1 /* 2 * Copyright (C) 2015-2020 Advanced Micro Devices, Inc. All rights reserved. 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 #ifndef __AMDGPU_DM_H__ 27 #define __AMDGPU_DM_H__ 28 29 #include <drm/display/drm_dp_mst_helper.h> 30 #include <drm/drm_atomic.h> 31 #include <drm/drm_connector.h> 32 #include <drm/drm_crtc.h> 33 #include <drm/drm_plane.h> 34 #include "link_service_types.h" 35 #include <drm/drm_writeback.h> 36 37 /* 38 * This file contains the definition for amdgpu_display_manager 39 * and its API for amdgpu driver's use. 40 * This component provides all the display related functionality 41 * and this is the only component that calls DAL API. 42 * The API contained here intended for amdgpu driver use. 43 * The API that is called directly from KMS framework is located 44 * in amdgpu_dm_kms.h file 45 */ 46 47 #define AMDGPU_DM_MAX_DISPLAY_INDEX 31 48 49 #define AMDGPU_DM_MAX_CRTC 6 50 51 #define AMDGPU_DM_MAX_NUM_EDP 2 52 53 #define AMDGPU_DMUB_NOTIFICATION_MAX 7 54 55 #define HDMI_AMD_VENDOR_SPECIFIC_DATA_BLOCK_IEEE_REGISTRATION_ID 0x00001A 56 #define AMD_VSDB_VERSION_3_FEATURECAP_REPLAYMODE 0x40 57 #define HDMI_AMD_VENDOR_SPECIFIC_DATA_BLOCK_VERSION_3 0x3 58 59 #define AMDGPU_HDR_MULT_DEFAULT (0x100000000LL) 60 61 /* 62 #include "include/amdgpu_dal_power_if.h" 63 #include "amdgpu_dm_irq.h" 64 */ 65 66 #include "irq_types.h" 67 #include "signal_types.h" 68 #include "amdgpu_dm_crc.h" 69 #include "mod_info_packet.h" 70 struct aux_payload; 71 struct set_config_cmd_payload; 72 enum aux_return_code_type; 73 enum set_config_status; 74 75 /* Forward declarations */ 76 struct amdgpu_device; 77 struct amdgpu_crtc; 78 struct drm_device; 79 struct dc; 80 struct amdgpu_bo; 81 struct dmub_srv; 82 struct dc_plane_state; 83 struct dmub_notification; 84 85 struct amd_vsdb_block { 86 unsigned char ieee_id[3]; 87 unsigned char version; 88 unsigned char feature_caps; 89 }; 90 91 struct common_irq_params { 92 struct amdgpu_device *adev; 93 enum dc_irq_source irq_src; 94 atomic64_t previous_timestamp; 95 }; 96 97 /** 98 * struct dm_compressor_info - Buffer info used by frame buffer compression 99 * @cpu_addr: MMIO cpu addr 100 * @bo_ptr: Pointer to the buffer object 101 * @gpu_addr: MMIO gpu addr 102 */ 103 struct dm_compressor_info { 104 void *cpu_addr; 105 struct amdgpu_bo *bo_ptr; 106 uint64_t gpu_addr; 107 }; 108 109 typedef void (*dmub_notify_interrupt_callback_t)(struct amdgpu_device *adev, struct dmub_notification *notify); 110 111 /** 112 * struct dmub_hpd_work - Handle time consuming work in low priority outbox IRQ 113 * 114 * @handle_hpd_work: Work to be executed in a separate thread to handle hpd_low_irq 115 * @dmub_notify: notification for callback function 116 * @adev: amdgpu_device pointer 117 */ 118 struct dmub_hpd_work { 119 struct work_struct handle_hpd_work; 120 struct dmub_notification *dmub_notify; 121 struct amdgpu_device *adev; 122 }; 123 124 /** 125 * struct vblank_control_work - Work data for vblank control 126 * @work: Kernel work data for the work event 127 * @dm: amdgpu display manager device 128 * @acrtc: amdgpu CRTC instance for which the event has occurred 129 * @stream: DC stream for which the event has occurred 130 * @enable: true if enabling vblank 131 */ 132 struct vblank_control_work { 133 struct work_struct work; 134 struct amdgpu_display_manager *dm; 135 struct amdgpu_crtc *acrtc; 136 struct dc_stream_state *stream; 137 bool enable; 138 }; 139 140 /** 141 * struct idle_workqueue - Work data for periodic