_hpd = 2; 4924 adev->mode_info.num_dig = 2; 4925 break; 4926 case IP_VERSION(1, 0, 0): 4927 case IP_VERSION(1, 0, 1): 4928 case IP_VERSION(3, 0, 1): 4929 case IP_VERSION(2, 1, 0): 4930 case IP_VERSION(3, 1, 2): 4931 case IP_VERSION(3, 1, 3): 4932 case IP_VERSION(3, 1, 4): 4933 case IP_VERSION(3, 1, 5): 4934 case IP_VERSION(3, 1, 6): 4935 case IP_VERSION(3, 2, 0): 4936 case IP_VERSION(3, 2, 1): 4937 case IP_VERSION(3, 5, 0): 4938 adev->mode_info.num_crtc = 4; 4939 adev->mode_info.num_hpd = 4; 4940 adev->mode_info.num_dig = 4; 4941 break; 4942 default: 4943 DRM_ERROR("Unsupported DCE IP versions: 0x%x\n", 4944 amdgpu_ip_version(adev, DCE_HWIP, 0)); 4945 return -EINVAL; 4946 } 4947 break; 4948 } 4949 4950 if (adev->mode_info.funcs == NULL) 4951 adev->mode_info.funcs = &dm_display_funcs; 4952 4953 /* 4954 * Note: Do NOT change adev->audio_endpt_rreg and 4955 * adev->audio_endpt_wreg because they are initialised in 4956 * amdgpu_device_init() 4957 */ 4958 #if defined(CONFIG_DEBUG_KERNEL_DC) 4959 device_create_file( 4960 adev_to_drm(adev)->dev, 4961 &dev_attr_s3_debug); 4962 #endif 4963 adev->dc_enabled = true; 4964 4965 return dm_init_microcode(adev); 4966 } 4967 4968 static bool modereset_required(struct drm_crtc_state *crtc_state) 4969 { 4970 return !crtc_state->active && drm_atomic_crtc_needs_modeset(crtc_state); 4971 } 4972 4973 static void amdgpu_dm_encoder_destroy(struct drm_encoder *encoder) 4974 { 4975 drm_encoder_cleanup(encoder); 4976 kfree(encoder); 4977 } 4978 4979 static const struct drm_encoder_funcs amdgpu_dm_encoder_funcs = { 4980 .destroy = amdgpu_dm_encoder_destroy, 4981 }; 4982 4983 static int 4984 fill_plane_color_attributes(const struct drm_plane_state *plane_state, 4985 const enum surface_pixel_format format, 4986 enum dc_color_space *color_space) 4987 { 4988 bool full_range; 4989 4990 *color_space = COLOR_SPACE_SRGB; 4991 4992 /* DRM color properties only affect non-RGB formats. */ 4993 if (format < SURFACE_PIXEL_FORMAT_VIDEO_BEGIN) 4994 return 0; 4995 4996 full_range = (plane_state->color_range == DRM_COLOR_YCBCR_FULL_RANGE); 4997 4998 switch (plane_state->color_encoding) { 4999 case DRM_COLOR_YCBCR_BT601: 5000 if (full_range) 5001 *color_space = COLOR_SPACE_YCBCR601; 5002 else 5003 *color_space = COLOR_SPACE_YCBCR601_LIMITED; 5004 break; 5005 5006 case DRM_COLOR_YCBCR_BT709: 5007 if (full_range) 5008 *color_space = COLOR_SPACE_YCBCR709; 5009 else 5010 *color_space = COLOR_SPACE_YCBCR709_LIMITED; 5011 break; 5012 5013 case DRM_COLOR_YCBCR_BT2020: 5014 if (full_range) 5015 *color_space = COLOR_SPACE_2020_YCBCR; 5016 else 5017 return -EINVAL; 5018 break; 5019 5020 default: 5021 return -EINVAL; 5022 } 5023 5024 return 0; 5025 } 5026 5027 static int 5028 fill_dc_plane_info_and_addr(struct amdgpu_device *adev, 5029 const struct drm_plane_state *plane_state, 5030 const u64 tiling_flags, 5031 struct dc_plane_info *plane_info, 5032 struct dc_plane_address *address, 5033 bool tmz_surface, 5034 bool force_disable_dcc) 5035 { 5036 const struct drm_framebuffer *fb = plane_state->fb; 5037 const struct amdgpu_framebuffer *afb = 5038 to_amdgpu_framebuffer(plane_state->fb); 5039 int ret; 5040 5041 memset(plane_info, 0, sizeof(*plane_info)); 5042 5043 switch (fb->format->format) { 5044 case DRM_FORMAT_C8: 5045 plane_info->format = 5046 SURFACE_PIXEL_FORMAT_GRPH_PALETA_256_COLORS; 5047 break; 5048 case DRM_FORMAT_RGB565: 5049 plane_info->format = SURFACE_PIXEL_FORMAT_GRPH_RGB565; 5050 break; 5051 case DRM_FORMAT_XRGB8888: 5052 case DRM_FORMAT_ARGB8888: 5053 plane_info->format = SURFACE_PIXEL_FORMAT_GRPH_ARGB8888; 5054 break; 5055 case DRM_FORMAT_XRGB2101010: 5056 case DRM_FORMAT_ARGB2101010: 5057 plane_info->format = SURFACE_PIXEL_FORMAT_GRPH_ARGB2101010; 5058 break; 5059 case DRM_FORMAT_XBGR2101010: 5060 case DRM_FORMAT_ABGR2101010: 5061 plane_info->format = SURFACE_PIXEL_FORMAT_GRPH_ABGR2101010; 5062 break; 5063 case DRM_FORMAT_XBGR8888: 5064 case DRM_FORMAT_ABGR8888: 5065 plane_info->format = SURFACE_PIXEL_FORMAT_GRPH_ABGR8888; 5066 break; 5067 case DRM_FORMAT_NV21: 5068 plane_info->format = SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr; 5069 break; 5070 case DRM_FORMAT_NV12: 5071 plane_info->format = SURFACE_PIXEL_FORMAT_VIDEO_420_YCrCb; 5072 break; 5073 case DRM_FORMAT_P010: 5074 plane_info->format = SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCrCb; 5075 break; 5076 case DRM_FORMAT_XRGB16161616F: 5077 case DRM_FORMAT_ARGB16161616F: 5078 plane_info->format = SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616F; 5079 break; 5080 case DRM_FORMAT_XBGR16161616F: 5081 case DRM_FORMAT_ABGR16161616F: 5082 plane_info->format = SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616F; 5083 break; 5084 case DRM_FORMAT_XRGB16161616: 5085 case DRM_FORMAT_ARGB16161616: 5086 plane_info->format = SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616; 5087 break; 5088 case DRM_FORMAT_XBGR16161616: 5089 case DRM_FORMAT_ABGR16161616: 5090 plane_info->format = SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616; 5091 break; 5092 default: 5093 DRM_ERROR( 5094 "Unsupported screen format %p4cc\n", 5095 &fb->format->format); 5096 return -EINVAL; 5097 } 5098 5099 switch (plane_state->rotation & DRM_MODE_ROTATE_MASK) { 5100 case DRM_MODE_ROTATE_0: 5101 plane_info->rotation = ROTATION_ANGLE_0; 5102 break; 5103 case DRM_MODE_ROTATE_90: 5104 plane_info->rotation = ROTATION_ANGLE_90; 5105 break; 5106 case DRM_MODE_ROTATE_180: 5107 plane_info->rotation = ROTATION_ANGLE_180; 5108 break; 5109 case DRM_MODE_ROTATE_270: 5110 plane_info->rotation = ROTATION_ANGLE_270; 5111 break; 5112 default: 5113 plane_info->rotation = ROTATION_ANGLE_0; 5114 break; 5115 } 5116 5117 5118 plane_info->visible = true; 5119 plane_info->stereo_format = PLANE_STEREO_FORMAT_NONE; 5120 5121 plane_info->layer_index = plane_state->normalized_zpos; 5122 5123 ret = fill_plane_color_attributes(plane_state, plane_info->format, 5124 &plane_info->color_space); 5125 if (ret) 5126 return ret; 5127 5128 ret = amdgpu_dm_plane_fill_plane_buffer_attributes(adev, afb, plane_info->format, 5129 plane_info->rotation, tiling_flags, 5130 &plane_info->tiling_info, 5131 &plane_info->plane_size, 5132 &plane_info->dcc, address, 5133 tmz_surface, force_disable_dcc); 5134 if (ret) 5135 return ret; 5136 5137 amdgpu_dm_plane_fill_blending_from_plane_state( 5138 plane_state, &plane_info->per_pixel_alpha, &plane_info->pre_multiplied_alpha, 5139 &plane_info->global_alpha, &plane_info->global_alpha_value); 5140 5141 return 0; 5142 } 5143 5144 static int fill_dc_plane_attributes(struct amdgpu_device *adev, 5145 struct dc_plane_state *dc_plane_state, 5146 struct drm_plane_state *plane_state, 5147 struct drm_crtc_state *crtc_state) 5148 { 5149 struct dm_crtc_state *dm_crtc_state = to_dm_crtc_state(crtc_state); 5150 struct amdgpu_framebuffer *afb = (struct amdgpu_framebuffer *)plane_state->fb; 5151 struct dc_scaling_info scaling_info; 5152 struct dc_plane_info plane_info; 5153 int ret; 5154 bool force_disable_dcc = false; 5155 5156 ret = amdgpu_dm_plane_fill_dc_scaling_info(adev, plane_state, &scaling_info); 5157 if (ret) 5158 return ret; 5159 5160 dc_plane_state->src_rect = scaling_info.src_rect; 5161 dc_plane_state->dst_rect = scaling_info.dst_rect; 5162 dc_plane_state->clip_rect = scaling_info.clip_rect; 5163 dc_plane_state->scaling_quality = scaling_info.scaling_quality; 5164 5165 force_disable_dcc = adev->asic_type == CHIP_RAVEN && adev->in_suspend; 5166 ret = fill_dc_plane_info_and_addr(adev, plane_state, 5167 afb->tiling_flags, 5168 &plane_info, 5169 &dc_plane_state->address, 5170 afb->tmz_surface, 5171 force_disable_dcc); 5172 if (ret) 5173 return ret; 5174 5175 dc_plane_state->format = plane_info.format; 5176 dc_plane_state->color_space = plane_info.color_space; 5177 dc_plane_state->format = plane_info.format; 5178 dc_plane_state->plane_size = plane_info.plane_size; 5179 dc_plane_state->rotation = plane_info.rotation; 5180 dc_plane_state->horizontal_mirror = plane_info.horizontal_mirror; 5181 dc_plane_state->stereo_format = plane_info.stereo_format; 5182 dc_plane_state->tiling_info = plane_info.tiling_info; 5183 dc_plane_state->visible = plane_info.visible; 5184 dc_plane_state->per_pixel_alpha = plane_info.per_pixel_alpha; 5185 dc_plane_state->pre_multiplied_alpha = plane_info.pre_multiplied_alpha; 5186 dc_plane_state->global_alpha = plane_info.global_alpha; 5187 dc_plane_state->global_alpha_value = plane_info.global_alpha_value; 5188 dc_plane_state->dcc = plane_info.dcc; 5189 dc_plane_state->layer_index = plane_info.layer_index; 5190 dc_plane_state->flip_int_enabled = true; 5191 5192 /* 5193 * Always set input transfer function, since plane state is refreshed 5194 * every time. 5195 */ 5196 ret = amdgpu_dm_update_plane_color_mgmt(dm_crtc_state, 5197 plane_state, 5198 dc_plane_state); 5199 if (ret) 5200 return ret; 5201 5202 return 0; 5203 } 5204 5205 static inline void fill_dc_dirty_rect(struct drm_plane *plane, 5206 struct rect *dirty_rect, int32_t x, 5207 s32 y, s32 width, s32 height, 5208 int *i, bool ffu) 5209 { 5210 WARN_ON(*i >= DC_MAX_DIRTY_RECTS); 5211 5212 dirty_rect->x = x; 5213 dirty_rect->y = y; 5214 dirty_rect->width = width; 5215 dirty_rect->height = height; 5216 5217 if (ffu) 5218 drm_dbg(plane->dev, 5219 "[PLANE:%d] PSR FFU dirty rect size (%d, %d)\n", 5220 plane->base.id, width, height); 5221 else 5222 drm_dbg(plane->dev, 5223 "[PLANE:%d] PSR SU dirty rect at (%d, %d) size (%d, %d)", 5224 plane->base.id, x, y, width, height); 5225 5226 (*i)++; 5227 } 5228 5229 /** 5230 * fill_dc_dirty_rects() - Fill DC dirty regions for PSR selective updates 5231 * 5232 * @plane: DRM plane containing dirty regions that need to be flushed to the eDP 5233 * remote fb 5234 * @old_plane_state: Old state of @plane 5235 * @new_plane_state: New state of @plane 5236 * @crtc_state: New state of CRTC connected to the @plane 5237 * @flip_addrs: DC flip tracking struct, which also tracts dirty rects 5238 * @dirty_regions_changed: dirty regions changed 5239 * 5240 * For PSR SU, DC informs the DMUB uController of dirty rectangle regions 5241 * (referred to as "damage clips" in DRM nomenclature) that require updating on 5242 * the eDP remote buffer. The responsibility of specifying the dirty regions is 5243 * amdgpu_dm's. 5244 * 5245 * A damage-aware DRM client should fill the FB_DAMAGE_CLIPS property on the 5246 * plane with regions that require flushing to the eDP remote buffer. In 5247 * addition, certain use cases - such as cursor and multi-plane overlay (MPO) - 5248 * implicitly provide damage clips without any client support via the plane 5249 * bounds. 5250 */ 5251 static void fill_dc_dirty_rects(struct drm_plane *plane, 5252 struct drm_plane_state *old_plane_state, 5253 struct drm_plane_state *new_plane_state, 5254 struct drm_crtc_state *crtc_state, 5255 struct dc_flip_addrs *flip_addrs, 5256 bool is_psr_su, 5257 bool *dirty_regions_changed) 5258 { 5259 struct dm_crtc_state *dm_crtc_state = to_dm_crtc_state(crtc_state); 5260 struct rect *dirty_rects = flip_addrs->dirty_rects; 5261 u32 num_clips; 5262 struct drm_mode_rect *clips; 5263 bool bb_changed; 5264 bool fb_changed; 5265 u32 i = 0; 5266 *dirty_regions_changed = false; 5267 5268 /* 5269 * Cursor plane has it's own dirty rect update interface. See 5270 * dcn10_dmub_update_cursor_data and dmub_cmd_update_cursor_info_data 5271 */ 5272 if (plane->type == DRM_PLANE_TYPE_CURSOR) 5273 return; 5274 5275 if (new_plane_state->rotation != DRM_MODE_ROTATE_0) 5276 goto ffu; 5277 5278 num_clips = drm_plane_get_damage_clips_count(new_plane_state); 5279 clips = drm_plane_get_damage_clips(new_plane_state); 5280 5281 if (num_clips && (!amdgpu_damage_clips || (amdgpu_damage_clips < 0 && 5282 is_psr_su))) 5283 goto ffu; 5284 5285 if (!dm_crtc_state->mpo_requested) { 5286 if (!num_clips || num_clips > DC_MAX_DIRTY_RECTS) 5287 goto ffu; 5288 5289 for (; flip_addrs->dirty_rect_count < num_clips; clips++) 5290 fill_dc_dirty_rect(new_plane_state->plane, 5291 &dirty_rects[flip_addrs->dirty_rect_count], 5292 clips->x1, clips->y1, 5293 clips->x2 - clips->x1, clips->y2 - clips->y1, 5294 &flip_addrs->dirty_rect_count, 5295 false); 5296 return; 5297 } 5298 5299 /* 5300 * MPO is requested. Add entire plane bounding box to dirty rects if 5301 * flipped to or damaged. 5302 * 5303 * If plane is moved or resized, also add old bounding box to dirty 5304 * rects. 5305 */ 5306 fb_changed = old_plane_state->fb->base.id != 5307 new_plane_state->fb->base.id; 5308 bb_changed = (old_plane_state->crtc_x != new_plane_state->crtc_x || 5309 old_plane_state->crtc_y != new_plane_state->crtc_y || 5310 old_plane_state->crtc_w != new_plane_state->crtc_w || 5311 old_plane_state->crtc_h != new_plane_state->crtc_h); 5312 5313 drm_dbg(plane->dev, 5314 "[PLANE:%d] PSR bb_changed:%d fb_changed:%d num_clips:%d\n", 5315 new_plane_state->plane->base.id, 5316 bb_changed, fb_changed, num_clips); 5317 5318 *dirty_regions_changed = bb_changed; 5319 5320 if ((num_clips + (bb_changed ? 2 : 0)) > DC_MAX_DIRTY_RECTS) 5321 goto ffu; 5322 5323 if (bb_changed) { 5324 fill_dc_dirty_rect(new_plane_state->plane, &dirty_rects[i], 5325 new_plane_state->crtc_x, 5326 new_plane_state->crtc_y, 5327 new_plane_state->crtc_w, 5328 new_plane_state->crtc_h, &i, false); 5329 5330 /* Add old plane bounding-box if plane is moved or resized */ 5331 fill_dc_dirty_rect(new_plane_state->plane, &dirty_rects[i], 5332 old_plane_state->crtc_x, 5333 old_plane_state->crtc_y, 5334 old_plane_state->crtc_w, 5335 old_plane_state->crtc_h, &i, false); 5336 } 5337 5338 if (num_clips) { 5339 for (; i < num_clips; clips++) 5340 fill_dc_dirty_rect(new_plane_state->plane, 5341 &dirty_rects[i], clips->x1, 5342 clips->y1, clips->x2 - clips->x1, 5343 clips->y2 - clips->y1, &i, false); 5344 } else if (fb_changed && !bb_changed) { 5345 fill_dc_dirty_rect(new_plane_state->plane, &dirty_rects[i], 5346 new_plane_state->crtc_x, 5347 new_plane_state->crtc_y, 5348 new_plane_state->crtc_w, 5349 new_plane_state->crtc_h, &i, false); 5350 } 5351 5352 flip_addrs->dirty_rect_count = i; 5353 return; 5354 5355 ffu: 5356 fill_dc_dirty_rect(new_plane_state->plane, &dirty_rects[0], 0, 0, 5357 dm_crtc_state->base.mode.crtc_hdisplay, 5358 dm_crtc_state->base.mode.crtc_vdisplay, 5359 &flip_addrs->dirty_rect_count, true); 5360 } 5361 5362 static void update_stream_scaling_settings(const struct drm_display_mode *mode, 5363 const struct dm_connector_state *dm_state, 5364 struct dc_stream_state *stream) 5365 { 5366 enum amdgpu_rmx_type rmx_type; 5367 5368 struct rect src = { 0 }; /* viewport in composition space*/ 5369 struct rect dst = { 0 }; /* stream addressable area */ 5370 5371 /* no mode. nothing to be done */ 5372 if (!mode) 5373 return; 5374 5375 /* Full screen scaling by default */ 5376 src.width = mode->hdisplay; 5377 src.height = mode->vdisplay; 5378 dst.width = stream->timing.h_addressable; 5379 dst.height = stream->timing.v_addressable; 5380 5381 if (dm_state) { 5382 rmx_type = dm_state->scaling; 5383 if (rmx_type == RMX_ASPECT || rmx_type == RMX_OFF) { 5384 if (src.width * dst.height < 5385 src.height * dst.width) { 5386 /* height needs less upscaling/more downscaling */ 5387 dst.width = src.width * 5388 dst.height / src.height; 5389 } else { 5390 /* width needs less upscaling/more downscaling */ 5391 dst.height = src.height * 5392 dst.width / src.width; 5393 } 5394 } else if (rmx_type == RMX_CENTER) { 5395 dst = src; 5396 } 5397 5398 dst.x = (stream->timing.h_addressable - dst.width) / 2; 5399 dst.y = (stream->timing.v_addressable - dst.height) / 2; 5400 5401 if (dm_state->underscan_enable) { 5402 dst.x += dm_state->underscan_hborder / 2; 5403 dst.y += dm_state->underscan_vborder / 2; 5404 dst.width -= dm_state->underscan_hborder; 5405 dst.height -= dm_state->underscan_vborder; 5406 } 5407 } 5408 5409 stream->src = src; 5410 stream->dst = dst; 5411 5412 DRM_DEBUG_KMS("Destination Rectangle x:%d y:%d width:%d height:%d\n", 5413 dst.x, dst.y, dst.width, dst.height); 5414 5415 } 5416 5417 static enum dc_color_depth 5418 convert_color_depth_from_display_info(const struct drm_connector *connector, 5419 bool is_y420, int requested_bpc) 5420 { 5421 u8 bpc; 5422 5423 if (is_y420) { 5424 bpc = 8; 5425 5426 /* Cap display bpc based on HDMI 2.0 HF-VSDB */ 5427 if (connector->display_info.hdmi.y420_dc_modes & DRM_EDID_YCBCR420_DC_48) 5428 bpc = 16; 5429 else if (connector->display_info.hdmi.y420_dc_modes & DRM_EDID_YCBCR420_DC_36) 5430 bpc = 12; 5431 else if (connector->display_info.hdmi.y420_dc_modes & DRM_EDID_YCBCR420_DC_30) 5432 bpc = 10; 5433 } else { 5434 bpc = (uint8_t)connector->display_info.bpc; 5435 /* Assume 8 bpc by default if no bpc is specified. */ 5436 bpc = bpc ? bpc : 8; 5437 } 5438 5439 if (requested_bpc > 0) { 5440 /* 5441 * Cap display bpc based on the user requested value. 5442 * 5443 * The value for state->max_bpc may not correctly updated 5444 * depending on when the connector gets added to the state 5445 * or if this was called outside of atomic check, so it 5446 * can't be used directly. 5447 */ 5448 bpc = min_t(u8, bpc, requested_bpc); 5449 5450 /* Round down to the nearest even number. */ 5451 bpc = bpc - (bpc & 1); 5452 } 5453 5454 switch (bpc) { 5455 case 0: 5456 /* 5457 * Temporary Work around, DRM doesn't parse color depth for 5458 * EDID revision before 1.4 5459 * TODO: Fix edid parsing 5460 */ 5461 return COLOR_DEPTH_888; 5462 case 6: 5463 return COLOR_DEPTH_666; 5464 case 8: 5465 return COLOR_DEPTH_888; 5466 case 10: 5467 return COLOR_DEPTH_101010; 5468 case 12: 5469 return COLOR_DEPTH_121212; 5470 case 14: 5471 return COLOR_DEPTH_141414; 5472 case 16: 5473 return COLOR_DEPTH_161616; 5474 default: 5475 return COLOR_DEPTH_UNDEFINED; 5476 } 5477 } 5478 5479 static enum dc_aspect_ratio 5480 get_aspect_ratio(const struct drm_display_mode *mode_in) 5481 { 5482 /* 1-1 mapping, since both enums follow the HDMI spec. */ 5483 return (enum dc_aspect_ratio) mode_in->picture_aspect_ratio; 5484 } 5485 5486 static enum dc_color_space 5487 get_output_color_space(const struct dc_crtc_timing *dc_crtc_timing, 5488 const struct drm_connector_state *connector_state) 5489 { 5490 enum dc_color_space color_space = COLOR_SPACE_SRGB; 5491 5492 switch (connector_state->colorspace) { 5493 case DRM_MODE_COLORIMETRY_BT601_YCC: 5494 if (dc_crtc_timing->flags.Y_ONLY) 5495 color_space = COLOR_SPACE_YCBCR601_LIMITED; 5496 else 5497 color_space = COLOR_SPACE_YCBCR601; 5498 break; 5499 case DRM_MODE_COLORIMETRY_BT709_YCC: 5500 if (dc_crtc_timing->flags.Y_ONLY) 5501 color_space = COLOR_SPACE_YCBCR709_LIMITED; 5502 else 5503 color_space = COLOR_SPACE_YCBCR709; 5504 break; 5505 case DRM_MODE_COLORIMETRY_OPRGB: 5506 color_space = COLOR_SPACE_ADOBERGB; 5507 break; 5508 case DRM_MODE_COLORIMETRY_BT2020_RGB: 5509 case DRM_MODE_COLORIMETRY_BT2020_YCC: 5510 if (dc_crtc_timing->pixel_encoding == PIXEL_ENCODING_RGB) 5511 color_space = COLOR_SPACE_2020_RGB_FULLRANGE; 5512 else 5513 color_space = COLOR_SPACE_2020_YCBCR; 5514 break; 5515 case DRM_MODE_COLORIMETRY_DEFAULT: // ITU601 5516 default: 5517 if (dc_crtc_timing->pixel_encoding == PIXEL_ENCODING_RGB) { 5518 color_space = COLOR_SPACE_SRGB; 5519 /* 5520 * 27030khz is the separation point between HDTV and SDTV 5521 * according to HDMI spec, we use YCbCr709 and YCbCr601 5522 * respectively 5523 */ 5524 } else if (dc_crtc_timing->pix_clk_100hz > 270300) { 5525 if (dc_crtc_timing->flags.Y_ONLY) 5526 color_space = 5527 COLOR_SPACE_YCBCR709_LIMITED; 5528 else 5529 color_space = COLOR_SPACE_YCBCR709; 5530 } else { 5531 if (dc_crtc_timing->flags.Y_ONLY) 5532 color_space = 5533 COLOR_SPACE_YCBCR601_LIMITED; 5534 else 5535 color_space = COLOR_SPACE_YCBCR601; 5536 } 5537 break; 5538 } 5539 5540 return color_space; 5541 } 5542 5543 static enum display_content_type 5544 get_output_content_type(const struct drm_connector_state *connector_state) 5545 { 5546 switch (connector_state->content_type) { 5547 default: 5548 case DRM_MODE_CONTENT_TYPE_NO_DATA: 5549 return DISPLAY_CONTENT_TYPE_NO_DATA; 5550 case DRM_MODE_CONTENT_TYPE_GRAPHICS: 5551 return DISPLAY_CONTENT_TYPE_GRAPHICS; 5552 case DRM_MODE_CONTENT_TYPE_PHOTO: 5553 return DISPLAY_CONTENT_TYPE_PHOTO; 5554 case DRM_MODE_CONTENT_TYPE_CINEMA: 5555 return DISPLAY_CONTENT_TYPE_CINEMA; 5556 case DRM_MODE_CONTENT_TYPE_GAME: 5557 return DISPLAY_CONTENT_TYPE_GAME; 5558 } 5559 } 5560 5561 static bool adjust_colour_depth_from_display_info( 5562 struct dc_crtc_timing *timing_out, 5563 const struct drm_display_info *info) 5564 { 5565 enum dc_color_depth depth = timing_out->display_color_depth; 5566 int normalized_clk; 5567 5568 do { 5569 normalized_clk = timing_out->pix_clk_100hz / 10; 5570 /* YCbCr 4:2:0 requires additional adjustment of 1/2 */ 5571 if (timing_out->pixel_encoding == PIXEL_ENCODING_YCBCR420) 5572 normalized_clk /= 2; 5573 /* Adjusting pix clock following on HDMI spec based on colour depth */ 5574 switch (depth) { 5575 case COLOR_DEPTH_888: 5576 break; 5577 case COLOR_DEPTH_101010: 5578 normalized_clk = (normalized_clk * 30) / 24; 5579 break; 5580 case COLOR_DEPTH_121212: 5581 normalized_clk = (normalized_clk * 36) / 24; 5582 break; 5583 case COLOR_DEPTH_161616: 5584 normalized_clk = (normalized_clk * 48) / 24; 5585 break; 5586 default: 5587 /* The above depths are the only ones valid for HDMI. */ 5588 return false; 5589 } 5590 if (normalized_clk <= info->max_tmds_clock) { 5591 timing_out->display_color_depth = depth; 5592 return true; 5593 } 5594 } while (--depth > COLOR_DEPTH_666); 5595 return false; 5596 } 5597 5598 static void fill_stream_properties_from_drm_display_mode( 5599 struct dc_stream_state *stream, 5600 const struct drm_display_mode *mode_in, 5601 const struct drm_connector *connector, 5602 const struct drm_connector_state *connector_state, 5603 const struct dc_stream_state *old_stream, 5604 int requested_bpc) 5605 { 5606 struct dc_crtc_timing *timing_out = &stream->timing; 5607 const struct drm_display_info *info = &connector->display_info; 5608 struct amdgpu_dm_connector *aconnector = NULL; 5609 struct hdmi_vendor_infoframe hv_frame; 5610 struct hdmi_avi_infoframe avi_frame; 5611 5612 if (connector->connector_type != DRM_MODE_CONNECTOR_WRITEBACK) 5613 aconnector = to_amdgpu_dm_connector(connector); 5614 5615 memset(&hv_frame, 0, sizeof(hv_frame)); 5616 memset(&avi_frame, 0, sizeof(avi_frame)); 5617 5618 timing_out->h_border_left = 0; 5619 timing_out->h_border_right = 0; 5620 timing_out->v_border_top = 0; 5621 timing_out->v_border_bottom = 0; 5622 /* TODO: un-hardcode */ 5623 if (drm_mode_is_420_only(info, mode_in) 5624 && stream->signal == SIGNAL_TYPE_HDMI_TYPE_A) 5625 timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR420; 5626 else if (drm_mode_is_420_also(info, mode_in) 5627 && aconnector 5628 && aconnector->force_yuv420_output) 5629 timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR420; 5630 else if ((connector->display_info.color_formats & DRM_COLOR_FORMAT_YCBCR444) 5631 && stream->signal == SIGNAL_TYPE_HDMI_TYPE_A) 5632 timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR444; 5633 else 5634 timing_out->pixel_encoding = PIXEL_ENCODING_RGB; 5635 5636 timing_out->timing_3d_format = TIMING_3D_FORMAT_NONE; 5637 timing_out->display_color_depth = convert_color_depth_from_display_info( 5638 connector, 5639 (timing_out->pixel_encoding == PIXEL_ENCODING_YCBCR420), 5640 requested_bpc); 5641 timing_out->scan_type = SCANNING_TYPE_NODATA; 5642 timing_out->hdmi_vic = 0; 5643 5644 if (old_stream) { 5645 timing_out->vic = old_stream->timing.vic; 5646 timing_out->flags.HSYNC_POSITIVE_POLARITY = old_stream->timing.flags.HSYNC_POSITIVE_POLARITY; 5647 timing_out->flags.VSYNC_POSITIVE_POLARITY = old_stream->timing.flags.VSYNC_POSITIVE_POLARITY; 5648 } else { 5649 timing_out->vic = drm_match_cea_mode(mode_in); 5650 if (mode_in->flags & DRM_MODE_FLAG_PHSYNC) 5651 timing_out->flags.HSYNC_POSITIVE_POLARITY = 1; 5652 if (mode_in->flags & DRM_MODE_FLAG_PVSYNC) 5653 timing_out->flags.VSYNC_POSITIVE_POLARITY = 1; 5654 } 5655 5656 if (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A) { 5657 drm_hdmi_avi_infoframe_from_display_mode(&avi_frame, (struct drm_connector *)connector, mode_in); 5658 timing_out->vic = avi_frame.video_code; 5659 drm_hdmi_vendor_infoframe_from_display_mode(&hv_frame, (struct drm_connector *)connector, mode_in); 5660 timing_out->hdmi_vic = hv_frame.vic; 5661 } 5662 5663 if (aconnector && is_freesync_video_mode(mode_in, aconnector)) { 5664 timing_out->h_addressable = mode_in->hdisplay; 5665 timing_out->h_total = mode_in->htotal; 5666 timing_out->h_sync_width = mode_in->hsync_end - mode_in->hsync_start; 5667 timing_out->h_front_porch = mode_in->hsync_start - mode_in->hdisplay; 5668 timing_out->v_total = mode_in->vtotal; 5669 timing_out->v_addressable = mode_in->vdisplay; 5670 timing_out->v_front_porch = mode_in->vsync_start - mode_in->vdisplay; 5671 timing_out->v_sync_width = mode_in->vsync_end - mode_in->vsync_start; 5672 timing_out->pix_clk_100hz = mode_in->clock * 10; 5673 } else { 5674 timing_out->h_addressable = mode_in->crtc_hdisplay; 5675 timing_out->h_total = mode_in->crtc_htotal; 5676 timing_out->h_sync_width = mode_in->crtc_hsync_end - mode_in->crtc_hsync_start; 5677 timing_out->h_front_porch = mode_in->crtc_hsync_start - mode_in->crtc_hdisplay; 5678 timing_out->v_total = mode_in->crtc_vtotal; 5679 timing_out->v_addressable = mode_in->crtc_vdisplay; 5680 timing_out->v_front_porch = mode_in->crtc_vsync_start - mode_in->crtc_vdisplay; 5681 timing_out->v_sync_width = mode_in->crtc_vsync_end - mode_in->crtc_vsync_start; 5682 timing_out->pix_clk_100hz = mode_in->crtc_clock * 10; 5683 } 5684 5685 timing_out->aspect_ratio = get_aspect_ratio(mode_in); 5686 5687 stream->out_transfer_func->type = TF_TYPE_PREDEFINED; 5688 stream->out_transfer_func->tf = TRANSFER_FUNCTION_SRGB; 5689 if (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A) { 5690 if (!adjust_colour_depth_from_display_info(timing_out, info) && 5691 drm_mode_is_420_also(info, mode_in) && 5692 timing_out->pixel_encoding != PIXEL_ENCODING_YCBCR420) { 5693 timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR420; 5694 adjust_colour_depth_from_display_info(timing_out, info); 5695 } 5696 } 5697 5698 stream->output_color_space = get_output_color_space(timing_out, connector_state); 5699 stream->content_type = get_output_content_type(connector_state); 5700 } 5701 5702 static void fill_audio_info(struct audio_info *audio_info, 5703 const struct drm_connector *drm_connector, 5704 const struct dc_sink *dc_sink) 5705 { 5706 int i = 0; 5707 int cea_revision = 0; 5708 const struct dc_edid_caps *edid_caps = &dc_sink->edid_caps; 5709 5710 audio_info->manufacture_id = edid_caps->manufacturer_id; 5711 audio_info->product_id = edid_caps->product_id; 5712 5713 cea_revision = drm_connector->display_info.cea_rev; 5714 5715 strscpy(audio_info->display_name, 5716 edid_caps->display_name, 5717 AUDIO_INFO_DISPLAY_NAME_SIZE_IN_CHARS); 5718 5719 if (cea_revision >= 3) { 5720 audio_info->mode_count = edid_caps->audio_mode_count; 5721 5722 for (i = 0; i < audio_info->mode_count; ++i) { 5723 audio_info->modes[i].format_code = 5724 (enum audio_format_code) 5725 (edid_caps->audio_modes[i].format_code); 5726 audio_info->modes[i].channel_count = 5727 edid_caps->audio_modes[i].channel_count; 5728 audio_info->modes[i].sample_rates.all = 5729 edid_caps->audio_modes[i].sample_rate; 5730 audio_info->modes[i].sample_size = 5731 edid_caps->audio_modes[i].sample_size; 5732 } 5733 } 5734 5735 audio_info->flags.all = edid_caps->speaker_flags; 5736 5737 /* TODO: We only check for the progressive mode, check for interlace mode too */ 5738 if (drm_connector->latency_present[0]) { 5739 audio_info->video_latency = drm_connector->video_latency[0]; 5740 audio_info->audio_latency = drm_connector->audio_latency[0]; 5741 } 5742 5743 /* TODO: For DP, video and audio latency should be calculated from DPCD caps */ 5744 5745 } 5746 5747 static void 5748 copy_crtc_timing_for_drm_display_mode(const struct drm_display_mode *src_mode, 5749 struct drm_display_mode *dst_mode) 5750 { 5751 dst_mode->crtc_hdisplay = src_mode->crtc_hdisplay; 5752 dst_mode->crtc_vdisplay = src_mode->crtc_vdisplay; 5753 dst_mode->crtc_clock = src_mode->crtc_clock; 5754 dst_mode->crtc_hblank_start = src_mode->crtc_hblank_start; 5755 dst_mode->crtc_hblank_end = src_mode->crtc_hblank_end; 5756 dst_mode->crtc_hsync_start = src_mode->crtc_hsync_start; 5757 dst_mode->crtc_hsync_end = src_mode->crtc_hsync_end; 5758 dst_mode->crtc_htotal = src_mode->crtc_htotal; 5759 dst_mode->crtc_hskew = src_mode->crtc_hskew; 5760 dst_mode->crtc_vblank_start = src_mode->crtc_vblank_start; 5761 dst_mode->crtc_vblank_end = src_mode->crtc_vblank_end; 5762 dst_mode->crtc_vsync_start = src_mode->crtc_vsync_start; 5763 dst_mode->crtc_vsync_end = src_mode->crtc_vsync_end; 5764 dst_mode->crtc_vtotal = src_mode->crtc_vtotal; 5765 } 5766 5767 static void 5768 decide_crtc_timing_for_drm_display_mode(struct drm_display_mode *drm_mode, 5769 const struct drm_display_mode *native_mode, 5770 bool scale_enabled) 5771 { 5772 if (scale_enabled) { 5773 copy_crtc_timing_for_drm_display_mode(native_mode, drm_mode); 5774 } else if (native_mode->clock == drm_mode->clock && 5775 native_mode->htotal == drm_mode->htotal && 5776 native_mode->vtotal == drm_mode->vtotal) { 5777 copy_crtc_timing_for_drm_display_mode(native_mode, drm_mode); 5778 } else { 5779 /* no scaling nor amdgpu inserted, no need to patch */ 5780 } 5781 } 5782 5783 static struct dc_sink * 5784 create_fake_sink(struct dc_link *link) 5785 { 5786 struct dc_sink_init_data sink_init_data = { 0 }; 5787 struct dc_sink *sink = NULL; 5788 5789 sink_init_data.link = link; 5790 sink_init_data.sink_signal = link->connector_signal; 5791 5792 sink = dc_sink_create(&sink_init_data); 5793 if (!sink) { 5794 DRM_ERROR("Failed to create sink!