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 case CHIP_YELLOW_CARP: 526 domain |= AMDGPU_GEM_DOMAIN_GTT; 527 break; 528 529 default: 530 break; 531 } 532 } 533 #endif 534 535 return domain; 536 } 537 538 static const struct drm_format_info dcc_formats[] = { 539 { .format = DRM_FORMAT_XRGB8888, .depth = 24, .num_planes = 2, 540 .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, 541 { .format = DRM_FORMAT_XBGR8888, .depth = 24, .num_planes = 2, 542 .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, 543 { .format = DRM_FORMAT_ARGB8888, .depth = 32, .num_planes = 2, 544 .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, 545 .has_alpha = true, }, 546 { .format = DRM_FORMAT_ABGR8888, .depth = 32, .num_planes = 2, 547 .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, 548 .has_alpha = true, }, 549 { .format = DRM_FORMAT_BGRA8888, .depth = 32, .num_planes = 2, 550 .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, 551 .has_alpha = true, }, 552 { .format = DRM_FORMAT_XRGB2101010, .depth = 30, .num_planes = 2, 553 .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, 554 { .format = DRM_FORMAT_XBGR2101010, .depth = 30, .num_planes = 2, 555 .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, 556 { .format = DRM_FORMAT_ARGB2101010, .depth = 30, .num_planes = 2, 557 .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, 558 .has_alpha = true, }, 559 { .format = DRM_FORMAT_ABGR2101010, .depth = 30, .num_planes = 2, 560 .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, 561 .has_alpha = true, }, 562 { .format = DRM_FORMAT_RGB565, .depth = 16, .num_planes = 2, 563 .cpp = { 2, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, 564 }; 565 566 static const struct drm_format_info dcc_retile_formats[] = { 567 { .format = DRM_FORMAT_XRGB8888, .depth = 24, .num_planes = 3, 568 .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, 569 { .format = DRM_FORMAT_XBGR8888, .depth = 24, .num_planes = 3, 570 .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, 571 { .format = DRM_FORMAT_ARGB8888, .depth = 32, .num_planes = 3, 572 .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, 573 .has_alpha = true, }, 574 { .format = DRM_FORMAT_ABGR8888, .depth = 32, .num_planes = 3, 575 .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, 576 .has_alpha = true, }, 577 { .format = DRM_FORMAT_BGRA8888, .depth = 32, .num_planes = 3, 578 .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, 579 .has_alpha = true, }, 580 { .format = DRM_FORMAT_XRGB2101010, .depth = 30, .num_planes = 3, 581 .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, 582 { .format = DRM_FORMAT_XBGR2101010, .depth = 30, .num_planes = 3, 583 .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, 584 { .format = DRM_FORMAT_ARGB2101010, .depth = 30, .num_planes = 3, 585 .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, 586 .has_alpha = true, }, 587 { .format = DRM_FORMAT_ABGR2101010, .depth = 30, .num_planes = 3, 588 .