1 /* 2 * Copyright 2007-8 Advanced Micro Devices, Inc. 3 * Copyright 2008 Red Hat Inc. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in 13 * all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 21 * OTHER DEALINGS IN THE SOFTWARE. 22 * 23 * Authors: Dave Airlie 24 * Alex Deucher 25 */ 26 27 #include <drm/amdgpu_drm.h> 28 #include "amdgpu.h" 29 #include "amdgpu_i2c.h" 30 #include "atom.h" 31 #include "amdgpu_connectors.h" 32 #include "amdgpu_display.h" 33 #include <asm/div64.h> 34 35 #include <linux/pci.h> 36 #include <linux/pm_runtime.h> 37 #include <drm/drm_crtc_helper.h> 38 #include <drm/drm_edid.h> 39 #include <drm/drm_gem_framebuffer_helper.h> 40 #include <drm/drm_fb_helper.h> 41 #include <drm/drm_fourcc.h> 42 #include <drm/drm_vblank.h> 43 44 static void amdgpu_display_flip_callback(struct dma_fence *f, 45 struct dma_fence_cb *cb) 46 { 47 struct amdgpu_flip_work *work = 48 container_of(cb, struct amdgpu_flip_work, cb); 49 50 dma_fence_put(f); 51 schedule_work(&work->flip_work.work); 52 } 53 54 static bool amdgpu_display_flip_handle_fence(struct amdgpu_flip_work *work, 55 struct dma_fence **f) 56 { 57 struct dma_fence *fence= *f; 58 59 if (fence == NULL) 60 return false; 61 62 *f = NULL; 63 64 if (!dma_fence_add_callback(fence, &work->cb, 65 amdgpu_display_flip_callback)) 66 return true; 67 68 dma_fence_put(fence); 69 return false; 70 } 71 72 static void amdgpu_display_flip_work_func(struct work_struct *__work) 73 { 74 struct delayed_work *delayed_work = 75 container_of(__work, struct delayed_work, work); 76 struct amdgpu_flip_work *work = 77 container_of(delayed_work, struct amdgpu_flip_work, flip_work); 78 struct amdgpu_device *adev = work->adev; 79 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[work->crtc_id]; 80 81 struct drm_crtc *crtc = &amdgpu_crtc->base; 82 unsigned long flags; 83 unsigned i; 84 int vpos, hpos; 85 86 if (amdgpu_display_flip_handle_fence(work, &work->excl)) 87 return; 88 89 for (i = 0; i < work->shared_count; ++i) 90 if (amdgpu_display_flip_handle_fence(work, &work->shared[i])) 91 return; 92 93 /* Wait until we're out of the vertical blank period before the one 94 * targeted by the flip 95 */ 96 if (amdgpu_crtc->enabled && 97 (amdgpu_display_get_crtc_scanoutpos(adev_to_drm(adev), work->crtc_id, 0, 98 &vpos, &hpos, NULL, NULL, 99 &crtc->hwmode) 100 & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK)) == 101 (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK) && 102 (int)(work->target_vblank - 103 amdgpu_get_vblank_counter_kms(crtc)) > 0) { 104 schedule_delayed_work(&work->flip_work, usecs_to_jiffies(1000)); 105 return; 106 } 107 108 /* We borrow the event spin lock for protecting flip_status */ 109 spin_lock_irqsave(&crtc->dev->event_lock, flags); 110 111 /* Do the flip (mmio) */ 112 adev->mode_info.funcs->page_flip(adev, work->crtc_id, work->base, work->async); 113 114 /* Set the flip status */ 115 amdgpu_crtc->pflip_status = AMDGPU_FLIP_SUBMITTED; 116 spin_unlock_irqrestore(&crtc->dev->event_lock, flags); 117 118 119 DRM_DEBUG_DRIVER("crtc:%d[%p], pflip_stat:AMDGPU_FLIP_SUBMITTED, work: %p,\n", 120 amdgpu_crtc->crtc_id, amdgpu_crtc, work); 121 122 } 123 124 /* 125 * Handle unpin events outside the interrupt handler proper. 126 */ 127 static void amdgpu_display_unpin_work_func(struct work_struct *__work) 128 { 129 struct amdgpu_flip_work *work = 130 container_of(__work, struct amdgpu_flip_work, unpin_work); 131 int r; 132 133 /* unpin of the old buffer */ 134 r = amdgpu_bo_reserve(work->old_abo, true); 135 if (likely(r == 0)) { 136 amdgpu_bo_unpin(work->old_abo); 137 amdgpu_bo_unreserve(work->old_abo); 138 } else 139 DRM_ERROR("failed to reserve buffer after flip\n"); 140 141 amdgpu_bo_unref(&work->old_abo); 142 kfree(work->shared); 143 kfree(work); 144 } 145 146 int amdgpu_display_crtc_page_flip_target(struct drm_crtc *crtc, 147 struct drm_framebuffer *fb, 148 struct drm_pending_vblank_event *event, 149 uint32_t page_flip_flags, uint32_t target, 150 struct drm_modeset_acquire_ctx *ctx) 151 { 152 struct drm_device *dev = crtc->dev; 153 struct amdgpu_device *adev = drm_to_adev(dev); 154 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 155 struct drm_gem_object *obj; 156 struct amdgpu_flip_work *work; 157 struct amdgpu_bo *new_abo; 158 unsigned long flags; 159 u64 tiling_flags; 160 int i, r; 161 162 work = kzalloc(sizeof *work, GFP_KERNEL); 163 if (work == NULL) 164 return -ENOMEM; 165 166 INIT_DELAYED_WORK(&work->flip_work, amdgpu_display_flip_work_func); 167 INIT_WORK(&work->unpin_work, amdgpu_display_unpin_work_func); 168 169 work->event = event; 170 work->adev = adev; 171 work->crtc_id = amdgpu_crtc->crtc_id; 172 work->async = (page_flip_flags & DRM_MODE_PAGE_FLIP_ASYNC) != 0; 173 174 /* schedule unpin of the old buffer */ 175 obj = crtc->primary->fb->obj[0]; 176 177 /* take a reference to the old object */ 178 work->old_abo = gem_to_amdgpu_bo(obj); 179 amdgpu_bo_ref(work->old_abo); 180 181 obj = fb->obj[0]; 182 new_abo = gem_to_amdgpu_bo(obj); 183 184 /* pin the new buffer */ 185 r = amdgpu_bo_reserve(new_abo, false); 186 if (unlikely(r != 0)) { 187 DRM_ERROR("failed to reserve new abo buffer before flip\n"); 188 goto cleanup; 189 } 190 191 if (!adev->enable_virtual_display) { 192 r = amdgpu_bo_pin(new_abo, 193 amdgpu_display_supported_domains(adev, new_abo->flags)); 194 if (unlikely(r != 0)) { 195 DRM_ERROR("failed to pin new abo buffer before flip\n"); 196 goto unreserve; 197 } 198 } 199 200 r = amdgpu_ttm_alloc_gart(&new_abo->tbo); 201 if (unlikely(r != 0)) { 202 DRM_ERROR("%p bind failed\n", new_abo); 203 goto unpin; 204 } 205 206 r = dma_resv_get_fences(new_abo->tbo.base.resv, &work->excl, 207 &work->shared_count, &work->shared); 208 if (unlikely(r != 0)) { 209 DRM_ERROR("failed to get fences for buffer\n"); 210 goto unpin; 211 } 212 213 amdgpu_bo_get_tiling_flags(new_abo, &tiling_flags); 214 amdgpu_bo_unreserve(new_abo); 215 216 if (!adev->enable_virtual_display) 217 work->base = amdgpu_bo_gpu_offset(new_abo); 218 work->target_vblank = target - (uint32_t)drm_crtc_vblank_count(crtc) + 219 amdgpu_get_vblank_counter_kms(crtc); 220 221 /* we borrow the event spin lock for protecting flip_wrok */ 222 spin_lock_irqsave(&crtc->dev->event_lock, flags); 223 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_NONE) { 224 DRM_DEBUG_DRIVER("flip queue: crtc already busy\n"); 225 spin_unlock_irqrestore(&crtc->dev->event_lock, flags); 226 r = -EBUSY; 227 goto pflip_cleanup; 228 } 229 230 amdgpu_crtc->pflip_status = AMDGPU_FLIP_PENDING; 231 