\n"); 5795 return NULL; 5796 } 5797 sink->sink_signal = SIGNAL_TYPE_VIRTUAL; 5798 5799 return sink; 5800 } 5801 5802 static void set_multisync_trigger_params( 5803 struct dc_stream_state *stream) 5804 { 5805 struct dc_stream_state *master = NULL; 5806 5807 if (stream->triggered_crtc_reset.enabled) { 5808 master = stream->triggered_crtc_reset.event_source; 5809 stream->triggered_crtc_reset.event = 5810 master->timing.flags.VSYNC_POSITIVE_POLARITY ? 5811 CRTC_EVENT_VSYNC_RISING : CRTC_EVENT_VSYNC_FALLING; 5812 stream->triggered_crtc_reset.delay = TRIGGER_DELAY_NEXT_PIXEL; 5813 } 5814 } 5815 5816 static void set_master_stream(struct dc_stream_state *stream_set[], 5817 int stream_count) 5818 { 5819 int j, highest_rfr = 0, master_stream = 0; 5820 5821 for (j = 0; j < stream_count; j++) { 5822 if (stream_set[j] && stream_set[j]->triggered_crtc_reset.enabled) { 5823 int refresh_rate = 0; 5824 5825 refresh_rate = (stream_set[j]->timing.pix_clk_100hz*100)/ 5826 (stream_set[j]->timing.h_total*stream_set[j]->timing.v_total); 5827 if (refresh_rate > highest_rfr) { 5828 highest_rfr = refresh_rate; 5829 master_stream = j; 5830 } 5831 } 5832 } 5833 for (j = 0; j < stream_count; j++) { 5834 if (stream_set[j]) 5835 stream_set[j]->triggered_crtc_reset.event_source = stream_set[master_stream]; 5836 } 5837 } 5838 5839 static void dm_enable_per_frame_crtc_master_sync(struct dc_state *context) 5840 { 5841 int i = 0; 5842 struct dc_stream_state *stream; 5843 5844 if (context->stream_count < 2) 5845 return; 5846 for (i = 0; i < context->stream_count ; i++) { 5847 if (!context->streams[i]) 5848 continue; 5849 /* 5850 * TODO: add a function to read AMD VSDB bits and set 5851 * crtc_sync_master.multi_sync_enabled flag 5852 * For now it's set to false 5853 */ 5854 } 5855 5856 set_master_stream(context->streams, context->stream_count); 5857 5858 for (i = 0; i < context->stream_count ; i++) { 5859 stream = context->streams[i]; 5860 5861 if (!stream) 5862 continue; 5863 5864 set_multisync_trigger_params(stream); 5865 } 5866 } 5867 5868 /** 5869 * DOC: FreeSync Video 5870 * 5871 * When a userspace application wants to play a video, the content follows a 5872 * standard format definition that usually specifies the FPS for that format. 5873 * The below list illustrates some video format and the expected FPS, 5874 * respectively: 5875 * 5876 * - TV/NTSC (23.976 FPS) 5877 * - Cinema (24 FPS) 5878 * - TV/PAL (25 FPS) 5879 * - TV/NTSC (29.97 FPS) 5880 * - TV/NTSC (30 FPS) 5881 * - Cinema HFR (48 FPS) 5882 * - TV/PAL (50 FPS) 5883 * - Commonly used (60 FPS) 5884 * - Multiples of 24 (48,72,96 FPS) 5885 * 5886 * The list of standards video format is not huge and can be added to the 5887 * connector modeset list beforehand. With that, userspace can leverage 5888 * FreeSync to extends the front porch in order to attain the target refresh 5889 * rate. Such a switch will happen seamlessly, without screen blanking or 5890 * reprogramming of the output in any other way. If the userspace requests a 5891 * modesetting change compatible with FreeSync modes that only differ in the 5892 * refresh rate, DC will skip the full update and avoid blink during the 5893 * transition. For example, the video player can change the modesetting from 5894 * 60Hz to 30Hz for playing TV/NTSC content when it goes full screen without 5895 * causing any display blink. This same concept can be applied to a mode 5896 * setting change. 5897 */ 5898 static struct drm_display_mode * 5899 get_highest_refresh_rate_mode(struct amdgpu_dm_connector *aconnector, 5900 bool use_probed_modes) 5901 { 5902 struct drm_display_mode *m, *m_pref = NULL; 5903 u16 current_refresh, highest_refresh; 5904 struct list_head *list_head = use_probed_modes ? 5905 &aconnector->base.probed_modes : 5906 &aconnector->base.modes; 5907 5908 if (aconnector->freesync_vid_base.clock != 0) 5909 return &aconnector->freesync_vid_base; 5910 5911 /* Find the preferred mode */ 5912 list_for_each_entry(m, list_head, head) { 5913 if (m->type & DRM_MODE_TYPE_PREFERRED) { 5914 m_pref = m; 5915 break; 5916 } 5917 } 5918 5919 if (!m_pref) { 5920 /* Probably an EDID with no preferred mode. Fallback to first entry */ 5921 m_pref = list_first_entry_or_null( 5922 &aconnector->base.modes, struct drm_display_mode, head); 5923 if (!m_pref) { 5924 DRM_DEBUG_DRIVER("No preferred mode found in EDID\n"); 5925 return NULL; 5926 } 5927 } 5928 5929 highest_refresh = drm_mode_vrefresh(m_pref); 5930 5931 /* 5932 * Find the mode with highest refresh rate with same resolution. 5933 * For some monitors, preferred mode is not the mode with highest 5934 * supported refresh rate. 5935 */ 5936 list_for_each_entry(m, list_head, head) { 5937 current_refresh = drm_mode_vrefresh(m); 5938 5939 if (m->hdisplay == m_pref->hdisplay && 5940 m->vdisplay == m_pref->vdisplay && 5941 highest_refresh < current_refresh) { 5942 highest_refresh = current_refresh; 5943 m_pref = m; 5944 } 5945 } 5946 5947 drm_mode_copy(&aconnector->freesync_vid_base, m_pref); 5948 return m_pref; 5949 } 5950 5951 static bool is_freesync_video_mode(const struct drm_display_mode *mode, 5952 struct amdgpu_dm_connector *aconnector) 5953 { 5954 struct drm_display_mode *high_mode; 5955 int timing_diff; 5956 5957 high_mode = get_highest_refresh_rate_mode(aconnector, false); 5958 if (!high_mode || !mode) 5959 return false; 5960 5961 timing_diff = high_mode->vtotal - mode->vtotal; 5962 5963 if (high_mode->clock == 0 || high_mode->clock != mode->clock || 5964 high_mode->hdisplay != mode->hdisplay || 5965 high_mode->vdisplay != mode->vdisplay || 5966 high_mode->hsync_start != mode->hsync_start || 5967 high_mode->hsync_end != mode->hsync_end || 5968 high_mode->htotal != mode->htotal || 5969 high_mode->hskew != mode->hskew || 5970 high_mode->vscan != mode->vscan || 5971 high_mode->vsync_start - mode->vsync_start != timing_diff || 5972 high_mode->vsync_end - mode->vsync_end != timing_diff) 5973 return false; 5974 else 5975 return true; 5976 } 5977 5978 static void update_dsc_caps(struct amdgpu_dm_connector *aconnector, 5979 struct dc_sink *sink, struct dc_stream_state *stream, 5980 struct dsc_dec_dpcd_caps *dsc_caps) 5981 { 5982 stream->timing.flags.DSC = 0; 5983 dsc_caps->is_dsc_supported = false; 5984 5985 if (aconnector->dc_link && (sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT || 5986 sink->sink_signal == SIGNAL_TYPE_EDP)) { 5987 if (sink->link->dpcd_caps.dongle_type == DISPLAY_DONGLE_NONE || 5988 sink->link->dpcd_caps.dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER) 5989 dc_dsc_parse_dsc_dpcd(aconnector->dc_link->ctx->dc, 5990 aconnector->dc_link->dpcd_caps.dsc_caps.dsc_basic_caps.raw, 5991 aconnector->dc_link->dpcd_caps.dsc_caps.dsc_branch_decoder_caps.raw, 5992 dsc_caps); 5993 } 5994 } 5995 5996 5997 static void apply_dsc_policy_for_edp(struct amdgpu_dm_connector *aconnector, 5998 struct dc_sink *sink, struct dc_stream_state *stream, 5999 struct dsc_dec_dpcd_caps *dsc_caps, 6000 uint32_t max_dsc_target_bpp_limit_override) 6001 { 6002 const struct dc_link_settings *verified_link_cap = NULL; 6003 u32 link_bw_in_kbps; 6004 u32 edp_min_bpp_x16, edp_max_bpp_x16; 6005 struct dc *dc = sink->ctx->dc; 6006 struct dc_dsc_bw_range bw_range = {0}; 6007 struct dc_dsc_config dsc_cfg = {0}; 6008 struct dc_dsc_config_options dsc_options = {0}; 6009 6010 dc_dsc_get_default_config_option(dc, &dsc_options); 6011 dsc_options.max_target_bpp_limit_override_x16 = max_dsc_target_bpp_limit_override * 16; 6012 6013 verified_link_cap = dc_link_get_link_cap(stream->link); 6014 link_bw_in_kbps = dc_link_bandwidth_kbps(stream->link, verified_link_cap); 6015 edp_min_bpp_x16 = 8 * 16; 6016 edp_max_bpp_x16 = 8 * 16; 6017 6018 if (edp_max_bpp_x16 > dsc_caps->edp_max_bits_per_pixel) 6019 edp_max_bpp_x16 = dsc_caps->edp_max_bits_per_pixel; 6020 6021 if (edp_max_bpp_x16 < edp_min_bpp_x16) 6022 edp_min_bpp_x16 = edp_max_bpp_x16; 6023 6024 if (dc_dsc_compute_bandwidth_range(dc->res_pool->dscs[0], 6025 dc->debug.dsc_min_slice_height_override, 6026 edp_min_bpp_x16, edp_max_bpp_x16, 6027 dsc_caps, 6028 &stream->timing, 6029 dc_link_get_highest_encoding_format(aconnector->dc_link), 6030 &bw_range)) { 6031 6032 if (bw_range.max_kbps < link_bw_in_kbps) { 6033 if (dc_dsc_compute_config(dc->res_pool->dscs[0], 6034 dsc_caps, 6035 &dsc_options, 6036 0, 6037 &stream->timing, 6038 dc_link_get_highest_encoding_format(aconnector->dc_link), 6039 &dsc_cfg)) { 6040 stream->timing.dsc_cfg = dsc_cfg; 6041 stream->timing.flags.DSC = 1; 6042 stream->timing.dsc_cfg.bits_per_pixel = edp_max_bpp_x16; 6043 } 6044 return; 6045 } 6046 } 6047 6048 if (dc_dsc_compute_config(dc->res_pool->dscs[0], 6049 dsc_caps, 6050 &dsc_options, 6051 link_bw_in_kbps, 6052 &stream->timing, 6053 dc_link_get_highest_encoding_format(aconnector->dc_link), 6054 &dsc_cfg)) { 6055 stream->timing.dsc_cfg = dsc_cfg; 6056 stream->timing.flags.DSC = 1; 6057 } 6058 } 6059 6060 6061 static void apply_dsc_policy_for_stream(struct amdgpu_dm_connector *aconnector, 6062 struct dc_sink *sink, struct dc_stream_state *stream, 6063 struct dsc_dec_dpcd_caps *dsc_caps) 6064 { 6065 struct drm_connector *drm_connector = &aconnector->base; 6066 u32 link_bandwidth_kbps; 6067 struct dc *dc = sink->ctx->dc; 6068 u32 max_supported_bw_in_kbps, timing_bw_in_kbps; 6069 u32 dsc_max_supported_bw_in_kbps; 6070 u32 max_dsc_target_bpp_limit_override = 6071 drm_connector->display_info.max_dsc_bpp; 6072 struct dc_dsc_config_options dsc_options = {0}; 6073 6074 dc_dsc_get_default_config_option(dc, &dsc_options); 6075 dsc_options.max_target_bpp_limit_override_x16 = max_dsc_target_bpp_limit_override * 16; 6076 6077 link_bandwidth_kbps = dc_link_bandwidth_kbps(aconnector->dc_link, 6078 dc_link_get_link_cap(aconnector->dc_link)); 6079 6080 /* Set DSC policy according to dsc_clock_en */ 6081 dc_dsc_policy_set_enable_dsc_when_not_needed( 6082 aconnector->dsc_settings.dsc_force_enable == DSC_CLK_FORCE_ENABLE); 6083 6084 if (aconnector->dc_link && sink->sink_signal == SIGNAL_TYPE_EDP && 6085 !aconnector->dc_link->panel_config.dsc.disable_dsc_edp && 6086 dc->caps.edp_dsc_support && aconnector->dsc_settings.dsc_force_enable != DSC_CLK_FORCE_DISABLE) { 6087 6088 apply_dsc_policy_for_edp(aconnector, sink, stream, dsc_caps, max_dsc_target_bpp_limit_override); 6089 6090 } else if (aconnector->dc_link && sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT) { 6091 if (sink->link->dpcd_caps.dongle_type == DISPLAY_DONGLE_NONE) { 6092 if (dc_dsc_compute_config(aconnector->dc_link->ctx->dc->res_pool->dscs[0], 6093 dsc_caps, 6094 &dsc_options, 6095 link_bandwidth_kbps, 6096 &stream->timing, 6097 dc_link_get_highest_encoding_format(aconnector->dc_link), 6098 &stream->timing.dsc_cfg)) { 6099 stream->timing.flags.DSC = 1; 6100 DRM_DEBUG_DRIVER("%s: [%s] DSC is selected from SST RX\n", __func__, drm_connector->name); 6101 } 6102 } else if (sink->link->dpcd_caps.dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER) { 6103 timing_bw_in_kbps = dc_bandwidth_in_kbps_from_timing(&stream->timing, 6104 dc_link_get_highest_encoding_format(aconnector->dc_link)); 6105 max_supported_bw_in_kbps = link_bandwidth_kbps; 6106 dsc_max_supported_bw_in_kbps = link_bandwidth_kbps; 6107 6108 if (timing_bw_in_kbps > max_supported_bw_in_kbps && 6109 max_supported_bw_in_kbps > 0 && 6110 dsc_max_supported_bw_in_kbps > 0) 6111 if (dc_dsc_compute_config(aconnector->dc_link->ctx->dc->res_pool->dscs[0], 6112 dsc_caps, 6113 &dsc_options, 6114 dsc_max_supported_bw_in_kbps, 6115 &stream->timing, 6116 dc_link_get_highest_encoding_format(aconnector->dc_link), 6117 &stream->timing.dsc_cfg)) { 6118 stream->timing.flags.DSC = 1; 6119 DRM_DEBUG_DRIVER("%s: [%s] DSC is selected from DP-HDMI PCON\n", 6120 __func__, drm_connector->name); 6121 } 6122 } 6123 } 6124 6125 /* Overwrite the stream flag if DSC is enabled through debugfs */ 6126 if (aconnector->dsc_settings.dsc_force_enable == DSC_CLK_FORCE_ENABLE) 6127 stream->timing.flags.DSC = 1; 6128 6129 if (stream->timing.flags.DSC && aconnector->dsc_settings.dsc_num_slices_h) 6130 stream->timing.dsc_cfg.num_slices_h = aconnector->dsc_settings.dsc_num_slices_h; 6131 6132 if (stream->timing.flags.DSC && aconnector->dsc_settings.dsc_num_slices_v) 6133 stream->timing.dsc_cfg.num_slices_v = aconnector->dsc_settings.dsc_num_slices_v; 6134 6135 if (stream->timing.flags.DSC && aconnector->dsc_settings.dsc_bits_per_pixel) 6136 stream->timing.dsc_cfg.bits_per_pixel = aconnector->dsc_settings.dsc_bits_per_pixel; 6137 } 6138 6139 static struct dc_stream_state * 6140 create_stream_for_sink(struct drm_connector *connector, 6141 const struct drm_display_mode *drm_mode, 6142 const struct dm_connector_state *dm_state, 6143 const struct dc_stream_state *old_stream, 6144 int requested_bpc) 6145 { 6146 struct amdgpu_dm_connector *aconnector = NULL; 6147 struct drm_display_mode *preferred_mode = NULL; 6148 const struct drm_connector_state *con_state = &dm_state->base; 6149 struct dc_stream_state *stream = NULL; 6150 struct drm_display_mode mode; 6151 struct drm_display_mode saved_mode; 6152 struct drm_display_mode *freesync_mode = NULL; 6153 bool native_mode_found = false; 6154 bool recalculate_timing = false; 6155 bool scale = dm_state->scaling != RMX_OFF; 6156 int mode_refresh; 6157 int preferred_refresh = 0; 6158 enum color_transfer_func tf = TRANSFER_FUNC_UNKNOWN; 6159 struct dsc_dec_dpcd_caps dsc_caps; 6160 6161 struct dc_link *link = NULL; 6162 struct dc_sink *sink = NULL; 6163 6164 drm_mode_init(&mode, drm_mode); 6165 memset(&saved_mode, 0, sizeof(saved_mode)); 6166 6167 if (connector == NULL) { 6168 DRM_ERROR("connector is NULL!\n"); 6169 return stream; 6170 } 6171 6172 if (connector->connector_type != DRM_MODE_CONNECTOR_WRITEBACK) { 6173 aconnector = NULL; 6174 aconnector = to_amdgpu_dm_connector(connector); 6175 link = aconnector->dc_link; 6176 } else { 6177 struct drm_writeback_connector *wbcon = NULL; 6178 struct amdgpu_dm_wb_connector *dm_wbcon = NULL; 6179 6180 wbcon = drm_connector_to_writeback(connector); 6181 dm_wbcon = to_amdgpu_dm_wb_connector(wbcon); 6182 link = dm_wbcon->link; 6183 } 6184 6185 if (!aconnector || !aconnector->dc_sink) { 6186 sink = create_fake_sink(link); 6187 if (!sink) 6188 return stream; 6189 6190 } else { 6191 sink = aconnector->dc_sink; 6192 dc_sink_retain(sink); 6193 } 6194 6195 stream = dc_create_stream_for_sink(sink); 6196 6197 if (stream == NULL) { 6198 DRM_ERROR("Failed to create stream for sink!\n"); 6199 goto finish; 6200 } 6201 6202 /* We leave this NULL for writeback connectors */ 6203 stream->dm_stream_context = aconnector; 6204 6205 stream->timing.flags.LTE_340MCSC_SCRAMBLE = 6206 connector->display_info.hdmi.scdc.scrambling.low_rates; 6207 6208 list_for_each_entry(preferred_mode, &connector->modes, head) { 6209 /* Search for preferred mode */ 6210 if (preferred_mode->type & DRM_MODE_TYPE_PREFERRED) { 6211 native_mode_found = true; 6212 break; 6213 } 6214 } 6215 if (!native_mode_found) 6216 preferred_mode = list_first_entry_or_null( 6217 &connector->modes, 6218 struct drm_display_mode, 6219 head); 6220 6221 mode_refresh = drm_mode_vrefresh(&mode); 6222 6223 if (preferred_mode == NULL) { 6224 /* 6225 * This may not be an error, the use case is when we have no 6226 * usermode calls to reset and set mode upon hotplug. In this 6227 * case, we call set mode ourselves to restore the previous mode 6228 * and the modelist may not be filled in time. 6229 */ 6230 DRM_DEBUG_DRIVER("No preferred mode found\n"); 6231 } else if (aconnector) { 6232 recalculate_timing = is_freesync_video_mode(&mode, aconnector); 6233 if (recalculate_timing) { 6234 freesync_mode = get_highest_refresh_rate_mode(aconnector, false); 6235 drm_mode_copy(&saved_mode, &mode); 6236 saved_mode.picture_aspect_ratio = mode.picture_aspect_ratio; 6237 drm_mode_copy(&mode, freesync_mode); 6238 mode.picture_aspect_ratio = saved_mode.picture_aspect_ratio; 6239 } else { 6240 decide_crtc_timing_for_drm_display_mode( 6241 &mode, preferred_mode, scale); 6242 6243 preferred_refresh = drm_mode_vrefresh(preferred_mode); 6244 } 6245 } 6246 6247 if (recalculate_timing) 6248 drm_mode_set_crtcinfo(&saved_mode, 0); 6249 6250 /* 6251 * If scaling is enabled and refresh rate didn't change 6252 * we copy the vic and polarities of the old timings 6253 */ 6254 if (!scale || mode_refresh != preferred_refresh) 6255 fill_stream_properties_from_drm_display_mode( 6256 stream, &mode, connector, con_state, NULL, 6257 requested_bpc); 6258 else 6259 fill_stream_properties_from_drm_display_mode( 6260 stream, &mode, connector, con_state, old_stream, 6261 requested_bpc); 6262 6263 /* The rest isn't needed for writeback connectors */ 6264 if (!aconnector) 6265 goto finish; 6266 6267 if (aconnector->timing_changed) { 6268 drm_dbg(aconnector->base.dev, 6269 "overriding timing for automated test, bpc %d, changing to %d\n", 6270 stream->timing.display_color_depth, 6271 aconnector->timing_requested->display_color_depth); 6272 stream->timing = *aconnector->timing_requested; 6273 } 6274 6275 /* SST DSC determination policy */ 6276 update_dsc_caps(aconnector, sink, stream, &dsc_caps); 6277 if (aconnector->dsc_settings.dsc_force_enable != DSC_CLK_FORCE_DISABLE && dsc_caps.is_dsc_supported) 6278 apply_dsc_policy_for_stream(aconnector, sink, stream, &dsc_caps); 6279 6280 update_stream_scaling_settings(&mode, dm_state, stream); 6281 6282 fill_audio_info( 6283 &stream->audio_info, 6284 connector, 6285 sink); 6286 6287 update_stream_signal(stream, sink); 6288 6289 if (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A) 6290 mod_build_hf_vsif_infopacket(stream, &stream->vsp_infopacket); 6291 else if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT || 6292 stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST || 6293 stream->signal == SIGNAL_TYPE_EDP) { 6294 // 6295 // should decide stream support vsc sdp colorimetry capability 6296 // before building vsc info packet 6297 // 6298 stream->use_vsc_sdp_for_colorimetry = false; 6299 if (aconnector->dc_sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT_MST) { 6300 stream->use_vsc_sdp_for_colorimetry = 6301 aconnector->dc_sink->is_vsc_sdp_colorimetry_supported; 6302 } else { 6303 if (stream->link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED) 6304 stream->use_vsc_sdp_for_colorimetry = true; 6305 } 6306 if (stream->out_transfer_func->tf == TRANSFER_FUNCTION_GAMMA22) 6307 tf = TRANSFER_FUNC_GAMMA_22; 6308 mod_build_vsc_infopacket(stream, &stream->vsc_infopacket, stream->output_color_space, tf); 6309 6310 if (stream->link->psr_settings.psr_feature_enabled) 6311 aconnector->psr_skip_count = AMDGPU_DM_PSR_ENTRY_DELAY; 6312 } 6313 finish: 6314 dc_sink_release(sink); 6315 6316 return stream; 6317 } 6318 6319 static enum drm_connector_status 6320 amdgpu_dm_connector_detect(struct drm_connector *connector, bool force) 6321 { 6322 bool connected; 6323 struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); 6324 6325 /* 6326 * Notes: 6327 * 1. This interface is NOT called in context of HPD irq. 6328 * 2. This interface *is called* in context of user-mode ioctl. Which 6329 * makes it a bad place for *any* MST-related activity. 6330 */ 6331 6332 if (aconnector->base.force == DRM_FORCE_UNSPECIFIED && 6333 !aconnector->fake_enable) 6334 connected = (aconnector->dc_sink != NULL); 6335 else 6336 connected = (aconnector->base.force == DRM_FORCE_ON || 6337 aconnector->base.force == DRM_FORCE_ON_DIGITAL); 6338 6339 update_subconnector_property(aconnector); 6340 6341 return (connected ? connector_status_connected : 6342 connector_status_disconnected); 6343 } 6344 6345 int amdgpu_dm_connector_atomic_set_property(struct drm_connector *connector, 6346 struct drm_connector_state *connector_state, 6347 struct drm_property *property, 6348 uint64_t val) 6349 { 6350 struct drm_device *dev = connector->dev; 6351 struct amdgpu_device *adev = drm_to_adev(dev); 6352 struct dm_connector_state *dm_old_state = 6353 to_dm_connector_state(connector->state); 6354 struct dm_connector_state *dm_new_state = 6355 to_dm_connector_state(connector_state); 6356 6357 int ret = -EINVAL; 6358 6359 if (property == dev->mode_config.scaling_mode_property) { 6360 enum amdgpu_rmx_type rmx_type; 6361 6362 switch (val) { 6363 case DRM_MODE_SCALE_CENTER: 6364 rmx_type = RMX_CENTER; 6365 break; 6366 case DRM_MODE_SCALE_ASPECT: 6367 rmx_type = RMX_ASPECT; 6368 break; 6369 case DRM_MODE_SCALE_FULLSCREEN: 6370 rmx_type = RMX_FULL; 6371 break; 6372 case DRM_MODE_SCALE_NONE: 6373 default: 6374 rmx_type = RMX_OFF; 6375 break; 6376 } 6377 6378 if (dm_old_state->scaling == rmx_type) 6379 return 0; 6380 6381 dm_new_state->scaling = rmx_type; 6382 ret = 0; 6383 } else if (property == adev->mode_info.underscan_hborder_property) { 6384 dm_new_state->underscan_hborder = val; 6385 ret = 0; 6386 } else if (property == adev->mode_info.underscan_vborder_property) { 6387 dm_new_state->underscan_vborder = val; 6388 ret = 0; 6389 } else if (property == adev->mode_info.underscan_property) { 6390 dm_new_state->underscan_enable = val; 6391 ret = 0; 6392 } else if (property == adev->mode_info.abm_level_property) { 6393 dm_new_state->abm_level = val ?: ABM_LEVEL_IMMEDIATE_DISABLE; 6394 ret = 0; 6395 } 6396 6397 return ret; 6398 } 6399 6400 int amdgpu_dm_connector_atomic_get_property(struct drm_connector *connector, 6401 const struct drm_connector_state *state, 6402 struct drm_property *property, 6403 uint64_t *val) 6404 { 6405 struct drm_device *dev = connector->dev; 6406 struct amdgpu_device *adev = drm_to_adev(dev); 6407 struct dm_connector_state *dm_state = 6408 to_dm_connector_state(state); 6409 int ret = -EINVAL; 6410 6411 if (property == dev->mode_config.scaling_mode_property) { 6412 switch (dm_state->scaling) { 6413 case RMX_CENTER: 6414 *val = DRM_MODE_SCALE_CENTER; 6415 break; 6416 case RMX_ASPECT: 6417 *val = DRM_MODE_SCALE_ASPECT; 6418 break; 6419 case RMX_FULL: 6420 *val = DRM_MODE_SCALE_FULLSCREEN; 6421 break; 6422 case RMX_OFF: 6423 default: 6424 *val = DRM_MODE_SCALE_NONE; 6425 break; 6426 } 6427 ret = 0; 6428 } else if (property == adev->mode_info.underscan_hborder_property) { 6429 *val = dm_state->underscan_hborder; 6430 ret = 0; 6431 } else if (property == adev->mode_info.underscan_vborder_property) { 6432 *val = dm_state->underscan_vborder; 6433 ret = 0; 6434 } else if (property == adev->mode_info.underscan_property) { 6435 *val = dm_state->underscan_enable; 6436 ret = 0; 6437 } else if (property == adev->mode_info.abm_level_property) { 6438 *val = (dm_state->abm_level != ABM_LEVEL_IMMEDIATE_DISABLE) ? 6439 dm_state->abm_level : 0; 6440 ret = 0; 6441 } 6442 6443 return ret; 6444 } 6445 6446 /** 6447 * DOC: panel power savings 6448 * 6449 * The display manager allows you to set your desired **panel power savings** 6450 * level (between 0-4, with 0 representing off), e.g. using the following:: 6451 * 6452 * # echo 3 > /sys/class/drm/card0-eDP-1/amdgpu/panel_power_savings 6453 * 6454 * Modifying this value can have implications on color accuracy, so tread 6455 * carefully. 6456 */ 6457 6458 static ssize_t panel_power_savings_show(struct device *device, 6459 struct device_attribute *attr, 6460 char *buf) 6461 { 6462 struct drm_connector *connector = dev_get_drvdata(device); 6463 struct drm_device *dev = connector->dev; 6464 u8 val; 6465 6466 drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); 6467 val = to_dm_connector_state(connector->state)->abm_level == 6468 ABM_LEVEL_IMMEDIATE_DISABLE ? 0 : 6469 to_dm_connector_state(connector->state)->abm_level; 6470 drm_modeset_unlock(&dev->mode_config.connection_mutex); 6471 6472 return sysfs_emit(buf, "%u\n", val); 6473 } 6474 6475 static ssize_t panel_power_savings_store(struct device *device, 6476 struct device_attribute *attr, 6477 const char *buf, size_t count) 6478 { 6479 struct drm_connector *connector = dev_get_drvdata(device); 6480 struct drm_device *dev = connector->dev; 6481 long val; 6482 int ret; 6483 6484 ret = kstrtol(buf, 0, &val); 6485 6486 if (ret) 6487 return ret; 6488 6489 if (val < 0 || val > 4) 6490 return -EINVAL; 6491 6492 drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); 6493 to_dm_connector_state(connector->state)->abm_level = val ?: 6494 ABM_LEVEL_IMMEDIATE_DISABLE; 6495 drm_modeset_unlock(&dev->mode_config.connection_mutex); 6496 6497 drm_kms_helper_hotplug_event(dev); 6498 6499 return count; 6500 } 6501 6502 static DEVICE_ATTR_RW(panel_power_savings); 6503 6504 static struct attribute *amdgpu_attrs[] = { 6505 &dev_attr_panel_power_savings.attr, 6506 NULL 6507 }; 6508 6509 static const struct attribute_group amdgpu_group = { 6510 .name = "amdgpu", 6511 .attrs = amdgpu_attrs 6512 }; 6513 6514 static void amdgpu_dm_connector_unregister(struct drm_connector *connector) 6515 { 6516 struct amdgpu_dm_connector *amdgpu_dm_connector = to_amdgpu_dm_connector(connector); 6517 6518 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP && 6519 amdgpu_dm_abm_level < 0) 6520 sysfs_remove_group(&connector->kdev->kobj, &amdgpu_group); 6521 6522 drm_dp_aux_unregister(&amdgpu_dm_connector->dm_dp_aux.aux); 6523 } 6524 6525 static void amdgpu_dm_connector_destroy(struct drm_connector *connector) 6526 { 6527 struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); 6528 struct amdgpu_device *adev = drm_to_adev(connector->dev); 6529 struct amdgpu_display_manager *dm = &adev->dm; 6530 6531 /* 6532 * Call only if mst_mgr was initialized before since it's not done 6533 * for all connector types. 