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, 589 .has_alpha = true, }, 590 { .format = DRM_FORMAT_RGB565, .depth = 16, .num_planes = 3, 591 .cpp = { 2, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, 592 }; 593 594 static const struct drm_format_info * 595 lookup_format_info(const struct drm_format_info formats[], 596 int num_formats, u32 format) 597 { 598 int i; 599 600 for (i = 0; i < num_formats; i++) { 601 if (formats[i].format == format) 602 return &formats[i]; 603 } 604 605 return NULL; 606 } 607 608 const struct drm_format_info * 609 amdgpu_lookup_format_info(u32 format, uint64_t modifier) 610 { 611 if (!IS_AMD_FMT_MOD(modifier)) 612 return NULL; 613 614 if (AMD_FMT_MOD_GET(DCC_RETILE, modifier)) 615 return lookup_format_info(dcc_retile_formats, 616 ARRAY_SIZE(dcc_retile_formats), 617 format); 618 619 if (AMD_FMT_MOD_GET(DCC, modifier)) 620 return lookup_format_info(dcc_formats, ARRAY_SIZE(dcc_formats), 621 format); 622 623 /* returning NULL will cause the default format structs to be used. */ 624 return NULL; 625 } 626 627 628 /* 629 * Tries to extract the renderable DCC offset from the opaque metadata attached 630 * to the buffer. 631 */ 632 static int 633 extract_render_dcc_offset(struct amdgpu_device *adev, 634 struct drm_gem_object *obj, 635 uint64_t *offset) 636 { 637 struct amdgpu_bo *rbo; 638 int r = 0; 639 uint32_t metadata[10]; /* Something that fits a descriptor + header. */ 640 uint32_t size; 641 642 rbo = gem_to_amdgpu_bo(obj); 643 r = amdgpu_bo_reserve(rbo, false); 644 645 if (unlikely(r)) { 646 /* Don't show error message when returning -ERESTARTSYS */ 647 if (r != -ERESTARTSYS) 648 DRM_ERROR("Unable to reserve buffer: %d\n", r); 649 return r; 650 } 651 652 r = amdgpu_bo_get_metadata(rbo, metadata, sizeof(metadata), &size, NULL); 653 amdgpu_bo_unreserve(rbo); 654 655 if (r) 656 return r; 657 658 /* 659 * The first word is the metadata version, and we need space for at least 660 * the version + pci vendor+device id + 8 words for a descriptor. 661 */ 662 if (size < 40 || metadata[0] != 1) 663 return -EINVAL; 664 665 if (adev->family >= AMDGPU_FAMILY_NV) { 666 /* resource word 6/7 META_DATA_ADDRESS{_LO} */ 667 *offset = ((u64)metadata[9] << 16u) | 668 ((metadata[8] & 0xFF000000u) >> 16); 669 } else { 670 /* resource word 5/7 META_DATA_ADDRESS */ 671 *offset = ((u64)metadata[9] << 8u) | 672 ((u64)(metadata[7] & 0x1FE0000u) << 23); 673 } 674 675 return 0; 676 } 677 678 static int convert_tiling_flags_to_modifier(struct amdgpu_framebuffer *afb) 679 { 680 struct amdgpu_device *adev = drm_to_adev(afb->base.dev); 681 uint64_t modifier = 0; 682 683 if (!afb->tiling_flags || !AMDGPU_TILING_GET(afb->tiling_flags, SWIZZLE_MODE)) { 684 modifier = DRM_FORMAT_MOD_LINEAR; 685 } else { 686 int swizzle = AMDGPU_TILING_GET(afb->tiling_flags, SWIZZLE_MODE); 687 bool has_xor = swizzle >= 16; 688 int block_size_bits; 689 int version; 690 int pipe_xor_bits = 0; 691 int bank_xor_bits = 0; 692 int packers = 0; 693 int rb = 0; 694 int pipes = ilog2(adev->gfx.config.gb_addr_config_fields.num_pipes); 695 uint32_t dcc_offset = AMDGPU_TILING_GET(afb->tiling_flags, DCC_OFFSET_256B); 