amdgpu_crtc->pflip_works = work; 232 233 234 DRM_DEBUG_DRIVER("crtc:%d[%p], pflip_stat:AMDGPU_FLIP_PENDING, work: %p,\n", 235 amdgpu_crtc->crtc_id, amdgpu_crtc, work); 236 /* update crtc fb */ 237 crtc->primary->fb = fb; 238 spin_unlock_irqrestore(&crtc->dev->event_lock, flags); 239 amdgpu_display_flip_work_func(&work->flip_work.work); 240 return 0; 241 242 pflip_cleanup: 243 if (unlikely(amdgpu_bo_reserve(new_abo, false) != 0)) { 244 DRM_ERROR("failed to reserve new abo in error path\n"); 245 goto cleanup; 246 } 247 unpin: 248 if (!adev->enable_virtual_display) 249 amdgpu_bo_unpin(new_abo); 250 251 unreserve: 252 amdgpu_bo_unreserve(new_abo); 253 254 cleanup: 255 amdgpu_bo_unref(&work->old_abo); 256 dma_fence_put(work->excl); 257 for (i = 0; i < work->shared_count; ++i) 258 dma_fence_put(work->shared[i]); 259 kfree(work->shared); 260 kfree(work); 261 262 return r; 263 } 264 265 int amdgpu_display_crtc_set_config(struct drm_mode_set *set, 266 struct drm_modeset_acquire_ctx *ctx) 267 { 268 struct drm_device *dev; 269 struct amdgpu_device *adev; 270 struct drm_crtc *crtc; 271 bool active = false; 272 int ret; 273 274 if (!set || !set->crtc) 275 return -EINVAL; 276 277 dev = set->crtc->dev; 278 279 ret = pm_runtime_get_sync(dev->dev); 280 if (ret < 0) 281 goto out; 282 283 ret = drm_crtc_helper_set_config(set, ctx); 284 285 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) 286 if (crtc->enabled) 287 active = true; 288 289 pm_runtime_mark_last_busy(dev->dev); 290 291 adev = drm_to_adev(dev); 292 /* if we have active crtcs and we don't have a power ref, 293 take the current one */ 294 if (active && !adev->have_disp_power_ref) { 295 adev->have_disp_power_ref = true; 296 return ret; 297 } 298 /* if we have no active crtcs, then drop the power ref 299 we got before */ 300 if (!active && adev->have_disp_power_ref) { 301 pm_runtime_put_autosuspend(dev->dev); 302 adev->have_disp_power_ref = false; 303 } 304 305 out: 306 /* drop the power reference we got coming in here */ 307 pm_runtime_put_autosuspend(dev->dev); 308 return ret; 309 } 310 311 static const char *encoder_names[41] = { 312 "NONE", 313 "INTERNAL_LVDS", 314 "INTERNAL_TMDS1", 315 "INTERNAL_TMDS2", 316 "INTERNAL_DAC1", 317 "INTERNAL_DAC2", 318 "INTERNAL_SDVOA", 319 "INTERNAL_SDVOB", 320 "SI170B", 321 "CH7303", 322 "CH7301", 323 "INTERNAL_DVO1", 324 "EXTERNAL_SDVOA", 325 "EXTERNAL_SDVOB", 326 "TITFP513", 327 "INTERNAL_LVTM1", 328 "VT1623", 329 "HDMI_SI1930", 330 "HDMI_INTERNAL", 331 "INTERNAL_KLDSCP_TMDS1", 332 "INTERNAL_KLDSCP_DVO1", 333 "INTERNAL_KLDSCP_DAC1", 334 "INTERNAL_KLDSCP_DAC2", 335 "SI178", 336 "MVPU_FPGA", 337 "INTERNAL_DDI", 338 "VT1625", 339 "HDMI_SI1932", 340 "DP_AN9801", 341 "DP_DP501", 342 "INTERNAL_UNIPHY", 343 "INTERNAL_KLDSCP_LVTMA", 344 "INTERNAL_UNIPHY1", 345 "INTERNAL_UNIPHY2", 346 "NUTMEG", 347 "TRAVIS", 348 "INTERNAL_VCE", 349 "INTERNAL_UNIPHY3", 350 "HDMI_ANX9805", 351 "INTERNAL_AMCLK", 352 "VIRTUAL", 353 }; 354 355 static const char *hpd_names[6] = { 356 "HPD1", 357 "HPD2", 358 "HPD3", 359 "HPD4", 360 "HPD5", 361 "HPD6", 362 }; 363 364 void amdgpu_display_print_display_setup(struct drm_device *dev) 365 { 366 struct drm_connector *connector; 367 struct amdgpu_connector *amdgpu_connector; 368 struct drm_encoder *encoder; 369 struct amdgpu_encoder *amdgpu_encoder; 370 struct drm_connector_list_iter iter; 371 uint32_t devices; 372 int i = 0; 373 374 drm_connector_list_iter_begin(dev, &iter); 375 DRM_INFO("AMDGPU Display Connectors\n"); 376 drm_for_each_connector_iter(connector, &iter) { 377 amdgpu_connector = to_amdgpu_connector(connector); 378 DRM_INFO("Connector %d:\n", i); 379 DRM_INFO(" %s\n", connector->name); 380 if (amdgpu_connector->hpd.hpd != AMDGPU_HPD_NONE) 381 DRM_INFO(" %s\n", hpd_names[amdgpu_connector->hpd.hpd]); 382 if (amdgpu_connector->ddc_bus) { 383 DRM_INFO(" DDC: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", 384 amdgpu_connector->ddc_bus->rec.mask_clk_reg, 385 amdgpu_connector->ddc_bus->rec.mask_data_reg, 386 amdgpu_connector->ddc_bus->rec.a_clk_reg, 387 amdgpu_connector->ddc_bus->rec.a_data_reg, 388 amdgpu_connector->ddc_bus->rec.en_clk_reg, 389 amdgpu_connector->ddc_bus->rec.en_data_reg, 390 amdgpu_connector->ddc_bus->rec.y_clk_reg, 391 amdgpu_connector->ddc_bus->rec.y_data_reg); 392 if (amdgpu_connector->router.ddc_valid) 393 DRM_INFO(" DDC Router 0x%x/0x%x\n", 394 amdgpu_connector->router.ddc_mux_control_pin, 395 amdgpu_connector->router.ddc_mux_state); 396 if (amdgpu_connector->router.cd_valid) 397 DRM_INFO(" Clock/Data Router 0x%x/0x%x\n", 398 amdgpu_connector->router.cd_mux_control_pin, 399 amdgpu_connector->router.cd_mux_state); 400 } else { 401 if (connector->connector_type == DRM_MODE_CONNECTOR_VGA || 402 connector->connector_type == DRM_MODE_CONNECTOR_DVII || 403 connector->connector_type == DRM_MODE_CONNECTOR_DVID || 404 connector->connector_type == DRM_MODE_CONNECTOR_DVIA || 405 connector->connector_type == DRM_MODE_CONNECTOR_HDMIA || 406 connector->connector_type == DRM_MODE_CONNECTOR_HDMIB) 407 DRM_INFO(" DDC: no ddc bus - possible BIOS bug - please report to xorg-driver-ati@lists.x.org\n"); 408 } 409 DRM_INFO(" Encoders:\n"); 410 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 411 amdgpu_encoder = to_amdgpu_encoder(encoder); 412 devices = amdgpu_encoder->devices & amdgpu_connector->devices; 413 if (devices) { 414 if (devices & ATOM_DEVICE_CRT1_SUPPORT) 415 DRM_INFO(" CRT1: %s\n", encoder_names[amdgpu_encoder->encoder_id]); 416 if (devices & ATOM_DEVICE_CRT2_SUPPORT) 417 DRM_INFO(" CRT2: %s\n", encoder_names[amdgpu_encoder->encoder_id]); 418 if (devices & ATOM_DEVICE_LCD1_SUPPORT) 419 DRM_INFO(" LCD1: %s\n", encoder_names[amdgpu_encoder->encoder_id]); 420 if (devices & ATOM_DEVICE_DFP1_SUPPORT) 421 DRM_INFO(" DFP1: %s\n", encoder_names[amdgpu_encoder->encoder_id]); 422 if (devices & ATOM_DEVICE_DFP2_SUPPORT) 423 DRM_INFO(" DFP2: %s\n", encoder_names[amdgpu_encoder->encoder_id]); 424 if (devices & ATOM_DEVICE_DFP3_SUPPORT) 425 DRM_INFO(" DFP3: %s\n", encoder_names[amdgpu_encoder->encoder_id]); 426 if (devices & ATOM_DEVICE_DFP4_SUPPORT) 427 DRM_INFO(" DFP4: %s\n", encoder_names[amdgpu_encoder->encoder_id]); 428 if (devices & ATOM_DEVICE_DFP5_SUPPORT) 429 DRM_INFO(" DFP5: %s\n", encoder_names[amdgpu_encoder->encoder_id]); 430 if (devices & ATOM_DEVICE_DFP6_SUPPORT) 431 DRM_INFO(" DFP6: %s\n", encoder_names[amdgpu_encoder->encoder_id]); 432 if (devices & ATOM_DEVICE_TV1_SUPPORT) 433 DRM_INFO(" TV1: %s\n", encoder_names[amdgpu_encoder->encoder_id]); 434 if (devices & ATOM_DEVICE_CV_SUPPORT) 435 DRM_INFO(" CV: %s\n", encoder_names[amdgpu_encoder->encoder_id]); 436 } 437 } 438 i++; 439 } 440 drm_connector_list_iter_end(&iter); 441 } 442 443 bool amdgpu_display_ddc_probe(struct amdgpu_connector *amdgpu_connector, 444 bool use_aux) 445 { 446 u8 out = 0x0; 447 u8 buf[8]; 448 int ret; 449 struct i2c_msg msgs[] = { 450 { 451 .addr = DDC_ADDR, 452 .flags = 0, 453 .len = 1, 454 .buf = &out, 455 }, 456 { 457 .addr = DDC_ADDR, 458 .flags = I2C_M_RD, 459 .len = 8, 460 .buf = buf, 461 } 462 }; 463 464 /* on hw with routers, select right port */ 465 if (amdgpu_connector->router.ddc_valid) 466 amdgpu_i2c_router_select_ddc_port(amdgpu_connector); 467 468 if (use_aux) { 469 ret = i2c_transfer(&amdgpu_connector->ddc_bus->aux.ddc, msgs, 2); 470 } else { 471 ret = i2c_transfer(&amdgpu_connector->ddc_bus->adapter, msgs, 2); 472 } 473 474 if (ret != 2) 475 /* Couldn't find an accessible DDC on this connector */ 476 return false; 477 /* Probe also for valid EDID header 478 * EDID header starts with: 479 * 0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00. 480 * Only the first 6 bytes must be valid as 481 * drm_edid_block_valid() can fix the last 2 bytes */ 482 if (drm_edid_header_is_valid(buf) < 6) { 483 /* Couldn't find an accessible EDID on this 484 * connector */ 485 return false; 486 } 487 return true; 488 } 489 490 static const struct drm_framebuffer_funcs amdgpu_fb_funcs = { 491 .destroy = drm_gem_fb_destroy, 492 .create_handle = drm_gem_fb_create_handle, 493 }; 494 495 uint32_t amdgpu_display_supported_domains(struct amdgpu_device *adev, 496 uint64_t bo_flags) 497 { 498 uint32_t domain = AMDGPU_GEM_DOMAIN_VRAM; 499 500 #if defined(CONFIG_DRM_AMD_DC) 501 /* 502 * if amdgpu_bo_support_uswc returns false it means that USWC mappings 503 * is not supported for this board. But this mapping is required 504 * to avoid hang caused by placement of scanout BO in GTT on certain 505 * APUs. So force the BO placement to VRAM in case this architecture 506 * will not allow USWC mappings. 507 * Also, don't allow GTT domain if the BO doesn't have USWC flag set. 508 */ 509 if ((bo_flags & AMDGPU_GEM_CREATE_CPU_GTT_USWC) && 510 amdgpu_bo_support_uswc(bo_flags) && 511 amdgpu_device_asic_has_dc_support(adev->asic_type)) { 512 switch (adev->asic_type) { 513 case CHIP_CARRIZO: 514 case CHIP_STONEY: 515 domain |= AMDGPU_GEM_DOMAIN_GTT; 516 break; 517 case CHIP_RAVEN: 518 /* enable S/G on PCO and RV2 */ 519 if ((adev->apu_flags & AMD_APU_IS_RAVEN2) || 520 (adev->apu_flags & AMD_APU_IS_PICASSO)) 521 domain |= AMDGPU_GEM_DOMAIN_GTT; 522 break; 523 case CHIP_RENOIR: 524 case CHIP_VANGOGH: 525 domain |= AMDGPU_GEM_DOMAIN_GTT; 526 break; 527 528 default: 529 break; 530 } 531 } 532 #endif 533 534 return domain; 535 } 536 537 static const struct drm_format_info dcc_formats[] = { 538 { .format = DRM_FORMAT_XRGB8888, .depth = 24, .num_planes = 2, 539 .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, 540 { .format = DRM_FORMAT_XBGR8888, .depth = 24, .num_planes = 2, 541 .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, 542 { .format = DRM_FORMAT_ARGB8888, .depth = 32, .num_planes = 2, 543 .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, 544 .has_alpha = true, }, 545 { .format = DRM_FORMAT_ABGR8888, .depth = 32, .num_planes = 2, 546 .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, 547 .has_alpha = true, }, 548 { .format = DRM_FORMAT_BGRA8888, .depth = 32, .num_planes = 2, 549 .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, 550 .has_alpha = true, }, 551 { .format = DRM_FORMAT_XRGB2101010, .depth = 30, .num_planes = 2, 552 .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, 553 { .format = DRM_FORMAT_XBGR2101010, .depth = 30, .num_planes = 2, 554 .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, 555 { .format = DRM_FORMAT_ARGB2101010, .depth = 30, .num_planes = 2, 556 .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, 557 .has_alpha = true, }, 558 { .format = DRM_FORMAT_ABGR2101010, .depth = 30, .num_planes = 2, 559 .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, 560 .has_alpha = true, }, 561 { .format = DRM_FORMAT_RGB565, .depth = 16, .num_planes = 2, 562 .cpp = { 2, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, 563 }; 564 565 static const struct drm_format_info dcc_retile_formats[] = { 566 { .format = DRM_FORMAT_XRGB8888, .depth = 24, .num_planes = 3, 567 .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, 568 { .format = DRM_FORMAT_XBGR8888, .depth = 24, .num_planes = 3, 569 .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, 570 { .format = DRM_FORMAT_ARGB8888, .depth = 32, .num_planes = 3, 571 .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, 572 .has_alpha = true, }, 573 { .format = DRM_FORMAT_ABGR8888, .depth = 32, .num_planes = 3, 574 .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, 575 .has_alpha = true, }, 576 { .format = DRM_FORMAT_BGRA8888, .depth = 32, .num_planes = 3, 577 .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, 578 .has_alpha = true, }, 579 { .format = DRM_FORMAT_XRGB2101010, .depth = 30, .num_planes = 3, 580 .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, 581 { .format = DRM_FORMAT_XBGR2101010, .depth = 30, .num_planes = 3, 582 .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, 583 { .format = DRM_FORMAT_ARGB2101010, .depth = 30, .num_planes = 3, 584 .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, 585 .has_alpha = true, }, 586 { .format = DRM_FORMAT_ABGR2101010, .depth = 30, .num_planes = 3, 587 .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, 588 .has_alpha = true, }, 589 { .format = DRM_FORMAT_RGB565, .depth = 16, .num_planes = 3, 590 .cpp = { 2, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, 591 }; 592 593 static const struct drm_format_info * 594 lookup_format_info(const struct drm_format_info formats[], 595 int num_formats, u32 format) 596 { 597 int i; 598 599 for (i = 0; i < num_formats; i++) { 600 if (formats[i].format == format) 601 return &formats[i]; 602 } 603 604 return NULL; 605 } 606 607 const struct drm_format_info * 608 amdgpu_lookup_format_info(u32 format, uint64_t modifier) 609 { 610 if (!IS_AMD_FMT_MOD(modifier)) 611 return NULL; 612 613 if (AMD_FMT_MOD_GET(DCC_RETILE, modifier)) 614 return lookup_format_info(dcc_retile_formats, 615 ARRAY_SIZE(dcc_retile_formats), 616 format); 617 618 if (AMD_FMT_MOD_GET(DCC, modifier)) 619 return lookup_format_info(dcc_formats, ARRAY_SIZE(dcc_formats), 620 format); 621 622 /* returning NULL will cause the default format structs to be used. */ 623 return NULL; 624 } 625 626 627 /* 628 * Tries to extract the renderable DCC offset from the opaque metadata attached 629 * to the buffer. 