6534 */ 6535 if (aconnector->mst_mgr.dev) 6536 drm_dp_mst_topology_mgr_destroy(&aconnector->mst_mgr); 6537 6538 if (aconnector->bl_idx != -1) { 6539 backlight_device_unregister(dm->backlight_dev[aconnector->bl_idx]); 6540 dm->backlight_dev[aconnector->bl_idx] = NULL; 6541 } 6542 6543 if (aconnector->dc_em_sink) 6544 dc_sink_release(aconnector->dc_em_sink); 6545 aconnector->dc_em_sink = NULL; 6546 if (aconnector->dc_sink) 6547 dc_sink_release(aconnector->dc_sink); 6548 aconnector->dc_sink = NULL; 6549 6550 drm_dp_cec_unregister_connector(&aconnector->dm_dp_aux.aux); 6551 drm_connector_unregister(connector); 6552 drm_connector_cleanup(connector); 6553 if (aconnector->i2c) { 6554 i2c_del_adapter(&aconnector->i2c->base); 6555 kfree(aconnector->i2c); 6556 } 6557 kfree(aconnector->dm_dp_aux.aux.name); 6558 6559 kfree(connector); 6560 } 6561 6562 void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector) 6563 { 6564 struct dm_connector_state *state = 6565 to_dm_connector_state(connector->state); 6566 6567 if (connector->state) 6568 __drm_atomic_helper_connector_destroy_state(connector->state); 6569 6570 kfree(state); 6571 6572 state = kzalloc(sizeof(*state), GFP_KERNEL); 6573 6574 if (state) { 6575 state->scaling = RMX_OFF; 6576 state->underscan_enable = false; 6577 state->underscan_hborder = 0; 6578 state->underscan_vborder = 0; 6579 state->base.max_requested_bpc = 8; 6580 state->vcpi_slots = 0; 6581 state->pbn = 0; 6582 6583 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { 6584 if (amdgpu_dm_abm_level <= 0) 6585 state->abm_level = ABM_LEVEL_IMMEDIATE_DISABLE; 6586 else 6587 state->abm_level = amdgpu_dm_abm_level; 6588 } 6589 6590 __drm_atomic_helper_connector_reset(connector, &state->base); 6591 } 6592 } 6593 6594 struct drm_connector_state * 6595 amdgpu_dm_connector_atomic_duplicate_state(struct drm_connector *connector) 6596 { 6597 struct dm_connector_state *state = 6598 to_dm_connector_state(connector->state); 6599 6600 struct dm_connector_state *new_state = 6601 kmemdup(state, sizeof(*state), GFP_KERNEL); 6602 6603 if (!new_state) 6604 return NULL; 6605 6606 __drm_atomic_helper_connector_duplicate_state(connector, &new_state->base); 6607 6608 new_state->freesync_capable = state->freesync_capable; 6609 new_state->abm_level = state->abm_level; 6610 new_state->scaling = state->scaling; 6611 new_state->underscan_enable = state->underscan_enable; 6612 new_state->underscan_hborder = state->underscan_hborder; 6613 new_state->underscan_vborder = state->underscan_vborder; 6614 new_state->vcpi_slots = state->vcpi_slots; 6615 new_state->pbn = state->pbn; 6616 return &new_state->base; 6617 } 6618 6619 static int 6620 amdgpu_dm_connector_late_register(struct drm_connector *connector) 6621 { 6622 struct amdgpu_dm_connector *amdgpu_dm_connector = 6623 to_amdgpu_dm_connector(connector); 6624 int r; 6625 6626 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP && 6627 amdgpu_dm_abm_level < 0) { 6628 r = sysfs_create_group(&connector->kdev->kobj, 6629 &amdgpu_group); 6630 if (r) 6631 return r; 6632 } 6633 6634 amdgpu_dm_register_backlight_device(amdgpu_dm_connector); 6635 6636 if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) || 6637 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) { 6638 amdgpu_dm_connector->dm_dp_aux.aux.dev = connector->kdev; 6639 r = drm_dp_aux_register(&amdgpu_dm_connector->dm_dp_aux.aux); 6640 if (r) 6641 return r; 6642 } 6643 6644 #if defined(CONFIG_DEBUG_FS) 6645 connector_debugfs_init(amdgpu_dm_connector); 6646 #endif 6647 6648 return 0; 6649 } 6650 6651 static void amdgpu_dm_connector_funcs_force(struct drm_connector *connector) 6652 { 6653 struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); 6654 struct dc_link *dc_link = aconnector->dc_link; 6655 struct dc_sink *dc_em_sink = aconnector->dc_em_sink; 6656 struct edid *edid; 6657 struct i2c_adapter *ddc; 6658 6659 if (dc_link->aux_mode) 6660 ddc = &aconnector->dm_dp_aux.aux.ddc; 6661 else 6662 ddc = &aconnector->i2c->base; 6663 6664 /* 6665 * Note: drm_get_edid gets edid in the following order: 6666 * 1) override EDID if set via edid_override debugfs, 6667 * 2) firmware EDID if set via edid_firmware module parameter 6668 * 3) regular DDC read. 6669 */ 6670 edid = drm_get_edid(connector, ddc); 6671 if (!edid) { 6672 DRM_ERROR("No EDID found on connector: %s.\n", connector->name); 6673 return; 6674 } 6675 6676 aconnector->edid = edid; 6677 6678 /* Update emulated (virtual) sink's EDID */ 6679 if (dc_em_sink && dc_link) { 6680 memset(&dc_em_sink->edid_caps, 0, sizeof(struct dc_edid_caps)); 6681 memmove(dc_em_sink->dc_edid.raw_edid, edid, (edid->extensions + 1) * EDID_LENGTH); 6682 dm_helpers_parse_edid_caps( 6683 dc_link, 6684 &dc_em_sink->dc_edid, 6685 &dc_em_sink->edid_caps); 6686 } 6687 } 6688 6689 static const struct drm_connector_funcs amdgpu_dm_connector_funcs = { 6690 .reset = amdgpu_dm_connector_funcs_reset, 6691 .detect = amdgpu_dm_connector_detect, 6692 .fill_modes = drm_helper_probe_single_connector_modes, 6693 .destroy = amdgpu_dm_connector_destroy, 6694 .atomic_duplicate_state = amdgpu_dm_connector_atomic_duplicate_state, 6695 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, 6696 .atomic_set_property = amdgpu_dm_connector_atomic_set_property, 6697 .atomic_get_property = amdgpu_dm_connector_atomic_get_property, 6698 .late_register = amdgpu_dm_connector_late_register, 6699 .early_unregister = amdgpu_dm_connector_unregister, 6700 .force = amdgpu_dm_connector_funcs_force 6701 }; 6702 6703 static int get_modes(struct drm_connector *connector) 6704 { 6705 return amdgpu_dm_connector_get_modes(connector); 6706 } 6707 6708 static void create_eml_sink(struct amdgpu_dm_connector *aconnector) 6709 { 6710 struct drm_connector *connector = &aconnector->base; 6711 struct dc_link *dc_link = aconnector->dc_link; 6712 struct dc_sink_init_data init_params = { 6713 .link = aconnector->dc_link, 6714 .sink_signal = SIGNAL_TYPE_VIRTUAL 6715 }; 6716 struct edid *edid; 6717 struct i2c_adapter *ddc; 6718 6719 if (dc_link->aux_mode) 6720 ddc = &aconnector->dm_dp_aux.aux.ddc; 6721 else 6722 ddc = &aconnector->i2c->base; 6723 6724 /* 6725 * Note: drm_get_edid gets edid in the following order: 6726 * 1) override EDID if set via edid_override debugfs, 6727 * 2) firmware EDID if set via edid_firmware module parameter 6728 * 3) regular DDC read. 6729 */ 6730 edid = drm_get_edid(connector, ddc); 6731 if (!edid) { 6732 DRM_ERROR("No EDID found on connector: %s.\n", connector->name); 6733 return; 6734 } 6735 6736 if (drm_detect_hdmi_monitor(edid)) 6737 init_params.sink_signal = SIGNAL_TYPE_HDMI_TYPE_A; 6738 6739 aconnector->edid = edid; 6740 6741 aconnector->dc_em_sink = dc_link_add_remote_sink( 6742 aconnector->dc_link, 6743 (uint8_t *)edid, 6744 (edid->extensions + 1) * EDID_LENGTH, 6745 &init_params); 6746 6747 if (aconnector->base.force == DRM_FORCE_ON) { 6748 aconnector->dc_sink = aconnector->dc_link->local_sink ? 6749 aconnector->dc_link->local_sink : 6750 aconnector->dc_em_sink; 6751 dc_sink_retain(aconnector->dc_sink); 6752 } 6753 } 6754 6755 static void handle_edid_mgmt(struct amdgpu_dm_connector *aconnector) 6756 { 6757 struct dc_link *link = (struct dc_link *)aconnector->dc_link; 6758 6759 /* 6760 * In case of headless boot with force on for DP managed connector 6761 * Those settings have to be != 0 to get initial modeset 6762 */ 6763 if (link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT) { 6764 link->verified_link_cap.lane_count = LANE_COUNT_FOUR; 6765 link->verified_link_cap.link_rate = LINK_RATE_HIGH2; 6766 } 6767 6768 create_eml_sink(aconnector); 6769 } 6770 6771 static enum dc_status dm_validate_stream_and_context(struct dc *dc, 6772 struct dc_stream_state *stream) 6773 { 6774 enum dc_status dc_result = DC_ERROR_UNEXPECTED; 6775 struct dc_plane_state *dc_plane_state = NULL; 6776 struct dc_state *dc_state = NULL; 6777 6778 if (!stream) 6779 goto cleanup; 6780 6781 dc_plane_state = dc_create_plane_state(dc); 6782 if (!dc_plane_state) 6783 goto cleanup; 6784 6785 dc_state = dc_state_create(dc); 6786 if (!dc_state) 6787 goto cleanup; 6788 6789 /* populate stream to plane */ 6790 dc_plane_state->src_rect.height = stream->src.height; 6791 dc_plane_state->src_rect.width = stream->src.width; 6792 dc_plane_state->dst_rect.height = stream->src.height; 6793 dc_plane_state->dst_rect.width = stream->src.width; 6794 dc_plane_state->clip_rect.height = stream->src.height; 6795 dc_plane_state->clip_rect.width = stream->src.width; 6796 dc_plane_state->plane_size.surface_pitch = ((stream->src.width + 255) / 256) * 256; 6797 dc_plane_state->plane_size.surface_size.height = stream->src.height; 6798 dc_plane_state->plane_size.surface_size.width = stream->src.width; 6799 dc_plane_state->plane_size.chroma_size.height = stream->src.height; 6800 dc_plane_state->plane_size.chroma_size.width = stream->src.width; 6801 dc_plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_ARGB8888; 6802 dc_plane_state->tiling_info.gfx9.swizzle = DC_SW_UNKNOWN; 6803 dc_plane_state->rotation = ROTATION_ANGLE_0; 6804 dc_plane_state->is_tiling_rotated = false; 6805 dc_plane_state->tiling_info.gfx8.array_mode = DC_ARRAY_LINEAR_GENERAL; 6806 6807 dc_result = dc_validate_stream(dc, stream); 6808 if (dc_result == DC_OK) 6809 dc_result = dc_validate_plane(dc, dc_plane_state); 6810 6811 if (dc_result == DC_OK) 6812 dc_result = dc_state_add_stream(dc, dc_state, stream); 6813 6814 if (dc_result == DC_OK && !dc_state_add_plane( 6815 dc, 6816 stream, 6817 dc_plane_state, 6818 dc_state)) 6819 dc_result = DC_FAIL_ATTACH_SURFACES; 6820 6821 if (dc_result == DC_OK) 6822 dc_result = dc_validate_global_state(dc, dc_state, true); 6823 6824 cleanup: 6825 if (dc_state) 6826 dc_state_release(dc_state); 6827 6828 if (dc_plane_state) 6829 dc_plane_state_release(dc_plane_state); 6830 6831 return dc_result; 6832 } 6833 6834 struct dc_stream_state * 6835 create_validate_stream_for_sink(struct amdgpu_dm_connector *aconnector, 6836 const struct drm_display_mode *drm_mode, 6837 const struct dm_connector_state *dm_state, 6838 const struct dc_stream_state *old_stream) 6839 { 6840 struct drm_connector *connector = &aconnector->base; 6841 struct amdgpu_device *adev = drm_to_adev(connector->dev); 6842 struct dc_stream_state *stream; 6843 const struct drm_connector_state *drm_state = dm_state ? &dm_state->base : NULL; 6844 int requested_bpc = drm_state ? drm_state->max_requested_bpc : 8; 6845 enum dc_status dc_result = DC_OK; 6846 6847 do { 6848 stream = create_stream_for_sink(connector, drm_mode, 6849 dm_state, old_stream, 6850 requested_bpc); 6851 if (stream == NULL) { 6852 DRM_ERROR("Failed to create stream for sink!\n"); 6853 break; 6854 } 6855 6856 if (aconnector->base.connector_type == DRM_MODE_CONNECTOR_WRITEBACK) 6857 return stream; 6858 6859 dc_result = dc_validate_stream(adev->dm.dc, stream); 6860 if (dc_result == DC_OK && stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) 6861 dc_result = dm_dp_mst_is_port_support_mode(aconnector, stream); 6862 6863 if (dc_result == DC_OK) 6864 dc_result = dm_validate_stream_and_context(adev->dm.dc, stream); 6865 6866 if (dc_result != DC_OK) { 6867 DRM_DEBUG_KMS("Mode %dx%d (clk %d) failed DC validation with error %d (%s)\n", 6868 drm_mode->hdisplay, 6869 drm_mode->vdisplay, 6870 drm_mode->clock, 6871 dc_result, 6872 dc_status_to_str(dc_result)); 6873 6874 dc_stream_release(stream); 6875 stream = NULL; 6876 requested_bpc -= 2; /* lower bpc to retry validation */ 6877 } 6878 6879 } while (stream == NULL && requested_bpc >= 6); 6880 6881 if (dc_result == DC_FAIL_ENC_VALIDATE && !aconnector->force_yuv420_output) { 6882 DRM_DEBUG_KMS("Retry forcing YCbCr420 encoding\n"); 6883 6884 aconnector->force_yuv420_output = true; 6885 stream = create_validate_stream_for_sink(aconnector, drm_mode, 6886 dm_state, old_stream); 6887 aconnector->force_yuv420_output = false; 6888 } 6889 6890 return stream; 6891 } 6892 6893 enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connector, 6894 struct drm_display_mode *mode) 6895 { 6896 int result = MODE_ERROR; 6897 struct dc_sink *dc_sink; 6898 /* TODO: Unhardcode stream count */ 6899 struct dc_stream_state *stream; 6900 struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); 6901 6902 if ((mode->flags & DRM_MODE_FLAG_INTERLACE) || 6903 (mode->flags & DRM_MODE_FLAG_DBLSCAN)) 6904 return result; 6905 6906 /* 6907 * Only run this the first time mode_valid is called to initilialize 6908 * EDID mgmt 6909 */ 6910 if (aconnector->base.force != DRM_FORCE_UNSPECIFIED && 6911 !aconnector->dc_em_sink) 6912 handle_edid_mgmt(aconnector); 6913 6914 dc_sink = to_amdgpu_dm_connector(connector)->dc_sink; 6915 6916 if (dc_sink == NULL && aconnector->base.force != DRM_FORCE_ON_DIGITAL && 6917 aconnector->base.force != DRM_FORCE_ON) { 6918 DRM_ERROR("dc_sink is NULL!\n"); 6919 goto fail; 6920 } 6921 6922 drm_mode_set_crtcinfo(mode, 0); 6923 6924 stream = create_validate_stream_for_sink(aconnector, mode, 6925 to_dm_connector_state(connector->state), 6926 NULL); 6927 if (stream) { 6928 dc_stream_release(stream); 6929 result = MODE_OK; 6930 } 6931 6932 fail: 6933 /* TODO: error handling*/ 6934 return result; 6935 } 6936 6937 static int fill_hdr_info_packet(const struct drm_connector_state *state, 6938 struct dc_info_packet *out) 6939 { 6940 struct hdmi_drm_infoframe frame; 6941 unsigned char buf[30]; /* 26 + 4 */ 6942 ssize_t len; 6943 int ret, i; 6944 6945 memset(out, 0, sizeof(*out)); 6946 6947 if (!state->hdr_output_metadata) 6948 return 0; 6949 6950 ret = drm_hdmi_infoframe_set_hdr_metadata(&frame, state); 6951 if (ret) 6952 return ret; 6953 6954 len = hdmi_drm_infoframe_pack_only(&frame, buf, sizeof(buf)); 6955 if (len < 0) 6956 return (int)len; 6957 6958 /* Static metadata is a fixed 26 bytes + 4 byte header. */ 6959 if (len != 30) 6960 return -EINVAL; 6961 6962 /* Prepare the infopacket for DC. */ 6963 switch (state->connector->connector_type) { 6964 case DRM_MODE_CONNECTOR_HDMIA: 6965 out->hb0 = 0x87; /* type */ 6966 out->hb1 = 0x01; /* version */ 6967 out->hb2 = 0x1A; /* length */ 6968 out->sb[0] = buf[3]; /* checksum */ 6969 i = 1; 6970 break; 6971 6972 case DRM_MODE_CONNECTOR_DisplayPort: 6973 case DRM_MODE_CONNECTOR_eDP: 6974 out->hb0 = 0x00; /* sdp id, zero */ 6975 out->hb1 = 0x87; /* type */ 6976 out->hb2 = 0x1D; /* payload len - 1 */ 6977 out->hb3 = (0x13 << 2); /* sdp version */ 6978 out->sb[0] = 0x01; /* version */ 6979 out->sb[1] = 0x1A; /* length */ 6980 i = 2; 6981 break; 6982 6983 default: 6984 return -EINVAL; 6985 } 6986 6987 memcpy(&out->sb[i], &buf[4], 26); 6988 out->valid = true; 6989 6990 print_hex_dump(KERN_DEBUG, "HDR SB:", DUMP_PREFIX_NONE, 16, 1, out->sb, 6991 sizeof(out->sb), false); 6992 6993 return 0; 6994 } 6995 6996 static int 6997 amdgpu_dm_connector_atomic_check(struct drm_connector *conn, 6998 struct drm_atomic_state *state) 6999 { 7000 struct drm_connector_state *new_con_state = 7001 drm_atomic_get_new_connector_state(state, conn); 7002 struct drm_connector_state *old_con_state = 7003 drm_atomic_get_old_connector_state(state, conn); 7004 struct drm_crtc *crtc = new_con_state->crtc; 7005 struct drm_crtc_state *new_crtc_state; 7006 struct amdgpu_dm_connector *aconn = to_amdgpu_dm_connector(conn); 7007 int ret; 7008 7009 trace_amdgpu_dm_connector_atomic_check(new_con_state); 7010 7011 if (conn->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { 7012 ret = drm_dp_mst_root_conn_atomic_check(new_con_state, &aconn->mst_mgr); 7013 if (ret < 0) 7014 return ret; 7015 } 7016 7017 if (!crtc) 7018 return 0; 7019 7020 if (new_con_state->colorspace != old_con_state->colorspace) { 7021 new_crtc_state = drm_atomic_get_crtc_state(state, crtc); 7022 if (IS_ERR(new_crtc_state)) 7023 return PTR_ERR(new_crtc_state); 7024 7025 new_crtc_state->mode_changed = true; 7026 } 7027 7028 if (new_con_state->content_type != old_con_state->content_type) { 7029 new_crtc_state = drm_atomic_get_crtc_state(state, crtc); 7030 if (IS_ERR(new_crtc_state)) 7031 return PTR_ERR(new_crtc_state); 7032 7033 new_crtc_state->mode_changed = true; 7034 } 7035 7036 if (!drm_connector_atomic_hdr_metadata_equal(old_con_state, new_con_state)) { 7037 struct dc_info_packet hdr_infopacket; 7038 7039 ret = fill_hdr_info_packet(new_con_state, &hdr_infopacket); 7040 if (ret) 7041 return ret; 7042 7043 new_crtc_state = drm_atomic_get_crtc_state(state, crtc); 7044 if (IS_ERR(new_crtc_state)) 7045 return PTR_ERR(new_crtc_state); 7046 7047 /* 7048 * DC considers the stream backends changed if the 7049 * static metadata changes. Forcing the modeset also 7050 * gives a simple way for userspace to switch from 7051 * 8bpc to 10bpc when setting the metadata to enter 7052 * or exit HDR. 7053 * 7054 * Changing the static metadata after it's been 7055 * set is permissible, however. So only force a 7056 * modeset if we're entering or exiting HDR. 7057 */ 7058 new_crtc_state->mode_changed = new_crtc_state->mode_changed || 7059 !old_con_state->hdr_output_metadata || 7060 !new_con_state->hdr_output_metadata; 7061 } 7062 7063 return 0; 7064 } 7065 7066 static const struct drm_connector_helper_funcs 7067 amdgpu_dm_connector_helper_funcs = { 7068 /* 7069 * If hotplugging a second bigger display in FB Con mode, bigger resolution 7070 * modes will be filtered by drm_mode_validate_size(), and those modes 7071 * are missing after user start lightdm. So we need to renew modes list. 7072 * in get_modes call back, not just return the modes count 7073 */ 7074 .get_modes = get_modes, 7075 .mode_valid = amdgpu_dm_connector_mode_valid, 7076 .atomic_check = amdgpu_dm_connector_atomic_check, 7077 }; 7078 7079 static void dm_encoder_helper_disable(struct drm_encoder *encoder) 7080 { 7081 7082 } 7083 7084 int convert_dc_color_depth_into_bpc(enum dc_color_depth display_color_depth) 7085 { 7086 switch (display_color_depth) { 7087 case COLOR_DEPTH_666: 7088 return 6; 7089 case COLOR_DEPTH_888: 7090 return 8; 7091 case COLOR_DEPTH_101010: 7092 return 10; 7093 case COLOR_DEPTH_121212: 7094 return 12; 7095 case COLOR_DEPTH_141414: 7096 return 14; 7097 case COLOR_DEPTH_161616: 7098 return 16; 7099 default: 7100 break; 7101 } 7102 return 0; 7103 } 7104 7105 static int dm_encoder_helper_atomic_check(struct drm_encoder *encoder, 7106 struct drm_crtc_state *crtc_state, 7107 struct drm_connector_state *conn_state) 7108 { 7109 struct drm_atomic_state *state = crtc_state->state; 7110 struct drm_connector *connector = conn_state->connector; 7111 struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); 7112 struct dm_connector_state *dm_new_connector_state = to_dm_connector_state(conn_state); 7113 const struct drm_display_mode *adjusted_mode = &crtc_state->adjusted_mode; 7114 struct drm_dp_mst_topology_mgr *mst_mgr; 7115 struct drm_dp_mst_port *mst_port; 7116 struct drm_dp_mst_topology_state *mst_state; 7117 enum dc_color_depth color_depth; 7118 int clock, bpp = 0; 7119 bool is_y420 = false; 7120 7121 if (!aconnector->mst_output_port) 7122 return 0; 7123 7124 mst_port = aconnector->mst_output_port; 7125 mst_mgr = &aconnector->mst_root->mst_mgr; 7126 7127 if (!crtc_state->connectors_changed && !crtc_state->mode_changed) 7128 return 0; 7129 7130 mst_state = drm_atomic_get_mst_topology_state(state, mst_mgr); 7131 if (IS_ERR(mst_state)) 7132 return PTR_ERR(mst_state); 7133 7134 mst_state->pbn_div.full = dfixed_const(dm_mst_get_pbn_divider(aconnector->mst_root->dc_link)); 7135 7136 if (!state->duplicated) { 7137 int max_bpc = conn_state->max_requested_bpc; 7138 7139 is_y420 = drm_mode_is_420_also(&connector->display_info, adjusted_mode) && 7140 aconnector->force_yuv420_output; 7141 color_depth = convert_color_depth_from_display_info(connector, 7142 is_y420, 7143 max_bpc); 7144 bpp = convert_dc_color_depth_into_bpc(color_depth) * 3; 7145 clock = adjusted_mode->clock; 7146 dm_new_connector_state->pbn = drm_dp_calc_pbn_mode(clock, bpp << 4); 7147 } 7148 7149 dm_new_connector_state->vcpi_slots = 7150 drm_dp_atomic_find_time_slots(state, mst_mgr, mst_port, 7151 dm_new_connector_state->pbn); 7152 if (dm_new_connector_state->vcpi_slots < 0) { 7153 DRM_DEBUG_ATOMIC("failed finding vcpi slots: %d\n", (int)dm_new_connector_state->vcpi_slots); 7154 return dm_new_connector_state->vcpi_slots; 7155 } 7156 return 0; 7157 } 7158 7159 const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs = { 7160 .disable = dm_encoder_helper_disable, 7161 .atomic_check = dm_encoder_helper_atomic_check 7162 }; 7163 7164 static int dm_update_mst_vcpi_slots_for_dsc(struct drm_atomic_state *state, 7165 struct dc_state *dc_state, 7166 struct dsc_mst_fairness_vars *vars) 7167 { 7168 struct dc_stream_state *stream = NULL; 7169 struct drm_connector *connector; 7170 struct drm_connector_state *new_con_state; 7171 struct amdgpu_dm_connector *aconnector; 7172 struct dm_connector_state *dm_conn_state; 7173 int i, j, ret; 7174 int vcpi, pbn_div, pbn, slot_num = 0; 7175 7176 for_each_new_connector_in_state(state, connector, new_con_state, i) { 7177 7178 if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK) 7179 continue; 7180 7181 aconnector = to_amdgpu_dm_connector(connector); 7182 7183 if (!aconnector->mst_output_port) 7184 continue; 7185 7186 if (!new_con_state || !new_con_state->crtc) 7187 continue; 7188 7189 dm_conn_state = to_dm_connector_state(new_con_state); 7190 7191 for (j = 0; j < dc_state->stream_count; j++) { 7192 stream = dc_state->streams[j]; 7193 if (!stream) 7194 continue; 7195 7196 if ((struct amdgpu_dm_connector *)stream->dm_stream_context == aconnector) 7197 break; 7198 7199 stream = NULL; 7200 } 7201 7202 if (!stream) 7203 continue; 7204 7205 pbn_div = dm_mst_get_pbn_divider(stream->link); 7206 /* pbn is calculated by compute_mst_dsc_configs_for_state*/ 7207 for (j = 0; j < dc_state->stream_count; j++) { 7208 if (vars[j].aconnector == aconnector) { 7209 pbn = vars[j].pbn; 7210 break; 7211 } 7212 } 7213 7214 if (j == dc_state->stream_count) 7215 continue; 7216 7217 slot_num = DIV_ROUND_UP(pbn, pbn_div); 7218 7219 if (stream->timing.flags.DSC != 1) { 7220 dm_conn_state->pbn = pbn; 7221 dm_conn_state->vcpi_slots = slot_num; 7222 7223 ret = drm_dp_mst_atomic_enable_dsc(state, aconnector->mst_output_port, 7224 dm_conn_state->pbn, false); 7225 if (ret < 0) 7226 return ret; 7227 7228 continue; 7229 } 7230 7231 vcpi = drm_dp_mst_atomic_enable_dsc(state, aconnector->mst_output_port, pbn, true); 7232 if (vcpi < 0) 7233 return vcpi; 7234 7235 dm_conn_state->pbn = pbn; 7236 dm_conn_state->vcpi_slots = vcpi; 7237 } 7238 return 0; 7239 } 7240 7241 static int to_drm_connector_type(enum signal_type st) 7242 { 7243 switch (st) { 7244 case SIGNAL_TYPE_HDMI_TYPE_A: 7245 return DRM_MODE_CONNECTOR_HDMIA; 7246 case SIGNAL_TYPE_EDP: 7247 return DRM_MODE_CONNECTOR_eDP; 7248 case SIGNAL_TYPE_LVDS: 7249 return DRM_MODE_CONNECTOR_LVDS; 7250 case SIGNAL_TYPE_RGB: 7251 return DRM_MODE_CONNECTOR_VGA; 7252 case SIGNAL_TYPE_DISPLAY_PORT: 7253 case SIGNAL_TYPE_DISPLAY_PORT_MST: 7254 return DRM_MODE_CONNECTOR_DisplayPort; 7255 case SIGNAL_TYPE_DVI_DUAL_LINK: 7256 case SIGNAL_TYPE_DVI_SINGLE_LINK: 7257 return DRM_MODE_CONNECTOR_DVID; 7258 case SIGNAL_TYPE_VIRTUAL: 7259 return DRM_MODE_CONNECTOR_VIRTUAL; 7260 7261 default: 7262 return DRM_MODE_CONNECTOR_Unknown; 7263 } 7264 } 7265 7266 static struct drm_encoder *amdgpu_dm_connector_to_encoder(struct drm_connector *connector) 7267 { 7268 struct drm_encoder *encoder; 7269 7270 /* There is only one encoder per connector */ 7271 drm_connector_for_each_possible_encoder(connector, encoder) 7272 return encoder; 7273 7274 return NULL; 7275 } 7276 7277 static void amdgpu_dm_get_native_mode(struct drm_connector *connector) 7278 { 7279 struct drm_encoder *encoder; 7280 struct amdgpu_encoder *amdgpu_encoder; 7281 7282 encoder = amdgpu_dm_connector_to_encoder(connector); 7283 7284 if (encoder == NULL) 7285 return; 7286 7287 amdgpu_encoder = to_amdgpu_encoder(encoder); 7288 7289 amdgpu_encoder->native_mode.clock = 0; 7290 7291 if (!list_empty(&connector->probed_modes)) { 7292 struct drm_display_mode *preferred_mode = NULL; 7293 7294 list_for_each_entry(preferred_mode, 7295 &connector->probed_modes, 7296 head) { 7297 if (preferred_mode->type & DRM_MODE_TYPE_PREFERRED) 7298 amdgpu_encoder->native_mode = *preferred_mode; 7299 7300 break; 7301 } 7302 7303 } 7304 } 7305 7306 static struct drm_display_mode * 7307 amdgpu_dm_create_common_mode(struct drm_encoder *encoder, 7308 char *name, 7309 int hdisplay, int vdisplay) 7310 { 7311 struct drm_device *dev = encoder->dev; 7312 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 7313 struct drm_display_mode *mode = NULL; 7314 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode; 7315 7316 mode = drm_mode_duplicate(dev, native_mode); 7317 7318 if (mode == NULL) 7319 return NULL; 7320 7321 mode->hdisplay = hdisplay; 7322 mode->vdisplay = vdisplay; 7323 mode->type &= ~DRM_MODE_TYPE_PREFERRED; 7324 strscpy(mode->name, name, DRM_DISPLAY_MODE_LEN); 7325 7326 return mode; 7327 7328 } 7329 7330 static void amdgpu_dm_connector_add_common_modes(struct drm_encoder *encoder, 7331 struct drm_connector *connector) 7332 { 7333 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); 7334 struct drm_display_mode *mode = NULL; 7335 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode; 7336 struct amdgpu_dm_connector *amdgpu_dm_connector = 7337 to_amdgpu_dm_connector(connector); 7338 int i; 7339 int n; 7340 struct mode_size { 7341 char name[DRM_DISPLAY_MODE_LEN]; 7342 int w; 7343 int h; 7344 } common_modes[] = { 7345 { "640x480", 640, 480}, 7346 { "800x600", 800, 600}, 7347 { "1024x768", 1024, 768}, 7348 { "1280x720", 1280, 720}, 7349 { "1280x800", 1280, 800}, 7350 {"1280x1024", 1280, 1024}, 7351 { "1440x900", 1440, 900}, 7352 {"1680x1050", 1680, 1050}, 7353 {"1600x1200", 1600, 1200}, 7354 {"1920x1080", 1920, 1080}, 7355 {"1920x1200", 1920, 1200} 7356 }; 7357 7358 n = ARRAY_SIZE(common_modes); 7359 7360 for (i = 0; i < n; i++) { 7361 struct drm_display_mode *curmode = NULL; 7362 bool mode_existed = false; 7363 7364 if (common_modes[i].w > native_mode->hdisplay || 7365 common_modes[i].h > native_mode->vdisplay || 7366 (common_modes[i].w == native_mode->hdisplay && 7367 common_modes[i].h == native_mode->vdisplay)) 7368 continue; 7369 7370 list_for_each_entry(curmode, &connector->probed_modes, head) { 7371 if (common_modes[i].w == curmode->hdisplay && 7372 common_modes[i].h == curmode->vdisplay) { 7373 mode_existed = true; 7374 break; 7375 } 7376 } 7377 7378 if (mode_existed) 7379 continue; 7380 7381 mode = amdgpu_dm_create_common_mode(encoder, 7382 common_modes[i].name, common_modes[i].w, 7383 common_modes[i].h); 7384 if (!mode) 7385 continue; 7386 7387 drm_mode_probed_add(connector, mode); 7388 amdgpu_dm_connector->num_modes++; 7389 } 7390 } 7391 7392 static void amdgpu_set_panel_orientation(struct drm_connector *connector) 7393 { 7394 struct drm_encoder *encoder; 7395 struct amdgpu_encoder *amdgpu_encoder; 7396 const struct drm_display_mode *native_mode; 7397 7398 if (connector->connector_type != DRM_MODE_CONNECTOR_eDP && 7399 connector->connector_type != DRM_MODE_CONNECTOR_LVDS) 7400 return; 7401 7402 mutex_lock(&connector->dev->mode_config.mutex); 7403 amdgpu_dm_connector_get_modes(connector); 7404 mutex_unlock(&connector->dev->mode_config.mutex); 7405 7406 encoder = amdgpu_dm_connector_to_encoder(connector); 7407 if (!encoder) 7408 return; 7409 7410 amdgpu_encoder = to_amdgpu_encoder(encoder); 7411 7412 native_mode = &amdgpu_encoder->native_mode; 7413 if (native_mode->hdisplay == 0 || native_mode->vdisplay == 0) 7414 return; 7415 7416 drm_connector_set_panel_orientation_with_quirk(connector, 7417 DRM_MODE_PANEL_ORIENTATION_UNKNOWN, 7418 native_mode->hdisplay, 7419 native_mode->vdisplay); 7420 } 7421 7422 static void amdgpu_dm_connector_ddc_get_modes(struct drm_connector *connector, 7423 struct edid *edid) 7424 { 7425 struct amdgpu_dm_connector *amdgpu_dm_connector = 7426 to_amdgpu_dm_connector(connector); 7427 7428 if (edid) { 7429 /* empty probed_modes */ 7430 INIT_LIST_HEAD(&connector->probed_modes); 7431 amdgpu_dm_connector->num_modes = 7432 drm_add_edid_modes(connector, edid); 7433 7434 /* sorting the probed modes before calling function 7435 * amdgpu_dm_get_native_mode() since EDID can have 7436 * more than one preferred mode. The modes that are 7437 * later in the probed mode list could be of higher 7438 * and preferred resolution. For example, 3840x2160 7439 * resolution in base EDID preferred timing and 4096x2160 7440 * preferred resolution in DID extension block later. 