action in idle 142 * @work: Kernel work data for the work event 143 * @dm: amdgpu display manager device 144 * @enable: true if idle worker is enabled 145 * @running: true if idle worker is running 146 */ 147 struct idle_workqueue { 148 struct work_struct work; 149 struct amdgpu_display_manager *dm; 150 bool enable; 151 bool running; 152 }; 153 154 /** 155 * struct amdgpu_dm_backlight_caps - Information about backlight 156 * 157 * Describe the backlight support for ACPI or eDP AUX. 158 */ 159 struct amdgpu_dm_backlight_caps { 160 /** 161 * @ext_caps: Keep the data struct with all the information about the 162 * display support for HDR. 163 */ 164 union dpcd_sink_ext_caps *ext_caps; 165 /** 166 * @aux_min_input_signal: Min brightness value supported by the display 167 */ 168 u32 aux_min_input_signal; 169 /** 170 * @aux_max_input_signal: Max brightness value supported by the display 171 * in nits. 172 */ 173 u32 aux_max_input_signal; 174 /** 175 * @min_input_signal: minimum possible input in range 0-255. 176 */ 177 int min_input_signal; 178 /** 179 * @max_input_signal: maximum possible input in range 0-255. 180 */ 181 int max_input_signal; 182 /** 183 * @caps_valid: true if these values are from the ACPI interface. 184 */ 185 bool caps_valid; 186 /** 187 * @aux_support: Describes if the display supports AUX backlight. 188 */ 189 bool aux_support; 190 /** 191 * @ac_level: the default brightness if booted on AC 192 */ 193 u8 ac_level; 194 /** 195 * @dc_level: the default brightness if booted on DC 196 */ 197 u8 dc_level; 198 }; 199 200 /** 201 * struct dal_allocation - Tracks mapped FB memory for SMU communication 202 * @list: list of dal allocations 203 * @bo: GPU buffer object 204 * @cpu_ptr: CPU virtual address of the GPU buffer object 205 * @gpu_addr: GPU virtual address of the GPU buffer object 206 */ 207 struct dal_allocation { 208 struct list_head list; 209 struct amdgpu_bo *bo; 210 void *cpu_ptr; 211 u64 gpu_addr; 212 }; 213 214 /** 215 * struct hpd_rx_irq_offload_work_queue - Work queue to handle hpd_rx_irq 216 * offload work 217 */ 218 struct hpd_rx_irq_offload_work_queue { 219 /** 220 * @wq: workqueue structure to queue offload work. 221 */ 222 struct workqueue_struct *wq; 223 /** 224 * @offload_lock: To protect fields of offload work queue. 225 */ 226 spinlock_t offload_lock; 227 /** 228 * @is_handling_link_loss: Used to prevent inserting link loss event when 229 * we're handling link loss 230 */ 231 bool is_handling_link_loss; 232 /** 233 * @is_handling_mst_msg_rdy_event: Used to prevent inserting mst message 234 * ready event when we're already handling mst message ready event 235 */ 236 bool is_handling_mst_msg_rdy_event; 237 /** 238 * @aconnector: The aconnector that this work queue is attached to 239 */ 240 struct amdgpu_dm_connector *aconnector; 241 }; 242 243 /** 244 * struct hpd_rx_irq_offload_work - hpd_rx_irq offload work structure 245 */ 246 struct hpd_rx_irq_offload_work { 247 /** 248 * @work: offload work 249 */ 250 struct work_struct work; 251 /** 252 * @data: reference irq data which is used while handling offload work 253 */ 254 union hpd_irq_data data; 255 /** 256 * @offload_wq: offload work queue that this work is queued to 257 */ 258 struct hpd_rx_irq_offload_work_queue *offload_wq; 259 }; 260 261 /** 262 * struct amdgpu_display_manager - Central amdgpu display manager device 263 * 264 * @dc: Display Core control structure 265 * @adev: AMDGPU base driver structure 266 * @ddev: DRM base driver structure 267 * @display_indexes_num: Max number of display streams supported 268 * @irq_handler_list_table_lock: Synchronizes access to IRQ tables 269 * @backlight_dev: Backlight control device 270 * @backlight_link: Link on which to control backlight 271 * @backlight_caps: Capabilities of the backlight device 272 * @freesync_module: Module handling freesync calculations 273 * @hdcp_workqueue: AMDGPU content protection queue 274 * @fw_dmcu: Reference to DMCU firmware 275 * @dmcu_fw_version: Version of the DMCU firmware 276 * @soc_bounding_box: SOC bounding box values provided by gpu_info FW 277 * @cached_state: Caches device atomic state for suspend/resume 278 * @cached_dc_state: Cached state of content streams 279 * @compressor: Frame buffer compression buffer. See &struct dm_compressor_info 280 * @force_timing_sync: set via debugfs. When set, indicates that all connected 281 * displays will be forced to synchronize. 282 * @dmcub_trace_event_en: enable dmcub trace events 283 * @dmub_outbox_params: DMUB Outbox parameters 284 * @num_of_edps: number of backlight eDPs 285 * @disable_hpd_irq: disables all HPD and HPD RX interrupt handling in the 286 * driver when true 287 * @dmub_aux_transfer_done: struct completion used to indicate when DMUB 288 * transfers are done 289 * @delayed_hpd_wq: work queue used to delay DMUB HPD work 290 */ 291 struct amdgpu_display_manager { 292 293 struct dc *dc; 294 295 /** 296 * @dmub_srv: 297 * 298 * DMUB service, used for controlling the DMUB on hardware 299 * that supports it. The pointer to the dmub_srv will be 300 * NULL on hardware that does not support it. 301 */ 302 struct dmub_srv *dmub_srv; 303 304 /** 305 * @dmub_notify: 306 * 307 * Notification from DMUB. 308 */ 309 310 struct dmub_notification *dmub_notify; 311 312 /** 313 * @dmub_callback: 314 * 315 * Callback functions to handle notification from DMUB. 316 */ 317 318 dmub_notify_interrupt_callback_t dmub_callback[AMDGPU_DMUB_NOTIFICATION_MAX]; 319 320 /** 321 * @dmub_thread_offload: 322 * 323 * Flag to indicate if callback is offload. 324 */ 325 326 bool dmub_thread_offload[AMDGPU_DMUB_NOTIFICATION_MAX]; 327 328 /** 329 * @dmub_fb_info: 330 * 331 * Framebuffer regions for the DMUB. 332 */ 333 struct dmub_srv_fb_info *dmub_fb_info; 334 335 /** 336 * @dmub_fw: 337 * 338 * DMUB firmware, required on hardware that has DMUB support. 339 */ 340 const struct firmware *dmub_fw; 341 342 /** 343 * @dmub_bo: 344 * 345 * Buffer object for the DMUB. 346 */ 347 struct amdgpu_bo *dmub_bo; 348 349 /** 350 * @dmub_bo_gpu_addr: 351 * 352 * GPU virtual address for the DMUB buffer object. 353 */ 354 u64 dmub_bo_gpu_addr; 355 356 /** 357 * @dmub_bo_cpu_addr: 358 * 359 * CPU address for the DMUB buffer object. 360 */ 361 void *dmub_bo_cpu_addr; 362 363 /** 364 * @dmcub_fw_version: 365 * 366 * DMCUB firmware version. 367 */ 368 uint32_t dmcub_fw_version; 369 370 /** 371 * @cgs_device: 372 * 373 * The Common Graphics Services device. It provides an interface for 374 * accessing registers. 375 */ 376 struct cgs_device *cgs_device; 377 378 struct amdgpu_device *adev; 379 struct drm_device *ddev; 380 u16 display_indexes_num; 381 382 /** 383 * @atomic_obj: 384 * 385 * In combination with &dm_atomic_state it helps manage 386 * global atomic state that doesn't map cleanly into existing 387 * drm resources, like &dc_context. 388 */ 389 struct drm_private_obj atomic_obj; 390 391 /** 392 * @dc_lock: 393 * 394 * Guards access to DC functions that can issue register write 395 * sequences. 