630 */ 631 static int 632 extract_render_dcc_offset(struct amdgpu_device *adev, 633 struct drm_gem_object *obj, 634 uint64_t *offset) 635 { 636 struct amdgpu_bo *rbo; 637 int r = 0; 638 uint32_t metadata[10]; /* Something that fits a descriptor + header. */ 639 uint32_t size; 640 641 rbo = gem_to_amdgpu_bo(obj); 642 r = amdgpu_bo_reserve(rbo, false); 643 644 if (unlikely(r)) { 645 /* Don't show error message when returning -ERESTARTSYS */ 646 if (r != -ERESTARTSYS) 647 DRM_ERROR("Unable to reserve buffer: %d\n", r); 648 return r; 649 } 650 651 r = amdgpu_bo_get_metadata(rbo, metadata, sizeof(metadata), &size, NULL); 652 amdgpu_bo_unreserve(rbo); 653 654 if (r) 655 return r; 656 657 /* 658 * The first word is the metadata version, and we need space for at least 659 * the version + pci vendor+device id + 8 words for a descriptor. 660 */ 661 if (size < 40 || metadata[0] != 1) 662 return -EINVAL; 663 664 if (adev->family >= AMDGPU_FAMILY_NV) { 665 /* resource word 6/7 META_DATA_ADDRESS{_LO} */ 666 *offset = ((u64)metadata[9] << 16u) | 667 ((metadata[8] & 0xFF000000u) >> 16); 668 } else { 669 /* resource word 5/7 META_DATA_ADDRESS */ 670 *offset = ((u64)metadata[9] << 8u) | 671 ((u64)(metadata[7] & 0x1FE0000u) << 23); 672 } 673 674 return 0; 675 } 676 677 static int convert_tiling_flags_to_modifier(struct amdgpu_framebuffer *afb) 678 { 679 struct amdgpu_device *adev = drm_to_adev(afb->base.dev); 680 uint64_t modifier = 0; 681 682 if (!afb->tiling_flags || !AMDGPU_TILING_GET(afb->tiling_flags, SWIZZLE_MODE)) { 683 modifier = DRM_FORMAT_MOD_LINEAR; 684 } else { 685 int swizzle = AMDGPU_TILING_GET(afb->tiling_flags, SWIZZLE_MODE); 686 bool has_xor = swizzle >= 16; 687 int block_size_bits; 688 int version; 689 int pipe_xor_bits = 0; 690 int bank_xor_bits = 0; 691 int packers = 0; 692 int rb = 0; 693 int pipes = ilog2(adev->gfx.config.gb_addr_config_fields.num_pipes); 694 uint32_t dcc_offset = AMDGPU_TILING_GET(afb->tiling_flags, DCC_OFFSET_256B); 695 696 switch (swizzle >> 2) { 697 case 0: /* 256B */ 698 block_size_bits = 8; 699 break; 700 case 1: /* 4KiB */ 701 case 5: /* 4KiB _X */ 702 block_size_bits = 12; 703 break; 704 case 2: /* 64KiB */ 705 case 4: /* 64 KiB _T */ 706 case 6: /* 64 KiB _X */ 707 block_size_bits = 16; 708 break; 709 default: 710 /* RESERVED or VAR */ 711 return -EINVAL; 712 } 713 714 if (adev->asic_type >= CHIP_SIENNA_CICHLID) 715 version = AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS; 716 else if (adev->family == AMDGPU_FAMILY_NV) 717 version = AMD_FMT_MOD_TILE_VER_GFX10; 718 else 719 version = AMD_FMT_MOD_TILE_VER_GFX9; 720 721 switch (swizzle & 3) { 722 case 0: /* Z microtiling */ 723 return -EINVAL; 724 case 1: /* S microtiling */ 725 if (!has_xor) 726 version = AMD_FMT_MOD_TILE_VER_GFX9; 727 break; 728 case 2: 729 if (!has_xor && afb->base.format->cpp[0] != 4) 730 version = AMD_FMT_MOD_TILE_VER_GFX9; 731 break; 732 case 3: 733 break; 734 } 735 736 if (has_xor) { 737 switch (version) { 738 case AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS: 739 pipe_xor_bits = min(block_size_bits - 8, pipes); 740 packers = min(block_size_bits - 8 - pipe_xor_bits, 741 ilog2(adev->gfx.config.gb_addr_config_fields.num_pkrs)); 742 break; 743 case AMD_FMT_MOD_TILE_VER_GFX10: 744 pipe_xor_bits = min(block_size_bits - 8, pipes); 745 break; 746 case AMD_FMT_MOD_TILE_VER_GFX9: 747 rb = ilog2(adev->gfx.config.gb_addr_config_fields.num_se) + 748 ilog2(adev->gfx.config.gb_addr_config_fields.num_rb_per_se); 749 pipe_xor_bits = min(block_size_bits - 8, pipes + 750 ilog2(adev->gfx.config.gb_addr_config_fields.num_se)); 751 bank_xor_bits = min(block_size_bits - 8 - pipe_xor_bits, 752 ilog2(adev->gfx.config.gb_addr_config_fields.num_banks)); 753 break; 754 } 755 } 756 757 modifier = AMD_FMT_MOD | 758 AMD_FMT_MOD_SET(TILE, AMDGPU_TILING_GET(afb->tiling_flags, SWIZZLE_MODE)) | 759 AMD_FMT_MOD_SET(TILE_VERSION, version) | 760 AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) | 761 AMD_FMT_MOD_SET(BANK_XOR_BITS, bank_xor_bits) | 762 AMD_FMT_MOD_SET(PACKERS, packers); 763 764 if (dcc_offset != 0) { 765 bool dcc_i64b = AMDGPU_TILING_GET(afb->tiling_flags, DCC_INDEPENDENT_64B) != 0; 766 bool dcc_i128b = version >= AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS; 767 const struct drm_format_info *format_info; 768 u64 render_dcc_offset; 769 770 /* Enable constant encode on RAVEN2 and later. */ 771 bool dcc_constant_encode = adev->asic_type > CHIP_RAVEN || 772 (adev->asic_type == CHIP_RAVEN && 773 adev->external_rev_id >= 0x81); 774 775 int max_cblock_size = dcc_i64b ? AMD_FMT_MOD_DCC_BLOCK_64B : 776 dcc_i128b ? AMD_FMT_MOD_DCC_BLOCK_128B : 777 AMD_FMT_MOD_DCC_BLOCK_256B; 778 779 modifier |= AMD_FMT_MOD_SET(DCC, 1) | 780 AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, dcc_constant_encode) | 781 AMD_FMT_MOD_SET(DCC_INDEPENDENT_64B, dcc_i64b) | 782 AMD_FMT_MOD_SET(DCC_INDEPENDENT_128B, dcc_i128b) | 783 AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, max_cblock_size); 784 785 afb->base.offsets[1] = dcc_offset * 256 + afb->base.offsets[0]; 786 afb->base.pitches[1] = 787 AMDGPU_TILING_GET(afb->tiling_flags, DCC_PITCH_MAX) + 1; 788 789 /* 790 * If the userspace driver uses retiling the tiling flags do not contain 791 * info on the renderable DCC buffer. Luckily the opaque metadata contains 792 * the info so we can try to extract it. The kernel does not use this info 793 * but we should convert it to a modifier plane for getfb2, so the 794 * userspace driver that gets it doesn't have to juggle around another DCC 795 * plane internally. 