7441 */ 7442 drm_mode_sort(&connector->probed_modes); 7443 amdgpu_dm_get_native_mode(connector); 7444 7445 /* Freesync capabilities are reset by calling 7446 * drm_add_edid_modes() and need to be 7447 * restored here. 7448 */ 7449 amdgpu_dm_update_freesync_caps(connector, edid); 7450 } else { 7451 amdgpu_dm_connector->num_modes = 0; 7452 } 7453 } 7454 7455 static bool is_duplicate_mode(struct amdgpu_dm_connector *aconnector, 7456 struct drm_display_mode *mode) 7457 { 7458 struct drm_display_mode *m; 7459 7460 list_for_each_entry(m, &aconnector->base.probed_modes, head) { 7461 if (drm_mode_equal(m, mode)) 7462 return true; 7463 } 7464 7465 return false; 7466 } 7467 7468 static uint add_fs_modes(struct amdgpu_dm_connector *aconnector) 7469 { 7470 const struct drm_display_mode *m; 7471 struct drm_display_mode *new_mode; 7472 uint i; 7473 u32 new_modes_count = 0; 7474 7475 /* Standard FPS values 7476 * 7477 * 23.976 - TV/NTSC 7478 * 24 - Cinema 7479 * 25 - TV/PAL 7480 * 29.97 - TV/NTSC 7481 * 30 - TV/NTSC 7482 * 48 - Cinema HFR 7483 * 50 - TV/PAL 7484 * 60 - Commonly used 7485 * 48,72,96,120 - Multiples of 24 7486 */ 7487 static const u32 common_rates[] = { 7488 23976, 24000, 25000, 29970, 30000, 7489 48000, 50000, 60000, 72000, 96000, 120000 7490 }; 7491 7492 /* 7493 * Find mode with highest refresh rate with the same resolution 7494 * as the preferred mode. Some monitors report a preferred mode 7495 * with lower resolution than the highest refresh rate supported. 7496 */ 7497 7498 m = get_highest_refresh_rate_mode(aconnector, true); 7499 if (!m) 7500 return 0; 7501 7502 for (i = 0; i < ARRAY_SIZE(common_rates); i++) { 7503 u64 target_vtotal, target_vtotal_diff; 7504 u64 num, den; 7505 7506 if (drm_mode_vrefresh(m) * 1000 < common_rates[i]) 7507 continue; 7508 7509 if (common_rates[i] < aconnector->min_vfreq * 1000 || 7510 common_rates[i] > aconnector->max_vfreq * 1000) 7511 continue; 7512 7513 num = (unsigned long long)m->clock * 1000 * 1000; 7514 den = common_rates[i] * (unsigned long long)m->htotal; 7515 target_vtotal = div_u64(num, den); 7516 target_vtotal_diff = target_vtotal - m->vtotal; 7517 7518 /* Check for illegal modes */ 7519 if (m->vsync_start + target_vtotal_diff < m->vdisplay || 7520 m->vsync_end + target_vtotal_diff < m->vsync_start || 7521 m->vtotal + target_vtotal_diff < m->vsync_end) 7522 continue; 7523 7524 new_mode = drm_mode_duplicate(aconnector->base.dev, m); 7525 if (!new_mode) 7526 goto out; 7527 7528 new_mode->vtotal += (u16)target_vtotal_diff; 7529 new_mode->vsync_start += (u16)target_vtotal_diff; 7530 new_mode->vsync_end += (u16)target_vtotal_diff; 7531 new_mode->type &= ~DRM_MODE_TYPE_PREFERRED; 7532 new_mode->type |= DRM_MODE_TYPE_DRIVER; 7533 7534 if (!is_duplicate_mode(aconnector, new_mode)) { 7535 drm_mode_probed_add(&aconnector->base, new_mode); 7536 new_modes_count += 1; 7537 } else 7538 drm_mode_destroy(aconnector->base.dev, new_mode); 7539 } 7540 out: 7541 return new_modes_count; 7542 } 7543 7544 static void amdgpu_dm_connector_add_freesync_modes(struct drm_connector *connector, 7545 struct edid *edid) 7546 { 7547 struct amdgpu_dm_connector *amdgpu_dm_connector = 7548 to_amdgpu_dm_connector(connector); 7549 7550 if (!edid) 7551 return; 7552 7553 if (amdgpu_dm_connector->max_vfreq - amdgpu_dm_connector->min_vfreq > 10) 7554 amdgpu_dm_connector->num_modes += 7555 add_fs_modes(amdgpu_dm_connector); 7556 } 7557 7558 static int amdgpu_dm_connector_get_modes(struct drm_connector *connector) 7559 { 7560 struct amdgpu_dm_connector *amdgpu_dm_connector = 7561 to_amdgpu_dm_connector(connector); 7562 struct drm_encoder *encoder; 7563 struct edid *edid = amdgpu_dm_connector->edid; 7564 struct dc_link_settings *verified_link_cap = 7565 &amdgpu_dm_connector->dc_link->verified_link_cap; 7566 const struct dc *dc = amdgpu_dm_connector->dc_link->dc; 7567 7568 encoder = amdgpu_dm_connector_to_encoder(connector); 7569 7570 if (!drm_edid_is_valid(edid)) { 7571 amdgpu_dm_connector->num_modes = 7572 drm_add_modes_noedid(connector, 640, 480); 7573 if (dc->link_srv->dp_get_encoding_format(verified_link_cap) == DP_128b_132b_ENCODING) 7574 amdgpu_dm_connector->num_modes += 7575 drm_add_modes_noedid(connector, 1920, 1080); 7576 } else { 7577 amdgpu_dm_connector_ddc_get_modes(connector, edid); 7578 amdgpu_dm_connector_add_common_modes(encoder, connector); 7579 amdgpu_dm_connector_add_freesync_modes(connector, edid); 7580 } 7581 amdgpu_dm_fbc_init(connector); 7582 7583 return amdgpu_dm_connector->num_modes; 7584 } 7585 7586 static const u32 supported_colorspaces = 7587 BIT(DRM_MODE_COLORIMETRY_BT709_YCC) | 7588 BIT(DRM_MODE_COLORIMETRY_OPRGB) | 7589 BIT(DRM_MODE_COLORIMETRY_BT2020_RGB) | 7590 BIT(DRM_MODE_COLORIMETRY_BT2020_YCC); 7591 7592 void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm, 7593 struct amdgpu_dm_connector *aconnector, 7594 int connector_type, 7595 struct dc_link *link, 7596 int link_index) 7597 { 7598 struct amdgpu_device *adev = drm_to_adev(dm->ddev); 7599 7600 /* 7601 * Some of the properties below require access to state, like bpc. 7602 * Allocate some default initial connector state with our reset helper. 7603 */ 7604 if (aconnector->base.funcs->reset) 7605 aconnector->base.funcs->reset(&aconnector->base); 7606 7607 aconnector->connector_id = link_index; 7608 aconnector->bl_idx = -1; 7609 aconnector->dc_link = link; 7610 aconnector->base.interlace_allowed = false; 7611 aconnector->base.doublescan_allowed = false; 7612 aconnector->base.stereo_allowed = false; 7613 aconnector->base.dpms = DRM_MODE_DPMS_OFF; 7614 aconnector->hpd.hpd = AMDGPU_HPD_NONE; /* not used */ 7615 aconnector->audio_inst = -1; 7616 aconnector->pack_sdp_v1_3 = false; 7617 aconnector->as_type = ADAPTIVE_SYNC_TYPE_NONE; 7618 memset(&aconnector->vsdb_info, 0, sizeof(aconnector->vsdb_info)); 7619 mutex_init(&aconnector->hpd_lock); 7620 mutex_init(&aconnector->handle_mst_msg_ready); 7621 7622 /* 7623 * configure support HPD hot plug connector_>polled default value is 0 7624 * which means HPD hot plug not supported 7625 */ 7626 switch (connector_type) { 7627 case DRM_MODE_CONNECTOR_HDMIA: 7628 aconnector->base.polled = DRM_CONNECTOR_POLL_HPD; 7629 aconnector->base.ycbcr_420_allowed = 7630 link->link_enc->features.hdmi_ycbcr420_supported ? true : false; 7631 break; 7632 case DRM_MODE_CONNECTOR_DisplayPort: 7633 aconnector->base.polled = DRM_CONNECTOR_POLL_HPD; 7634 link->link_enc = link_enc_cfg_get_link_enc(link); 7635 ASSERT(link->link_enc); 7636 if (link->link_enc) 7637 aconnector->base.ycbcr_420_allowed = 7638 link->link_enc->features.dp_ycbcr420_supported ? true : false; 7639 break; 7640 case DRM_MODE_CONNECTOR_DVID: 7641 aconnector->base.polled = DRM_CONNECTOR_POLL_HPD; 7642 break; 7643 default: 7644 break; 7645 } 7646 7647 drm_object_attach_property(&aconnector->base.base, 7648 dm->ddev->mode_config.scaling_mode_property, 7649 DRM_MODE_SCALE_NONE); 7650 7651 drm_object_attach_property(&aconnector->base.base, 7652 adev->mode_info.underscan_property, 7653 UNDERSCAN_OFF); 7654 drm_object_attach_property(&aconnector->base.base, 7655 adev->mode_info.underscan_hborder_property, 7656 0); 7657 drm_object_attach_property(&aconnector->base.base, 7658 adev->mode_info.underscan_vborder_property, 7659 0); 7660 7661 if (!aconnector->mst_root) 7662 drm_connector_attach_max_bpc_property(&aconnector->base, 8, 16); 7663 7664 aconnector->base.state->max_bpc = 16; 7665 aconnector->base.state->max_requested_bpc = aconnector->base.state->max_bpc; 7666 7667 if (connector_type == DRM_MODE_CONNECTOR_eDP && 7668 (dc_is_dmcu_initialized(adev->dm.dc) || 7669 adev->dm.dc->ctx->dmub_srv) && amdgpu_dm_abm_level < 0) { 7670 drm_object_attach_property(&aconnector->base.base, 7671 adev->mode_info.abm_level_property, 0); 7672 } 7673 7674 if (connector_type == DRM_MODE_CONNECTOR_HDMIA) { 7675 /* Content Type is currently only implemented for HDMI. */ 7676 drm_connector_attach_content_type_property(&aconnector->base); 7677 } 7678 7679 if (connector_type == DRM_MODE_CONNECTOR_HDMIA) { 7680 if (!drm_mode_create_hdmi_colorspace_property(&aconnector->base, supported_colorspaces)) 7681 drm_connector_attach_colorspace_property(&aconnector->base); 7682 } else if ((connector_type == DRM_MODE_CONNECTOR_DisplayPort && !aconnector->mst_root) || 7683 connector_type == DRM_MODE_CONNECTOR_eDP) { 7684 if (!drm_mode_create_dp_colorspace_property(&aconnector->base, supported_colorspaces)) 7685 drm_connector_attach_colorspace_property(&aconnector->base); 7686 } 7687 7688 if (connector_type == DRM_MODE_CONNECTOR_HDMIA || 7689 connector_type == DRM_MODE_CONNECTOR_DisplayPort || 7690 connector_type == DRM_MODE_CONNECTOR_eDP) { 7691 drm_connector_attach_hdr_output_metadata_property(&aconnector->base); 7692 7693 if (!aconnector->mst_root) 7694 drm_connector_attach_vrr_capable_property(&aconnector->base); 7695 7696 if (adev->dm.hdcp_workqueue) 7697 drm_connector_attach_content_protection_property(&aconnector->base, true); 7698 } 7699 } 7700 7701 static int amdgpu_dm_i2c_xfer(struct i2c_adapter *i2c_adap, 7702 struct i2c_msg *msgs, int num) 7703 { 7704 struct amdgpu_i2c_adapter *i2c = i2c_get_adapdata(i2c_adap); 7705 struct ddc_service *ddc_service = i2c->ddc_service; 7706 struct i2c_command cmd; 7707 int i; 7708 int result = -EIO; 7709 7710 if (!ddc_service->ddc_pin || !ddc_service->ddc_pin->hw_info.hw_supported) 7711 return result; 7712 7713 cmd.payloads = kcalloc(num, sizeof(struct i2c_payload), GFP_KERNEL); 7714 7715 if (!cmd.payloads) 7716 return result; 7717 7718 cmd.number_of_payloads = num; 7719 cmd.engine = I2C_COMMAND_ENGINE_DEFAULT; 7720 cmd.speed = 100; 7721 7722 for (i = 0; i < num; i++) { 7723 cmd.payloads[i].write = !(msgs[i].flags & I2C_M_RD); 7724 cmd.payloads[i].address = msgs[i].addr; 7725 cmd.payloads[i].length = msgs[i].len; 7726 cmd.payloads[i].data = msgs[i].buf; 7727 } 7728 7729 if (dc_submit_i2c( 7730 ddc_service->ctx->dc, 7731 ddc_service->link->link_index, 7732 &cmd)) 7733 result = num; 7734 7735 kfree(cmd.payloads); 7736 return result; 7737 } 7738 7739 static u32 amdgpu_dm_i2c_func(struct i2c_adapter *adap) 7740 { 7741 return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; 7742 } 7743 7744 static const struct i2c_algorithm amdgpu_dm_i2c_algo = { 7745 .master_xfer = amdgpu_dm_i2c_xfer, 7746 .functionality = amdgpu_dm_i2c_func, 7747 }; 7748 7749 static struct amdgpu_i2c_adapter * 7750 create_i2c(struct ddc_service *ddc_service, 7751 int link_index, 7752 int *res) 7753 { 7754 struct amdgpu_device *adev = ddc_service->ctx->driver_context; 7755 struct amdgpu_i2c_adapter *i2c; 7756 7757 i2c = kzalloc(sizeof(struct amdgpu_i2c_adapter), GFP_KERNEL); 7758 if (!i2c) 7759 return NULL; 7760 i2c->base.owner = THIS_MODULE; 7761 i2c->base.dev.parent = &adev->pdev->dev; 7762 i2c->base.algo = &amdgpu_dm_i2c_algo; 7763 snprintf(i2c->base.name, sizeof(i2c->base.name), "AMDGPU DM i2c hw bus %d", link_index); 7764 i2c_set_adapdata(&i2c->base, i2c); 7765 i2c->ddc_service = ddc_service; 7766 7767 return i2c; 7768 } 7769 7770 7771 /* 7772 * Note: this function assumes that dc_link_detect() was called for the 7773 * dc_link which will be represented by this aconnector. 7774 */ 7775 static int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm, 7776 struct amdgpu_dm_connector *aconnector, 7777 u32 link_index, 7778 struct amdgpu_encoder *aencoder) 7779 { 7780 int res = 0; 7781 int connector_type; 7782 struct dc *dc = dm->dc; 7783 struct dc_link *link = dc_get_link_at_index(dc, link_index); 7784 struct amdgpu_i2c_adapter *i2c; 7785 7786 /* Not needed for writeback connector */ 7787 link->priv = aconnector; 7788 7789 7790 i2c = create_i2c(link->ddc, link->link_index, &res); 7791 if (!i2c) { 7792 DRM_ERROR("Failed to create i2c adapter data\n"); 7793 return -ENOMEM; 7794 } 7795 7796 aconnector->i2c = i2c; 7797 res = i2c_add_adapter(&i2c->base); 7798 7799 if (res) { 7800 DRM_ERROR("Failed to register hw i2c %d\n", link->link_index); 7801 goto out_free; 7802 } 7803 7804 connector_type = to_drm_connector_type(link->connector_signal); 7805 7806 res = drm_connector_init_with_ddc( 7807 dm->ddev, 7808 &aconnector->base, 7809 &amdgpu_dm_connector_funcs, 7810 connector_type, 7811 &i2c->base); 7812 7813 if (res) { 7814 DRM_ERROR("connector_init failed\n"); 7815 aconnector->connector_id = -1; 7816 goto out_free; 7817 } 7818 7819 drm_connector_helper_add( 7820 &aconnector->base, 7821 &amdgpu_dm_connector_helper_funcs); 7822 7823 amdgpu_dm_connector_init_helper( 7824 dm, 7825 aconnector, 7826 connector_type, 7827 link, 7828 link_index); 7829 7830 drm_connector_attach_encoder( 7831 &aconnector->base, &aencoder->base); 7832 7833 if (connector_type == DRM_MODE_CONNECTOR_DisplayPort 7834 || connector_type == DRM_MODE_CONNECTOR_eDP) 7835 amdgpu_dm_initialize_dp_connector(dm, aconnector, link->link_index); 7836 7837 out_free: 7838 if (res) { 7839 kfree(i2c); 7840 aconnector->i2c = NULL; 7841 } 7842 return res; 7843 } 7844 7845 int amdgpu_dm_get_encoder_crtc_mask(struct amdgpu_device *adev) 7846 { 7847 switch (adev->mode_info.num_crtc) { 7848 case 1: 7849 return 0x1; 7850 case 2: 7851 return 0x3; 7852 case 3: 7853 return 0x7; 7854 case 4: 7855 return 0xf; 7856 case 5: 7857 return 0x1f; 7858 case 6: 7859 default: 7860 return 0x3f; 7861 } 7862 } 7863 7864 static int amdgpu_dm_encoder_init(struct drm_device *dev, 7865 struct amdgpu_encoder *aencoder, 7866 uint32_t link_index) 7867 { 7868 struct amdgpu_device *adev = drm_to_adev(dev); 7869 7870 int res = drm_encoder_init(dev, 7871 &aencoder->base, 7872 &amdgpu_dm_encoder_funcs, 7873 DRM_MODE_ENCODER_TMDS, 7874 NULL); 7875 7876 aencoder->base.possible_crtcs = amdgpu_dm_get_encoder_crtc_mask(adev); 7877 7878 if (!res) 7879 aencoder->encoder_id = link_index; 7880 else 7881 aencoder->encoder_id = -1; 7882 7883 drm_encoder_helper_add(&aencoder->base, &amdgpu_dm_encoder_helper_funcs); 7884 7885 return res; 7886 } 7887 7888 static void manage_dm_interrupts(struct amdgpu_device *adev, 7889 struct amdgpu_crtc *acrtc, 7890 bool enable) 7891 { 7892 /* 7893 * We have no guarantee that the frontend index maps to the same 7894 * backend index - some even map to more than one. 7895 * 7896 * TODO: Use a different interrupt or check DC itself for the mapping. 7897 */ 7898 int irq_type = 7899 amdgpu_display_crtc_idx_to_irq_type( 7900 adev, 7901 acrtc->crtc_id); 7902 7903 if (enable) { 7904 drm_crtc_vblank_on(&acrtc->base); 7905 amdgpu_irq_get( 7906 adev, 7907 &adev->pageflip_irq, 7908 irq_type); 7909 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY) 7910 amdgpu_irq_get( 7911 adev, 7912 &adev->vline0_irq, 7913 irq_type); 7914 #endif 7915 } else { 7916 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY) 7917 amdgpu_irq_put( 7918 adev, 7919 &adev->vline0_irq, 7920 irq_type); 7921 #endif 7922 amdgpu_irq_put( 7923 adev, 7924 &adev->pageflip_irq, 7925 irq_type); 7926 drm_crtc_vblank_off(&acrtc->base); 7927 } 7928 } 7929 7930 static void dm_update_pflip_irq_state(struct amdgpu_device *adev, 7931 struct amdgpu_crtc *acrtc) 7932 { 7933 int irq_type = 7934 amdgpu_display_crtc_idx_to_irq_type(adev, acrtc->crtc_id); 7935 7936 /** 7937 * This reads the current state for the IRQ and force reapplies 7938 * the setting to hardware. 7939 */ 7940 amdgpu_irq_update(adev, &adev->pageflip_irq, irq_type); 7941 } 7942 7943 static bool 7944 is_scaling_state_different(const struct dm_connector_state *dm_state, 7945 const struct dm_connector_state *old_dm_state) 7946 { 7947 if (dm_state->scaling != old_dm_state->scaling) 7948 return true; 7949 if (!dm_state->underscan_enable && old_dm_state->underscan_enable) { 7950 if (old_dm_state->underscan_hborder != 0 && old_dm_state->underscan_vborder != 0) 7951 return true; 7952 } else if (dm_state->underscan_enable && !old_dm_state->underscan_enable) { 7953 if (dm_state->underscan_hborder != 0 && dm_state->underscan_vborder != 0) 7954 return true; 7955 } else if (dm_state->underscan_hborder != old_dm_state->underscan_hborder || 7956 dm_state->underscan_vborder != old_dm_state->underscan_vborder) 7957 return true; 7958 return false; 7959 } 7960 7961 static bool is_content_protection_different(struct drm_crtc_state *new_crtc_state, 7962 struct drm_crtc_state *old_crtc_state, 7963 struct drm_connector_state *new_conn_state, 7964 struct drm_connector_state *old_conn_state, 7965 const struct drm_connector *connector, 7966 struct hdcp_workqueue *hdcp_w) 7967 { 7968 struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); 7969 struct dm_connector_state *dm_con_state = to_dm_connector_state(connector->state); 7970 7971 pr_debug("[HDCP_DM] connector->index: %x connect_status: %x dpms: %x\n", 7972 connector->index, connector->status, connector->dpms); 7973 pr_debug("[HDCP_DM] state protection old: %x new: %x\n", 7974 old_conn_state->content_protection, new_conn_state->content_protection); 7975 7976 if (old_crtc_state) 7977 pr_debug("[HDCP_DM] old crtc en: %x a: %x m: %x a-chg: %x c-chg: %x\n", 7978 old_crtc_state->enable, 7979 old_crtc_state->active, 7980 old_crtc_state->mode_changed, 7981 old_crtc_state->active_changed, 7982 old_crtc_state->connectors_changed); 7983 7984 if (new_crtc_state) 7985 pr_debug("[HDCP_DM] NEW crtc en: %x a: %x m: %x a-chg: %x c-chg: %x\n", 7986 new_crtc_state->enable, 7987 new_crtc_state->active, 7988 new_crtc_state->mode_changed, 7989 new_crtc_state->active_changed, 7990 new_crtc_state->connectors_changed); 7991 7992 /* hdcp content type change */ 7993 if (old_conn_state->hdcp_content_type != new_conn_state->hdcp_content_type && 7994 new_conn_state->content_protection != DRM_MODE_CONTENT_PROTECTION_UNDESIRED) { 7995 new_conn_state->content_protection = DRM_MODE_CONTENT_PROTECTION_DESIRED; 7996 pr_debug("[HDCP_DM] Type0/1 change %s :true\n", __func__); 7997 return true; 7998 } 7999 8000 /* CP is being re enabled, ignore this */ 8001 if (old_conn_state->content_protection == DRM_MODE_CONTENT_PROTECTION_ENABLED && 8002 new_conn_state->content_protection == DRM_MODE_CONTENT_PROTECTION_DESIRED) { 8003 if (new_crtc_state && new_crtc_state->mode_changed) { 8004 new_conn_state->content_protection = DRM_MODE_CONTENT_PROTECTION_DESIRED; 8005 pr_debug("[HDCP_DM] ENABLED->DESIRED & mode_changed %s :true\n", __func__); 8006 return true; 8007 } 8008 new_conn_state->content_protection = DRM_MODE_CONTENT_PROTECTION_ENABLED; 8009 pr_debug("[HDCP_DM] ENABLED -> DESIRED %s :false\n", __func__); 8010 return false; 8011 } 8012 8013 /* S3 resume case, since old state will always be 0 (UNDESIRED) and the restored state will be ENABLED 8014 * 8015 * Handles: UNDESIRED -> ENABLED 8016 */ 8017 if (old_conn_state->content_protection == DRM_MODE_CONTENT_PROTECTION_UNDESIRED && 8018 new_conn_state->content_protection == DRM_MODE_CONTENT_PROTECTION_ENABLED) 8019 new_conn_state->content_protection = DRM_MODE_CONTENT_PROTECTION_DESIRED; 8020 8021 /* Stream removed and re-enabled 8022 * 8023 * Can sometimes overlap with the HPD case, 8024 * thus set update_hdcp to false to avoid 8025 * setting HDCP multiple times. 8026 * 8027 * Handles: DESIRED -> DESIRED (Special case) 8028 */ 8029 if (!(old_conn_state->crtc && old_conn_state->crtc->enabled) && 8030 new_conn_state->crtc && new_conn_state->crtc->enabled && 8031 connector->state->content_protection == DRM_MODE_CONTENT_PROTECTION_DESIRED) { 8032 dm_con_state->update_hdcp = false; 8033 pr_debug("[HDCP_DM] DESIRED->DESIRED (Stream removed and re-enabled) %s :true\n", 8034 __func__); 8035 return true; 8036 } 8037 8038 /* Hot-plug, headless s3, dpms 8039 * 8040 * Only start HDCP if the display is connected/enabled. 8041 * update_hdcp flag will be set to false until the next 8042 * HPD comes in. 8043 * 8044 * Handles: DESIRED -> DESIRED (Special case) 8045 */ 8046 if (dm_con_state->update_hdcp && 8047 new_conn_state->content_protection == DRM_MODE_CONTENT_PROTECTION_DESIRED && 8048 connector->dpms == DRM_MODE_DPMS_ON && aconnector->dc_sink != NULL) { 8049 dm_con_state->update_hdcp = false; 8050 pr_debug("[HDCP_DM] DESIRED->DESIRED (Hot-plug, headless s3, dpms) %s :true\n", 8051 __func__); 8052 return true; 8053 } 8054 8055 if (old_conn_state->content_protection == new_conn_state->content_protection) { 8056 if (new_conn_state->content_protection >= DRM_MODE_CONTENT_PROTECTION_DESIRED) { 8057 if (new_crtc_state && new_crtc_state->mode_changed) { 8058 pr_debug("[HDCP_DM] DESIRED->DESIRED or ENABLE->ENABLE mode_change %s :true\n", 8059 __func__); 8060 return true; 8061 } 8062 pr_debug("[HDCP_DM] DESIRED->DESIRED & ENABLE->ENABLE %s :false\n", 8063 __func__); 8064 return false; 8065 } 8066 8067 pr_debug("[HDCP_DM] UNDESIRED->UNDESIRED %s :false\n", __func__); 8068 return false; 8069 } 8070 8071 if (new_conn_state->content_protection != DRM_MODE_CONTENT_PROTECTION_ENABLED) { 8072 pr_debug("[HDCP_DM] UNDESIRED->DESIRED or DESIRED->UNDESIRED or ENABLED->UNDESIRED %s :true\n", 8073 __func__); 8074 return true; 8075 } 8076 8077 pr_debug("[HDCP_DM] DESIRED->ENABLED %s :false\n", __func__); 8078 return false; 8079 } 8080 8081 static void remove_stream(struct amdgpu_device *adev, 8082 struct amdgpu_crtc *acrtc, 8083 struct dc_stream_state *stream) 8084 { 8085 /* this is the update mode case */ 8086 8087 acrtc->otg_inst = -1; 8088 acrtc->enabled = false; 8089 } 8090 8091 static void prepare_flip_isr(struct amdgpu_crtc *acrtc) 8092 { 8093 8094 assert_spin_locked(&acrtc->base.dev->event_lock); 8095 WARN_ON(acrtc->event); 8096 8097 acrtc->event = acrtc->base.state->event; 8098 8099 /* Set the flip status */ 8100 acrtc->pflip_status = AMDGPU_FLIP_SUBMITTED; 8101 8102 /* Mark this event as consumed */ 8103 acrtc->base.state->event = NULL; 8104 8105 drm_dbg_state(acrtc->base.dev, 8106 "crtc:%d, pflip_stat:AMDGPU_FLIP_SUBMITTED\n", 8107 acrtc->crtc_id); 8108 } 8109 8110 static void update_freesync_state_on_stream( 8111 struct amdgpu_display_manager *dm, 8112 struct dm_crtc_state *new_crtc_state, 8113 struct dc_stream_state *new_stream, 8114 struct dc_plane_state *surface, 8115 u32 flip_timestamp_in_us) 8116 { 8117 struct mod_vrr_params vrr_params; 8118 struct dc_info_packet vrr_infopacket = {0}; 8119 struct amdgpu_device *adev = dm->adev; 8120 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(new_crtc_state->base.crtc); 8121 unsigned long flags; 8122 bool pack_sdp_v1_3 = false; 8123 struct amdgpu_dm_connector *aconn; 8124 enum vrr_packet_type packet_type = PACKET_TYPE_VRR; 8125 8126 if (!new_stream) 8127 return; 8128 8129 /* 8130 * TODO: Determine why min/max totals and vrefresh can be 0 here. 8131 * For now it's sufficient to just guard against these conditions. 8132 */ 8133 8134 if (!new_stream->timing.h_total || !new_stream->timing.v_total) 8135 return; 8136 8137 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags); 8138 vrr_params = acrtc->dm_irq_params.vrr_params; 8139 8140 if (surface) { 8141 mod_freesync_handle_preflip( 8142 dm->freesync_module, 8143 surface, 8144 new_stream, 8145 flip_timestamp_in_us, 8146 &vrr_params); 8147 8148 if (adev->family < AMDGPU_FAMILY_AI && 8149 amdgpu_dm_crtc_vrr_active(new_crtc_state)) { 8150 mod_freesync_handle_v_update(dm->freesync_module, 8151 new_stream, &vrr_params); 8152 8153 /* Need to call this before the frame ends. */ 8154 dc_stream_adjust_vmin_vmax(dm->dc, 8155 new_crtc_state->stream, 8156 &vrr_params.adjust); 8157 } 8158 } 8159 8160 aconn = (struct amdgpu_dm_connector *)new_stream->dm_stream_context; 8161 8162 if (aconn && (aconn->as_type == FREESYNC_TYPE_PCON_IN_WHITELIST || aconn->vsdb_info.replay_mode)) { 8163 pack_sdp_v1_3 = aconn->pack_sdp_v1_3; 8164 8165 if (aconn->vsdb_info.amd_vsdb_version == 1) 8166 packet_type = PACKET_TYPE_FS_V1; 8167 else if (aconn->vsdb_info.amd_vsdb_version == 2) 8168 packet_type = PACKET_TYPE_FS_V2; 8169 else if (aconn->vsdb_info.amd_vsdb_version == 3) 8170 packet_type = PACKET_TYPE_FS_V3; 8171 8172 mod_build_adaptive_sync_infopacket(new_stream, aconn->as_type, NULL, 8173 &new_stream->adaptive_sync_infopacket); 8174 } 8175 8176 mod_freesync_build_vrr_infopacket( 8177 dm->freesync_module, 8178 new_stream, 8179 &vrr_params, 8180 packet_type, 8181 TRANSFER_FUNC_UNKNOWN, 8182 &vrr_infopacket, 8183 pack_sdp_v1_3); 8184 8185 new_crtc_state->freesync_vrr_info_changed |= 8186 (memcmp(&new_crtc_state->vrr_infopacket, 8187 &vrr_infopacket, 8188 sizeof(vrr_infopacket)) != 0); 8189 8190 acrtc->dm_irq_params.vrr_params = vrr_params; 8191 new_crtc_state->vrr_infopacket = vrr_infopacket; 8192 8193 new_stream->vrr_infopacket = vrr_infopacket; 8194 new_stream->allow_freesync = mod_freesync_get_freesync_enabled(&vrr_params); 8195 8196 if (new_crtc_state->freesync_vrr_info_changed) 8197 DRM_DEBUG_KMS("VRR packet update: crtc=%u enabled=%d state=%d", 8198 new_crtc_state->base.crtc->base.id, 8199 (int)new_crtc_state->base.vrr_enabled, 8200 (int)vrr_params.state); 8201 8202 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags); 8203 } 8204 8205 static void update_stream_irq_parameters( 8206 struct amdgpu_display_manager *dm, 8207 struct dm_crtc_state *new_crtc_state) 8208 { 8209 struct dc_stream_state *new_stream = new_crtc_state->stream; 8210 struct mod_vrr_params vrr_params; 8211 struct mod_freesync_config config = new_crtc_state->freesync_config; 8212 struct amdgpu_device *adev = dm->adev; 8213 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(new_crtc_state->base.crtc); 8214 unsigned long flags; 8215 8216 if (!new_stream) 8217 return; 8218 8219 /* 8220 * TODO: Determine why min/max totals and vrefresh can be 0 here. 8221 * For now it's sufficient to just guard against these conditions. 8222 */ 8223 if (!new_stream->timing.h_total || !new_stream->timing.v_total) 8224 return; 8225 8226 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags); 8227 vrr_params = acrtc->dm_irq_params.vrr_params; 8228 8229 if (new_crtc_state->vrr_supported && 8230 config.min_refresh_in_uhz && 8231 config.max_refresh_in_uhz) { 8232 /* 8233 * if freesync compatible mode was set, config.state will be set 8234 * in atomic check 8235 */ 8236 if (config.state == VRR_STATE_ACTIVE_FIXED && config.fixed_refresh_in_uhz && 8237 (!drm_atomic_crtc_needs_modeset(&new_crtc_state->base) || 8238 new_crtc_state->freesync_config.state == VRR_STATE_ACTIVE_FIXED)) { 8239 vrr_params.max_refresh_in_uhz = config.max_refresh_in_uhz; 8240 vrr_params.min_refresh_in_uhz = config.min_refresh_in_uhz; 8241 vrr_params.fixed_refresh_in_uhz = config.fixed_refresh_in_uhz; 8242 vrr_params.state = VRR_STATE_ACTIVE_FIXED; 8243 } else { 8244 config.state = new_crtc_state->base.vrr_enabled ? 8245 VRR_STATE_ACTIVE_VARIABLE : 8246 VRR_STATE_INACTIVE; 8247 } 8248 } else { 8249 config.state = VRR_STATE_UNSUPPORTED; 8250 } 8251 8252 mod_freesync_build_vrr_params(dm->freesync_module, 8253 new_stream, 8254 &config, &vrr_params); 8255 8256 new_crtc_state->freesync_config = config; 8257 /* Copy state for access from DM IRQ handler */ 8258 acrtc->dm_irq_params.freesync_config = config; 8259 acrtc->dm_irq_params.active_planes = new_crtc_state->active_planes; 8260 acrtc->dm_irq_params.vrr_params = vrr_params; 8261 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags); 8262 } 8263 8264 static void amdgpu_dm_handle_vrr_transition(struct dm_crtc_state *old_state, 8265 struct dm_crtc_state *new_state) 8266 { 8267 bool old_vrr_active = amdgpu_dm_crtc_vrr_active(old_state); 8268 bool new_vrr_active = amdgpu_dm_crtc_vrr_active(new_state); 8269 8270 if (!old_vrr_active && new_vrr_active) { 8271 /* Transition VRR inactive -> active: 8272 * While VRR is active, we must not disable vblank irq, as a 8273 * reenable after disable would compute bogus vblank/pflip 8274 * timestamps if it likely happened inside display front-porch. 8275 * 8276 * We also need vupdate irq for the actual core vblank handling 8277 * at end of vblank. 8278 */ 8279 WARN_ON(amdgpu_dm_crtc_set_vupdate_irq(new_state->base.crtc, true) != 0); 8280 WARN_ON(drm_crtc_vblank_get(new_state->base.crtc) != 0); 8281 DRM_DEBUG_DRIVER("%s: crtc=%u VRR off->on: Get vblank ref\n", 8282 __func__, new_state->base.crtc->base.id); 8283 } else if (old_vrr_active && !new_vrr_active) { 8284 /* Transition VRR active -> inactive: 8285 * Allow vblank irq disable again for fixed refresh rate. 8286 */ 8287 WARN_ON(amdgpu_dm_crtc_set_vupdate_irq(new_state->base.crtc, false) != 0); 8288 drm_crtc_vblank_put(new_state->base.crtc); 8289 DRM_DEBUG_DRIVER("%s: crtc=%u VRR on->off: Drop vblank ref\n", 8290 __func__, new_state->base.crtc->base.id); 8291 } 8292 } 8293 8294 static void amdgpu_dm_commit_cursors(struct drm_atomic_state *state) 8295 { 8296 struct drm_plane *plane; 8297 struct drm_plane_state *old_plane_state; 8298 int i; 8299 8300 /* 8301 * TODO: Make this per-stream so we don't issue redundant updates for 8302 * commits with multiple streams. 