696 697 switch (swizzle >> 2) { 698 case 0: /* 256B */ 699 block_size_bits = 8; 700 break; 701 case 1: /* 4KiB */ 702 case 5: /* 4KiB _X */ 703 block_size_bits = 12; 704 break; 705 case 2: /* 64KiB */ 706 case 4: /* 64 KiB _T */ 707 case 6: /* 64 KiB _X */ 708 block_size_bits = 16; 709 break; 710 default: 711 /* RESERVED or VAR */ 712 return -EINVAL; 713 } 714 715 if (adev->asic_type >= CHIP_SIENNA_CICHLID) 716 version = AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS; 717 else if (adev->family == AMDGPU_FAMILY_NV) 718 version = AMD_FMT_MOD_TILE_VER_GFX10; 719 else 720 version = AMD_FMT_MOD_TILE_VER_GFX9; 721 722 switch (swizzle & 3) { 723 case 0: /* Z microtiling */ 724 return -EINVAL; 725 case 1: /* S microtiling */ 726 if (!has_xor) 727 version = AMD_FMT_MOD_TILE_VER_GFX9; 728 break; 729 case 2: 730 if (!has_xor && afb->base.format->cpp[0] != 4) 731 version = AMD_FMT_MOD_TILE_VER_GFX9; 732 break; 733 case 3: 734 break; 735 } 736 737 if (has_xor) { 738 switch (version) { 739 case AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS: 740 pipe_xor_bits = min(block_size_bits - 8, pipes); 741 packers = min(block_size_bits - 8 - pipe_xor_bits, 742 ilog2(adev->gfx.config.gb_addr_config_fields.num_pkrs)); 743 break; 744 case AMD_FMT_MOD_TILE_VER_GFX10: 745 pipe_xor_bits = min(block_size_bits - 8, pipes); 746 break; 747 case AMD_FMT_MOD_TILE_VER_GFX9: 748 rb = ilog2(adev->gfx.config.gb_addr_config_fields.num_se) + 749 ilog2(adev->gfx.config.gb_addr_config_fields.num_rb_per_se); 750 pipe_xor_bits = min(block_size_bits - 8, pipes + 751 ilog2(adev->gfx.config.gb_addr_config_fields.num_se)); 752 bank_xor_bits = min(block_size_bits - 8 - pipe_xor_bits, 753 ilog2(adev->gfx.config.gb_addr_config_fields.num_banks)); 754 break; 755 } 756 } 757 758 modifier = AMD_FMT_MOD | 759 AMD_FMT_MOD_SET(TILE, AMDGPU_TILING_GET(afb->tiling_flags, SWIZZLE_MODE)) | 760 AMD_FMT_MOD_SET(TILE_VERSION, version) | 761 AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) | 762 AMD_FMT_MOD_SET(BANK_XOR_BITS, bank_xor_bits) | 763 AMD_FMT_MOD_SET(PACKERS, packers); 764 765 if (dcc_offset != 0) { 766 bool dcc_i64b = AMDGPU_TILING_GET(afb->tiling_flags, DCC_INDEPENDENT_64B) != 0; 767 bool dcc_i128b = version >= AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS; 768 const struct drm_format_info *format_info; 769 u64 render_dcc_offset; 770 771 /* Enable constant encode on RAVEN2 and later. */ 772 bool dcc_constant_encode = adev->asic_type > CHIP_RAVEN || 773 (adev->asic_type == CHIP_RAVEN && 774 adev->external_rev_id >= 0x81); 775 776 int max_cblock_size = dcc_i64b ? AMD_FMT_MOD_DCC_BLOCK_64B : 777 dcc_i128b ? AMD_FMT_MOD_DCC_BLOCK_128B : 778 AMD_FMT_MOD_DCC_BLOCK_256B; 779 780 modifier |= AMD_FMT_MOD_SET(DCC, 1) | 781 AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, dcc_constant_encode) | 782 AMD_FMT_MOD_SET(DCC_INDEPENDENT_64B, dcc_i64b) | 783 AMD_FMT_MOD_SET(DCC_INDEPENDENT_128B, dcc_i128b) | 784 AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, max_cblock_size); 785 786 afb->base.offsets[1] = dcc_offset * 256 + afb->base.offsets[0]; 787 afb->base.pitches[1] = 788 AMDGPU_TILING_GET(afb->tiling_flags, DCC_PITCH_MAX) + 1; 789 790 /* 791 * If the userspace driver uses retiling the tiling flags do not contain 792 * info on the renderable DCC buffer. Luckily the opaque metadata contains 793 * the info so we can try to extract it. The kernel does not use this info 794 * but we should convert it to a modifier plane for getfb2, so the 795 * userspace driver that gets it doesn't have to juggle around another DCC 796 * plane internally. 797 */ 798 if (extract_render_dcc_offset(adev, afb->base.obj[0], 799 &render_dcc_offset) == 0 && 800 render_dcc_offset != 0 && 801 render_dcc_offset != afb->base.offsets[1] && 802 render_dcc_offset < UINT_MAX) { 803 uint32_t dcc_block_bits; /* of base surface data */ 804 805 modifier |= AMD_FMT_MOD_SET(DCC_RETILE, 1); 806 afb->base.offsets[2] = render_dcc_offset; 807 808 if (adev->family >= AMDGPU_FAMILY_NV) { 809 int extra_pipe = 0; 810 811 if (adev->asic_type >= CHIP_SIENNA_CICHLID && 812 pipes == packers && pipes > 1) 813 extra_pipe = 1; 814 815 dcc_block_bits = max(20, 16 + pipes + extra_pipe); 816 } else { 817 modifier |= AMD_FMT_MOD_SET(RB, rb) | 818 AMD_FMT_MOD_SET(PIPE, pipes); 819 dcc_block_bits = max(20, 18 + rb); 820 } 821 822 dcc_block_bits -= ilog2(afb->base.format->cpp[0]); 823 afb->base.pitches[2] = ALIGN(afb->base.width, 824 1u << ((dcc_block_bits + 1) / 2)); 825 } 826 format_info = amdgpu_lookup_format_info(afb->base.format->format, 827 modifier); 828 if (!format_info) 829 return -EINVAL; 830 831 afb->base.format = format_info; 832 } 833 } 834 835 afb->base.modifier = modifier; 836 afb->base.flags |= DRM_MODE_FB_MODIFIERS; 837 return 0; 838 } 839 840 /* Mirrors the is_displayable check in radeonsi's gfx6_compute_surface */ 841 static int check_tiling_flags_gfx6(struct amdgpu_framebuffer *afb) 842 { 843 u64 micro_tile_mode; 844 845 /* Zero swizzle mode means linear */ 846 if (AMDGPU_TILING_GET(afb->tiling_flags, SWIZZLE_MODE) == 0) 847 return 0; 848 849 micro_tile_mode = AMDGPU_TILING_GET(afb->tiling_flags, MICRO_TILE_MODE); 850 switch (micro_tile_mode) { 851 case 0: /* DISPLAY */ 852 case 3: /* RENDER */ 853 return 0; 854 default: 855 drm_dbg_kms(afb->base.dev, 856 "Micro tile mode %llu not supported for scanout\n", 857 micro_tile_mode); 858 return -EINVAL; 859 } 860 } 861 862 static void get_block_dimensions(unsigned int block_log2, unsigned int cpp, 863 unsigned int *width, unsigned int *height) 864 { 865 unsigned int cpp_log2 = ilog2(cpp); 866 unsigned int pixel_log2 = block_log2 - cpp_log2; 867 unsigned int width_log2 = (pixel_log2 + 1) / 2; 868 unsigned int height_log2 = pixel_log2 - width_log2; 869 870 *width = 1 << width_log2; 871 *height = 1 << height_log2; 872 } 873 874 static unsigned int get_dcc_block_size(uint64_t modifier, bool rb_aligned, 875 bool pipe_aligned) 876 { 877 unsigned int ver = AMD_FMT_MOD_GET(TILE_VERSION, modifier); 878 879 switch (ver) { 880 case AMD_FMT_MOD_TILE_VER_GFX9: { 881 /* 882 * TODO: for pipe aligned we