796 */ 797 if (extract_render_dcc_offset(adev, afb->base.obj[0], 798 &render_dcc_offset) == 0 && 799 render_dcc_offset != 0 && 800 render_dcc_offset != afb->base.offsets[1] && 801 render_dcc_offset < UINT_MAX) { 802 uint32_t dcc_block_bits; /* of base surface data */ 803 804 modifier |= AMD_FMT_MOD_SET(DCC_RETILE, 1); 805 afb->base.offsets[2] = render_dcc_offset; 806 807 if (adev->family >= AMDGPU_FAMILY_NV) { 808 int extra_pipe = 0; 809 810 if (adev->asic_type >= CHIP_SIENNA_CICHLID && 811 pipes == packers && pipes > 1) 812 extra_pipe = 1; 813 814 dcc_block_bits = max(20, 16 + pipes + extra_pipe); 815 } else { 816 modifier |= AMD_FMT_MOD_SET(RB, rb) | 817 AMD_FMT_MOD_SET(PIPE, pipes); 818 dcc_block_bits = max(20, 18 + rb); 819 } 820 821 dcc_block_bits -= ilog2(afb->base.format->cpp[0]); 822 afb->base.pitches[2] = ALIGN(afb->base.width, 823 1u << ((dcc_block_bits + 1) / 2)); 824 } 825 format_info = amdgpu_lookup_format_info(afb->base.format->format, 826 modifier); 827 if (!format_info) 828 return -EINVAL; 829 830 afb->base.format = format_info; 831 } 832 } 833 834 afb->base.modifier = modifier; 835 afb->base.flags |= DRM_MODE_FB_MODIFIERS; 836 return 0; 837 } 838 839 static void get_block_dimensions(unsigned int block_log2, unsigned int cpp, 840 unsigned int *width, unsigned int *height) 841 { 842 unsigned int cpp_log2 = ilog2(cpp); 843 unsigned int pixel_log2 = block_log2 - cpp_log2; 844 unsigned int width_log2 = (pixel_log2 + 1) / 2; 845 unsigned int height_log2 = pixel_log2 - width_log2; 846 847 *width = 1 << width_log2; 848 *height = 1 << height_log2; 849 } 850 851 static unsigned int get_dcc_block_size(uint64_t modifier, bool rb_aligned, 852 bool pipe_aligned) 853 { 854 unsigned int ver = AMD_FMT_MOD_GET(TILE_VERSION, modifier); 855 856 switch (ver) { 857 case AMD_FMT_MOD_TILE_VER_GFX9: { 858 /* 859 * TODO: for pipe aligned we may need to check the alignment of the 860 * total size of the surface, which may need to be bigger than the 861 * natural alignment due to some HW workarounds 862 */ 863 return max(10 + (rb_aligned ? (int)AMD_FMT_MOD_GET(RB, modifier) : 0), 12); 864 } 865 case AMD_FMT_MOD_TILE_VER_GFX10: 866 case AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS: { 867 int pipes_log2 = AMD_FMT_MOD_GET(PIPE_XOR_BITS, modifier); 868 869 if (ver == AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS && pipes_log2 > 1 && 870 AMD_FMT_MOD_GET(PACKERS, modifier) == pipes_log2) 871 ++pipes_log2; 872 873 return max(8 + (pipe_aligned ? pipes_log2 : 0), 12); 874 } 875 default: 876 return 0; 877 } 878 } 879 880 static int amdgpu_display_verify_plane(struct amdgpu_framebuffer *rfb, int plane, 881 const struct drm_format_info *format, 882 unsigned int block_width, unsigned int block_height, 883 unsigned int block_size_log2) 884 { 885 unsigned int width = rfb->base.width / 886 ((plane && plane < format->num_planes) ? format->hsub : 1); 887 unsigned int height = rfb->base.height / 888 ((plane && plane < format->num_planes) ? format->vsub : 1); 889 unsigned int cpp = plane < format->num_planes ? format->cpp[plane] : 1; 890 unsigned int block_pitch = block_width * cpp; 891 unsigned int min_pitch = ALIGN(width * cpp, block_pitch); 892 unsigned int block_size = 1 << block_size_log2; 893 uint64_t size; 894 895 if (rfb->base.pitches[plane] % block_pitch) { 896 drm_dbg_kms(rfb->base.dev, 897 "pitch %d for plane %d is not a multiple of block pitch %d\n", 898 rfb->base.pitches[plane], plane, block_pitch); 899 return -EINVAL; 900 } 901 if (rfb->base.pitches[plane] < min_pitch) { 902 drm_dbg_kms(rfb->base.dev, 903 "pitch %d for plane %d is less than minimum pitch %d\n", 904 rfb->base.pitches[plane], plane, min_pitch); 905 return -EINVAL; 906 } 907 908 /* Force at least natural alignment. */ 909 if (rfb->base.offsets[plane] % block_size) { 910 drm_dbg_kms(rfb->base.dev, 911 "offset 0x%x for plane %d is not a multiple of block pitch 0x%x\n", 912 rfb->base.offsets[plane], plane, block_size); 913 return -EINVAL; 914 } 915 916 size = rfb->base.offsets[plane] + 917 (uint64_t)rfb->base.pitches[plane] / block_pitch * 918 block_size * DIV_ROUND_UP(height, block_height); 919 920 if (rfb->base.obj[0]->size < size) { 921 drm_dbg_kms(rfb->base.dev, 922 "BO size 0x%zx is less than 0x%llx required for plane %d\n", 923 rfb->base.obj[0]->size, size, plane); 924 return -EINVAL; 925 } 926 927 return 0; 928 } 929 930 931 static int amdgpu_display_verify_sizes(struct amdgpu_framebuffer *rfb) 932 { 933 const struct drm_format_info *format_info = drm_format_info(rfb->base.format->format); 934 uint64_t modifier = rfb->base.modifier; 935 int ret; 936 unsigned int i, block_width, block_height, block_size_log2; 937 938 if (!rfb->base.dev->mode_config.allow_fb_modifiers) 939 return 0; 940 941 for (i = 0; i < format_info->num_planes; ++i) { 942 if (modifier == DRM_FORMAT_MOD_LINEAR) { 943 block_width = 256 / format_info->cpp[i]; 944 block_height = 1; 945 block_size_log2 = 8; 946 } else { 947 int swizzle = AMD_FMT_MOD_GET(TILE, modifier); 948 949 switch ((swizzle & ~3) + 1) { 950 case DC_SW_256B_S: 951 block_size_log2 = 8; 952 break; 953 case DC_SW_4KB_S: 954 case DC_SW_4KB_S_X: 955 block_size_log2 = 12; 956 break; 957 case DC_SW_64KB_S: 958 case DC_SW_64KB_S_T: 959 case DC_SW_64KB_S_X: 960 block_size_log2 = 16; 961 break; 962 default: 963 drm_dbg_kms(rfb->base.dev, 964 "Swizzle mode with unknown block size: %d\n", swizzle); 965 return -EINVAL; 966 } 967 968 get_block_dimensions(block_size_log2, format_info->cpp[i], 969 &block_width, &block_height); 970 } 971 972 ret = amdgpu_display_verify_plane(rfb, i, format_info, 973 block_width, block_height, block_size_log2); 974 if (ret) 975 return ret; 976 } 977 978 if (AMD_FMT_MOD_GET(DCC, modifier)) { 979 if (AMD_FMT_MOD_GET(DCC_RETILE, modifier)) { 980 block_size_log2 = get_dcc_block_size(modifier, false, false); 981 get_block_dimensions(block_size_log2 + 8, format_info->cpp[0], 982 &block_width, &block_height); 983 ret = amdgpu_display_verify_plane(rfb, i, format_info, 984 block_width, block_height, 985 block_size_log2); 986 if (ret) 987 return ret; 988 989 ++i; 990 block_size_log2 = get_dcc_block_size(modifier, true, true); 991 } else { 992 bool pipe_aligned = AMD_FMT_MOD_GET(DCC_PIPE_ALIGN, modifier); 993 994 block_size_log2 = get_dcc_block_size(modifier, true, pipe_aligned); 995 } 996 get_block_dimensions(block_size_log2 + 8, format_info->cpp[0], 997 &block_width, &block_height); 998 ret = amdgpu_display_verify_plane(rfb, i, format_info, 999 block_width, block_height, block_size_log2); 1000 if (ret) 1001 return ret; 1002 } 1003 1004 return 0; 1005 } 1006 1007 static int amdgpu_display_get_fb_info(const struct amdgpu_framebuffer *amdgpu_fb, 1008 uint64_t *tiling_flags, bool *tmz_surface) 1009 { 1010 struct amdgpu_bo *rbo; 1011 int r; 1012 1013 if (!amdgpu_fb) { 1014 *tiling_flags = 0; 1015 *tmz_surface = false; 1016 return 0; 1017 } 1018 1019 rbo = gem_to_amdgpu_bo(amdgpu_fb->base.obj[0]); 1020 r = amdgpu_bo_reserve(rbo, false); 1021 1022 if (unlikely(r)) { 1023 /* Don't show error message when returning -ERESTARTSYS */ 1024 if (r != -ERESTARTSYS) 1025 DRM_ERROR("Unable to reserve buffer: %d\n", r); 1026 return r; 1027 } 1028 1029 if (tiling_flags) 1030 amdgpu_bo_get_tiling_flags(rbo, tiling_flags); 1031 1032 if (tmz_surface) 1033 *tmz_surface = amdgpu_bo_encrypted(rbo); 1034 1035 amdgpu_bo_unreserve(rbo); 1036 1037 return r; 1038 } 1039 1040 int amdgpu_display_gem_fb_init(struct drm_device *dev, 1041 struct amdgpu_framebuffer *rfb, 1042 const struct drm_mode_fb_cmd2 *mode_cmd, 1043 struct drm_gem_object *obj) 1044 { 1045 int ret; 1046 1047 rfb->base.obj[0] = obj; 1048 drm_helper_mode_fill_fb_struct(dev, &rfb->base, mode_cmd); 1049 ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs); 1050 if (ret) 1051 goto err; 1052 1053 ret = amdgpu_display_framebuffer_init(dev, rfb, mode_cmd, obj); 1054 if (ret) 1055 goto err; 1056 1057 return 0; 1058 err: 1059 drm_dbg_kms(dev, "Failed to init gem fb: %d\n", ret); 1060 rfb->base.obj[0] = NULL; 1061 return ret; 1062 } 1063 1064 int amdgpu_display_gem_fb_verify_and_init( 1065 struct drm_device *dev, struct amdgpu_framebuffer *rfb, 1066 struct drm_file *file_priv, const struct drm_mode_fb_cmd2 *mode_cmd, 1067 struct drm_gem_object *obj) 1068 { 1069 int ret; 1070 1071 rfb->base.obj[0] = obj; 1072 drm_helper_mode_fill_fb_struct(dev, &rfb->base, mode_cmd); 1073 ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs); 1074 if (ret) 1075 goto err; 1076 /* Verify that the modifier is supported. */ 1077 if (!drm_any_plane_has_format(dev, mode_cmd->pixel_format, 1078 mode_cmd->modifier[0])) { 1079 drm_dbg_kms(dev, 1080 "unsupported pixel format %p4cc / modifier 0x%llx\n", 1081 &mode_cmd->pixel_format, mode_cmd->modifier[0]); 1082 1083 ret = -EINVAL; 1084 goto err; 1085 } 1086 1087 ret = amdgpu_display_framebuffer_init(dev, rfb, mode_cmd, obj); 1088 if (ret) 1089 goto err; 1090 1091 return 0; 1092 err: 1093 drm_dbg_kms(dev, "Failed to verify and init gem fb: %d\n", ret); 1094 rfb->base.obj[0] = NULL; 1095 return ret; 1096 } 1097 1098 int amdgpu_display_framebuffer_init(struct drm_device *dev, 1099 struct amdgpu_framebuffer *rfb, 1100 const struct drm_mode_fb_cmd2 *mode_cmd, 1101 struct drm_gem_object *obj) 1102 { 1103 int ret, i; 1104 1105 /* 1106 * This needs to happen before modifier conversion as that might change 1107 * the number of planes. 1108 */ 1109 for (i = 1; i < rfb->base.format->num_planes; ++i) { 1110 if (mode_cmd->handles[i] != mode_cmd->handles[0]) { 1111 drm_dbg_kms(dev, "Plane 0 and %d have different BOs: %u vs. %u\n", 1112 i, mode_cmd->handles[0], mode_cmd->handles[i]); 1113 ret = -EINVAL; 1114 return ret; 1115 } 1116 } 1117 1118 ret = amdgpu_display_get_fb_info(rfb, &rfb->tiling_flags, &rfb->tmz_surface); 1119 if (ret) 1120 return ret; 1121 1122 if (dev->mode_config.allow_fb_modifiers && 1123 !(rfb->base.flags & DRM_MODE_FB_MODIFIERS)) { 1124 ret = convert_tiling_flags_to_modifier(rfb); 1125 if (ret) { 1126 drm_dbg_kms(dev, "Failed to convert tiling flags 0x%llX to a modifier", 1127 rfb->tiling_flags); 1128 return ret; 1129 } 1130 } 1131 1132 ret = amdgpu_display_verify_sizes(rfb); 1133 if (ret) 1134 return ret; 1135 1136 for (i = 0; i < rfb->base.format->num_planes; ++i) { 1137 drm_gem_object_get(rfb->base.obj[0]); 1138 rfb->base.obj[i] = rfb->base.obj[0]; 1139 } 1140 1141 return 0; 1142 } 1143 1144 struct drm_framebuffer * 1145 amdgpu_display_user_framebuffer_create(struct drm_device *dev, 1146 struct drm_file *file_priv, 1147 const struct drm_mode_fb_cmd2 *mode_cmd) 1148 { 1149 struct amdgpu_framebuffer *amdgpu_fb; 1150 struct drm_gem_object *obj; 1151 struct amdgpu_bo *bo; 1152 uint32_t domains; 1153 int ret; 1154 1155 obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]); 1156 if (obj == NULL) { 1157 drm_dbg_kms(dev, "No GEM object associated to handle 0x%08X, " 1158 "can't create framebuffer\n", mode_cmd->handles[0]); 1159 return ERR_PTR(-ENOENT); 1160 } 1161 1162 /* Handle is imported dma-buf, so cannot be migrated to VRAM for scanout */ 1163 bo = gem_to_amdgpu_bo(obj); 1164 domains = amdgpu_display_supported_domains(drm_to_adev(dev), bo->flags); 1165 if (obj->import_attach && !(domains & AMDGPU_GEM_DOMAIN_GTT)) { 1166 drm_dbg_kms(dev, "Cannot create framebuffer from imported dma_buf\n"); 1167 drm_gem_object_put(obj); 1168 return ERR_PTR(-EINVAL); 1169 } 1170 1171 amdgpu_fb = kzalloc(sizeof(*amdgpu_fb), GFP_KERNEL); 1172 if (amdgpu_fb == NULL) { 1173 drm_gem_object_put(obj); 1174 return ERR_PTR(-ENOMEM); 1175 } 1176 1177 ret = amdgpu_display_gem_fb_verify_and_init(dev, amdgpu_fb, file_priv, 1178 mode_cmd, obj); 1179 if (ret) { 1180 kfree(amdgpu_fb); 1181 drm_gem_object_put(obj); 1182 return ERR_PTR(ret); 1183 } 1184 1185 drm_gem_object_put(obj); 1186 return &amdgpu_fb->base; 1187 } 1188 1189 const struct drm_mode_config_funcs amdgpu_mode_funcs = { 1190 .fb_create = amdgpu_display_user_framebuffer_create, 1191 .output_poll_changed = drm_fb_helper_output_poll_changed, 1192 }; 1193 1194 static const struct drm_prop_enum_list amdgpu_underscan_enum_list[] = 1195 { { UNDERSCAN_OFF, "off" }, 1196 { UNDERSCAN_ON, "on" }, 1197 { UNDERSCAN_AUTO, "auto" }, 1198 }; 1199 1200 static const struct drm_prop_enum_list amdgpu_audio_enum_list[] = 1201 { { AMDGPU_AUDIO_DISABLE, "off" }, 1202 { AMDGPU_AUDIO_ENABLE, "on" }, 1203 { AMDGPU_AUDIO_AUTO, "auto" }, 1204 }; 1205 1206 /* XXX support different dither options? spatial, temporal, both, etc. */ 1207 static const struct drm_prop_enum_list amdgpu_dither_enum_list[] = 1208 { { AMDGPU_FMT_DITHER_DISABLE, "off" }, 1209 { AMDGPU_FMT_DITHER_ENABLE, "on" }, 1210 }; 1211 1212 int amdgpu_display_modeset_create_props(struct amdgpu_device *adev) 1213 { 1214 int sz; 1215 1216 adev->mode_info.coherent_mode_property = 1217 drm_property_create_range(adev_to_drm(adev), 0, "coherent", 0, 1); 1218 if (!adev->mode_info.coherent_mode_property) 1219 return -ENOMEM; 1220 1221 adev->mode_info.load_detect_property = 1222 drm_property_create_range(adev_to_drm(adev), 0, "load detection", 0, 1); 1223 if (!adev->mode_info.load_detect_property) 1224 return -ENOMEM; 1225 1226 drm_mode_create_scaling_mode_property(adev_to_drm(adev)); 1227 1228 sz = ARRAY_SIZE(amdgpu_underscan_enum_list); 1229 adev->mode_info.underscan_property = 1230 drm_property_create_enum(adev_to_drm(adev), 0, 1231 "underscan", 1232 amdgpu_underscan_enum_list, sz); 1233 1234 adev->mode_info.underscan_hborder_property = 1235 drm_property_create_range(adev_to_drm(adev), 0, 1236 "underscan hborder", 0, 128); 1237 if (!adev->mode_info.underscan_hborder_property) 1238 return -ENOMEM; 1239 1240 adev->mode_info.underscan_vborder_property = 1241 drm_property_create_range(adev_to_drm(adev), 0, 1242 "underscan vborder", 0, 128); 1243 if (!adev->mode_info.underscan_vborder_property) 1244 return -ENOMEM; 1245 1246 