8303 */ 8304 for_each_old_plane_in_state(state, plane, old_plane_state, i) 8305 if (plane->type == DRM_PLANE_TYPE_CURSOR) 8306 amdgpu_dm_plane_handle_cursor_update(plane, old_plane_state); 8307 } 8308 8309 static inline uint32_t get_mem_type(struct drm_framebuffer *fb) 8310 { 8311 struct amdgpu_bo *abo = gem_to_amdgpu_bo(fb->obj[0]); 8312 8313 return abo->tbo.resource ? abo->tbo.resource->mem_type : 0; 8314 } 8315 8316 static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, 8317 struct drm_device *dev, 8318 struct amdgpu_display_manager *dm, 8319 struct drm_crtc *pcrtc, 8320 bool wait_for_vblank) 8321 { 8322 u32 i; 8323 u64 timestamp_ns = ktime_get_ns(); 8324 struct drm_plane *plane; 8325 struct drm_plane_state *old_plane_state, *new_plane_state; 8326 struct amdgpu_crtc *acrtc_attach = to_amdgpu_crtc(pcrtc); 8327 struct drm_crtc_state *new_pcrtc_state = 8328 drm_atomic_get_new_crtc_state(state, pcrtc); 8329 struct dm_crtc_state *acrtc_state = to_dm_crtc_state(new_pcrtc_state); 8330 struct dm_crtc_state *dm_old_crtc_state = 8331 to_dm_crtc_state(drm_atomic_get_old_crtc_state(state, pcrtc)); 8332 int planes_count = 0, vpos, hpos; 8333 unsigned long flags; 8334 u32 target_vblank, last_flip_vblank; 8335 bool vrr_active = amdgpu_dm_crtc_vrr_active(acrtc_state); 8336 bool cursor_update = false; 8337 bool pflip_present = false; 8338 bool dirty_rects_changed = false; 8339 struct { 8340 struct dc_surface_update surface_updates[MAX_SURFACES]; 8341 struct dc_plane_info plane_infos[MAX_SURFACES]; 8342 struct dc_scaling_info scaling_infos[MAX_SURFACES]; 8343 struct dc_flip_addrs flip_addrs[MAX_SURFACES]; 8344 struct dc_stream_update stream_update; 8345 } *bundle; 8346 8347 bundle = kzalloc(sizeof(*bundle), GFP_KERNEL); 8348 8349 if (!bundle) { 8350 drm_err(dev, "Failed to allocate update bundle\n"); 8351 goto cleanup; 8352 } 8353 8354 /* 8355 * Disable the cursor first if we're disabling all the planes. 8356 * It'll remain on the screen after the planes are re-enabled 8357 * if we don't. 8358 */ 8359 if (acrtc_state->active_planes == 0) 8360 amdgpu_dm_commit_cursors(state); 8361 8362 /* update planes when needed */ 8363 for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, i) { 8364 struct drm_crtc *crtc = new_plane_state->crtc; 8365 struct drm_crtc_state *new_crtc_state; 8366 struct drm_framebuffer *fb = new_plane_state->fb; 8367 struct amdgpu_framebuffer *afb = (struct amdgpu_framebuffer *)fb; 8368 bool plane_needs_flip; 8369 struct dc_plane_state *dc_plane; 8370 struct dm_plane_state *dm_new_plane_state = to_dm_plane_state(new_plane_state); 8371 8372 /* Cursor plane is handled after stream updates */ 8373 if (plane->type == DRM_PLANE_TYPE_CURSOR) { 8374 if ((fb && crtc == pcrtc) || 8375 (old_plane_state->fb && old_plane_state->crtc == pcrtc)) 8376 cursor_update = true; 8377 8378 continue; 8379 } 8380 8381 if (!fb || !crtc || pcrtc != crtc) 8382 continue; 8383 8384 new_crtc_state = drm_atomic_get_new_crtc_state(state, crtc); 8385 if (!new_crtc_state->active) 8386 continue; 8387 8388 dc_plane = dm_new_plane_state->dc_state; 8389 if (!dc_plane) 8390 continue; 8391 8392 bundle->surface_updates[planes_count].surface = dc_plane; 8393 if (new_pcrtc_state->color_mgmt_changed) { 8394 bundle->surface_updates[planes_count].gamma = dc_plane->gamma_correction; 8395 bundle->surface_updates[planes_count].in_transfer_func = dc_plane->in_transfer_func; 8396 bundle->surface_updates[planes_count].gamut_remap_matrix = &dc_plane->gamut_remap_matrix; 8397 bundle->surface_updates[planes_count].hdr_mult = dc_plane->hdr_mult; 8398 bundle->surface_updates[planes_count].func_shaper = dc_plane->in_shaper_func; 8399 bundle->surface_updates[planes_count].lut3d_func = dc_plane->lut3d_func; 8400 bundle->surface_updates[planes_count].blend_tf = dc_plane->blend_tf; 8401 } 8402 8403 amdgpu_dm_plane_fill_dc_scaling_info(dm->adev, new_plane_state, 8404 &bundle->scaling_infos[planes_count]); 8405 8406 bundle->surface_updates[planes_count].scaling_info = 8407 &bundle->scaling_infos[planes_count]; 8408 8409 plane_needs_flip = old_plane_state->fb && new_plane_state->fb; 8410 8411 pflip_present = pflip_present || plane_needs_flip; 8412 8413 if (!plane_needs_flip) { 8414 planes_count += 1; 8415 continue; 8416 } 8417 8418 fill_dc_plane_info_and_addr( 8419 dm->adev, new_plane_state, 8420 afb->tiling_flags, 8421 &bundle->plane_infos[planes_count], 8422 &bundle->flip_addrs[planes_count].address, 8423 afb->tmz_surface, false); 8424 8425 drm_dbg_state(state->dev, "plane: id=%d dcc_en=%d\n", 8426 new_plane_state->plane->index, 8427 bundle->plane_infos[planes_count].dcc.enable); 8428 8429 bundle->surface_updates[planes_count].plane_info = 8430 &bundle->plane_infos[planes_count]; 8431 8432 if (acrtc_state->stream->link->psr_settings.psr_feature_enabled || 8433 acrtc_state->stream->link->replay_settings.replay_feature_enabled) { 8434 fill_dc_dirty_rects(plane, old_plane_state, 8435 new_plane_state, new_crtc_state, 8436 &bundle->flip_addrs[planes_count], 8437 acrtc_state->stream->link->psr_settings.psr_version == 8438 DC_PSR_VERSION_SU_1, 8439 &dirty_rects_changed); 8440 8441 /* 8442 * If the dirty regions changed, PSR-SU need to be disabled temporarily 8443 * and enabled it again after dirty regions are stable to avoid video glitch. 8444 * PSR-SU will be enabled in vblank_control_worker() if user pause the video 8445 * during the PSR-SU was disabled. 8446 */ 8447 if (acrtc_state->stream->link->psr_settings.psr_version >= DC_PSR_VERSION_SU_1 && 8448 acrtc_attach->dm_irq_params.allow_psr_entry && 8449 #ifdef CONFIG_DRM_AMD_SECURE_DISPLAY 8450 !amdgpu_dm_crc_window_is_activated(acrtc_state->base.crtc) && 8451 #endif 8452 dirty_rects_changed) { 8453 mutex_lock(&dm->dc_lock); 8454 acrtc_state->stream->link->psr_settings.psr_dirty_rects_change_timestamp_ns = 8455 timestamp_ns; 8456 if (acrtc_state->stream->link->psr_settings.psr_allow_active) 8457 amdgpu_dm_psr_disable(acrtc_state->stream); 8458 mutex_unlock(&dm->dc_lock); 8459 } 8460 } 8461 8462 /* 8463 * Only allow immediate flips for fast updates that don't 8464 * change memory domain, FB pitch, DCC state, rotation or 8465 * mirroring. 8466 * 8467 * dm_crtc_helper_atomic_check() only accepts async flips with 8468 * fast updates. 8469 */ 8470 if (crtc->state->async_flip && 8471 (acrtc_state->update_type != UPDATE_TYPE_FAST || 8472 get_mem_type(old_plane_state->fb) != get_mem_type(fb))) 8473 drm_warn_once(state->dev, 8474 "[PLANE:%d:%s] async flip with non-fast update\n", 8475 plane->base.id, plane->name); 8476 8477 bundle->flip_addrs[planes_count].flip_immediate = 8478 crtc->state->async_flip && 8479 acrtc_state->update_type == UPDATE_TYPE_FAST && 8480 get_mem_type(old_plane_state->fb) == get_mem_type(fb); 8481 8482 timestamp_ns = ktime_get_ns(); 8483 bundle->flip_addrs[planes_count].flip_timestamp_in_us = div_u64(timestamp_ns, 1000); 8484 bundle->surface_updates[planes_count].flip_addr = &bundle->flip_addrs[planes_count]; 8485 bundle->surface_updates[planes_count].surface = dc_plane; 8486 8487 if (!bundle->surface_updates[planes_count].surface) { 8488 DRM_ERROR("No surface for CRTC: id=%d\n", 8489 acrtc_attach->crtc_id); 8490 continue; 8491 } 8492 8493 if (plane == pcrtc->primary) 8494 update_freesync_state_on_stream( 8495 dm, 8496 acrtc_state, 8497 acrtc_state->stream, 8498 dc_plane, 8499 bundle->flip_addrs[planes_count].flip_timestamp_in_us); 8500 8501 drm_dbg_state(state->dev, "%s Flipping to hi: 0x%x, low: 0x%x\n", 8502 __func__, 8503 bundle->flip_addrs[planes_count].address.grph.addr.high_part, 8504 bundle->flip_addrs[planes_count].address.grph.addr.low_part); 8505 8506 planes_count += 1; 8507 8508 } 8509 8510 if (pflip_present) { 8511 if (!vrr_active) { 8512 /* Use old throttling in non-vrr fixed refresh rate mode 8513 * to keep flip scheduling based on target vblank counts 8514 * working in a backwards compatible way, e.g., for 8515 * clients using the GLX_OML_sync_control extension or 8516 * DRI3/Present extension with defined target_msc. 8517 */ 8518 last_flip_vblank = amdgpu_get_vblank_counter_kms(pcrtc); 8519 } else { 8520 /* For variable refresh rate mode only: 8521 * Get vblank of last completed flip to avoid > 1 vrr 8522 * flips per video frame by use of throttling, but allow 8523 * flip programming anywhere in the possibly large 8524 * variable vrr vblank interval for fine-grained flip 8525 * timing control and more opportunity to avoid stutter 8526 * on late submission of flips. 8527 */ 8528 spin_lock_irqsave(&pcrtc->dev->event_lock, flags); 8529 last_flip_vblank = acrtc_attach->dm_irq_params.last_flip_vblank; 8530 spin_unlock_irqrestore(&pcrtc->dev->event_lock, flags); 8531 } 8532 8533 target_vblank = last_flip_vblank + wait_for_vblank; 8534 8535 /* 8536 * Wait until we're out of the vertical blank period before the one 8537 * targeted by the flip 8538 */ 8539 while ((acrtc_attach->enabled && 8540 (amdgpu_display_get_crtc_scanoutpos(dm->ddev, acrtc_attach->crtc_id, 8541 0, &vpos, &hpos, NULL, 8542 NULL, &pcrtc->hwmode) 8543 & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK)) == 8544 (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK) && 8545 (int)(target_vblank - 8546 amdgpu_get_vblank_counter_kms(pcrtc)) > 0)) { 8547 usleep_range(1000, 1100); 8548 } 8549 8550 /** 8551 * Prepare the flip event for the pageflip interrupt to handle. 8552 * 8553 * This only works in the case where we've already turned on the 8554 * appropriate hardware blocks (eg. HUBP) so in the transition case 8555 * from 0 -> n planes we have to skip a hardware generated event 8556 * and rely on sending it from software. 8557 */ 8558 if (acrtc_attach->base.state->event && 8559 acrtc_state->active_planes > 0) { 8560 drm_crtc_vblank_get(pcrtc); 8561 8562 spin_lock_irqsave(&pcrtc->dev->event_lock, flags); 8563 8564 WARN_ON(acrtc_attach->pflip_status != AMDGPU_FLIP_NONE); 8565 prepare_flip_isr(acrtc_attach); 8566 8567 spin_unlock_irqrestore(&pcrtc->dev->event_lock, flags); 8568 } 8569 8570 if (acrtc_state->stream) { 8571 if (acrtc_state->freesync_vrr_info_changed) 8572 bundle->stream_update.vrr_infopacket = 8573 &acrtc_state->stream->vrr_infopacket; 8574 } 8575 } else if (cursor_update && acrtc_state->active_planes > 0 && 8576 acrtc_attach->base.state->event) { 8577 drm_crtc_vblank_get(pcrtc); 8578 8579 spin_lock_irqsave(&pcrtc->dev->event_lock, flags); 8580 8581 acrtc_attach->event = acrtc_attach->base.state->event; 8582 acrtc_attach->base.state->event = NULL; 8583 8584 spin_unlock_irqrestore(&pcrtc->dev->event_lock, flags); 8585 } 8586 8587 /* Update the planes if changed or disable if we don't have any. */ 8588 if ((planes_count || acrtc_state->active_planes == 0) && 8589 acrtc_state->stream) { 8590 /* 8591 * If PSR or idle optimizations are enabled then flush out 8592 * any pending work before hardware programming. 8593 */ 8594 if (dm->vblank_control_workqueue) 8595 flush_workqueue(dm->vblank_control_workqueue); 8596 8597 bundle->stream_update.stream = acrtc_state->stream; 8598 if (new_pcrtc_state->mode_changed) { 8599 bundle->stream_update.src = acrtc_state->stream->src; 8600 bundle->stream_update.dst = acrtc_state->stream->dst; 8601 } 8602 8603 if (new_pcrtc_state->color_mgmt_changed) { 8604 /* 8605 * TODO: This isn't fully correct since we've actually 8606 * already modified the stream in place. 8607 */ 8608 bundle->stream_update.gamut_remap = 8609 &acrtc_state->stream->gamut_remap_matrix; 8610 bundle->stream_update.output_csc_transform = 8611 &acrtc_state->stream->csc_color_matrix; 8612 bundle->stream_update.out_transfer_func = 8613 acrtc_state->stream->out_transfer_func; 8614 bundle->stream_update.lut3d_func = 8615 (struct dc_3dlut *) acrtc_state->stream->lut3d_func; 8616 bundle->stream_update.func_shaper = 8617 (struct dc_transfer_func *) acrtc_state->stream->func_shaper; 8618 } 8619 8620 acrtc_state->stream->abm_level = acrtc_state->abm_level; 8621 if (acrtc_state->abm_level != dm_old_crtc_state->abm_level) 8622 bundle->stream_update.abm_level = &acrtc_state->abm_level; 8623 8624 mutex_lock(&dm->dc_lock); 8625 if ((acrtc_state->update_type > UPDATE_TYPE_FAST) && 8626 acrtc_state->stream->link->psr_settings.psr_allow_active) 8627 amdgpu_dm_psr_disable(acrtc_state->stream); 8628 mutex_unlock(&dm->dc_lock); 8629 8630 /* 8631 * If FreeSync state on the stream has changed then we need to 8632 * re-adjust the min/max bounds now that DC doesn't handle this 8633 * as part of commit. 8634 */ 8635 if (is_dc_timing_adjust_needed(dm_old_crtc_state, acrtc_state)) { 8636 spin_lock_irqsave(&pcrtc->dev->event_lock, flags); 8637 dc_stream_adjust_vmin_vmax( 8638 dm->dc, acrtc_state->stream, 8639 &acrtc_attach->dm_irq_params.vrr_params.adjust); 8640 spin_unlock_irqrestore(&pcrtc->dev->event_lock, flags); 8641 } 8642 mutex_lock(&dm->dc_lock); 8643 update_planes_and_stream_adapter(dm->dc, 8644 acrtc_state->update_type, 8645 planes_count, 8646 acrtc_state->stream, 8647 &bundle->stream_update, 8648 bundle->surface_updates); 8649 8650 /** 8651 * Enable or disable the interrupts on the backend. 8652 * 8653 * Most pipes are put into power gating when unused. 8654 * 8655 * When power gating is enabled on a pipe we lose the 8656 * interrupt enablement state when power gating is disabled. 8657 * 8658 * So we need to update the IRQ control state in hardware 8659 * whenever the pipe turns on (since it could be previously 8660 * power gated) or off (since some pipes can't be power gated 8661 * on some ASICs). 8662 */ 8663 if (dm_old_crtc_state->active_planes != acrtc_state->active_planes) 8664 dm_update_pflip_irq_state(drm_to_adev(dev), 8665 acrtc_attach); 8666 8667 if (acrtc_state->update_type > UPDATE_TYPE_FAST) { 8668 if (acrtc_state->stream->link->replay_settings.config.replay_supported && 8669 !acrtc_state->stream->link->replay_settings.replay_feature_enabled) { 8670 struct amdgpu_dm_connector *aconn = 8671 (struct amdgpu_dm_connector *)acrtc_state->stream->dm_stream_context; 8672 amdgpu_dm_link_setup_replay(acrtc_state->stream->link, aconn); 8673 } else if (acrtc_state->stream->link->psr_settings.psr_version != DC_PSR_VERSION_UNSUPPORTED && 8674 !acrtc_state->stream->link->psr_settings.psr_feature_enabled) { 8675 8676 struct amdgpu_dm_connector *aconn = (struct amdgpu_dm_connector *) 8677 acrtc_state->stream->dm_stream_context; 8678 8679 if (!aconn->disallow_edp_enter_psr) 8680 amdgpu_dm_link_setup_psr(acrtc_state->stream); 8681 } 8682 } 8683 8684 /* Decrement skip count when PSR is enabled and we're doing fast updates. */ 8685 if (acrtc_state->update_type == UPDATE_TYPE_FAST && 8686 acrtc_state->stream->link->psr_settings.psr_feature_enabled) { 8687 struct amdgpu_dm_connector *aconn = 8688 (struct amdgpu_dm_connector *)acrtc_state->stream->dm_stream_context; 8689 8690 if (aconn->psr_skip_count > 0) 8691 aconn->psr_skip_count--; 8692 8693 /* Allow PSR when skip count is 0. */ 8694 acrtc_attach->dm_irq_params.allow_psr_entry = !aconn->psr_skip_count; 8695 8696 /* 8697 * If sink supports PSR SU, there is no need to rely on 8698 * a vblank event disable request to enable PSR. PSR SU 8699 * can be enabled immediately once OS demonstrates an 8700 * adequate number of fast atomic commits to notify KMD 8701 * of update events. See `vblank_control_worker()`. 8702 */ 8703 if (acrtc_state->stream->link->psr_settings.psr_version >= DC_PSR_VERSION_SU_1 && 8704 acrtc_attach->dm_irq_params.allow_psr_entry && 8705 #ifdef CONFIG_DRM_AMD_SECURE_DISPLAY 8706 !amdgpu_dm_crc_window_is_activated(acrtc_state->base.crtc) && 8707 #endif 8708 !acrtc_state->stream->link->psr_settings.psr_allow_active && 8709 !aconn->disallow_edp_enter_psr && 8710 (timestamp_ns - 8711 acrtc_state->stream->link->psr_settings.psr_dirty_rects_change_timestamp_ns) > 8712 500000000) 8713 amdgpu_dm_psr_enable(acrtc_state->stream); 8714 } else { 8715 acrtc_attach->dm_irq_params.allow_psr_entry = false; 8716 } 8717 8718 mutex_unlock(&dm->dc_lock); 8719 } 8720 8721 /* 8722 * Update cursor state *after* programming all the planes. 8723 * This avoids redundant programming in the case where we're going 8724 * to be disabling a single plane - those pipes are being disabled. 8725 */ 8726 if (acrtc_state->active_planes) 8727 amdgpu_dm_commit_cursors(state); 8728 8729 cleanup: 8730 kfree(bundle); 8731 } 8732 8733 static void amdgpu_dm_commit_audio(struct drm_device *dev, 8734 struct drm_atomic_state *state) 8735 { 8736 struct amdgpu_device *adev = drm_to_adev(dev); 8737 struct amdgpu_dm_connector *aconnector; 8738 struct drm_connector *connector; 8739 struct drm_connector_state *old_con_state, *new_con_state; 8740 struct drm_crtc_state *new_crtc_state; 8741 struct dm_crtc_state *new_dm_crtc_state; 8742 const struct dc_stream_status *status; 8743 int i, inst; 8744 8745 /* Notify device removals. */ 8746 for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) { 8747 if (old_con_state->crtc != new_con_state->crtc) { 8748 /* CRTC changes require notification. */ 8749 goto notify; 8750 } 8751 8752 if (!new_con_state->crtc) 8753 continue; 8754 8755 new_crtc_state = drm_atomic_get_new_crtc_state( 8756 state, new_con_state->crtc); 8757 8758 if (!new_crtc_state) 8759 continue; 8760 8761 if (!drm_atomic_crtc_needs_modeset(new_crtc_state)) 8762 continue; 8763 8764 if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK) 8765 continue; 8766 8767 notify: 8768 aconnector = to_amdgpu_dm_connector(connector); 8769 8770 mutex_lock(&adev->dm.audio_lock); 8771 inst = aconnector->audio_inst; 8772 aconnector->audio_inst = -1; 8773 mutex_unlock(&adev->dm.audio_lock); 8774 8775 amdgpu_dm_audio_eld_notify(adev, inst); 8776 } 8777 8778 /* Notify audio device additions. */ 8779 for_each_new_connector_in_state(state, connector, new_con_state, i) { 8780 if (!new_con_state->crtc) 8781 continue; 8782 8783 new_crtc_state = drm_atomic_get_new_crtc_state( 8784 state, new_con_state->crtc); 8785 8786 if (!new_crtc_state) 8787 continue; 8788 8789 if (!drm_atomic_crtc_needs_modeset(new_crtc_state)) 8790 continue; 8791 8792 new_dm_crtc_state = to_dm_crtc_state(new_crtc_state); 8793 if (!new_dm_crtc_state->stream) 8794 continue; 8795 8796 status = dc_stream_get_status(new_dm_crtc_state->stream); 8797 if (!status) 8798 continue; 8799 8800 if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK) 8801 continue; 8802 8803 aconnector = to_amdgpu_dm_connector(connector); 8804 8805 mutex_lock(&adev->dm.audio_lock); 8806 inst = status->audio_inst; 8807 aconnector->audio_inst = inst; 8808 mutex_unlock(&adev->dm.audio_lock); 8809 8810 amdgpu_dm_audio_eld_notify(adev, inst); 8811 } 8812 } 8813 8814 /* 8815 * amdgpu_dm_crtc_copy_transient_flags - copy mirrored flags from DRM to DC 8816 * @crtc_state: the DRM CRTC state 8817 * @stream_state: the DC stream state. 8818 * 8819 * Copy the mirrored transient state flags from DRM, to DC. It is used to bring 8820 * a dc_stream_state's flags in sync with a drm_crtc_state's flags. 8821 */ 8822 static void amdgpu_dm_crtc_copy_transient_flags(struct drm_crtc_state *crtc_state, 8823 struct dc_stream_state *stream_state) 8824 { 8825 stream_state->mode_changed = drm_atomic_crtc_needs_modeset(crtc_state); 8826 } 8827 8828 static void dm_clear_writeback(struct amdgpu_display_manager *dm, 8829 struct dm_crtc_state *crtc_state) 8830 { 8831 dc_stream_remove_writeback(dm->dc, crtc_state->stream, 0); 8832 } 8833 8834 static void amdgpu_dm_commit_streams(struct drm_atomic_state *state, 8835 struct dc_state *dc_state) 8836 { 8837 struct drm_device *dev = state->dev; 8838 struct amdgpu_device *adev = drm_to_adev(dev); 8839 struct amdgpu_display_manager *dm = &adev->dm; 8840 struct drm_crtc *crtc; 8841 struct drm_crtc_state *old_crtc_state, *new_crtc_state; 8842 struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state; 8843 struct drm_connector_state *old_con_state; 8844 struct drm_connector *connector; 8845 bool mode_set_reset_required = false; 8846 u32 i; 8847 8848 /* Disable writeback */ 8849 for_each_old_connector_in_state(state, connector, old_con_state, i) { 8850 struct dm_connector_state *dm_old_con_state; 8851 struct amdgpu_crtc *acrtc; 8852 8853 if (connector->connector_type != DRM_MODE_CONNECTOR_WRITEBACK) 8854 continue; 8855 8856 old_crtc_state = NULL; 8857 8858 dm_old_con_state = to_dm_connector_state(old_con_state); 8859 if (!dm_old_con_state->base.crtc) 8860 continue; 8861 8862 acrtc = to_amdgpu_crtc(dm_old_con_state->base.crtc); 8863 if (acrtc) 8864 old_crtc_state = drm_atomic_get_old_crtc_state(state, &acrtc->base); 8865 8866 if (!acrtc->wb_enabled) 8867 continue; 8868 8869 dm_old_crtc_state = to_dm_crtc_state(old_crtc_state); 8870 8871 dm_clear_writeback(dm, dm_old_crtc_state); 8872 acrtc->wb_enabled = false; 8873 } 8874 8875 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, 8876 new_crtc_state, i) { 8877 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); 8878 8879 dm_old_crtc_state = to_dm_crtc_state(old_crtc_state); 8880 8881 if (old_crtc_state->active && 8882 (!new_crtc_state->active || 8883 drm_atomic_crtc_needs_modeset(new_crtc_state))) { 8884 manage_dm_interrupts(adev, acrtc, false); 8885 dc_stream_release(dm_old_crtc_state->stream); 8886 } 8887 } 8888 8889 drm_atomic_helper_calc_timestamping_constants(state); 8890 8891 /* update changed items */ 8892 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { 8893 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); 8894 8895 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); 8896 dm_old_crtc_state = to_dm_crtc_state(old_crtc_state); 8897 8898 drm_dbg_state(state->dev, 8899 "amdgpu_crtc id:%d crtc_state_flags: enable:%d, active:%d, planes_changed:%d, mode_changed:%d,active_changed:%d,connectors_changed:%d\n", 8900 acrtc->crtc_id, 8901 new_crtc_state->enable, 8902 new_crtc_state->active, 8903 new_crtc_state->planes_changed, 8904 new_crtc_state->mode_changed, 8905 new_crtc_state->active_changed, 8906 new_crtc_state->connectors_changed); 8907 8908 /* Disable cursor if disabling crtc */ 8909 if (old_crtc_state->active && !new_crtc_state->active) { 8910 struct dc_cursor_position position; 8911 8912 memset(&position, 0, sizeof(position)); 8913 mutex_lock(&dm->dc_lock); 8914 dc_stream_set_cursor_position(dm_old_crtc_state->stream, &position); 8915 mutex_unlock(&dm->dc_lock); 8916 } 8917 8918 /* Copy all transient state flags into dc state */ 8919 if (dm_new_crtc_state->stream) { 8920 amdgpu_dm_crtc_copy_transient_flags(&dm_new_crtc_state->base, 8921 dm_new_crtc_state->stream); 8922 } 8923 8924 /* handles headless hotplug case, updating new_state and 8925 * aconnector as needed 8926 */ 8927 8928 if (amdgpu_dm_crtc_modeset_required(new_crtc_state, dm_new_crtc_state->stream, dm_old_crtc_state->stream)) { 8929 8930 DRM_DEBUG_ATOMIC("Atomic commit: SET crtc id %d: [%p]\n", acrtc->crtc_id, acrtc); 8931 8932 if (!dm_new_crtc_state->stream) { 8933 /* 8934 * this could happen because of issues with 8935 * userspace notifications delivery. 8936 * In this case userspace tries to set mode on 8937 * display which is disconnected in fact. 8938 * dc_sink is NULL in this case on aconnector. 8939 * We expect reset mode will come soon. 8940 * 8941 * This can also happen when unplug is done 8942 * during resume sequence ended 8943 * 8944 * In this case, we want to pretend we still 8945 * have a sink to keep the pipe running so that 8946 * hw state is consistent with the sw state 8947 */ 8948 DRM_DEBUG_DRIVER("%s: Failed to create new stream for crtc %d\n", 8949 __func__, acrtc->base.base.id); 8950 continue; 8951 } 8952 8953 if (dm_old_crtc_state->stream) 8954 remove_stream(adev, acrtc, dm_old_crtc_state->stream); 8955 8956 pm_runtime_get_noresume(dev->dev); 8957 8958 acrtc->enabled = true; 8959 acrtc->hw_mode = new_crtc_state->mode; 8960 crtc->hwmode = new_crtc_state->mode; 8961 mode_set_reset_required = true; 8962 } else if (modereset_required(new_crtc_state)) { 8963 DRM_DEBUG_ATOMIC("Atomic commit: RESET. crtc id %d:[%p]\n", acrtc->crtc_id, acrtc); 8964 /* i.e. reset mode */ 8965 if (dm_old_crtc_state->stream) 8966 remove_stream(adev, acrtc, dm_old_crtc_state->stream); 8967 8968 mode_set_reset_required = true; 8969 } 8970 } /* for_each_crtc_in_state() */ 8971 8972 /* if there mode set or reset, disable eDP PSR, Replay */ 8973 if (mode_set_reset_required) { 8974 if (dm->vblank_control_workqueue) 8975 flush_workqueue(dm->vblank_control_workqueue); 8976 8977 amdgpu_dm_replay_disable_all(dm); 8978 amdgpu_dm_psr_disable_all(dm); 8979 } 8980 8981 dm_enable_per_frame_crtc_master_sync(dc_state); 8982 mutex_lock(&dm->dc_lock); 8983 WARN_ON(!dc_commit_streams(dm->dc, dc_state->streams, dc_state->stream_count)); 8984 8985 /* Allow idle optimization when vblank count is 0 for display off */ 8986 if (dm->active_vblank_irq_count == 0) 8987 dc_allow_idle_optimizations(dm->dc, true); 8988 mutex_unlock(&dm->dc_lock); 8989 8990 for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) { 8991 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); 8992 8993 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); 8994 8995 if (dm_new_crtc_state->stream != NULL) { 8996 const struct dc_stream_status *status = 8997 dc_stream_get_status(dm_new_crtc_state->stream); 8998 8999 if (!status) 9000 status = dc_state_get_stream_status(dc_state, 9001 dm_new_crtc_state->stream); 9002 if (!status) 9003 drm_err(dev, 9004 "got no status for stream %p on acrtc%p\n", 9005 dm_new_crtc_state->stream, acrtc); 9006 else 9007 acrtc->otg_inst = status->primary_otg_inst; 9008 } 9009 } 9010 } 9011 9012 static void dm_set_writeback(struct amdgpu_display_manager *dm, 9013 struct dm_crtc_state *crtc_state, 9014 struct drm_connector *connector, 9015 struct drm_connector_state *new_con_state) 9016 { 9017 struct drm_writeback_connector *wb_conn = drm_connector_to_writeback(connector); 9018 struct amdgpu_device *adev = dm->adev; 9019 struct amdgpu_crtc *acrtc; 9020 struct dc_writeback_info *wb_info; 9021 struct pipe_ctx *pipe = NULL; 9022 struct amdgpu_framebuffer *afb; 9023 int i = 0; 9024 9025 wb_info = kzalloc(sizeof(*wb_info), GFP_KERNEL); 9026 if (!wb_info) { 9027 DRM_ERROR("Failed to allocate wb_info\n"); 9028 return; 9029 } 9030 9031 acrtc = to_amdgpu_crtc(wb_conn->encoder.crtc); 9032 if (!acrtc) { 9033 DRM_ERROR("no amdgpu_crtc found\n"); 9034 kfree(wb_info); 9035 return; 9036 } 9037 9038 afb = to_amdgpu_framebuffer(new_con_state->writeback_job->fb); 9039 if (!afb) { 9040 DRM_ERROR("No amdgpu_framebuffer found\n"); 9041 kfree(wb_info); 9042 return; 9043 } 9044 9045 for (i = 0; i < MAX_PIPES; i++) { 9046 if (dm->dc->current_state->res_ctx.pipe_ctx[i].stream == crtc_state->stream) { 9047 pipe = &dm->dc->current_state->res_ctx.pipe_ctx[i]; 9048 break; 9049 } 9050 } 9051 9052 /* fill in wb_info */ 9053 wb_info->wb_enabled = true; 9054 9055 wb_info->dwb_pipe_inst = 0; 9056 wb_info->dwb_params.dwbscl_black_color = 0; 9057 wb_info->dwb_params.hdr_mult = 0x1F000; 9058 wb_info->dwb_params.csc_params.gamut_adjust_type = CM_GAMUT_ADJUST_TYPE_BYPASS; 9059 wb_info->dwb_params.csc_params.gamut_coef_format = CM_GAMUT_REMAP_COEF_FORMAT_S2_13; 9060 wb_info->dwb_params.output_depth = DWB_OUTPUT_PIXEL_DEPTH_10BPC; 9061 wb_info->dwb_params.cnv_params.cnv_out_bpc = DWB_CNV_OUT_BPC_10BPC; 9062 9063 /* width & height from crtc */ 9064 wb_info->dwb_params.cnv_params.src_width = acrtc->base.mode.crtc_hdisplay; 9065 wb_info->dwb_params.cnv_params.src_height = acrtc->base.mode.crtc_vdisplay; 9066 wb_info->dwb_params.dest_width = acrtc->base.mode.crtc_hdisplay; 9067 wb_info->dwb_params.dest_height = acrtc->base.mode.crtc_vdisplay; 9068 9069 wb_info->dwb_params.cnv_params.crop_en = false; 9070 wb_info->dwb_params.stereo_params.stereo_enabled = false; 9071 9072 wb_info->dwb_params.cnv_params.out_max_pix_val = 0x3ff; // 10 bits 9073 wb_info->dwb_params.cnv_params.out_min_pix_val = 0; 9074 wb_info->dwb_params.cnv_params.fc_out_format = DWB_OUT_FORMAT_32BPP_ARGB; 9075 wb_info->dwb_params.cnv_params.out_denorm_mode = DWB_OUT_DENORM_BYPASS; 9076 9077 wb_info->dwb_params.out_format = dwb_scaler_mode_bypass444; 9078 9079 wb_info->dwb_params.capture_rate = dwb_capture_rate_0; 9080 9081 wb_info->dwb_params.scaler_taps.h_taps = 4; 9082 wb_info->dwb_params.scaler_taps.v_taps = 4; 9083 wb_info->dwb_params.scaler_taps.h_taps_c = 2; 9084 wb_info->dwb_params.scaler_taps.v_taps_c = 2; 9085 wb_info->dwb_params.subsample_position = DWB_INTERSTITIAL_SUBSAMPLING; 9086 9087 wb_info->mcif_buf_params.luma_pitch = afb->base.pitches[0]; 9088 wb_info->mcif_buf_params.chroma_pitch = afb->base.pitches[1]; 9089 9090 for (i = 0; i < DWB_MCIF_BUF_COUNT; i++) { 9091 wb_info->mcif_buf_params.luma_address[i] = afb->address; 9092 wb_info->mcif_buf_params.chroma_address[i] = 0; 9093 } 9094 9095 wb_info->mcif_buf_params.p_vmid = 1; 9096 if (amdgpu_ip_version(adev, DCE_HWIP, 0) >= IP_VERSION(3, 0, 0)) { 9097 wb_info->mcif_warmup_params.start_address.quad_part = afb->address; 9098 wb_info->mcif_warmup_params.region_size = 9099 wb_info->mcif_buf_params.luma_pitch * wb_info->dwb_params.dest_height; 9100 } 9101 wb_info->mcif_warmup_params.p_vmid = 1; 9102 wb_info->writeback_source_plane = pipe->plane_state; 9103 9104 dc_stream_add_writeback(dm->dc, crtc_state->stream, wb_info); 9105 9106 acrtc->wb_pending = true; 9107 acrtc->wb_conn = wb_conn; 9108 drm_writeback_queue_job(wb_conn, new_con_state); 9109 } 9110 9111 /** 9112 * amdgpu_dm_atomic_commit_tail() - AMDgpu DM's commit tail implementation. 