396 */ 397 struct mutex dc_lock; 398 399 /** 400 * @audio_lock: 401 * 402 * Guards access to audio instance changes. 403 */ 404 struct mutex audio_lock; 405 406 /** 407 * @audio_component: 408 * 409 * Used to notify ELD changes to sound driver. 410 */ 411 struct drm_audio_component *audio_component; 412 413 /** 414 * @audio_registered: 415 * 416 * True if the audio component has been registered 417 * successfully, false otherwise. 418 */ 419 bool audio_registered; 420 421 /** 422 * @irq_handler_list_low_tab: 423 * 424 * Low priority IRQ handler table. 425 * 426 * It is a n*m table consisting of n IRQ sources, and m handlers per IRQ 427 * source. Low priority IRQ handlers are deferred to a workqueue to be 428 * processed. Hence, they can sleep. 429 * 430 * Note that handlers are called in the same order as they were 431 * registered (FIFO). 432 */ 433 struct list_head irq_handler_list_low_tab[DAL_IRQ_SOURCES_NUMBER]; 434 435 /** 436 * @irq_handler_list_high_tab: 437 * 438 * High priority IRQ handler table. 439 * 440 * It is a n*m table, same as &irq_handler_list_low_tab. However, 441 * handlers in this table are not deferred and are called immediately. 442 */ 443 struct list_head irq_handler_list_high_tab[DAL_IRQ_SOURCES_NUMBER]; 444 445 /** 446 * @pflip_params: 447 * 448 * Page flip IRQ parameters, passed to registered handlers when 449 * triggered. 450 */ 451 struct common_irq_params 452 pflip_params[DC_IRQ_SOURCE_PFLIP_LAST - DC_IRQ_SOURCE_PFLIP_FIRST + 1]; 453 454 /** 455 * @vblank_params: 456 * 457 * Vertical blanking IRQ parameters, passed to registered handlers when 458 * triggered. 459 */ 460 struct common_irq_params 461 vblank_params[DC_IRQ_SOURCE_VBLANK6 - DC_IRQ_SOURCE_VBLANK1 + 1]; 462 463 /** 464 * @vline0_params: 465 * 466 * OTG vertical interrupt0 IRQ parameters, passed to registered 467 * handlers when triggered. 468 */ 469 struct common_irq_params 470 vline0_params[DC_IRQ_SOURCE_DC6_VLINE0 - DC_IRQ_SOURCE_DC1_VLINE0 + 1]; 471 472 /** 473 * @vupdate_params: 474 * 475 * Vertical update IRQ parameters, passed to registered handlers when 476 * triggered. 477 */ 478 struct common_irq_params 479 vupdate_params[DC_IRQ_SOURCE_VUPDATE6 - DC_IRQ_SOURCE_VUPDATE1 + 1]; 480 481 /** 482 * @dmub_trace_params: 483 * 484 * DMUB trace event IRQ parameters, passed to registered handlers when 485 * triggered. 486 */ 487 struct common_irq_params 488 dmub_trace_params[1]; 489 490 struct common_irq_params 491 dmub_outbox_params[1]; 492 493 spinlock_t irq_handler_list_table_lock; 494 495 struct backlight_device *backlight_dev[AMDGPU_DM_MAX_NUM_EDP]; 496 497 const struct dc_link *backlight_link[AMDGPU_DM_MAX_NUM_EDP]; 498 499 uint8_t num_of_edps; 500 501 struct amdgpu_dm_backlight_caps backlight_caps[AMDGPU_DM_MAX_NUM_EDP]; 502 503 struct mod_freesync *freesync_module; 504 struct hdcp_workqueue *hdcp_workqueue; 505 506 /** 507 * @vblank_control_workqueue: 508 * 509 * Deferred work for vblank control events. 510 */ 511 struct workqueue_struct *vblank_control_workqueue; 512 513 /** 514 * @idle_workqueue: 515 * 516 * Periodic work for idle events. 517 */ 518 struct idle_workqueue *idle_workqueue; 519 520 struct drm_atomic_state *cached_state; 521 struct dc_state *cached_dc_state; 522 523 struct dm_compressor_info compressor; 524 525 const struct firmware *fw_dmcu; 526 uint32_t dmcu_fw_version; 527 /** 528 * @soc_bounding_box: 529 * 530 * gpu_info FW provided soc bounding box struct or 0 if not 531 * available in FW 532 */ 533 const struct gpu_info_soc_bounding_box_v1_0 *soc_bounding_box; 534 535 /** 536 * @active_vblank_irq_count: 537 * 538 * number of currently active vblank irqs 539 */ 540 uint32_t active_vblank_irq_count; 541 542 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY) 543 /** 544 * @secure_display_ctxs: 545 * 546 * Store the ROI information and the work_struct to command dmub and psp for 547 * all crtcs. 