may need to check the alignment of the 883 * total size of the surface, which may need to be bigger than the 884 * natural alignment due to some HW workarounds 885 */ 886 return max(10 + (rb_aligned ? (int)AMD_FMT_MOD_GET(RB, modifier) : 0), 12); 887 } 888 case AMD_FMT_MOD_TILE_VER_GFX10: 889 case AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS: { 890 int pipes_log2 = AMD_FMT_MOD_GET(PIPE_XOR_BITS, modifier); 891 892 if (ver == AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS && pipes_log2 > 1 && 893 AMD_FMT_MOD_GET(PACKERS, modifier) == pipes_log2) 894 ++pipes_log2; 895 896 return max(8 + (pipe_aligned ? pipes_log2 : 0), 12); 897 } 898 default: 899 return 0; 900 } 901 } 902 903 static int amdgpu_display_verify_plane(struct amdgpu_framebuffer *rfb, int plane, 904 const struct drm_format_info *format, 905 unsigned int block_width, unsigned int block_height, 906 unsigned int block_size_log2) 907 { 908 unsigned int width = rfb->base.width / 909 ((plane && plane < format->num_planes) ? format->hsub : 1); 910 unsigned int height = rfb->base.height / 911 ((plane && plane < format->num_planes) ? format->vsub : 1); 912 unsigned int cpp = plane < format->num_planes ? format->cpp[plane] : 1; 913 unsigned int block_pitch = block_width * cpp; 914 unsigned int min_pitch = ALIGN(width * cpp, block_pitch); 915 unsigned int block_size = 1 << block_size_log2; 916 uint64_t size; 917 918 if (rfb->base.pitches[plane] % block_pitch) { 919 drm_dbg_kms(rfb->base.dev, 920 "pitch %d for plane %d is not a multiple of block pitch %d\n", 921 rfb->base.pitches[plane], plane, block_pitch); 922 return -EINVAL; 923 } 924 if (rfb->base.pitches[plane] < min_pitch) { 925 drm_dbg_kms(rfb->base.dev, 926 "pitch %d for plane %d is less than minimum pitch %d\n", 927 rfb->base.pitches[plane], plane, min_pitch); 928 return -EINVAL; 929 } 930 931 /* Force at least natural alignment. */ 932 if (rfb->base.offsets[plane] % block_size) { 933 drm_dbg_kms(rfb->base.dev, 934 "offset 0x%x for plane %d is not a multiple of block pitch 0x%x\n", 935 rfb->base.offsets[plane], plane, block_size); 936 return -EINVAL; 937 } 938 939 size = rfb->base.offsets[plane] + 940 (uint64_t)rfb->base.pitches[plane] / block_pitch * 941 block_size * DIV_ROUND_UP(height, block_height); 942 943 if (rfb->base.obj[0]->size < size) { 944 drm_dbg_kms(rfb->base.dev, 945 "BO size 0x%zx is less than 0x%llx required for plane %d\n", 946 rfb->base.obj[0]->size, size, plane); 947 return -EINVAL; 948 } 949 950 return 0; 951 } 952 953 954 static int amdgpu_display_verify_sizes(struct amdgpu_framebuffer *rfb) 955 { 956 const struct drm_format_info *format_info = drm_format_info(rfb->base.format->format); 957 uint64_t modifier = rfb->base.modifier; 958 int ret; 959 unsigned int i, block_width, block_height, block_size_log2; 960 961 if (!rfb->base.dev->mode_config.allow_fb_modifiers) 962 return 0; 963 964 for (i = 0; i < format_info->num_planes; ++i) { 965 if (modifier == DRM_FORMAT_MOD_LINEAR) { 966 block_width = 256 / format_info->cpp[i]; 967 block_height = 1; 968 