9113 * @state: The atomic state to commit 9114 * 9115 * This will tell DC to commit the constructed DC state from atomic_check, 9116 * programming the hardware. Any failures here implies a hardware failure, since 9117 * atomic check should have filtered anything non-kosher. 9118 */ 9119 static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) 9120 { 9121 struct drm_device *dev = state->dev; 9122 struct amdgpu_device *adev = drm_to_adev(dev); 9123 struct amdgpu_display_manager *dm = &adev->dm; 9124 struct dm_atomic_state *dm_state; 9125 struct dc_state *dc_state = NULL; 9126 u32 i, j; 9127 struct drm_crtc *crtc; 9128 struct drm_crtc_state *old_crtc_state, *new_crtc_state; 9129 unsigned long flags; 9130 bool wait_for_vblank = true; 9131 struct drm_connector *connector; 9132 struct drm_connector_state *old_con_state, *new_con_state; 9133 struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state; 9134 int crtc_disable_count = 0; 9135 9136 trace_amdgpu_dm_atomic_commit_tail_begin(state); 9137 9138 if (dm->dc->caps.ips_support && dm->dc->idle_optimizations_allowed) 9139 dc_allow_idle_optimizations(dm->dc, false); 9140 9141 drm_atomic_helper_update_legacy_modeset_state(dev, state); 9142 drm_dp_mst_atomic_wait_for_dependencies(state); 9143 9144 dm_state = dm_atomic_get_new_state(state); 9145 if (dm_state && dm_state->context) { 9146 dc_state = dm_state->context; 9147 amdgpu_dm_commit_streams(state, dc_state); 9148 } 9149 9150 for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) { 9151 struct dm_connector_state *dm_new_con_state = to_dm_connector_state(new_con_state); 9152 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(dm_new_con_state->base.crtc); 9153 struct amdgpu_dm_connector *aconnector; 9154 9155 if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK) 9156 continue; 9157 9158 aconnector = to_amdgpu_dm_connector(connector); 9159 9160 if (!adev->dm.hdcp_workqueue) 9161 continue; 9162 9163 pr_debug("[HDCP_DM] -------------- i : %x ----------\n", i); 9164 9165 if (!connector) 9166 continue; 9167 9168 pr_debug("[HDCP_DM] connector->index: %x connect_status: %x dpms: %x\n", 9169 connector->index, connector->status, connector->dpms); 9170 pr_debug("[HDCP_DM] state protection old: %x new: %x\n", 9171 old_con_state->content_protection, new_con_state->content_protection); 9172 9173 if (aconnector->dc_sink) { 9174 if (aconnector->dc_sink->sink_signal != SIGNAL_TYPE_VIRTUAL && 9175 aconnector->dc_sink->sink_signal != SIGNAL_TYPE_NONE) { 9176 pr_debug("[HDCP_DM] pipe_ctx dispname=%s\n", 9177 aconnector->dc_sink->edid_caps.display_name); 9178 } 9179 } 9180 9181 new_crtc_state = NULL; 9182 old_crtc_state = NULL; 9183 9184 if (acrtc) { 9185 new_crtc_state = drm_atomic_get_new_crtc_state(state, &acrtc->base); 9186 old_crtc_state = drm_atomic_get_old_crtc_state(state, &acrtc->base); 9187 } 9188 9189 if (old_crtc_state) 9190 pr_debug("old crtc en: %x a: %x m: %x a-chg: %x c-chg: %x\n", 9191 old_crtc_state->enable, 9192 old_crtc_state->active, 9193 old_crtc_state->mode_changed, 9194 old_crtc_state->active_changed, 9195 old_crtc_state->connectors_changed); 9196 9197 if (new_crtc_state) 9198 pr_debug("NEW crtc en: %x a: %x m: %x a-chg: %x c-chg: %x\n", 9199 new_crtc_state->enable, 9200 new_crtc_state->active, 9201 new_crtc_state->mode_changed, 9202 new_crtc_state->active_changed, 9203 new_crtc_state->connectors_changed); 9204 } 9205 9206 for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) { 9207 struct dm_connector_state *dm_new_con_state = to_dm_connector_state(new_con_state); 9208 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(dm_new_con_state->base.crtc); 9209 struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); 9210 9211 if (!adev->dm.hdcp_workqueue) 9212 continue; 9213 9214 new_crtc_state = NULL; 9215 old_crtc_state = NULL; 9216 9217 if (acrtc) { 9218 new_crtc_state = drm_atomic_get_new_crtc_state(state, &acrtc->base); 9219 old_crtc_state = drm_atomic_get_old_crtc_state(state, &acrtc->base); 9220 } 9221 9222 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); 9223 9224 if (dm_new_crtc_state && dm_new_crtc_state->stream == NULL && 9225 connector->state->content_protection == DRM_MODE_CONTENT_PROTECTION_ENABLED) { 9226 hdcp_reset_display(adev->dm.hdcp_workqueue, aconnector->dc_link->link_index); 9227 new_con_state->content_protection = DRM_MODE_CONTENT_PROTECTION_DESIRED; 9228 dm_new_con_state->update_hdcp = true; 9229 continue; 9230 } 9231 9232 if (is_content_protection_different(new_crtc_state, old_crtc_state, new_con_state, 9233 old_con_state, connector, adev->dm.hdcp_workqueue)) { 9234 /* when display is unplugged from mst hub, connctor will 9235 * be destroyed within dm_dp_mst_connector_destroy. connector 9236 * hdcp perperties, like type, undesired, desired, enabled, 9237 * will be lost. So, save hdcp properties into hdcp_work within 9238 * amdgpu_dm_atomic_commit_tail. if the same display is 9239 * plugged back with same display index, its hdcp properties 9240 * will be retrieved from hdcp_work within dm_dp_mst_get_modes 9241 */ 9242 9243 bool enable_encryption = false; 9244 9245 if (new_con_state->content_protection == DRM_MODE_CONTENT_PROTECTION_DESIRED) 9246 enable_encryption = true; 9247 9248 if (aconnector->dc_link && aconnector->dc_sink && 9249 aconnector->dc_link->type == dc_connection_mst_branch) { 9250 struct hdcp_workqueue *hdcp_work = adev->dm.hdcp_workqueue; 9251 struct hdcp_workqueue *hdcp_w = 9252 &hdcp_work[aconnector->dc_link->link_index]; 9253 9254 hdcp_w->hdcp_content_type[connector->index] = 9255 new_con_state->hdcp_content_type; 9256 hdcp_w->content_protection[connector->index] = 9257 new_con_state->content_protection; 9258 } 9259 9260 if (new_crtc_state && new_crtc_state->mode_changed && 9261 new_con_state->content_protection >= DRM_MODE_CONTENT_PROTECTION_DESIRED) 9262 enable_encryption = true; 9263 9264 DRM_INFO("[HDCP_DM] hdcp_update_display enable_encryption = %x\n", enable_encryption); 9265 9266 hdcp_update_display( 9267 adev->dm.hdcp_workqueue, aconnector->dc_link->link_index, aconnector, 9268 new_con_state->hdcp_content_type, enable_encryption); 9269 } 9270 } 9271 9272 /* Handle connector state changes */ 9273 for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) { 9274 struct dm_connector_state *dm_new_con_state = to_dm_connector_state(new_con_state); 9275 struct dm_connector_state *dm_old_con_state = to_dm_connector_state(old_con_state); 9276 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(dm_new_con_state->base.crtc); 9277 struct dc_surface_update *dummy_updates; 9278 struct dc_stream_update stream_update; 9279 struct dc_info_packet hdr_packet; 9280 struct dc_stream_status *status = NULL; 9281 bool abm_changed, hdr_changed, scaling_changed; 9282 9283 memset(&stream_update, 0, sizeof(stream_update)); 9284 9285 if (acrtc) { 9286 new_crtc_state = drm_atomic_get_new_crtc_state(state, &acrtc->base); 9287 old_crtc_state = drm_atomic_get_old_crtc_state(state, &acrtc->base); 9288 } 9289 9290 /* Skip any modesets/resets */ 9291 if (!acrtc || drm_atomic_crtc_needs_modeset(new_crtc_state)) 9292 continue; 9293 9294 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); 9295 dm_old_crtc_state = to_dm_crtc_state(old_crtc_state); 9296 9297 scaling_changed = is_scaling_state_different(dm_new_con_state, 9298 dm_old_con_state); 9299 9300 abm_changed = dm_new_crtc_state->abm_level != 9301 dm_old_crtc_state->abm_level; 9302 9303 hdr_changed = 9304 !drm_connector_atomic_hdr_metadata_equal(old_con_state, new_con_state); 9305 9306 if (!scaling_changed && !abm_changed && !hdr_changed) 9307 continue; 9308 9309 stream_update.stream = dm_new_crtc_state->stream; 9310 if (scaling_changed) { 9311 update_stream_scaling_settings(&dm_new_con_state->base.crtc->mode, 9312 dm_new_con_state, dm_new_crtc_state->stream); 9313 9314 stream_update.src = dm_new_crtc_state->stream->src; 9315 stream_update.dst = dm_new_crtc_state->stream->dst; 9316 } 9317 9318 if (abm_changed) { 9319 dm_new_crtc_state->stream->abm_level = dm_new_crtc_state->abm_level; 9320 9321 stream_update.abm_level = &dm_new_crtc_state->abm_level; 9322 } 9323 9324 if (hdr_changed) { 9325 fill_hdr_info_packet(new_con_state, &hdr_packet); 9326 stream_update.hdr_static_metadata = &hdr_packet; 9327 } 9328 9329 status = dc_stream_get_status(dm_new_crtc_state->stream); 9330 9331 if (WARN_ON(!status)) 9332 continue; 9333 9334 WARN_ON(!status->plane_count); 9335 9336 /* 9337 * TODO: DC refuses to perform stream updates without a dc_surface_update. 9338 * Here we create an empty update on each plane. 9339 * To fix this, DC should permit updating only stream properties. 9340 */ 9341 dummy_updates = kzalloc(sizeof(struct dc_surface_update) * MAX_SURFACES, GFP_ATOMIC); 9342 if (!dummy_updates) { 9343 DRM_ERROR("Failed to allocate memory for dummy_updates.\n"); 9344 continue; 9345 } 9346 for (j = 0; j < status->plane_count; j++) 9347 dummy_updates[j].surface = status->plane_states[0]; 9348 9349 9350 mutex_lock(&dm->dc_lock); 9351 dc_update_planes_and_stream(dm->dc, 9352 dummy_updates, 9353 status->plane_count, 9354 dm_new_crtc_state->stream, 9355 &stream_update); 9356 mutex_unlock(&dm->dc_lock); 9357 kfree(dummy_updates); 9358 } 9359 9360 /** 9361 * Enable interrupts for CRTCs that are newly enabled or went through 9362 * a modeset. It was intentionally deferred until after the front end 9363 * state was modified to wait until the OTG was on and so the IRQ 9364 * handlers didn't access stale or invalid state. 9365 */ 9366 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { 9367 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); 9368 #ifdef CONFIG_DEBUG_FS 9369 enum amdgpu_dm_pipe_crc_source cur_crc_src; 9370 #endif 9371 /* Count number of newly disabled CRTCs for dropping PM refs later. */ 9372 if (old_crtc_state->active && !new_crtc_state->active) 9373 crtc_disable_count++; 9374 9375 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); 9376 dm_old_crtc_state = to_dm_crtc_state(old_crtc_state); 9377 9378 /* For freesync config update on crtc state and params for irq */ 9379 update_stream_irq_parameters(dm, dm_new_crtc_state); 9380 9381 #ifdef CONFIG_DEBUG_FS 9382 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags); 9383 cur_crc_src = acrtc->dm_irq_params.crc_src; 9384 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags); 9385 #endif 9386 9387 if (new_crtc_state->active && 9388 (!old_crtc_state->active || 9389 drm_atomic_crtc_needs_modeset(new_crtc_state))) { 9390 dc_stream_retain(dm_new_crtc_state->stream); 9391 acrtc->dm_irq_params.stream = dm_new_crtc_state->stream; 9392 manage_dm_interrupts(adev, acrtc, true); 9393 } 9394 /* Handle vrr on->off / off->on transitions */ 9395 amdgpu_dm_handle_vrr_transition(dm_old_crtc_state, dm_new_crtc_state); 9396 9397 #ifdef CONFIG_DEBUG_FS 9398 if (new_crtc_state->active && 9399 (!old_crtc_state->active || 9400 drm_atomic_crtc_needs_modeset(new_crtc_state))) { 9401 /** 9402 * Frontend may have changed so reapply the CRC capture 9403 * settings for the stream. 9404 */ 9405 if (amdgpu_dm_is_valid_crc_source(cur_crc_src)) { 9406 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY) 9407 if (amdgpu_dm_crc_window_is_activated(crtc)) { 9408 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags); 9409 acrtc->dm_irq_params.window_param.update_win = true; 9410 9411 /** 9412 * It takes 2 frames for HW to stably generate CRC when 9413 * resuming from suspend, so we set skip_frame_cnt 2. 9414 */ 9415 acrtc->dm_irq_params.window_param.skip_frame_cnt = 2; 9416 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags); 9417 } 9418 #endif 9419 if (amdgpu_dm_crtc_configure_crc_source( 9420 crtc, dm_new_crtc_state, cur_crc_src)) 9421 DRM_DEBUG_DRIVER("Failed to configure crc source"); 9422 } 9423 } 9424 #endif 9425 } 9426 9427 for_each_new_crtc_in_state(state, crtc, new_crtc_state, j) 9428 if (new_crtc_state->async_flip) 9429 wait_for_vblank = false; 9430 9431 /* update planes when needed per crtc*/ 9432 for_each_new_crtc_in_state(state, crtc, new_crtc_state, j) { 9433 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); 9434 9435 if (dm_new_crtc_state->stream) 9436 amdgpu_dm_commit_planes(state, dev, dm, crtc, wait_for_vblank); 9437 } 9438 9439 /* Enable writeback */ 9440 for_each_new_connector_in_state(state, connector, new_con_state, i) { 9441 struct dm_connector_state *dm_new_con_state = to_dm_connector_state(new_con_state); 9442 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(dm_new_con_state->base.crtc); 9443 9444 if (connector->connector_type != DRM_MODE_CONNECTOR_WRITEBACK) 9445 continue; 9446 9447 if (!new_con_state->writeback_job) 9448 continue; 9449 9450 new_crtc_state = drm_atomic_get_new_crtc_state(state, &acrtc->base); 9451 9452 if (!new_crtc_state) 9453 continue; 9454 9455 if (acrtc->wb_enabled) 9456 continue; 9457 9458 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); 9459 9460 dm_set_writeback(dm, dm_new_crtc_state, connector, new_con_state); 9461 acrtc->wb_enabled = true; 9462 } 9463 9464 /* Update audio instances for each connector. */ 9465 amdgpu_dm_commit_audio(dev, state); 9466 9467 /* restore the backlight level */ 9468 for (i = 0; i < dm->num_of_edps; i++) { 9469 if (dm->backlight_dev[i] && 9470 (dm->actual_brightness[i] != dm->brightness[i])) 9471 amdgpu_dm_backlight_set_level(dm, i, dm->brightness[i]); 9472 } 9473 9474 /* 9475 * send vblank event on all events not handled in flip and 9476 * mark consumed event for drm_atomic_helper_commit_hw_done 9477 */ 9478 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags); 9479 for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) { 9480 9481 if (new_crtc_state->event) 9482 drm_send_event_locked(dev, &new_crtc_state->event->base); 9483 9484 new_crtc_state->event = NULL; 9485 } 9486 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags); 9487 9488 /* Signal HW programming completion */ 9489 drm_atomic_helper_commit_hw_done(state); 9490 9491 if (wait_for_vblank) 9492 drm_atomic_helper_wait_for_flip_done(dev, state); 9493 9494 drm_atomic_helper_cleanup_planes(dev, state); 9495 9496 /* Don't free the memory if we are hitting this as part of suspend. 9497 * This way we don't free any memory during suspend; see 9498 * amdgpu_bo_free_kernel(). The memory will be freed in the first 9499 * non-suspend modeset or when the driver is torn down. 9500 */ 9501 if (!adev->in_suspend) { 9502 /* return the stolen vga memory back to VRAM */ 9503 if (!adev->mman.keep_stolen_vga_memory) 9504 amdgpu_bo_free_kernel(&adev->mman.stolen_vga_memory, NULL, NULL); 9505 amdgpu_bo_free_kernel(&adev->mman.stolen_extended_memory, NULL, NULL); 9506 } 9507 9508 /* 9509 * Finally, drop a runtime PM reference for each newly disabled CRTC, 9510 * so we can put the GPU into runtime suspend if we're not driving any 9511 * displays anymore 9512 */ 9513 for (i = 0; i < crtc_disable_count; i++) 9514 pm_runtime_put_autosuspend(dev->dev); 9515 pm_runtime_mark_last_busy(dev->dev); 9516 } 9517 9518 static int dm_force_atomic_commit(struct drm_connector *connector) 9519 { 9520 int ret = 0; 9521 struct drm_device *ddev = connector->dev; 9522 struct drm_atomic_state *state = drm_atomic_state_alloc(ddev); 9523 struct amdgpu_crtc *disconnected_acrtc = to_amdgpu_crtc(connector->encoder->crtc); 9524 struct drm_plane *plane = disconnected_acrtc->base.primary; 9525 struct drm_connector_state *conn_state; 9526 struct drm_crtc_state *crtc_state; 9527 struct drm_plane_state *plane_state; 9528 9529 if (!state) 9530 return -ENOMEM; 9531 9532 state->acquire_ctx = ddev->mode_config.acquire_ctx; 9533 9534 /* Construct an atomic state to restore previous display setting */ 9535 9536 /* 9537 * Attach connectors to drm_atomic_state 9538 */ 9539 conn_state = drm_atomic_get_connector_state(state, connector); 9540 9541 ret = PTR_ERR_OR_ZERO(conn_state); 9542 if (ret) 9543 goto out; 9544 9545 /* Attach crtc to drm_atomic_state*/ 9546 crtc_state = drm_atomic_get_crtc_state(state, &disconnected_acrtc->base); 9547 9548 ret = PTR_ERR_OR_ZERO(crtc_state); 9549 if (ret) 9550 goto out; 9551 9552 /* force a restore */ 9553 crtc_state->mode_changed = true; 9554 9555 /* Attach plane to drm_atomic_state */ 9556 plane_state = drm_atomic_get_plane_state(state, plane); 9557 9558 ret = PTR_ERR_OR_ZERO(plane_state); 9559 if (ret) 9560 goto out; 9561 9562 /* Call commit internally with the state we just constructed */ 9563 ret = drm_atomic_commit(state); 9564 9565 out: 9566 drm_atomic_state_put(state); 9567 if (ret) 9568 DRM_ERROR("Restoring old state failed with %i\n", ret); 9569 9570 return ret; 9571 } 9572 9573 /* 9574 * This function handles all cases when set mode does not come upon hotplug. 9575 * This includes when a display is unplugged then plugged back into the 9576 * same port and when running without usermode desktop manager supprot 9577 */ 9578 void dm_restore_drm_connector_state(struct drm_device *dev, 9579 struct drm_connector *connector) 9580 { 9581 struct amdgpu_dm_connector *aconnector; 9582 struct amdgpu_crtc *disconnected_acrtc; 9583 struct dm_crtc_state *acrtc_state; 9584 9585 if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK) 9586 return; 9587 9588 aconnector = to_amdgpu_dm_connector(connector); 9589 9590 if (!aconnector->dc_sink || !connector->state || !connector->encoder) 9591 return; 9592 9593 disconnected_acrtc = to_amdgpu_crtc(connector->encoder->crtc); 9594 if (!disconnected_acrtc) 9595 return; 9596 9597 acrtc_state = to_dm_crtc_state(disconnected_acrtc->base.state); 9598 if (!acrtc_state->stream) 9599 return; 9600 9601 /* 9602 * If the previous sink is not released and different from the current, 9603 * we deduce we are in a state where we can not rely on usermode call 9604 * to turn on the display, so we do it here 9605 */ 9606 if (acrtc_state->stream->sink != aconnector->dc_sink) 9607 dm_force_atomic_commit(&aconnector->base); 9608 } 9609 9610 /* 9611 * Grabs all modesetting locks to serialize against any blocking commits, 9612 * Waits for completion of all non blocking commits. 9613 */ 9614 static int do_aquire_global_lock(struct drm_device *dev, 9615 struct drm_atomic_state *state) 9616 { 9617 struct drm_crtc *crtc; 9618 struct drm_crtc_commit *commit; 9619 long ret; 9620 9621 /* 9622 * Adding all modeset locks to aquire_ctx will 9623 * ensure that when the framework release it the 9624 * extra locks we are locking here will get released to 9625 */ 9626 ret = drm_modeset_lock_all_ctx(dev, state->acquire_ctx); 9627 if (ret) 9628 return ret; 9629 9630 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 9631 spin_lock(&crtc->commit_lock); 9632 commit = list_first_entry_or_null(&crtc->commit_list, 9633 struct drm_crtc_commit, commit_entry); 9634 if (commit) 9635 drm_crtc_commit_get(commit); 9636 spin_unlock(&crtc->commit_lock); 9637 9638 if (!commit) 9639 continue; 9640 9641 /* 9642 * Make sure all pending HW programming completed and 9643 * page flips done 9644 */ 9645 ret = wait_for_completion_interruptible_timeout(&commit->hw_done, 10*HZ); 9646 9647 if (ret > 0) 9648 ret = wait_for_completion_interruptible_timeout( 9649 &commit->flip_done, 10*HZ); 9650 9651 if (ret == 0) 9652 DRM_ERROR("[CRTC:%d:%s] hw_done or flip_done timed out\n", 9653 crtc->base.id, crtc->name); 9654 9655 drm_crtc_commit_put(commit); 9656 } 9657 9658 return ret < 0 ? ret : 0; 9659 } 9660 9661 static void get_freesync_config_for_crtc( 9662 struct dm_crtc_state *new_crtc_state, 9663 struct dm_connector_state *new_con_state) 9664 { 9665 struct mod_freesync_config config = {0}; 9666 struct amdgpu_dm_connector *aconnector; 9667 struct drm_display_mode *mode = &new_crtc_state->base.mode; 9668 int vrefresh = drm_mode_vrefresh(mode); 9669 bool fs_vid_mode = false; 9670 9671 if (new_con_state->base.connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK) 9672 return; 9673 9674 aconnector = to_amdgpu_dm_connector(new_con_state->base.connector); 9675 9676 new_crtc_state->vrr_supported = new_con_state->freesync_capable && 9677 vrefresh >= aconnector->min_vfreq && 9678 vrefresh <= aconnector->max_vfreq; 9679 9680 if (new_crtc_state->vrr_supported) { 9681 new_crtc_state->stream->ignore_msa_timing_param = true; 9682 fs_vid_mode = new_crtc_state->freesync_config.state == VRR_STATE_ACTIVE_FIXED; 9683 9684 config.min_refresh_in_uhz = aconnector->min_vfreq * 1000000; 9685 config.max_refresh_in_uhz = aconnector->max_vfreq * 1000000; 9686 config.vsif_supported = true; 9687 config.btr = true; 9688 9689 if (fs_vid_mode) { 9690 config.state = VRR_STATE_ACTIVE_FIXED; 9691 config.fixed_refresh_in_uhz = new_crtc_state->freesync_config.fixed_refresh_in_uhz; 9692 goto out; 9693 } else if (new_crtc_state->base.vrr_enabled) { 9694 config.state = VRR_STATE_ACTIVE_VARIABLE; 9695 } else { 9696 config.state = VRR_STATE_INACTIVE; 9697 } 9698 } 9699 out: 9700 new_crtc_state->freesync_config = config; 9701 } 9702 9703 static void reset_freesync_config_for_crtc( 9704 struct dm_crtc_state *new_crtc_state) 9705 { 9706 new_crtc_state->vrr_supported = false; 9707 9708 memset(&new_crtc_state->vrr_infopacket, 0, 9709 sizeof(new_crtc_state->vrr_infopacket)); 9710 } 9711 9712 static bool 9713 is_timing_unchanged_for_freesync(struct drm_crtc_state *old_crtc_state, 9714 struct drm_crtc_state *new_crtc_state) 9715 { 9716 const struct drm_display_mode *old_mode, *new_mode; 9717 9718 if (!old_crtc_state || !new_crtc_state) 9719 return false; 9720 9721 old_mode = &old_crtc_state->mode; 9722 new_mode = &new_crtc_state->mode; 9723 9724 if (old_mode->clock == new_mode->clock && 9725 old_mode->hdisplay == new_mode->hdisplay && 9726 old_mode->vdisplay == new_mode->vdisplay && 9727 old_mode->htotal == new_mode->htotal && 9728 old_mode->vtotal != new_mode->vtotal && 9729 old_mode->hsync_start == new_mode->hsync_start && 9730 old_mode->vsync_start != new_mode->vsync_start && 9731 old_mode->hsync_end == new_mode->hsync_end && 9732 old_mode->vsync_end != new_mode->vsync_end && 9733 old_mode->hskew == new_mode->hskew && 9734 old_mode->vscan == new_mode->vscan && 9735 (old_mode->vsync_end - old_mode->vsync_start) == 9736 (new_mode->vsync_end - new_mode->vsync_start)) 9737 return true; 9738 9739 return false; 9740 } 9741 9742 static void set_freesync_fixed_config(struct dm_crtc_state *dm_new_crtc_state) 9743 { 9744 u64 num, den, res; 9745 struct drm_crtc_state *new_crtc_state = &dm_new_crtc_state->base; 9746 9747 dm_new_crtc_state->freesync_config.state = VRR_STATE_ACTIVE_FIXED; 9748 9749 num = (unsigned long long)new_crtc_state->mode.clock * 1000 * 1000000; 9750 den = (unsigned long long)new_crtc_state->mode.htotal * 9751 (unsigned long long)new_crtc_state->mode.vtotal; 9752 9753 res = div_u64(num, den); 9754 dm_new_crtc_state->freesync_config.fixed_refresh_in_uhz = res; 9755 } 9756 9757 static int dm_update_crtc_state(struct amdgpu_display_manager *dm, 9758 struct drm_atomic_state *state, 9759 struct drm_crtc *crtc, 9760 struct drm_crtc_state *old_crtc_state, 9761 struct drm_crtc_state *new_crtc_state, 9762 bool enable, 9763 bool *lock_and_validation_needed) 9764 { 9765 struct dm_atomic_state *dm_state = NULL; 9766 struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state; 9767 struct dc_stream_state *new_stream; 9768 int ret = 0; 9769 9770 /* 9771 * TODO Move this code into dm_crtc_atomic_check once we get rid of dc_validation_set 9772 * update changed items 9773 */ 9774 struct amdgpu_crtc *acrtc = NULL; 9775 struct drm_connector *connector = NULL; 9776 struct amdgpu_dm_connector *aconnector = NULL; 9777 struct drm_connector_state *drm_new_conn_state = NULL, *drm_old_conn_state = NULL; 9778 struct dm_connector_state *dm_new_conn_state = NULL, *dm_old_conn_state = NULL; 9779 9780 new_stream = NULL; 9781 9782 dm_old_crtc_state = to_dm_crtc_state(old_crtc_state); 9783 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); 9784 acrtc = to_amdgpu_crtc(crtc); 9785 connector = amdgpu_dm_find_first_crtc_matching_connector(state, crtc); 9786 if (connector) 9787 aconnector = to_amdgpu_dm_connector(connector); 9788 9789 /* TODO This hack should go away */ 9790 if (connector && enable) { 9791 /* Make sure fake sink is created in plug-in scenario */ 9792 drm_new_conn_state = drm_atomic_get_new_connector_state(state, 9793 connector); 9794 drm_old_conn_state = drm_atomic_get_old_connector_state(state, 9795 connector); 9796 9797 if (IS_ERR(drm_new_conn_state)) { 9798 ret = PTR_ERR_OR_ZERO(drm_new_conn_state); 9799 goto fail; 9800 } 9801 9802 dm_new_conn_state = to_dm_connector_state(drm_new_conn_state); 9803 dm_old_conn_state = to_dm_connector_state(drm_old_conn_state); 9804 9805 if (!drm_atomic_crtc_needs_modeset(new_crtc_state)) 9806 goto skip_modeset; 9807 9808 new_stream = create_validate_stream_for_sink(aconnector, 9809 &new_crtc_state->mode, 9810 dm_new_conn_state, 9811 dm_old_crtc_state->stream); 9812 9813 /* 9814 * we can have no stream on ACTION_SET if a display 9815 * was disconnected during S3, in this case it is not an 9816 * error, the OS will be updated after detection, and 9817 * will do the right thing on next atomic commit 9818 */ 9819 9820 if (!new_stream) { 9821 DRM_DEBUG_DRIVER("%s: Failed to create new stream for crtc %d\n", 9822 __func__, acrtc->base.base.id); 9823 ret = -ENOMEM; 9824 goto fail; 9825 } 9826 9827 /* 9828 * TODO: Check VSDB bits to decide whether this should 9829 * be enabled or not. 9830 */ 9831 new_stream->triggered_crtc_reset.enabled = 9832 dm->force_timing_sync; 9833 9834 dm_new_crtc_state->abm_level = dm_new_conn_state->abm_level; 9835 9836 ret = fill_hdr_info_packet(drm_new_conn_state, 9837 &new_stream->hdr_static_metadata); 9838 if (ret) 9839 goto fail; 9840 9841 /* 9842 * If we already removed the old stream from the context 9843 * (and set the new stream to NULL) then we can't reuse 9844 * the old stream even if the stream and scaling are unchanged. 9845 * We'll hit the BUG_ON and black screen. 9846 * 9847 * TODO: Refactor this function to allow this check to work 9848 * in all conditions. 