548 */ 549 struct secure_display_context *secure_display_ctxs; 550 #endif 551 /** 552 * @hpd_rx_offload_wq: 553 * 554 * Work queue to offload works of hpd_rx_irq 555 */ 556 struct hpd_rx_irq_offload_work_queue *hpd_rx_offload_wq; 557 /** 558 * @mst_encoders: 559 * 560 * fake encoders used for DP MST. 561 */ 562 struct amdgpu_encoder mst_encoders[AMDGPU_DM_MAX_CRTC]; 563 bool force_timing_sync; 564 bool disable_hpd_irq; 565 bool dmcub_trace_event_en; 566 /** 567 * @da_list: 568 * 569 * DAL fb memory allocation list, for communication with SMU. 570 */ 571 struct list_head da_list; 572 struct completion dmub_aux_transfer_done; 573 struct workqueue_struct *delayed_hpd_wq; 574 575 /** 576 * @brightness: 577 * 578 * cached backlight values. 579 */ 580 u32 brightness[AMDGPU_DM_MAX_NUM_EDP]; 581 /** 582 * @actual_brightness: 583 * 584 * last successfully applied backlight values. 585 */ 586 u32 actual_brightness[AMDGPU_DM_MAX_NUM_EDP]; 587 588 /** 589 * @aux_hpd_discon_quirk: 590 * 591 * quirk for hpd discon while aux is on-going. 592 * occurred on certain intel platform 593 */ 594 bool aux_hpd_discon_quirk; 595 596 /** 597 * @dpia_aux_lock: 598 * 599 * Guards access to DPIA AUX 600 */ 601 struct mutex dpia_aux_lock; 602 603 /** 604 * @bb_from_dmub: 605 * 606 * Bounding box data read from dmub during early initialization for DCN4+ 607 */ 608 struct dml2_soc_bb *bb_from_dmub; 609 }; 610 611 enum dsc_clock_force_state { 612 DSC_CLK_FORCE_DEFAULT = 0, 613 DSC_CLK_FORCE_ENABLE, 614 DSC_CLK_FORCE_DISABLE, 615 }; 616 617 struct dsc_preferred_settings { 618 enum dsc_clock_force_state dsc_force_enable; 619 uint32_t dsc_num_slices_v; 620 uint32_t dsc_num_slices_h; 621 uint32_t dsc_bits_per_pixel; 622 bool dsc_force_disable_passthrough; 623 }; 624 625 enum mst_progress_status { 626 MST_STATUS_DEFAULT = 0, 627 MST_PROBE = BIT(0), 628 MST_REMOTE_EDID = BIT(1), 629 MST_ALLOCATE_NEW_PAYLOAD = BIT(2), 630 MST_CLEAR_ALLOCATED_PAYLOAD = BIT(3), 631 }; 632 633 /** 634 * struct amdgpu_hdmi_vsdb_info - Keep track of the VSDB info 635 * 636 * AMDGPU supports FreeSync over HDMI by using the VSDB section, and this 637 * struct is useful to keep track of the display-specific information about 638 * FreeSync. 639 */ 640 struct amdgpu_hdmi_vsdb_info { 641 /** 642 * @amd_vsdb_version: Vendor Specific Data Block Version, should be 643 * used to determine which Vendor Specific InfoFrame (VSIF) to send. 644 */ 645 unsigned int amd_vsdb_version; 646 647 /** 648 * @freesync_supported: FreeSync Supported. 649 */ 650 bool freesync_supported; 651 652 /** 653 * @min_refresh_rate_hz: FreeSync Minimum Refresh Rate in Hz. 654 */ 655 unsigned int min_refresh_rate_hz; 656 657 /** 658 * @max_refresh_rate_hz: FreeSync Maximum Refresh Rate in Hz 659 */ 660 unsigned int max_refresh_rate_hz; 661 662 /** 663 * @replay_mode: Replay supported 664 */ 665 bool replay_mode; 666 }; 667 668 struct amdgpu_dm_connector { 669 670 struct drm_connector base; 671 uint32_t connector_id; 672 int bl_idx; 673 674 /* we need to mind the EDID between detect 675 and get modes due to analog/digital/tvencoder */ 676 struct edid *edid; 677 678 /* shared with amdgpu */ 679 struct amdgpu_hpd hpd; 680 681 /* number of modes generated from EDID at 'dc_sink' */ 682 int num_modes; 683 684 /* The 'old' sink - before an HPD. 685 * The 'current' sink is in dc_link->sink. */ 686 struct dc_sink *dc_sink; 687 struct dc_link *dc_link; 688 689 /** 690 * @dc_em_sink: Reference to the emulated (virtual) sink. 691 */ 692 struct dc_sink *dc_em_sink; 693 694 /* DM only */ 695 struct drm_dp_mst_topology_mgr mst_mgr; 696 struct amdgpu_dm_dp_aux dm_dp_aux; 697 struct drm_dp_mst_port *mst_output_port; 698 struct amdgpu_dm_connector *mst_root; 699 struct drm_dp_aux *dsc_aux; 700 struct mutex handle_mst_msg_ready; 701 702 /* TODO see if we can merge with ddc_bus or make a dm_connector */ 703 struct amdgpu_i2c_adapter *i2c; 704 705 /* Monitor range limits */ 706 /** 707 * @min_vfreq: Minimal frequency supported by the display in Hz. This 708 * value is set to zero when there is no FreeSync support. 709 */ 710 int min_vfreq; 711 712 /** 713 * @max_vfreq: Maximum frequency supported by the display in Hz. This 714 * value is set to zero when there is no FreeSync support. 715 */ 716 int max_vfreq ; 717 718 /* Audio instance - protected by audio_lock. */ 719 int audio_inst; 720 721 struct mutex hpd_lock; 722 723 bool fake_enable; 724 bool force_yuv420_output; 725 struct dsc_preferred_settings dsc_settings; 726 union dp_downstream_port_present mst_downstream_port_present; 727 /* Cached display modes */ 728 struct drm_display_mode freesync_vid_base; 729 730 int psr_skip_count; 731 bool disallow_edp_enter_psr; 732 733 /* Record progress status of mst*/ 734 uint8_t mst_status; 735 736 /* Automated testing */ 737 bool timing_changed; 738 struct dc_crtc_timing *timing_requested; 739 740 /* Adaptive Sync */ 741 bool pack_sdp_v1_3; 742 enum adaptive_sync_type as_type; 743 struct amdgpu_hdmi_vsdb_info vsdb_info; 744 }; 745 746 static inline void amdgpu_dm_set_mst_status(uint8_t *status, 747 uint8_t flags, bool set) 748 { 749 if (set) 750 *status |= flags; 751 else 752 *status &= ~flags; 753 } 754 755 #define to_amdgpu_dm_connector(x) container_of(x, struct amdgpu_dm_connector, base) 756 757 struct amdgpu_dm_wb_connector { 758 struct drm_writeback_connector base; 759 struct dc_link *link; 760 }; 761 762 #define to_amdgpu_dm_wb_connector(x) container_of(x, struct amdgpu_dm_wb_connector, base) 763 764 extern const struct amdgpu_ip_block_version dm_ip_block; 765 766 /* enum amdgpu_transfer_function: pre-defined transfer function supported by AMD. 767 * 768 * It includes standardized transfer functions and pure power functions. The 769 * transfer function coefficients are available at modules/color/color_gamma.c 770 */ 771 enum amdgpu_transfer_function { 772 AMDGPU_TRANSFER_FUNCTION_DEFAULT, 773 AMDGPU_TRANSFER_FUNCTION_SRGB_EOTF, 774 AMDGPU_TRANSFER_FUNCTION_BT709_INV_OETF, 775 AMDGPU_TRANSFER_FUNCTION_PQ_EOTF, 776 AMDGPU_TRANSFER_FUNCTION_IDENTITY, 777 AMDGPU_TRANSFER_FUNCTION_GAMMA22_EOTF, 778 AMDGPU_TRANSFER_FUNCTION_GAMMA24_EOTF, 779 AMDGPU_TRANSFER_FUNCTION_GAMMA26_EOTF, 780 AMDGPU_TRANSFER_FUNCTION_SRGB_INV_EOTF, 781 AMDGPU_TRANSFER_FUNCTION_BT709_OETF, 782 AMDGPU_TRANSFER_FUNCTION_PQ_INV_EOTF, 783 AMDGPU_TRANSFER_FUNCTION_GAMMA22_INV_EOTF, 784 AMDGPU_TRANSFER_FUNCTION_GAMMA24_INV_EOTF, 785 AMDGPU_TRANSFER_FUNCTION_GAMMA26_INV_EOTF, 786 AMDGPU_TRANSFER_FUNCTION_COUNT 787 }; 788 789 struct dm_plane_state { 790 struct drm_plane_state base; 791 struct dc_plane_state *dc_state; 792 793 /* Plane color mgmt */ 794 /** 795 * @degamma_lut: 796 * 797 * 1D LUT for mapping framebuffer/plane pixel data before sampling or 798 * blending operations. It's usually applied to linearize input space. 