sz = ARRAY_SIZE(amdgpu_audio_enum_list); 1247 adev->mode_info.audio_property = 1248 drm_property_create_enum(adev_to_drm(adev), 0, 1249 "audio", 1250 amdgpu_audio_enum_list, sz); 1251 1252 sz = ARRAY_SIZE(amdgpu_dither_enum_list); 1253 adev->mode_info.dither_property = 1254 drm_property_create_enum(adev_to_drm(adev), 0, 1255 "dither", 1256 amdgpu_dither_enum_list, sz); 1257 1258 if (amdgpu_device_has_dc_support(adev)) { 1259 adev->mode_info.abm_level_property = 1260 drm_property_create_range(adev_to_drm(adev), 0, 1261 "abm level", 0, 4); 1262 if (!adev->mode_info.abm_level_property) 1263 return -ENOMEM; 1264 } 1265 1266 return 0; 1267 } 1268 1269 void amdgpu_display_update_priority(struct amdgpu_device *adev) 1270 { 1271 /* adjustment options for the display watermarks */ 1272 if ((amdgpu_disp_priority == 0) || (amdgpu_disp_priority > 2)) 1273 adev->mode_info.disp_priority = 0; 1274 else 1275 adev->mode_info.disp_priority = amdgpu_disp_priority; 1276 1277 } 1278 1279 static bool amdgpu_display_is_hdtv_mode(const struct drm_display_mode *mode) 1280 { 1281 /* try and guess if this is a tv or a monitor */ 1282 if ((mode->vdisplay == 480 && mode->hdisplay == 720) || /* 480p */ 1283 (mode->vdisplay == 576) || /* 576p */ 1284 (mode->vdisplay == 720) || /* 720p */ 1285 (mode->vdisplay == 1080)) /* 1080p */ 1286 return true; 1287 else 1288 return false; 1289 } 1290 1291 bool amdgpu_display_crtc_scaling_mode_fixup(struct drm_crtc *crtc, 1292 const struct drm_display_mode *mode, 1293 struct drm_display_mode *adjusted_mode) 1294 { 1295 struct drm_device *dev = crtc->dev; 1296 struct drm_encoder *encoder; 1297 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1298 struct amdgpu_encoder *amdgpu_encoder; 1299 struct drm_connector *connector; 1300 u32 src_v = 1, dst_v = 1; 1301 u32 src_h = 1, dst_h = 1; 1302 1303 amdgpu_crtc->h_border = 0; 1304 amdgpu_crtc->v_border = 0; 1305 1306 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 1307 if (encoder->crtc != crtc) 1308 continue; 1309 amdgpu_encoder = to_amdgpu_encoder(encoder); 1310 connector = amdgpu_get_connector_for_encoder(encoder); 1311 1312 /* set scaling */ 1313 if (amdgpu_encoder->rmx_type == RMX_OFF) 1314 amdgpu_crtc->rmx_type = RMX_OFF; 1315 else if (mode->hdisplay < amdgpu_encoder->native_mode.hdisplay || 1316 mode->vdisplay < amdgpu_encoder->native_mode.vdisplay) 1317 amdgpu_crtc->rmx_type = amdgpu_encoder->rmx_type; 1318 else 1319 amdgpu_crtc->rmx_type = RMX_OFF; 1320 /* copy native mode */ 1321 memcpy(&amdgpu_crtc->native_mode, 1322 &amdgpu_encoder->native_mode, 1323 sizeof(struct drm_display_mode)); 1324 src_v = crtc->mode.vdisplay; 1325 dst_v = amdgpu_crtc->native_mode.vdisplay; 1326 src_h = crtc->mode.hdisplay; 1327 dst_h = amdgpu_crtc->native_mode.hdisplay; 1328 1329 /* fix up for overscan on hdmi */ 1330 if ((!(mode->flags & DRM_MODE_FLAG_INTERLACE)) && 1331 ((amdgpu_encoder->underscan_type == UNDERSCAN_ON) || 1332 ((amdgpu_encoder->underscan_type == UNDERSCAN_AUTO) && 1333 drm_detect_hdmi_monitor(amdgpu_connector_edid(connector)) && 1334 amdgpu_display_is_hdtv_mode(mode)))) { 1335 if (amdgpu_encoder->underscan_hborder != 0) 1336 amdgpu_crtc->h_border = amdgpu_encoder->underscan_hborder; 1337 else 1338 amdgpu_crtc->h_border = (mode->hdisplay >> 5) + 16; 1339 if (amdgpu_encoder->underscan_vborder != 0) 1340 amdgpu_crtc->v_border = amdgpu_encoder->underscan_vborder; 1341 else 1342 amdgpu_crtc->v_border = (mode->vdisplay >> 5) + 16; 1343 amdgpu_crtc->rmx_type = RMX_FULL; 1344 src_v = crtc->mode.vdisplay; 1345 dst_v = crtc->mode.vdisplay - (amdgpu_crtc->v_border * 2); 1346 src_h = crtc->mode.hdisplay; 1347 dst_h = crtc->mode.hdisplay - (amdgpu_crtc->h_border * 2); 1348 } 1349 } 1350 if (amdgpu_crtc->rmx_type != RMX_OFF) { 1351 fixed20_12 a, b; 1352 a.full = dfixed_const(src_v); 1353 b.full = dfixed_const(dst_v); 1354 amdgpu_crtc->vsc.full = dfixed_div(a, b); 1355 a.full = dfixed_const(src_h); 1356 b.full = dfixed_const(dst_h); 1357 amdgpu_crtc->hsc.full = dfixed_div(a, b); 1358 } else { 1359 amdgpu_crtc->vsc.full = dfixed_const(1); 1360 amdgpu_crtc->hsc.full = dfixed_const(1); 1361 } 1362 return true; 1363 } 1364 1365 /* 1366 * Retrieve current video scanout position of crtc on a given gpu, and 1367 * an optional accurate timestamp of when query happened. 1368 * 1369 * \param dev Device to query. 1370 * \param pipe Crtc to query. 1371 * \param flags Flags from caller (DRM_CALLED_FROM_VBLIRQ or 0). 1372 * For driver internal use only also supports these flags: 1373 * 1374 * USE_REAL_VBLANKSTART to use the real start of vblank instead 1375 * of a fudged earlier start of vblank. 1376 * 1377 * GET_DISTANCE_TO_VBLANKSTART to return distance to the 1378 * fudged earlier start of vblank in *vpos and the distance 1379 * to true start of vblank in *hpos. 1380 * 1381 * \param *vpos Location where vertical scanout position should be stored. 1382 * \param *hpos Location where horizontal scanout position should go. 1383 * \param *stime Target location for timestamp taken immediately before 1384 * scanout position query. Can be NULL to skip timestamp. 1385 * \param *etime Target location for timestamp taken immediately after 1386 * scanout position query. Can be NULL to skip timestamp. 1387 * 1388 * Returns vpos as a positive number while in active scanout area. 1389 * Returns vpos as a negative number inside vblank, counting the number 1390 * of scanlines to go until end of vblank, e.g., -1 means "one scanline 1391 * until start of active scanout / end of vblank." 1392 * 1393 * \return Flags, or'ed together as follows: 1394 * 1395 * DRM_SCANOUTPOS_VALID = Query successful. 1396 * DRM_SCANOUTPOS_INVBL = Inside vblank. 1397 * DRM_SCANOUTPOS_ACCURATE = Returned position is accurate. A lack of 1398 * this flag means that returned position may be offset by a constant but 1399 * unknown small number of scanlines wrt. real scanout position. 