9849 */ 9850 if (dm_new_crtc_state->stream && 9851 is_timing_unchanged_for_freesync(new_crtc_state, old_crtc_state)) 9852 goto skip_modeset; 9853 9854 if (dm_new_crtc_state->stream && 9855 dc_is_stream_unchanged(new_stream, dm_old_crtc_state->stream) && 9856 dc_is_stream_scaling_unchanged(new_stream, dm_old_crtc_state->stream)) { 9857 new_crtc_state->mode_changed = false; 9858 DRM_DEBUG_DRIVER("Mode change not required, setting mode_changed to %d", 9859 new_crtc_state->mode_changed); 9860 } 9861 } 9862 9863 /* mode_changed flag may get updated above, need to check again */ 9864 if (!drm_atomic_crtc_needs_modeset(new_crtc_state)) 9865 goto skip_modeset; 9866 9867 drm_dbg_state(state->dev, 9868 "amdgpu_crtc id:%d crtc_state_flags: enable:%d, active:%d, planes_changed:%d, mode_changed:%d,active_changed:%d,connectors_changed:%d\n", 9869 acrtc->crtc_id, 9870 new_crtc_state->enable, 9871 new_crtc_state->active, 9872 new_crtc_state->planes_changed, 9873 new_crtc_state->mode_changed, 9874 new_crtc_state->active_changed, 9875 new_crtc_state->connectors_changed); 9876 9877 /* Remove stream for any changed/disabled CRTC */ 9878 if (!enable) { 9879 9880 if (!dm_old_crtc_state->stream) 9881 goto skip_modeset; 9882 9883 /* Unset freesync video if it was active before */ 9884 if (dm_old_crtc_state->freesync_config.state == VRR_STATE_ACTIVE_FIXED) { 9885 dm_new_crtc_state->freesync_config.state = VRR_STATE_INACTIVE; 9886 dm_new_crtc_state->freesync_config.fixed_refresh_in_uhz = 0; 9887 } 9888 9889 /* Now check if we should set freesync video mode */ 9890 if (dm_new_crtc_state->stream && 9891 dc_is_stream_unchanged(new_stream, dm_old_crtc_state->stream) && 9892 dc_is_stream_scaling_unchanged(new_stream, dm_old_crtc_state->stream) && 9893 is_timing_unchanged_for_freesync(new_crtc_state, 9894 old_crtc_state)) { 9895 new_crtc_state->mode_changed = false; 9896 DRM_DEBUG_DRIVER( 9897 "Mode change not required for front porch change, setting mode_changed to %d", 9898 new_crtc_state->mode_changed); 9899 9900 set_freesync_fixed_config(dm_new_crtc_state); 9901 9902 goto skip_modeset; 9903 } else if (aconnector && 9904 is_freesync_video_mode(&new_crtc_state->mode, 9905 aconnector)) { 9906 struct drm_display_mode *high_mode; 9907 9908 high_mode = get_highest_refresh_rate_mode(aconnector, false); 9909 if (!drm_mode_equal(&new_crtc_state->mode, high_mode)) 9910 set_freesync_fixed_config(dm_new_crtc_state); 9911 } 9912 9913 ret = dm_atomic_get_state(state, &dm_state); 9914 if (ret) 9915 goto fail; 9916 9917 DRM_DEBUG_DRIVER("Disabling DRM crtc: %d\n", 9918 crtc->base.id); 9919 9920 /* i.e. reset mode */ 9921 if (dc_state_remove_stream( 9922 dm->dc, 9923 dm_state->context, 9924 dm_old_crtc_state->stream) != DC_OK) { 9925 ret = -EINVAL; 9926 goto fail; 9927 } 9928 9929 dc_stream_release(dm_old_crtc_state->stream); 9930 dm_new_crtc_state->stream = NULL; 9931 9932 reset_freesync_config_for_crtc(dm_new_crtc_state); 9933 9934 *lock_and_validation_needed = true; 9935 9936 } else {/* Add stream for any updated/enabled CRTC */ 9937 /* 9938 * Quick fix to prevent NULL pointer on new_stream when 9939 * added MST connectors not found in existing crtc_state in the chained mode 9940 * TODO: need to dig out the root cause of that 9941 */ 9942 if (!connector) 9943 goto skip_modeset; 9944 9945 if (modereset_required(new_crtc_state)) 9946 goto skip_modeset; 9947 9948 if (amdgpu_dm_crtc_modeset_required(new_crtc_state, new_stream, 9949 dm_old_crtc_state->stream)) { 9950 9951 WARN_ON(dm_new_crtc_state->stream); 9952 9953 ret = dm_atomic_get_state(state, &dm_state); 9954 if (ret) 9955 goto fail; 9956 9957 dm_new_crtc_state->stream = new_stream; 9958 9959 dc_stream_retain(new_stream); 9960 9961 DRM_DEBUG_ATOMIC("Enabling DRM crtc: %d\n", 9962 crtc->base.id); 9963 9964 if (dc_state_add_stream( 9965 dm->dc, 9966 dm_state->context, 9967 dm_new_crtc_state->stream) != DC_OK) { 9968 ret = -EINVAL; 9969 goto fail; 9970 } 9971 9972 *lock_and_validation_needed = true; 9973 } 9974 } 9975 9976 skip_modeset: 9977 /* Release extra reference */ 9978 if (new_stream) 9979 dc_stream_release(new_stream); 9980 9981 /* 9982 * We want to do dc stream updates that do not require a 9983 * full modeset below. 9984 */ 9985 if (!(enable && connector && new_crtc_state->active)) 9986 return 0; 9987 /* 9988 * Given above conditions, the dc state cannot be NULL because: 9989 * 1. We're in the process of enabling CRTCs (just been added 9990 * to the dc context, or already is on the context) 9991 * 2. Has a valid connector attached, and 9992 * 3. Is currently active and enabled. 9993 * => The dc stream state currently exists. 9994 */ 9995 BUG_ON(dm_new_crtc_state->stream == NULL); 9996 9997 /* Scaling or underscan settings */ 9998 if (is_scaling_state_different(dm_old_conn_state, dm_new_conn_state) || 9999 drm_atomic_crtc_needs_modeset(new_crtc_state)) 10000 update_stream_scaling_settings( 10001 &new_crtc_state->mode, dm_new_conn_state, dm_new_crtc_state->stream); 10002 10003 /* ABM settings */ 10004 dm_new_crtc_state->abm_level = dm_new_conn_state->abm_level; 10005 10006 /* 10007 * Color management settings. We also update color properties 10008 * when a modeset is needed, to ensure it gets reprogrammed. 10009 */ 10010 if (dm_new_crtc_state->base.color_mgmt_changed || 10011 dm_old_crtc_state->regamma_tf != dm_new_crtc_state->regamma_tf || 10012 drm_atomic_crtc_needs_modeset(new_crtc_state)) { 10013 ret = amdgpu_dm_update_crtc_color_mgmt(dm_new_crtc_state); 10014 if (ret) 10015 goto fail; 10016 } 10017 10018 /* Update Freesync settings. */ 10019 get_freesync_config_for_crtc(dm_new_crtc_state, 10020 dm_new_conn_state); 10021 10022 return ret; 10023 10024 fail: 10025 if (new_stream) 10026 dc_stream_release(new_stream); 10027 return ret; 10028 } 10029 10030 static bool should_reset_plane(struct drm_atomic_state *state, 10031 struct drm_plane *plane, 10032 struct drm_plane_state *old_plane_state, 10033 struct drm_plane_state *new_plane_state) 10034 { 10035 struct drm_plane *other; 10036 struct drm_plane_state *old_other_state, *new_other_state; 10037 struct drm_crtc_state *new_crtc_state; 10038 struct amdgpu_device *adev = drm_to_adev(plane->dev); 10039 int i; 10040 10041 /* 10042 * TODO: Remove this hack for all asics once it proves that the 10043 * fast updates works fine on DCN3.2+. 10044 */ 10045 if (amdgpu_ip_version(adev, DCE_HWIP, 0) < IP_VERSION(3, 2, 0) && 10046 state->allow_modeset) 10047 return true; 10048 10049 /* Exit early if we know that we're adding or removing the plane. */ 10050 if (old_plane_state->crtc != new_plane_state->crtc) 10051 return true; 10052 10053 /* old crtc == new_crtc == NULL, plane not in context. */ 10054 if (!new_plane_state->crtc) 10055 return false; 10056 10057 new_crtc_state = 10058 drm_atomic_get_new_crtc_state(state, new_plane_state->crtc); 10059 10060 if (!new_crtc_state) 10061 return true; 10062 10063 /* CRTC Degamma changes currently require us to recreate planes. */ 10064 if (new_crtc_state->color_mgmt_changed) 10065 return true; 10066 10067 if (drm_atomic_crtc_needs_modeset(new_crtc_state)) 10068 return true; 10069 10070 /* 10071 * If there are any new primary or overlay planes being added or 10072 * removed then the z-order can potentially change. To ensure 10073 * correct z-order and pipe acquisition the current DC architecture 10074 * requires us to remove and recreate all existing planes. 10075 * 10076 * TODO: Come up with a more elegant solution for this. 10077 */ 10078 for_each_oldnew_plane_in_state(state, other, old_other_state, new_other_state, i) { 10079 struct amdgpu_framebuffer *old_afb, *new_afb; 10080 struct dm_plane_state *dm_new_other_state, *dm_old_other_state; 10081 10082 dm_new_other_state = to_dm_plane_state(new_other_state); 10083 dm_old_other_state = to_dm_plane_state(old_other_state); 10084 10085 if (other->type == DRM_PLANE_TYPE_CURSOR) 10086 continue; 10087 10088 if (old_other_state->crtc != new_plane_state->crtc && 10089 new_other_state->crtc != new_plane_state->crtc) 10090 continue; 10091 10092 if (old_other_state->crtc != new_other_state->crtc) 10093 return true; 10094 10095 /* Src/dst size and scaling updates. */ 10096 if (old_other_state->src_w != new_other_state->src_w || 10097 old_other_state->src_h != new_other_state->src_h || 10098 old_other_state->crtc_w != new_other_state->crtc_w || 10099 old_other_state->crtc_h != new_other_state->crtc_h) 10100 return true; 10101 10102 /* Rotation / mirroring updates. */ 10103 if (old_other_state->rotation != new_other_state->rotation) 10104 return true; 10105 10106 /* Blending updates. */ 10107 if (old_other_state->pixel_blend_mode != 10108 new_other_state->pixel_blend_mode) 10109 return true; 10110 10111 /* Alpha updates. */ 10112 if (old_other_state->alpha != new_other_state->alpha) 10113 return true; 10114 10115 /* Colorspace changes. */ 10116 if (old_other_state->color_range != new_other_state->color_range || 10117 old_other_state->color_encoding != new_other_state->color_encoding) 10118 return true; 10119 10120 /* HDR/Transfer Function changes. */ 10121 if (dm_old_other_state->degamma_tf != dm_new_other_state->degamma_tf || 10122 dm_old_other_state->degamma_lut != dm_new_other_state->degamma_lut || 10123 dm_old_other_state->hdr_mult != dm_new_other_state->hdr_mult || 10124 dm_old_other_state->ctm != dm_new_other_state->ctm || 10125 dm_old_other_state->shaper_lut != dm_new_other_state->shaper_lut || 10126 dm_old_other_state->shaper_tf != dm_new_other_state->shaper_tf || 10127 dm_old_other_state->lut3d != dm_new_other_state->lut3d || 10128 dm_old_other_state->blend_lut != dm_new_other_state->blend_lut || 10129 dm_old_other_state->blend_tf != dm_new_other_state->blend_tf) 10130 return true; 10131 10132 /* Framebuffer checks fall at the end. */ 10133 if (!old_other_state->fb || !new_other_state->fb) 10134 continue; 10135 10136 /* Pixel format changes can require bandwidth updates. */ 10137 if (old_other_state->fb->format != new_other_state->fb->format) 10138 return true; 10139 10140 old_afb = (struct amdgpu_framebuffer *)old_other_state->fb; 10141 new_afb = (struct amdgpu_framebuffer *)new_other_state->fb; 10142 10143 /* Tiling and DCC changes also require bandwidth updates. */ 10144 if (old_afb->tiling_flags != new_afb->tiling_flags || 10145 old_afb->base.modifier != new_afb->base.modifier) 10146 return true; 10147 } 10148 10149 return false; 10150 } 10151 10152 static int dm_check_cursor_fb(struct amdgpu_crtc *new_acrtc, 10153 struct drm_plane_state *new_plane_state, 10154 struct drm_framebuffer *fb) 10155 { 10156 struct amdgpu_device *adev = drm_to_adev(new_acrtc->base.dev); 10157 struct amdgpu_framebuffer *afb = to_amdgpu_framebuffer(fb); 10158 unsigned int pitch; 10159 bool linear; 10160 10161 if (fb->width > new_acrtc->max_cursor_width || 10162 fb->height > new_acrtc->max_cursor_height) { 10163 DRM_DEBUG_ATOMIC("Bad cursor FB size %dx%d\n", 10164 new_plane_state->fb->width, 10165 new_plane_state->fb->height); 10166 return -EINVAL; 10167 } 10168 if (new_plane_state->src_w != fb->width << 16 || 10169 new_plane_state->src_h != fb->height << 16) { 10170 DRM_DEBUG_ATOMIC("Cropping not supported for cursor plane\n"); 10171 return -EINVAL; 10172 } 10173 10174 /* Pitch in pixels */ 10175 pitch = fb->pitches[0] / fb->format->cpp[0]; 10176 10177 if (fb->width != pitch) { 10178 DRM_DEBUG_ATOMIC("Cursor FB width %d doesn't match pitch %d", 10179 fb->width, pitch); 10180 return -EINVAL; 10181 } 10182 10183 switch (pitch) { 10184 case 64: 10185 case 128: 10186 case 256: 10187 /* FB pitch is supported by cursor plane */ 10188 break; 10189 default: 10190 DRM_DEBUG_ATOMIC("Bad cursor FB pitch %d px\n", pitch); 10191 return -EINVAL; 10192 } 10193 10194 /* Core DRM takes care of checking FB modifiers, so we only need to 10195 * check tiling flags when the FB doesn't have a modifier. 10196 */ 10197 if (!(fb->flags & DRM_MODE_FB_MODIFIERS)) { 10198 if (adev->family < AMDGPU_FAMILY_AI) { 10199 linear = AMDGPU_TILING_GET(afb->tiling_flags, ARRAY_MODE) != DC_ARRAY_2D_TILED_THIN1 && 10200 AMDGPU_TILING_GET(afb->tiling_flags, ARRAY_MODE) != DC_ARRAY_1D_TILED_THIN1 && 10201 AMDGPU_TILING_GET(afb->tiling_flags, MICRO_TILE_MODE) == 0; 10202 } else { 10203 linear = AMDGPU_TILING_GET(afb->tiling_flags, SWIZZLE_MODE) == 0; 10204 } 10205 if (!linear) { 10206 DRM_DEBUG_ATOMIC("Cursor FB not linear"); 10207 return -EINVAL; 10208 } 10209 } 10210 10211 return 0; 10212 } 10213 10214 static int dm_update_plane_state(struct dc *dc, 10215 struct drm_atomic_state *state, 10216 struct drm_plane *plane, 10217 struct drm_plane_state *old_plane_state, 10218 struct drm_plane_state *new_plane_state, 10219 bool enable, 10220 bool *lock_and_validation_needed, 10221 bool *is_top_most_overlay) 10222 { 10223 10224 struct dm_atomic_state *dm_state = NULL; 10225 struct drm_crtc *new_plane_crtc, *old_plane_crtc; 10226 struct drm_crtc_state *old_crtc_state, *new_crtc_state; 10227 struct dm_crtc_state *dm_new_crtc_state, *dm_old_crtc_state; 10228 struct dm_plane_state *dm_new_plane_state, *dm_old_plane_state; 10229 struct amdgpu_crtc *new_acrtc; 10230 bool needs_reset; 10231 int ret = 0; 10232 10233 10234 new_plane_crtc = new_plane_state->crtc; 10235 old_plane_crtc = old_plane_state->crtc; 10236 dm_new_plane_state = to_dm_plane_state(new_plane_state); 10237 dm_old_plane_state = to_dm_plane_state(old_plane_state); 10238 10239 if (plane->type == DRM_PLANE_TYPE_CURSOR) { 10240 if (!enable || !new_plane_crtc || 10241 drm_atomic_plane_disabling(plane->state, new_plane_state)) 10242 return 0; 10243 10244 new_acrtc = to_amdgpu_crtc(new_plane_crtc); 10245 10246 if (new_plane_state->src_x != 0 || new_plane_state->src_y != 0) { 10247 DRM_DEBUG_ATOMIC("Cropping not supported for cursor plane\n"); 10248 return -EINVAL; 10249 } 10250 10251 if (new_plane_state->fb) { 10252 ret = dm_check_cursor_fb(new_acrtc, new_plane_state, 10253 new_plane_state->fb); 10254 if (ret) 10255 return ret; 10256 } 10257 10258 return 0; 10259 } 10260 10261 needs_reset = should_reset_plane(state, plane, old_plane_state, 10262 new_plane_state); 10263 10264 /* Remove any changed/removed planes */ 10265 if (!enable) { 10266 if (!needs_reset) 10267 return 0; 10268 10269 if (!old_plane_crtc) 10270 return 0; 10271 10272 old_crtc_state = drm_atomic_get_old_crtc_state( 10273 state, old_plane_crtc); 10274 dm_old_crtc_state = to_dm_crtc_state(old_crtc_state); 10275 10276 if (!dm_old_crtc_state->stream) 10277 return 0; 10278 10279 DRM_DEBUG_ATOMIC("Disabling DRM plane: %d on DRM crtc %d\n", 10280 plane->base.id, old_plane_crtc->base.id); 10281 10282 ret = dm_atomic_get_state(state, &dm_state); 10283 if (ret) 10284 return ret; 10285 10286 if (!dc_state_remove_plane( 10287 dc, 10288 dm_old_crtc_state->stream, 10289 dm_old_plane_state->dc_state, 10290 dm_state->context)) { 10291 10292 return -EINVAL; 10293 } 10294 10295 if (dm_old_plane_state->dc_state) 10296 dc_plane_state_release(dm_old_plane_state->dc_state); 10297 10298 dm_new_plane_state->dc_state = NULL; 10299 10300 *lock_and_validation_needed = true; 10301 10302 } else { /* Add new planes */ 10303 struct dc_plane_state *dc_new_plane_state; 10304 10305 if (drm_atomic_plane_disabling(plane->state, new_plane_state)) 10306 return 0; 10307 10308 if (!new_plane_crtc) 10309 return 0; 10310 10311 new_crtc_state = drm_atomic_get_new_crtc_state(state, new_plane_crtc); 10312 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); 10313 10314 if (!dm_new_crtc_state->stream) 10315 return 0; 10316 10317 if (!needs_reset) 10318 return 0; 10319 10320 ret = amdgpu_dm_plane_helper_check_state(new_plane_state, new_crtc_state); 10321 if (ret) 10322 return ret; 10323 10324 WARN_ON(dm_new_plane_state->dc_state); 10325 10326 dc_new_plane_state = dc_create_plane_state(dc); 10327 if (!dc_new_plane_state) 10328 return -ENOMEM; 10329 10330 /* Block top most plane from being a video plane */ 10331 if (plane->type == DRM_PLANE_TYPE_OVERLAY) { 10332 if (amdgpu_dm_plane_is_video_format(new_plane_state->fb->format->format) && *is_top_most_overlay) 10333 return -EINVAL; 10334 10335 *is_top_most_overlay = false; 10336 } 10337 10338 DRM_DEBUG_ATOMIC("Enabling DRM plane: %d on DRM crtc %d\n", 10339 plane->base.id, new_plane_crtc->base.id); 10340 10341 ret = fill_dc_plane_attributes( 10342 drm_to_adev(new_plane_crtc->dev), 10343 dc_new_plane_state, 10344 new_plane_state, 10345 new_crtc_state); 10346 if (ret) { 10347 dc_plane_state_release(dc_new_plane_state); 10348 return ret; 10349 } 10350 10351 ret = dm_atomic_get_state(state, &dm_state); 10352 if (ret) { 10353 dc_plane_state_release(dc_new_plane_state); 10354 return ret; 10355 } 10356 10357 /* 10358 * Any atomic check errors that occur after this will 10359 * not need a release. The plane state will be attached 10360 * to the stream, and therefore part of the atomic 10361 * state. It'll be released when the atomic state is 10362 * cleaned. 10363 */ 10364 if (!dc_state_add_plane( 10365 dc, 10366 dm_new_crtc_state->stream, 10367 dc_new_plane_state, 10368 dm_state->context)) { 10369 10370 dc_plane_state_release(dc_new_plane_state); 10371 return -EINVAL; 10372 } 10373 10374 dm_new_plane_state->dc_state = dc_new_plane_state; 10375 10376 dm_new_crtc_state->mpo_requested |= (plane->type == DRM_PLANE_TYPE_OVERLAY); 10377 10378 /* Tell DC to do a full surface update every time there 10379 * is a plane change. Inefficient, but works for now. 10380 */ 10381 dm_new_plane_state->dc_state->update_flags.bits.full_update = 1; 10382 10383 *lock_and_validation_needed = true; 10384 } 10385 10386 10387 return ret; 10388 } 10389 10390 static void dm_get_oriented_plane_size(struct drm_plane_state *plane_state, 10391 int *src_w, int *src_h) 10392 { 10393 switch (plane_state->rotation & DRM_MODE_ROTATE_MASK) { 10394 case DRM_MODE_ROTATE_90: 10395 case DRM_MODE_ROTATE_270: 10396 *src_w = plane_state->src_h >> 16; 10397 *src_h = plane_state->src_w >> 16; 10398 break; 10399 case DRM_MODE_ROTATE_0: 10400 case DRM_MODE_ROTATE_180: 10401 default: 10402 *src_w = plane_state->src_w >> 16; 10403 *src_h = plane_state->src_h >> 16; 10404 break; 10405 } 10406 } 10407 10408 static void 10409 dm_get_plane_scale(struct drm_plane_state *plane_state, 10410 int *out_plane_scale_w, int *out_plane_scale_h) 10411 { 10412 int plane_src_w, plane_src_h; 10413 10414 dm_get_oriented_plane_size(plane_state, &plane_src_w, &plane_src_h); 10415 *out_plane_scale_w = plane_state->crtc_w * 1000 / plane_src_w; 10416 *out_plane_scale_h = plane_state->crtc_h * 1000 / plane_src_h; 10417 } 10418 10419 static int dm_check_crtc_cursor(struct drm_atomic_state *state, 10420 struct drm_crtc *crtc, 10421 struct drm_crtc_state *new_crtc_state) 10422 { 10423 struct drm_plane *cursor = crtc->cursor, *plane, *underlying; 10424 struct drm_plane_state *old_plane_state, *new_plane_state; 10425 struct drm_plane_state *new_cursor_state, *new_underlying_state; 10426 int i; 10427 int cursor_scale_w, cursor_scale_h, underlying_scale_w, underlying_scale_h; 10428 bool any_relevant_change = false; 10429 10430 /* On DCE and DCN there is no dedicated hardware cursor plane. We get a 10431 * cursor per pipe but it's going to inherit the scaling and 10432 * positioning from the underlying pipe. Check the cursor plane's 10433 * blending properties match the underlying planes'. 10434 */ 10435 10436 /* If no plane was enabled or changed scaling, no need to check again */ 10437 for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, i) { 10438 int new_scale_w, new_scale_h, old_scale_w, old_scale_h; 10439 10440 if (!new_plane_state || !new_plane_state->fb || new_plane_state->crtc != crtc) 10441 continue; 10442 10443 if (!old_plane_state || !old_plane_state->fb || old_plane_state->crtc != crtc) { 10444 any_relevant_change = true; 10445 break; 10446 } 10447 10448 if (new_plane_state->fb == old_plane_state->fb && 10449 new_plane_state->crtc_w == old_plane_state->crtc_w && 10450 new_plane_state->crtc_h == old_plane_state->crtc_h) 10451 continue; 10452 10453 dm_get_plane_scale(new_plane_state, &new_scale_w, &new_scale_h); 10454 dm_get_plane_scale(old_plane_state, &old_scale_w, &old_scale_h); 10455 10456 if (new_scale_w != old_scale_w || new_scale_h != old_scale_h) { 10457 any_relevant_change = true; 10458 break; 10459 } 10460 } 10461 10462 if (!any_relevant_change) 10463 return 0; 10464 10465 new_cursor_state = drm_atomic_get_plane_state(state, cursor); 10466 if (IS_ERR(new_cursor_state)) 10467 return PTR_ERR(new_cursor_state); 10468 10469 if (!new_cursor_state->fb) 10470 return 0; 10471 10472 dm_get_plane_scale(new_cursor_state, &cursor_scale_w, &cursor_scale_h); 10473 10474 /* Need to check all enabled planes, even if this commit doesn't change 10475 * their state 10476 */ 10477 i = drm_atomic_add_affected_planes(state, crtc); 10478 if (i) 10479 return i; 10480 10481 for_each_new_plane_in_state_reverse(state, underlying, new_underlying_state, i) { 10482 /* Narrow down to non-cursor planes on the same CRTC as the cursor */ 10483 if (new_underlying_state->crtc != crtc || underlying == crtc->cursor) 10484 continue; 10485 10486 /* Ignore disabled planes */ 10487 if (!new_underlying_state->fb) 10488 continue; 10489 10490 dm_get_plane_scale(new_underlying_state, 10491 &underlying_scale_w, &underlying_scale_h); 10492 10493 if (cursor_scale_w != underlying_scale_w || 10494 cursor_scale_h != underlying_scale_h) { 10495 drm_dbg_atomic(crtc->dev, 10496 "Cursor [PLANE:%d:%s] scaling doesn't match underlying [PLANE:%d:%s]\n", 10497 cursor->base.id, cursor->name, underlying->base.id, underlying->name); 10498 return -EINVAL; 10499 } 10500 10501 /* If this plane covers the whole CRTC, no need to check planes underneath */ 10502 if (new_underlying_state->crtc_x <= 0 && 10503 new_underlying_state->crtc_y <= 0 && 10504 new_underlying_state->crtc_x + new_underlying_state->crtc_w >= new_crtc_state->mode.hdisplay && 10505 new_underlying_state->crtc_y + new_underlying_state->crtc_h >= new_crtc_state->mode.vdisplay) 10506 break; 10507 } 10508 10509 return 0; 10510 } 10511 10512 static int add_affected_mst_dsc_crtcs(struct drm_atomic_state *state, struct drm_crtc *crtc) 10513 { 10514 struct drm_connector *connector; 10515 struct drm_connector_state *conn_state, *old_conn_state; 10516 struct amdgpu_dm_connector *aconnector = NULL; 10517 int i; 10518 10519 for_each_oldnew_connector_in_state(state, connector, old_conn_state, conn_state, i) { 10520 if (!conn_state->crtc) 10521 conn_state = old_conn_state; 10522 10523 if (conn_state->crtc != crtc) 10524 continue; 10525 10526 if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK) 10527 continue; 10528 10529 aconnector = to_amdgpu_dm_connector(connector); 10530 if (!aconnector->mst_output_port || !aconnector->mst_root) 10531 aconnector = NULL; 10532 else 10533 break; 10534 } 10535 10536 if (!aconnector) 10537 return 0; 10538 10539 return drm_dp_mst_add_affected_dsc_crtcs(state, &aconnector->mst_root->mst_mgr); 10540 } 10541 10542 /** 10543 * amdgpu_dm_atomic_check() - Atomic check implementation for AMDgpu DM. 10544 * 10545 * @dev: The DRM device 10546 * @state: The atomic state to commit 10547 * 10548 * Validate that the given atomic state is programmable by DC into hardware. 10549 * This involves constructing a &struct dc_state reflecting the new hardware 10550 * state we wish to commit, then querying DC to see if it is programmable. It's 10551 * important not to modify the existing DC state. Otherwise, atomic_check 10552 * may unexpectedly commit hardware changes. 10553 * 10554 * When validating the DC state, it's important that the right locks are 10555 * acquired. For full updates case which removes/adds/updates streams on one 10556 * CRTC while flipping on another CRTC, acquiring global lock will guarantee 10557 * that any such full update commit will wait for completion of any outstanding 10558 * flip using DRMs synchronization events. 10559 * 10560 * Note that DM adds the affected connectors for all CRTCs in state, when that 10561 * might not seem necessary. This is because DC stream creation requires the 10562 * DC sink, which is tied to the DRM connector state. Cleaning this up should 10563 * be possible but non-trivial - a possible TODO item. 10564 * 10565 * Return: -Error code if validation failed. 10566 */ 10567 static int amdgpu_dm_atomic_check(struct drm_device *dev, 10568 struct drm_atomic_state *state) 10569 { 10570 struct amdgpu_device *adev = drm_to_adev(dev); 10571 struct dm_atomic_state *dm_state = NULL; 10572 struct dc *dc = adev->dm.dc; 10573 struct drm_connector *connector; 10574 struct drm_connector_state *old_con_state, *new_con_state; 10575 struct drm_crtc *crtc; 10576 struct drm_crtc_state *old_crtc_state, *new_crtc_state; 10577 struct drm_plane *plane; 10578 struct drm_plane_state *old_plane_state, *new_plane_state; 10579 enum dc_status status; 10580 int ret, i; 10581 bool lock_and_validation_needed = false; 10582 bool is_top_most_overlay = true; 10583 struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state; 10584 struct drm_dp_mst_topology_mgr *mgr; 10585 struct drm_dp_mst_topology_state *mst_state; 10586 struct dsc_mst_fairness_vars vars[MAX_PIPES]; 10587 10588 trace_amdgpu_dm_atomic_check_begin(state); 10589 10590 ret = drm_atomic_helper_check_modeset(dev, state); 10591 if (ret) { 10592 DRM_DEBUG_DRIVER("drm_atomic_helper_check_modeset() failed\n"); 10593 goto fail; 10594 } 10595 10596 /* Check connector changes */ 10597 for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) { 10598 struct dm_connector_state *dm_old_con_state = to_dm_connector_state(old_con_state); 10599 struct dm_connector_state *dm_new_con_state = to_dm_connector_state(new_con_state); 10600 10601 /* Skip connectors that are disabled or part of modeset already. */ 10602 if (!new_con_state->crtc) 10603 continue; 10604 10605 new_crtc_state = drm_atomic_get_crtc_state(state, new_con_state->crtc); 10606 if (IS_ERR(new_crtc_state)) { 10607 DRM_DEBUG_DRIVER("drm_atomic_get_crtc_state() failed\n"); 10608 ret = PTR_ERR(new_crtc_state); 10609 goto fail; 10610 } 10611 10612 if (dm_old_con_state->abm_level != dm_new_con_state->abm_level || 10613 dm_old_con_state->scaling != dm_new_con_state->scaling) 10614 new_crtc_state->connectors_changed = true; 10615 } 10616 10617 if (dc_resource_is_dsc_encoding_supported(dc)) { 10618 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { 10619 if (drm_atomic_crtc_needs_modeset(new_crtc_state)) { 10620 ret = add_affected_mst_dsc_crtcs(state, crtc); 10621 if (ret) { 10622 DRM_DEBUG_DRIVER("add_affected_mst_dsc_crtcs() failed\n"); 10623 goto fail; 10624 } 10625 } 10626 } 10627 } 10628 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { 10629 dm_old_crtc_state = to_dm_crtc_state(old_crtc_state); 10630 10631 if (!drm_atomic_crtc_needs_modeset(new_crtc_state) && 10632 !new_crtc_state->color_mgmt_changed && 10633 old_crtc_state->vrr_enabled == new_crtc_state->vrr_enabled && 10634 dm_old_crtc_state->dsc_force_changed == false) 10635 continue; 10636 10637 ret = amdgpu_dm_verify_lut_sizes(new_crtc_state); 10638 if (ret) { 10639 DRM_DEBUG_DRIVER("amdgpu_dm_verify_lut_sizes() failed\n"); 10640 goto fail; 10641 } 10642 10643 if (!new_crtc_state->enable) 10644 continue; 10645 10646 ret = drm_atomic_add_affected_connectors(state, crtc); 10647 if (ret) { 10648 DRM_DEBUG_DRIVER("drm_atomic_add_affected_connectors() failed\n"); 10649 goto fail; 10650 } 10651 10652 ret = drm_atomic_add_affected_planes(state, crtc); 10653 if (ret) { 10654 DRM_DEBUG_DRIVER("drm_atomic_add_affected_planes() failed\n"); 10655 goto fail; 10656 } 10657 10658 if (dm_old_crtc_state->dsc_force_changed) 10659 new_crtc_state->mode_changed = true; 10660 } 10661 10662 /* 10663 * Add all primary and overlay planes on the CRTC to the state 10664 * whenever a plane is enabled to maintain correct z-ordering 10665 * and to enable fast surface updates. 