block_size_log2 = 8; 969 } else { 970 int swizzle = AMD_FMT_MOD_GET(TILE, modifier); 971 972 switch ((swizzle & ~3) + 1) { 973 case DC_SW_256B_S: 974 block_size_log2 = 8; 975 break; 976 case DC_SW_4KB_S: 977 case DC_SW_4KB_S_X: 978 block_size_log2 = 12; 979 break; 980 case DC_SW_64KB_S: 981 case DC_SW_64KB_S_T: 982 case DC_SW_64KB_S_X: 983 block_size_log2 = 16; 984 break; 985 default: 986 drm_dbg_kms(rfb->base.dev, 987 "Swizzle mode with unknown block size: %d\n", swizzle); 988 return -EINVAL; 989 } 990 991 get_block_dimensions(block_size_log2, format_info->cpp[i], 992 &block_width, &block_height); 993 } 994 995 ret = amdgpu_display_verify_plane(rfb, i, format_info, 996 block_width, block_height, block_size_log2); 997 if (ret) 998 return ret; 999 } 1000 1001 if (AMD_FMT_MOD_GET(DCC, modifier)) { 1002 if (AMD_FMT_MOD_GET(DCC_RETILE, modifier)) { 1003 block_size_log2 = get_dcc_block_size(modifier, false, false); 1004 get_block_dimensions(block_size_log2 + 8, format_info->cpp[0], 1005 &block_width, &block_height); 1006 ret = amdgpu_display_verify_plane(rfb, i, format_info, 1007 block_width, block_height, 1008 block_size_log2); 1009 if (ret) 1010 return ret; 1011 1012 ++i; 1013 block_size_log2 = get_dcc_block_size(modifier, true, true); 1014 } else { 1015 bool pipe_aligned = AMD_FMT_MOD_GET(DCC_PIPE_ALIGN, modifier); 1016 1017 block_size_log2 = get_dcc_block_size(modifier, true, pipe_aligned); 1018 } 1019 get_block_dimensions(block_size_log2 + 8, format_info->cpp[0], 1020 &block_width, &block_height); 1021 ret = amdgpu_display_verify_plane(rfb, i, format_info, 1022 block_width, block_height, block_size_log2); 1023 if (ret) 1024 return ret; 1025 } 1026 1027 return 0; 1028 } 1029 1030 static int amdgpu_display_get_fb_info(const struct amdgpu_framebuffer *amdgpu_fb, 1031 uint64_t *tiling_flags, bool *tmz_surface) 1032 { 1033 struct amdgpu_bo *rbo; 1034 int r; 1035 1036 if (!amdgpu_fb) { 1037 *tiling_flags = 0; 1038 *tmz_surface = false; 1039 return 0; 1040 } 1041 1042 rbo = gem_to_amdgpu_bo(amdgpu_fb->base.obj[0]); 1043 r = amdgpu_bo_reserve(rbo, false); 1044 1045 if (unlikely(r)) { 1046 /* Don't show error message when returning -ERESTARTSYS */ 1047 if (r != -ERESTARTSYS) 1048 DRM_ERROR("Unable to reserve buffer: %d\n", r); 1049 return r; 1050 } 1051 1052 if (tiling_flags) 1053 amdgpu_bo_get_tiling_flags(rbo, tiling_flags); 1054 1055 if (tmz_surface) 1056 *tmz_surface = amdgpu_bo_encrypted(rbo); 1057 1058 amdgpu_bo_unreserve(rbo); 1059 1060 return r; 1061 } 1062 1063 int amdgpu_display_gem_fb_init(struct drm_device *dev, 1064 struct amdgpu_framebuffer *rfb, 1065 const struct drm_mode_fb_cmd2 *mode_cmd, 1066 struct drm_gem_object *obj) 1067 { 1068 int ret; 1069 1070 rfb->base.obj[0] = obj; 1071 drm_helper_mode_fill_fb_struct(dev, &rfb->base, mode_cmd); 1072 1073 ret = amdgpu_display_framebuffer_init(dev, rfb, mode_cmd, obj); 1074 if (ret) 1075 goto err; 1076 1077 ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs); 1078 if (ret) 1079 goto err; 1080 1081 return 0; 1082 err: 1083 drm_dbg_kms(dev, "Failed