1400 * 1401 */ 1402 int amdgpu_display_get_crtc_scanoutpos(struct drm_device *dev, 1403 unsigned int pipe, unsigned int flags, int *vpos, 1404 int *hpos, ktime_t *stime, ktime_t *etime, 1405 const struct drm_display_mode *mode) 1406 { 1407 u32 vbl = 0, position = 0; 1408 int vbl_start, vbl_end, vtotal, ret = 0; 1409 bool in_vbl = true; 1410 1411 struct amdgpu_device *adev = drm_to_adev(dev); 1412 1413 /* preempt_disable_rt() should go right here in PREEMPT_RT patchset. */ 1414 1415 /* Get optional system timestamp before query. */ 1416 if (stime) 1417 *stime = ktime_get(); 1418 1419 if (amdgpu_display_page_flip_get_scanoutpos(adev, pipe, &vbl, &position) == 0) 1420 ret |= DRM_SCANOUTPOS_VALID; 1421 1422 /* Get optional system timestamp after query. */ 1423 if (etime) 1424 *etime = ktime_get(); 1425 1426 /* preempt_enable_rt() should go right here in PREEMPT_RT patchset. */ 1427 1428 /* Decode into vertical and horizontal scanout position. */ 1429 *vpos = position & 0x1fff; 1430 *hpos = (position >> 16) & 0x1fff; 1431 1432 /* Valid vblank area boundaries from gpu retrieved? */ 1433 if (vbl > 0) { 1434 /* Yes: Decode. */ 1435 ret |= DRM_SCANOUTPOS_ACCURATE; 1436 vbl_start = vbl & 0x1fff; 1437 vbl_end = (vbl >> 16) & 0x1fff; 1438 } 1439 else { 1440 /* No: Fake something reasonable which gives at least ok results. */ 1441 vbl_start = mode->crtc_vdisplay; 1442 vbl_end = 0; 1443 } 1444 1445 /* Called from driver internal vblank counter query code? */ 1446 if (flags & GET_DISTANCE_TO_VBLANKSTART) { 1447 /* Caller wants distance from real vbl_start in *hpos */ 1448 *hpos = *vpos - vbl_start; 1449 } 1450 1451 /* Fudge vblank to start a few scanlines earlier to handle the 1452 * problem that vblank irqs fire a few scanlines before start 1453 * of vblank. Some driver internal callers need the true vblank 1454 * start to be used and signal this via the USE_REAL_VBLANKSTART flag. 1455 * 1456 * The cause of the "early" vblank irq is that the irq is triggered 1457 * by the line buffer logic when the line buffer read position enters 1458 * the vblank, whereas our crtc scanout position naturally lags the 1459 * line buffer read position. 1460 */ 1461 if (!(flags & USE_REAL_VBLANKSTART)) 1462 vbl_start -= adev->mode_info.crtcs[pipe]->lb_vblank_lead_lines; 1463 1464 /* Test scanout position against vblank region. */ 1465 if ((*vpos < vbl_start) && (*vpos >= vbl_end)) 1466 in_vbl = false; 1467 1468 /* In vblank? */ 1469 if (in_vbl) 1470 ret |= DRM_SCANOUTPOS_IN_VBLANK; 1471 1472 /* Called from driver internal vblank counter query code? */ 1473 if (flags & GET_DISTANCE_TO_VBLANKSTART) { 1474 /* Caller wants distance from fudged earlier vbl_start */ 1475 *vpos -= vbl_start; 1476 return ret; 1477 } 1478 1479 /* Check if inside vblank area and apply corrective offsets: 1480 * vpos will then be >=0 in video scanout area, but negative 1481 * within vblank area, counting down the number of lines until 1482 * start of scanout. 1483 */ 1484 1485 /* Inside "upper part" of vblank area? Apply corrective offset if so: */ 1486 if (in_vbl && (*vpos >= vbl_start)) { 1487 vtotal = mode->crtc_vtotal; 1488 1489 /* With variable refresh rate displays the vpos can exceed 1490 * the vtotal value. Clamp to 0 to return -vbl_end instead 1491 * of guessing the remaining number of lines until scanout. 1492 */ 1493 *vpos = (*vpos < vtotal) ? (*vpos - vtotal) : 0; 1494 } 1495 1496 /* Correct for shifted end of vbl at vbl_end. */ 1497 *vpos = *vpos - vbl_end; 1498 1499 return ret; 1500 } 1501 1502 int amdgpu_display_crtc_idx_to_irq_type(struct amdgpu_device *adev, int crtc) 1503 { 1504 if (crtc < 0 || crtc >= adev->mode_info.num_crtc) 1505 return AMDGPU_CRTC_IRQ_NONE; 1506 1507 switch (crtc) { 1508 case 0: 1509 return AMDGPU_CRTC_IRQ_VBLANK1; 1510 case 1: 1511 return AMDGPU_CRTC_IRQ_VBLANK2; 1512 case 2: 1513 return AMDGPU_CRTC_IRQ_VBLANK3; 1514 case 3: 1515 return AMDGPU_CRTC_IRQ_VBLANK4; 1516 case 4: 1517 return AMDGPU_CRTC_IRQ_VBLANK5; 1518 case 5: 1519 return AMDGPU_CRTC_IRQ_VBLANK6; 1520 default: 1521 return AMDGPU_CRTC_IRQ_NONE; 1522 } 1523 } 1524 1525 bool amdgpu_crtc_get_scanout_position(struct drm_crtc *crtc, 1526 bool in_vblank_irq, int *vpos, 1527 int *hpos, ktime_t *stime, ktime_t *etime, 1528 const struct drm_display_mode *mode) 1529 { 1530 struct drm_device *dev = crtc->dev; 1531 unsigned int pipe = crtc->index; 1532 1533 return amdgpu_display_get_crtc_scanoutpos(dev, pipe, 0, vpos, hpos, 1534 stime, etime, mode); 1535 } 1536 1537 int amdgpu_display_suspend_helper(struct amdgpu_device *adev) 1538 { 1539 struct drm_device *dev = adev_to_drm(adev); 1540 struct drm_crtc *crtc; 1541 struct drm_connector *connector; 1542 struct drm_connector_list_iter iter; 1543 int r; 1544 1545 /* turn off display hw */ 1546 drm_modeset_lock_all(dev); 1547 drm_connector_list_iter_begin(dev, &iter); 1548 drm_for_each_connector_iter(connector, &iter) 1549 drm_helper_connector_dpms(connector, 1550 DRM_MODE_DPMS_OFF); 1551 drm_connector_list_iter_end(&iter); 1552 drm_modeset_unlock_all(dev); 1553 /* unpin the front buffers and cursors */ 1554 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 1555 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1556 struct drm_framebuffer *fb = crtc->primary->fb; 1557 struct amdgpu_bo *robj; 1558 1559 if (amdgpu_crtc->cursor_bo && !adev->enable_virtual_display) { 1560 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); 1561 r = amdgpu_bo_reserve(aobj, true); 1562 if (r == 0) { 1563 amdgpu_bo_unpin(aobj); 1564 amdgpu_bo_unreserve(aobj); 1565 } 1566 } 1567 1568 if (fb == NULL || fb->obj[0] == NULL) { 1569 continue; 1570 } 1571 robj = gem_to_amdgpu_bo(fb->obj[0]); 1572 /* don't unpin kernel fb objects */ 1573 if (!amdgpu_fbdev_robj_is_fb(adev, robj)) { 1574 r = amdgpu_bo_reserve(robj, true); 1575 if (r == 0) { 1576 amdgpu_bo_unpin(robj); 1577 amdgpu_bo_unreserve(robj); 1578 } 1579 } 1580 } 1581 return 0; 1582 } 1583 1584 int amdgpu_display_resume_helper(struct amdgpu_device *adev) 1585 { 1586 struct drm_device *dev = adev_to_drm(adev); 1587 struct drm_connector *connector; 1588 struct drm_connector_list_iter iter; 1589 struct drm_crtc *crtc; 1590 int r; 1591 1592 /* pin cursors */ 1593 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 1594 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1595 1596 if (amdgpu_crtc->cursor_bo && !adev->enable_virtual_display) { 1597 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); 1598 r = amdgpu_bo_reserve(aobj, true); 1599 if (r == 0) { 1600 r = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM); 1601 if (r != 0) 1602 dev_err(adev->dev, "Failed to pin cursor BO (%d)\n", r); 1603 amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj); 1604 amdgpu_bo_unreserve(aobj); 1605 } 1606 } 1607 } 1608 1609 drm_helper_resume_force_mode(dev); 1610 1611 /* turn on display hw */ 1612 drm_modeset_lock_all(dev); 1613 1614 drm_connector_list_iter_begin(dev, &iter); 1615 drm_for_each_connector_iter(connector, &iter) 1616 drm_helper_connector_dpms(connector, 1617 DRM_MODE_DPMS_ON); 1618 drm_connector_list_iter_end(&iter); 1619 1620 drm_modeset_unlock_all(dev); 1621 1622 return 0; 1623 } 1624 1625