799 * The blob (if not NULL) is an array of &struct drm_color_lut. 800 */ 801 struct drm_property_blob *degamma_lut; 802 /** 803 * @degamma_tf: 804 * 805 * Predefined transfer function to tell DC driver the input space to 806 * linearize. 807 */ 808 enum amdgpu_transfer_function degamma_tf; 809 /** 810 * @hdr_mult: 811 * 812 * Multiplier to 'gain' the plane. When PQ is decoded using the fixed 813 * func transfer function to the internal FP16 fb, 1.0 -> 80 nits (on 814 * AMD at least). When sRGB is decoded, 1.0 -> 1.0, obviously. 815 * Therefore, 1.0 multiplier = 80 nits for SDR content. So if you 816 * want, 203 nits for SDR content, pass in (203.0 / 80.0). Format is 817 * S31.32 sign-magnitude. 818 * 819 * HDR multiplier can wide range beyond [0.0, 1.0]. This means that PQ 820 * TF is needed for any subsequent linear-to-non-linear transforms. 821 */ 822 __u64 hdr_mult; 823 /** 824 * @ctm: 825 * 826 * Color transformation matrix. The blob (if not NULL) is a &struct 827 * drm_color_ctm_3x4. 828 */ 829 struct drm_property_blob *ctm; 830 /** 831 * @shaper_lut: shaper lookup table blob. The blob (if not NULL) is an 832 * array of &struct drm_color_lut. 833 */ 834 struct drm_property_blob *shaper_lut; 835 /** 836 * @shaper_tf: 837 * 838 * Predefined transfer function to delinearize color space. 839 */ 840 enum amdgpu_transfer_function shaper_tf; 841 /** 842 * @lut3d: 3D lookup table blob. The blob (if not NULL) is an array of 843 * &struct drm_color_lut. 844 */ 845 struct drm_property_blob *lut3d; 846 /** 847 * @blend_lut: blend lut lookup table blob. The blob (if not NULL) is an 848 * array of &struct drm_color_lut. 849 */ 850 struct drm_property_blob *blend_lut; 851 /** 852 * @blend_tf: 853 * 854 * Pre-defined transfer function for converting plane pixel data before 855 * applying blend LUT. 856 */ 857 enum amdgpu_transfer_function blend_tf; 858 }; 859 860 enum amdgpu_dm_cursor_mode { 861 DM_CURSOR_NATIVE_MODE = 0, 862 DM_CURSOR_OVERLAY_MODE, 863 }; 864 865 struct dm_crtc_state { 866 struct drm_crtc_state base; 867 struct dc_stream_state *stream; 868 869 bool cm_has_degamma; 870 bool cm_is_degamma_srgb; 871 872 bool mpo_requested; 873 874 int update_type; 875 int active_planes; 876 877 int crc_skip_count; 878 879 bool freesync_vrr_info_changed; 880 881 bool dsc_force_changed; 882 bool vrr_supported; 883 struct mod_freesync_config freesync_config; 884 struct dc_info_packet vrr_infopacket; 885 886 int abm_level; 887 888 /** 889 * @regamma_tf: 890 * 891 * Pre-defined transfer function for converting internal FB -> wire 892 * encoding. 893 */ 894 enum amdgpu_transfer_function regamma_tf; 895 896 enum amdgpu_dm_cursor_mode cursor_mode; 897 }; 898 899 #define to_dm_crtc_state(x) container_of(x, struct dm_crtc_state, base) 900 901 struct dm_atomic_state { 902 struct drm_private_state base; 903 904 struct dc_state *context; 905 }; 906 907 #define to_dm_atomic_state(x) container_of(x, struct dm_atomic_state, base) 908 909 struct dm_connector_state { 910 struct drm_connector_state base; 911 912 enum amdgpu_rmx_type scaling; 913 uint8_t underscan_vborder; 914 uint8_t underscan_hborder; 915 bool underscan_enable; 916 bool freesync_capable; 917 bool update_hdcp; 918 uint8_t abm_level; 919 int vcpi_slots; 920 uint64_t pbn; 921 }; 922 923 #define to_dm_connector_state(x)\ 924 