10666 */ 10667 drm_for_each_crtc(crtc, dev) { 10668 bool modified = false; 10669 10670 for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, i) { 10671 if (plane->type == DRM_PLANE_TYPE_CURSOR) 10672 continue; 10673 10674 if (new_plane_state->crtc == crtc || 10675 old_plane_state->crtc == crtc) { 10676 modified = true; 10677 break; 10678 } 10679 } 10680 10681 if (!modified) 10682 continue; 10683 10684 drm_for_each_plane_mask(plane, state->dev, crtc->state->plane_mask) { 10685 if (plane->type == DRM_PLANE_TYPE_CURSOR) 10686 continue; 10687 10688 new_plane_state = 10689 drm_atomic_get_plane_state(state, plane); 10690 10691 if (IS_ERR(new_plane_state)) { 10692 ret = PTR_ERR(new_plane_state); 10693 DRM_DEBUG_DRIVER("new_plane_state is BAD\n"); 10694 goto fail; 10695 } 10696 } 10697 } 10698 10699 /* 10700 * DC consults the zpos (layer_index in DC terminology) to determine the 10701 * hw plane on which to enable the hw cursor (see 10702 * `dcn10_can_pipe_disable_cursor`). By now, all modified planes are in 10703 * atomic state, so call drm helper to normalize zpos. 10704 */ 10705 ret = drm_atomic_normalize_zpos(dev, state); 10706 if (ret) { 10707 drm_dbg(dev, "drm_atomic_normalize_zpos() failed\n"); 10708 goto fail; 10709 } 10710 10711 /* Remove exiting planes if they are modified */ 10712 for_each_oldnew_plane_in_state_reverse(state, plane, old_plane_state, new_plane_state, i) { 10713 if (old_plane_state->fb && new_plane_state->fb && 10714 get_mem_type(old_plane_state->fb) != 10715 get_mem_type(new_plane_state->fb)) 10716 lock_and_validation_needed = true; 10717 10718 ret = dm_update_plane_state(dc, state, plane, 10719 old_plane_state, 10720 new_plane_state, 10721 false, 10722 &lock_and_validation_needed, 10723 &is_top_most_overlay); 10724 if (ret) { 10725 DRM_DEBUG_DRIVER("dm_update_plane_state() failed\n"); 10726 goto fail; 10727 } 10728 } 10729 10730 /* Disable all crtcs which require disable */ 10731 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { 10732 ret = dm_update_crtc_state(&adev->dm, state, crtc, 10733 old_crtc_state, 10734 new_crtc_state, 10735 false, 10736 &lock_and_validation_needed); 10737 if (ret) { 10738 DRM_DEBUG_DRIVER("DISABLE: dm_update_crtc_state() failed\n"); 10739 goto fail; 10740 } 10741 } 10742 10743 /* Enable all crtcs which require enable */ 10744 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { 10745 ret = dm_update_crtc_state(&adev->dm, state, crtc, 10746 old_crtc_state, 10747 new_crtc_state, 10748 true, 10749 &lock_and_validation_needed); 10750 if (ret) { 10751 DRM_DEBUG_DRIVER("ENABLE: dm_update_crtc_state() failed\n"); 10752 goto fail; 10753 } 10754 } 10755 10756 /* Add new/modified planes */ 10757 for_each_oldnew_plane_in_state_reverse(state, plane, old_plane_state, new_plane_state, i) { 10758 ret = dm_update_plane_state(dc, state, plane, 10759 old_plane_state, 10760 new_plane_state, 10761 true, 10762 &lock_and_validation_needed, 10763 &is_top_most_overlay); 10764 if (ret) { 10765 DRM_DEBUG_DRIVER("dm_update_plane_state() failed\n"); 10766 goto fail; 10767 } 10768 } 10769 10770 if (dc_resource_is_dsc_encoding_supported(dc)) { 10771 ret = pre_validate_dsc(state, &dm_state, vars); 10772 if (ret != 0) 10773 goto fail; 10774 } 10775 10776 /* Run this here since we want to validate the streams we created */ 10777 ret = drm_atomic_helper_check_planes(dev, state); 10778 if (ret) { 10779 DRM_DEBUG_DRIVER("drm_atomic_helper_check_planes() failed\n"); 10780 goto fail; 10781 } 10782 10783 for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) { 10784 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); 10785 if (dm_new_crtc_state->mpo_requested) 10786 DRM_DEBUG_DRIVER("MPO enablement requested on crtc:[%p]\n", crtc); 10787 } 10788 10789 /* Check cursor planes scaling */ 10790 for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) { 10791 ret = dm_check_crtc_cursor(state, crtc, new_crtc_state); 10792 if (ret) { 10793 DRM_DEBUG_DRIVER("dm_check_crtc_cursor() failed\n"); 10794 goto fail; 10795 } 10796 } 10797 10798 if (state->legacy_cursor_update) { 10799 /* 10800 * This is a fast cursor update coming from the plane update 10801 * helper, check if it can be done asynchronously for better 10802 * performance. 10803 */ 10804 state->async_update = 10805 !drm_atomic_helper_async_check(dev, state); 10806 10807 /* 10808 * Skip the remaining global validation if this is an async 10809 * update. Cursor updates can be done without affecting 10810 * state or bandwidth calcs and this avoids the performance 10811 * penalty of locking the private state object and 10812 * allocating a new dc_state. 10813 */ 10814 if (state->async_update) 10815 return 0; 10816 } 10817 10818 /* Check scaling and underscan changes*/ 10819 /* TODO Removed scaling changes validation due to inability to commit 10820 * new stream into context w\o causing full reset. Need to 10821 * decide how to handle. 10822 */ 10823 for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) { 10824 struct dm_connector_state *dm_old_con_state = to_dm_connector_state(old_con_state); 10825 struct dm_connector_state *dm_new_con_state = to_dm_connector_state(new_con_state); 10826 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(dm_new_con_state->base.crtc); 10827 10828 /* Skip any modesets/resets */ 10829 if (!acrtc || drm_atomic_crtc_needs_modeset( 10830 drm_atomic_get_new_crtc_state(state, &acrtc->base))) 10831 continue; 10832 10833 /* Skip any thing not scale or underscan changes */ 10834 if (!is_scaling_state_different(dm_new_con_state, dm_old_con_state)) 10835 continue; 10836 10837 lock_and_validation_needed = true; 10838 } 10839 10840 /* set the slot info for each mst_state based on the link encoding format */ 10841 for_each_new_mst_mgr_in_state(state, mgr, mst_state, i) { 10842 struct amdgpu_dm_connector *aconnector; 10843 struct drm_connector *connector; 10844 struct drm_connector_list_iter iter; 10845 u8 link_coding_cap; 10846 10847 drm_connector_list_iter_begin(dev, &iter); 10848 drm_for_each_connector_iter(connector, &iter) { 10849 if (connector->index == mst_state->mgr->conn_base_id) { 10850 aconnector = to_amdgpu_dm_connector(connector); 10851 link_coding_cap = dc_link_dp_mst_decide_link_encoding_format(aconnector->dc_link); 10852 drm_dp_mst_update_slots(mst_state, link_coding_cap); 10853 10854 break; 10855 } 10856 } 10857 drm_connector_list_iter_end(&iter); 10858 } 10859 10860 /** 10861 * Streams and planes are reset when there are changes that affect 10862 * bandwidth. Anything that affects bandwidth needs to go through 10863 * DC global validation to ensure that the configuration can be applied 10864 * to hardware. 10865 * 10866 * We have to currently stall out here in atomic_check for outstanding 10867 * commits to finish in this case because our IRQ handlers reference 10868 * DRM state directly - we can end up disabling interrupts too early 10869 * if we don't. 10870 * 10871 * TODO: Remove this stall and drop DM state private objects. 10872 */ 10873 if (lock_and_validation_needed) { 10874 ret = dm_atomic_get_state(state, &dm_state); 10875 if (ret) { 10876 DRM_DEBUG_DRIVER("dm_atomic_get_state() failed\n"); 10877 goto fail; 10878 } 10879 10880 ret = do_aquire_global_lock(dev, state); 10881 if (ret) { 10882 DRM_DEBUG_DRIVER("do_aquire_global_lock() failed\n"); 10883 goto fail; 10884 } 10885 10886 if (dc_resource_is_dsc_encoding_supported(dc)) { 10887 ret = compute_mst_dsc_configs_for_state(state, dm_state->context, vars); 10888 if (ret) { 10889 DRM_DEBUG_DRIVER("compute_mst_dsc_configs_for_state() failed\n"); 10890 ret = -EINVAL; 10891 goto fail; 10892 } 10893 } 10894 10895 ret = dm_update_mst_vcpi_slots_for_dsc(state, dm_state->context, vars); 10896 if (ret) { 10897 DRM_DEBUG_DRIVER("dm_update_mst_vcpi_slots_for_dsc() failed\n"); 10898 goto fail; 10899 } 10900 10901 /* 10902 * Perform validation of MST topology in the state: 10903 * We need to perform MST atomic check before calling 10904 * dc_validate_global_state(), or there is a chance 10905 * to get stuck in an infinite loop and hang eventually. 10906 */ 10907 ret = drm_dp_mst_atomic_check(state); 10908 if (ret) { 10909 DRM_DEBUG_DRIVER("drm_dp_mst_atomic_check() failed\n"); 10910 goto fail; 10911 } 10912 status = dc_validate_global_state(dc, dm_state->context, true); 10913 if (status != DC_OK) { 10914 DRM_DEBUG_DRIVER("DC global validation failure: %s (%d)", 10915 dc_status_to_str(status), status); 10916 ret = -EINVAL; 10917 goto fail; 10918 } 10919 } else { 10920 /* 10921 * The commit is a fast update. Fast updates shouldn't change 10922 * the DC context, affect global validation, and can have their 10923 * commit work done in parallel with other commits not touching 10924 * the same resource. If we have a new DC context as part of 10925 * the DM atomic state from validation we need to free it and 10926 * retain the existing one instead. 10927 * 10928 * Furthermore, since the DM atomic state only contains the DC 10929 * context and can safely be annulled, we can free the state 10930 * and clear the associated private object now to free 10931 * some memory and avoid a possible use-after-free later. 10932 */ 10933 10934 for (i = 0; i < state->num_private_objs; i++) { 10935 struct drm_private_obj *obj = state->private_objs[i].ptr; 10936 10937 if (obj->funcs == adev->dm.atomic_obj.funcs) { 10938 int j = state->num_private_objs-1; 10939 10940 dm_atomic_destroy_state(obj, 10941 state->private_objs[i].state); 10942 10943 /* If i is not at the end of the array then the 10944 * last element needs to be moved to where i was 10945 * before the array can safely be truncated. 10946 */ 10947 if (i != j) 10948 state->private_objs[i] = 10949 state->private_objs[j]; 10950 10951 state->private_objs[j].ptr = NULL; 10952 state->private_objs[j].state = NULL; 10953 state->private_objs[j].old_state = NULL; 10954 state->private_objs[j].new_state = NULL; 10955 10956 state->num_private_objs = j; 10957 break; 10958 } 10959 } 10960 } 10961 10962 /* Store the overall update type for use later in atomic check. */ 10963 for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) { 10964 struct dm_crtc_state *dm_new_crtc_state = 10965 to_dm_crtc_state(new_crtc_state); 10966 10967 /* 10968 * Only allow async flips for fast updates that don't change 10969 * the FB pitch, the DCC state, rotation, etc. 10970 */ 10971 if (new_crtc_state->async_flip && lock_and_validation_needed) { 10972 drm_dbg_atomic(crtc->dev, 10973 "[CRTC:%d:%s] async flips are only supported for fast updates\n", 10974 crtc->base.id, crtc->name); 10975 ret = -EINVAL; 10976 goto fail; 10977 } 10978 10979 dm_new_crtc_state->update_type = lock_and_validation_needed ? 10980 UPDATE_TYPE_FULL : UPDATE_TYPE_FAST; 10981 } 10982 10983 /* Must be success */ 10984 WARN_ON(ret); 10985 10986 trace_amdgpu_dm_atomic_check_finish(state, ret); 10987 10988 return ret; 10989 10990 fail: 10991 if (ret == -EDEADLK) 10992 DRM_DEBUG_DRIVER("Atomic check stopped to avoid deadlock.\n"); 10993 else if (ret == -EINTR || ret == -EAGAIN || ret == -ERESTARTSYS) 10994 DRM_DEBUG_DRIVER("Atomic check stopped due to signal.\n"); 10995 else 10996 DRM_DEBUG_DRIVER("Atomic check failed with err: %d\n", ret); 10997 10998 trace_amdgpu_dm_atomic_check_finish(state, ret); 10999 11000 return ret; 11001 } 11002 11003 static bool is_dp_capable_without_timing_msa(struct dc *dc, 11004 struct amdgpu_dm_connector *amdgpu_dm_connector) 11005 { 11006 u8 dpcd_data; 11007 bool capable = false; 11008 11009 if (amdgpu_dm_connector->dc_link && 11010 dm_helpers_dp_read_dpcd( 11011 NULL, 11012 amdgpu_dm_connector->dc_link, 11013 DP_DOWN_STREAM_PORT_COUNT, 11014 &dpcd_data, 11015 sizeof(dpcd_data))) { 11016 capable = (dpcd_data & DP_MSA_TIMING_PAR_IGNORED) ? true:false; 11017 } 11018 11019 return capable; 11020 } 11021 11022 static bool dm_edid_parser_send_cea(struct amdgpu_display_manager *dm, 11023 unsigned int offset, 11024 unsigned int total_length, 11025 u8 *data, 11026 unsigned int length, 11027 struct amdgpu_hdmi_vsdb_info *vsdb) 11028 { 11029 bool res; 11030 union dmub_rb_cmd cmd; 11031 struct dmub_cmd_send_edid_cea *input; 11032 struct dmub_cmd_edid_cea_output *output; 11033 11034 if (length > DMUB_EDID_CEA_DATA_CHUNK_BYTES) 11035 return false; 11036 11037 memset(&cmd, 0, sizeof(cmd)); 11038 11039 input = &cmd.edid_cea.data.input; 11040 11041 cmd.edid_cea.header.type = DMUB_CMD__EDID_CEA; 11042 cmd.edid_cea.header.sub_type = 0; 11043 cmd.edid_cea.header.payload_bytes = 11044 sizeof(cmd.edid_cea) - sizeof(cmd.edid_cea.header); 11045 input->offset = offset; 11046 input->length = length; 11047 input->cea_total_length = total_length; 11048 memcpy(input->payload, data, length); 11049 11050 res = dc_wake_and_execute_dmub_cmd(dm->dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT_WITH_REPLY); 11051 if (!res) { 11052 DRM_ERROR("EDID CEA parser failed\n"); 11053 return false; 11054 } 11055 11056 output = &cmd.edid_cea.data.output; 11057 11058 if (output->type == DMUB_CMD__EDID_CEA_ACK) { 11059 if (!output->ack.success) { 11060 DRM_ERROR("EDID CEA ack failed at offset %d\n", 11061 output->ack.offset); 11062 } 11063 } else if (output->type == DMUB_CMD__EDID_CEA_AMD_VSDB) { 11064 if (!output->amd_vsdb.vsdb_found) 11065 return false; 11066 11067 vsdb->freesync_supported = output->amd_vsdb.freesync_supported; 11068 vsdb->amd_vsdb_version = output->amd_vsdb.amd_vsdb_version; 11069 vsdb->min_refresh_rate_hz = output->amd_vsdb.min_frame_rate; 11070 vsdb->max_refresh_rate_hz = output->amd_vsdb.max_frame_rate; 11071 } else { 11072 DRM_WARN("Unknown EDID CEA parser results\n"); 11073 return false; 11074 } 11075 11076 return true; 11077 } 11078 11079 static bool parse_edid_cea_dmcu(struct amdgpu_display_manager *dm, 11080 u8 *edid_ext, int len, 11081 struct amdgpu_hdmi_vsdb_info *vsdb_info) 11082 { 11083 int i; 11084 11085 /* send extension block to DMCU for parsing */ 11086 for (i = 0; i < len; i += 8) { 11087 bool res; 11088 int offset; 11089 11090 /* send 8 bytes a time */ 11091 if (!dc_edid_parser_send_cea(dm->dc, i, len, &edid_ext[i], 8)) 11092 return false; 11093 11094 if (i+8 == len) { 11095 /* EDID block sent completed, expect result */ 11096 int version, min_rate, max_rate; 11097 11098 res = dc_edid_parser_recv_amd_vsdb(dm->dc, &version, &min_rate, &max_rate); 11099 if (res) { 11100 /* amd vsdb found */ 11101 vsdb_info->freesync_supported = 1; 11102 vsdb_info->amd_vsdb_version = version; 11103 vsdb_info->min_refresh_rate_hz = min_rate; 11104 vsdb_info->max_refresh_rate_hz = max_rate; 11105 return true; 11106 } 11107 /* not amd vsdb */ 11108 return false; 11109 } 11110 11111 /* check for ack*/ 11112 res = dc_edid_parser_recv_cea_ack(dm->dc, &offset); 11113 if (!res) 11114 return false; 11115 } 11116 11117 return false; 11118 } 11119 11120 static bool parse_edid_cea_dmub(struct amdgpu_display_manager *dm, 11121 u8 *edid_ext, int len, 11122 struct amdgpu_hdmi_vsdb_info *vsdb_info) 11123 { 11124 int i; 11125 11126 /* send extension block to DMCU for parsing */ 11127 for (i = 0; i < len; i += 8) { 11128 /* send 8 bytes a time */ 11129 if (!dm_edid_parser_send_cea(dm, i, len, &edid_ext[i], 8, vsdb_info)) 11130 return false; 11131 } 11132 11133 return vsdb_info->freesync_supported; 11134 } 11135 11136 static bool parse_edid_cea(struct amdgpu_dm_connector *aconnector, 11137 u8 *edid_ext, int len, 11138 struct amdgpu_hdmi_vsdb_info *vsdb_info) 11139 { 11140 struct amdgpu_device *adev = drm_to_adev(aconnector->base.dev); 11141 bool ret; 11142 11143 mutex_lock(&adev->dm.dc_lock); 11144 if (adev->dm.dmub_srv) 11145 ret = parse_edid_cea_dmub(&adev->dm, edid_ext, len, vsdb_info); 11146 else 11147 ret = parse_edid_cea_dmcu(&adev->dm, edid_ext, len, vsdb_info); 11148 mutex_unlock(&adev->dm.dc_lock); 11149 return ret; 11150 } 11151 11152 static int parse_amd_vsdb(struct amdgpu_dm_connector *aconnector, 11153 struct edid *edid, struct amdgpu_hdmi_vsdb_info *vsdb_info) 11154 { 11155 u8 *edid_ext = NULL; 11156 int i; 11157 int j = 0; 11158 11159 if (edid == NULL || edid->extensions == 0) 11160 return -ENODEV; 11161 11162 /* Find DisplayID extension */ 11163 for (i = 0; i < edid->extensions; i++) { 11164 edid_ext = (void *)(edid + (i + 1)); 11165 if (edid_ext[0] == DISPLAYID_EXT) 11166 break; 11167 } 11168 11169 while (j < EDID_LENGTH) { 11170 struct amd_vsdb_block *amd_vsdb = (struct amd_vsdb_block *)&edid_ext[j]; 11171 unsigned int ieeeId = (amd_vsdb->ieee_id[2] << 16) | (amd_vsdb->ieee_id[1] << 8) | (amd_vsdb->ieee_id[0]); 11172 11173 if (ieeeId == HDMI_AMD_VENDOR_SPECIFIC_DATA_BLOCK_IEEE_REGISTRATION_ID && 11174 amd_vsdb->version == HDMI_AMD_VENDOR_SPECIFIC_DATA_BLOCK_VERSION_3) { 11175 vsdb_info->replay_mode = (amd_vsdb->feature_caps & AMD_VSDB_VERSION_3_FEATURECAP_REPLAYMODE) ? true : false; 11176 vsdb_info->amd_vsdb_version = HDMI_AMD_VENDOR_SPECIFIC_DATA_BLOCK_VERSION_3; 11177 DRM_DEBUG_KMS("Panel supports Replay Mode: %d\n", vsdb_info->replay_mode); 11178 11179 return true; 11180 } 11181 j++; 11182 } 11183 11184 return false; 11185 } 11186 11187 static int parse_hdmi_amd_vsdb(struct amdgpu_dm_connector *aconnector, 11188 struct edid *edid, struct amdgpu_hdmi_vsdb_info *vsdb_info) 11189 { 11190 u8 *edid_ext = NULL; 11191 int i; 11192 bool valid_vsdb_found = false; 11193 11194 /*----- drm_find_cea_extension() -----*/ 11195 /* No EDID or EDID extensions */ 11196 if (edid == NULL || edid->extensions == 0) 11197 return -ENODEV; 11198 11199 /* Find CEA extension */ 11200 for (i = 0; i < edid->extensions; i++) { 11201 edid_ext = (uint8_t *)edid + EDID_LENGTH * (i + 1); 11202 if (edid_ext[0] == CEA_EXT) 11203 break; 11204 } 11205 11206 if (i == edid->extensions) 11207 return -ENODEV; 11208 11209 /*----- cea_db_offsets() -----*/ 11210 if (edid_ext[0] != CEA_EXT) 11211 return -ENODEV; 11212 11213 valid_vsdb_found = parse_edid_cea(aconnector, edid_ext, EDID_LENGTH, vsdb_info); 11214 11215 return valid_vsdb_found ? i : -ENODEV; 11216 } 11217 11218 /** 11219 * amdgpu_dm_update_freesync_caps - Update Freesync capabilities 11220 * 11221 * @connector: Connector to query. 11222 * @edid: EDID from monitor 11223 * 11224 * Amdgpu supports Freesync in DP and HDMI displays, and it is required to keep 11225 * track of some of the display information in the internal data struct used by 11226 * amdgpu_dm. This function checks which type of connector we need to set the 11227 * FreeSync parameters. 11228 */ 11229 void amdgpu_dm_update_freesync_caps(struct drm_connector *connector, 11230 struct edid *edid) 11231 { 11232 int i = 0; 11233 struct detailed_timing *timing; 11234 struct detailed_non_pixel *data; 11235 struct detailed_data_monitor_range *range; 11236 struct amdgpu_dm_connector *amdgpu_dm_connector = 11237 to_amdgpu_dm_connector(connector); 11238 struct dm_connector_state *dm_con_state = NULL; 11239 struct dc_sink *sink; 11240 11241 struct amdgpu_device *adev = drm_to_adev(connector->dev); 11242 struct amdgpu_hdmi_vsdb_info vsdb_info = {0}; 11243 bool freesync_capable = false; 11244 enum adaptive_sync_type as_type = ADAPTIVE_SYNC_TYPE_NONE; 11245 11246 if (!connector->state) { 11247 DRM_ERROR("%s - Connector has no state", __func__); 11248 goto update; 11249 } 11250 11251 sink = amdgpu_dm_connector->dc_sink ? 11252 amdgpu_dm_connector->dc_sink : 11253 amdgpu_dm_connector->dc_em_sink; 11254 11255 if (!edid || !sink) { 11256 dm_con_state = to_dm_connector_state(connector->state); 11257 11258 amdgpu_dm_connector->min_vfreq = 0; 11259 amdgpu_dm_connector->max_vfreq = 0; 11260 amdgpu_dm_connector->pixel_clock_mhz = 0; 11261 connector->display_info.monitor_range.min_vfreq = 0; 11262 connector->display_info.monitor_range.max_vfreq = 0; 11263 freesync_capable = false; 11264 11265 goto update; 11266 } 11267 11268 dm_con_state = to_dm_connector_state(connector->state); 11269 11270 if (!adev->dm.freesync_module) 11271 goto update; 11272 11273 if (sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT 11274 || sink->sink_signal == SIGNAL_TYPE_EDP) { 11275 bool edid_check_required = false; 11276 11277 if (edid) { 11278 edid_check_required = is_dp_capable_without_timing_msa( 11279 adev->dm.dc, 11280 amdgpu_dm_connector); 11281 } 11282 11283 if (edid_check_required == true && (edid->version > 1 || 11284 (edid->version == 1 && edid->revision > 1))) { 11285 for (i = 0; i < 4; i++) { 11286 11287 timing = &edid->detailed_timings[i]; 11288 data = &timing->data.other_data; 11289 range = &data->data.range; 11290 /* 11291 * Check if monitor has continuous frequency mode 11292 */ 11293 if (data->type != EDID_DETAIL_MONITOR_RANGE) 11294 continue; 11295 /* 11296 * Check for flag range limits only. If flag == 1 then 11297 * no additional timing information provided. 11298 * Default GTF, GTF Secondary curve and CVT are not 11299 * supported 11300 */ 11301 if (range->flags != 1) 11302 continue; 11303 11304 amdgpu_dm_connector->min_vfreq = range->min_vfreq; 11305 amdgpu_dm_connector->max_vfreq = range->max_vfreq; 11306 amdgpu_dm_connector->pixel_clock_mhz = 11307 range->pixel_clock_mhz * 10; 11308 11309 connector->display_info.monitor_range.min_vfreq = range->min_vfreq; 11310 connector->display_info.monitor_range.max_vfreq = range->max_vfreq; 11311 11312 break; 11313 } 11314 11315 if (amdgpu_dm_connector->max_vfreq - 11316 amdgpu_dm_connector->min_vfreq > 10) { 11317 11318 freesync_capable = true; 11319 } 11320 } 11321 parse_amd_vsdb(amdgpu_dm_connector, edid, &vsdb_info); 11322 11323 if (vsdb_info.replay_mode) { 11324 amdgpu_dm_connector->vsdb_info.replay_mode = vsdb_info.replay_mode; 11325 amdgpu_dm_connector->vsdb_info.amd_vsdb_version = vsdb_info.amd_vsdb_version; 11326 amdgpu_dm_connector->as_type = ADAPTIVE_SYNC_TYPE_EDP; 11327 } 11328 11329 } else if (edid && sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A) { 11330 i = parse_hdmi_amd_vsdb(amdgpu_dm_connector, edid, &vsdb_info); 11331 if (i >= 0 && vsdb_info.freesync_supported) { 11332 timing = &edid->detailed_timings[i]; 11333 data = &timing->data.other_data; 11334 11335 amdgpu_dm_connector->min_vfreq = vsdb_info.min_refresh_rate_hz; 11336 amdgpu_dm_connector->max_vfreq = vsdb_info.max_refresh_rate_hz; 11337 if (amdgpu_dm_connector->max_vfreq - amdgpu_dm_connector->min_vfreq > 10) 11338 freesync_capable = true; 11339 11340 connector->display_info.monitor_range.min_vfreq = vsdb_info.min_refresh_rate_hz; 11341 connector->display_info.monitor_range.max_vfreq = vsdb_info.max_refresh_rate_hz; 11342 } 11343 } 11344 11345 as_type = dm_get_adaptive_sync_support_type(amdgpu_dm_connector->dc_link); 11346 11347 if (as_type == FREESYNC_TYPE_PCON_IN_WHITELIST) { 11348 i = parse_hdmi_amd_vsdb(amdgpu_dm_connector, edid, &vsdb_info); 11349 if (i >= 0 && vsdb_info.freesync_supported && vsdb_info.amd_vsdb_version > 0) { 11350 11351 amdgpu_dm_connector->pack_sdp_v1_3 = true; 11352 amdgpu_dm_connector->as_type = as_type; 11353 amdgpu_dm_connector->vsdb_info = vsdb_info; 11354 11355 amdgpu_dm_connector->min_vfreq = vsdb_info.min_refresh_rate_hz; 11356 amdgpu_dm_connector->max_vfreq = vsdb_info.max_refresh_rate_hz; 11357 if (amdgpu_dm_connector->max_vfreq - amdgpu_dm_connector->min_vfreq > 10) 11358 freesync_capable = true; 11359 11360 connector->display_info.monitor_range.min_vfreq = vsdb_info.min_refresh_rate_hz; 11361 connector->display_info.monitor_range.max_vfreq = vsdb_info.max_refresh_rate_hz; 11362 } 11363 } 11364 11365 update: 11366 if (dm_con_state) 11367 dm_con_state->freesync_capable = freesync_capable; 11368 11369 if (connector->vrr_capable_property) 11370 drm_connector_set_vrr_capable_property(connector, 11371 freesync_capable); 11372 } 11373 11374 void amdgpu_dm_trigger_timing_sync(struct drm_device *dev) 11375 { 11376 struct amdgpu_device *adev = drm_to_adev(dev); 11377 struct dc *dc = adev->dm.dc; 11378 int i; 11379 11380 mutex_lock(&adev->dm.dc_lock); 11381 if (dc->current_state) { 11382 for (i = 0; i < dc->current_state->stream_count; ++i) 11383 dc->current_state->streams[i] 11384 ->triggered_crtc_reset.enabled = 11385 adev->dm.force_timing_sync; 11386 11387 dm_enable_per_frame_crtc_master_sync(dc->current_state); 11388 dc_trigger_sync(dc, dc->current_state); 11389 } 11390 mutex_unlock(&adev->dm.dc_lock); 11391 } 11392 11393 void dm_write_reg_func(const struct dc_context *ctx, uint32_t address, 11394 u32 value, const char *func_name) 11395 { 11396 #ifdef DM_CHECK_ADDR_0 11397 if (address == 0) { 11398 drm_err(adev_to_drm(ctx->driver_context), 11399 "invalid register write. address = 0"); 11400 return; 11401 } 11402 #endif 11403 cgs_write_register(ctx->cgs_device, address, value); 11404 trace_amdgpu_dc_wreg(&ctx->perf_trace->write_count, address, value); 11405 } 11406 11407 uint32_t dm_read_reg_func(const struct dc_context *ctx, uint32_t address, 11408 const char *func_name) 11409 { 11410 u32 value; 11411 #ifdef DM_CHECK_ADDR_0 11412 if (address == 0) { 11413 drm_err(adev_to_drm(ctx->driver_context), 11414 "invalid register read; address = 0\n"); 11415 return 0; 11416 } 11417 #endif 11418 11419 if (ctx->dmub_srv && 11420 ctx->dmub_srv->reg_helper_offload.gather_in_progress && 11421 !ctx->dmub_srv->reg_helper_offload.should_burst_write) { 11422 ASSERT(false); 11423 return 0; 11424 } 11425 11426 value = cgs_read_register(ctx->cgs_device, address); 11427 11428 trace_amdgpu_dc_rreg(&ctx->perf_trace->read_count, address, value); 11429 11430 return value; 11431 } 11432 11433 int amdgpu_dm_process_dmub_aux_transfer_sync( 11434 struct dc_context *ctx, 11435 unsigned int link_index, 11436 struct aux_payload *payload, 11437 enum aux_return_code_type *operation_result) 11438 { 11439 struct amdgpu_device *adev = ctx->driver_context; 11440 struct dmub_notification *p_notify = adev->dm.dmub_notify; 11441 int ret = -1; 11442 11443 mutex_lock(&adev->dm.dpia_aux_lock); 11444 if (!dc_process_dmub_aux_transfer_async(ctx->dc, link_index, payload)) { 11445 *operation_result = AUX_RET_ERROR_ENGINE_ACQUIRE; 11446 goto out; 11447 } 11448 11449 if (!wait_for_completion_timeout(&adev->dm.dmub_aux_transfer_done, 10 * HZ)) { 11450 DRM_ERROR("wait_for_completion_timeout timeout!"); 11451 *operation_result = AUX_RET_ERROR_TIMEOUT; 11452 goto out; 11453 } 11454 11455 if (p_notify->result != AUX_RET_SUCCESS) { 11456 /* 11457 * Transient states before tunneling is enabled could 11458 * lead to this error. We can ignore this for now. 11459 */ 11460 if (p_notify->result != AUX_RET_ERROR_PROTOCOL_ERROR) { 11461 DRM_WARN("DPIA AUX failed on 0x%x(%d), error %d\n", 11462 payload->address, payload->length, 11463 p_notify->result); 11464 } 11465 *operation_result = AUX_RET_ERROR_INVALID_REPLY; 11466 goto out; 11467 } 11468 11469 11470 payload->reply[0] = adev->dm.dmub_notify->aux_reply.command; 11471 if (!payload->write && p_notify->aux_reply.length && 11472 (payload->reply[0] == AUX_TRANSACTION_REPLY_AUX_ACK)) { 11473 11474 if (payload->length != p_notify->aux_reply.length) { 11475 DRM_WARN("invalid read length %d from DPIA AUX 0x%x(%d)!\n", 11476 p_notify->aux_reply.length, 11477 payload->address, payload->length); 11478 *operation_result = AUX_RET_ERROR_INVALID_REPLY; 11479 goto out; 11480 } 11481 11482 memcpy(payload->data, p_notify->aux_reply.data, 11483 p_notify->aux_reply.length); 11484 } 11485 11486 /* success */ 11487 ret = p_notify->aux_reply.length; 11488 *operation_result = p_notify->result; 11489 out: 11490 reinit_completion(&adev->dm.dmub_aux_transfer_done); 11491 mutex_unlock(&adev->dm.dpia_aux_lock); 11492 return ret; 11493 } 11494 11495 int amdgpu_dm_process_dmub_set_config_sync( 11496 struct dc_context *ctx, 11497 unsigned int link_index, 11498 struct set_config_cmd_payload *payload, 11499 enum set_config_status *operation_result) 11500 { 11501 struct amdgpu_device *adev = ctx->driver_context; 11502 bool is_cmd_complete; 11503 int ret; 11504 11505 mutex_lock(&adev->dm.dpia_aux_lock); 11506 is_cmd_complete = dc_process_dmub_set_config_async(ctx->dc, 11507 link_index, payload, adev->dm.dmub_notify); 11508 11509 if (is_cmd_complete || wait_for_completion_timeout(&adev->dm.dmub_aux_transfer_done, 10 * HZ)) { 11510 ret = 0; 11511 *operation_result = adev->dm.dmub_notify->sc_status; 11512 } else { 11513 DRM_ERROR("wait_for_completion_timeout timeout!"); 11514 ret = -1; 11515 *operation_result = SET_CONFIG_UNKNOWN_ERROR; 11516 } 11517 11518 if (!is_cmd_complete) 11519 reinit_completion(&adev->dm.dmub_aux_transfer_done); 11520 mutex_unlock(&adev->dm.dpia_aux_lock); 11521 return ret; 11522 } 11523 11524 bool dm_execute_dmub_cmd(const struct dc_context *ctx, union dmub_rb_cmd *cmd, enum dm_dmub_wait_type wait_type) 11525 { 11526 return dc_dmub_srv_cmd_run(ctx->dmub_srv, cmd, wait_type); 11527 } 11528 11529 bool dm_execute_dmub_cmd_list(const struct dc_context *ctx, unsigned int count, union dmub_rb_cmd *cmd, enum dm_dmub_wait_type wait_type) 11530 { 11531 return dc_dmub_srv_cmd_run_list(ctx->dmub_srv, count, cmd, wait_type); 11532 } 11533