container_of((x), struct dm_connector_state, base) 925 926 void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector); 927 struct drm_connector_state * 928 amdgpu_dm_connector_atomic_duplicate_state(struct drm_connector *connector); 929 int amdgpu_dm_connector_atomic_set_property(struct drm_connector *connector, 930 struct drm_connector_state *state, 931 struct drm_property *property, 932 uint64_t val); 933 934 int amdgpu_dm_connector_atomic_get_property(struct drm_connector *connector, 935 const struct drm_connector_state *state, 936 struct drm_property *property, 937 uint64_t *val); 938 939 int amdgpu_dm_get_encoder_crtc_mask(struct amdgpu_device *adev); 940 941 void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm, 942 struct amdgpu_dm_connector *aconnector, 943 int connector_type, 944 struct dc_link *link, 945 int link_index); 946 947 enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connector, 948 struct drm_display_mode *mode); 949 950 void dm_restore_drm_connector_state(struct drm_device *dev, 951 struct drm_connector *connector); 952 953 void amdgpu_dm_update_freesync_caps(struct drm_connector *connector, 954 struct edid *edid); 955 956 void amdgpu_dm_trigger_timing_sync(struct drm_device *dev); 957 958 /* 3D LUT max size is 17x17x17 (4913 entries) */ 959 #define MAX_COLOR_3DLUT_SIZE 17 960 #define MAX_COLOR_3DLUT_BITDEPTH 12 961 int amdgpu_dm_verify_lut3d_size(struct amdgpu_device *adev, 962 struct drm_plane_state *plane_state); 963 /* 1D LUT size */ 964 #define MAX_COLOR_LUT_ENTRIES 4096 965 /* Legacy gamm LUT users such as X doesn't like large LUT sizes */ 966 #define MAX_COLOR_LEGACY_LUT_ENTRIES 256 967 968 void amdgpu_dm_init_color_mod(void); 969 int amdgpu_dm_create_color_properties(struct amdgpu_device *adev); 970 int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state); 971 int amdgpu_dm_update_crtc_color_mgmt(struct dm_crtc_state *crtc); 972 int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc, 973 struct drm_plane_state *plane_state, 974 struct dc_plane_state *dc_plane_state); 975 976 void amdgpu_dm_update_connector_after_detect( 977 struct amdgpu_dm_connector *aconnector); 978 979 extern const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs; 980 981 int amdgpu_dm_process_dmub_aux_transfer_sync(struct dc_context *ctx, unsigned int link_index, 982 struct aux_payload *payload, enum aux_return_code_type *operation_result); 983 984 int amdgpu_dm_process_dmub_set_config_sync(struct dc_context *ctx, unsigned int link_index, 985 struct set_config_cmd_payload *payload, enum set_config_status *operation_result); 986 987 struct dc_stream_state * 988 create_validate_stream_for_sink(struct amdgpu_dm_connector *aconnector, 989 const struct drm_display_mode *drm_mode, 990 const struct dm_connector_state *dm_state, 991 const struct dc_stream_state *old_stream); 992 993 int dm_atomic_get_state(struct drm_atomic_state *state, 994 struct dm_atomic_state **dm_state); 995 996 struct drm_connector * 997 amdgpu_dm_find_first_crtc_matching_connector(struct drm_atomic_state *state, 998 struct drm_crtc *crtc); 999 1000 int convert_dc_color_depth_into_bpc(enum dc_color_depth display_color_depth); 1001 struct idle_workqueue *idle_create_workqueue(struct amdgpu_device *adev); 1002 1003 void *dm_allocate_gpu_mem(struct amdgpu_device *adev, 1004 enum dc_gpu_mem_alloc_type type, 1005 size_t size, 1006 long long *addr); 1007 1008 bool amdgpu_dm_is_headless(struct amdgpu_device *adev); 1009 1010 #endif /* __AMDGPU_DM_H__ */ 1011