to init gem fb: %d\n", ret); 1084 rfb->base.obj[0] = NULL; 1085 return ret; 1086 } 1087 1088 int amdgpu_display_gem_fb_verify_and_init( 1089 struct drm_device *dev, struct amdgpu_framebuffer *rfb, 1090 struct drm_file *file_priv, const struct drm_mode_fb_cmd2 *mode_cmd, 1091 struct drm_gem_object *obj) 1092 { 1093 int ret; 1094 1095 rfb->base.obj[0] = obj; 1096 drm_helper_mode_fill_fb_struct(dev, &rfb->base, mode_cmd); 1097 /* Verify that the modifier is supported. */ 1098 if (!drm_any_plane_has_format(dev, mode_cmd->pixel_format, 1099 mode_cmd->modifier[0])) { 1100 drm_dbg_kms(dev, 1101 "unsupported pixel format %p4cc / modifier 0x%llx\n", 1102 &mode_cmd->pixel_format, mode_cmd->modifier[0]); 1103 1104 ret = -EINVAL; 1105 goto err; 1106 } 1107 1108 ret = amdgpu_display_framebuffer_init(dev, rfb, mode_cmd, obj); 1109 if (ret) 1110 goto err; 1111 1112 ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs); 1113 if (ret) 1114 goto err; 1115 1116 return 0; 1117 err: 1118 drm_dbg_kms(dev, "Failed to verify and init gem fb: %d\n", ret); 1119 rfb->base.obj[0] = NULL; 1120 return ret; 1121 } 1122 1123 int amdgpu_display_framebuffer_init(struct drm_device *dev, 1124 struct amdgpu_framebuffer *rfb, 1125 const struct drm_mode_fb_cmd2 *mode_cmd, 1126 struct drm_gem_object *obj) 1127 { 1128 struct amdgpu_device *adev = drm_to_adev(dev); 1129 int ret, i; 1130 1131 /* 1132 * This needs to happen before modifier conversion as that might change 1133 * the number of planes. 1134 */ 1135 for (i = 1; i < rfb->base.format->num_planes; ++i) { 1136 if (mode_cmd->handles[i] != mode_cmd->handles[0]) { 1137 drm_dbg_kms(dev, "Plane 0 and %d have different BOs: %u vs. %u\n", 1138 i, mode_cmd->handles[0], mode_cmd->handles[i]); 1139 ret = -EINVAL; 1140 return ret; 1141 } 1142 } 1143 1144 ret = amdgpu_display_get_fb_info(rfb, &rfb->tiling_flags, &rfb->tmz_surface); 1145 if (ret) 1146 return ret; 1147 1148 if (!dev->mode_config.allow_fb_modifiers) { 1149 drm_WARN_ONCE(dev, adev->family >= AMDGPU_FAMILY_AI, 1150 "GFX9+ requires FB check based on format modifier\n"); 1151 ret = check_tiling_flags_gfx6(rfb); 1152 if (ret) 1153 return ret; 1154 } 1155 1156 if (dev->mode_config.allow_fb_modifiers && 1157 !(rfb->base.flags & DRM_MODE_FB_MODIFIERS)) { 1158 ret = convert_tiling_flags_to_modifier(rfb); 1159 if (ret) { 1160 drm_dbg_kms(dev, "Failed to convert tiling flags 0x%llX to a modifier", 1161 rfb->tiling_flags); 1162 return ret; 1163 } 1164 } 1165 1166 ret = amdgpu_display_verify_sizes(rfb); 1167 if (ret) 1168 return ret; 1169 1170 for (i = 0; i < rfb->base.format->num_planes; ++i) { 1171 drm_gem_object_get(rfb->base.obj[0]); 1172 rfb->base.obj[i] = rfb->base.obj[0]; 1173 } 1174 1175 return 0; 1176 } 1177 1178 struct drm_framebuffer * 1179 amdgpu_display_user_framebuffer_create(struct drm_device *dev, 1180 struct drm_file *file_priv, 1181 const struct drm_mode_fb_cmd2 *mode_cmd) 1182 { 1183 struct amdgpu_framebuffer *amdgpu_fb; 1184 struct drm_gem_object *obj; 1185 struct amdgpu_bo *bo; 1186 uint32_t domains; 1187 int ret; 1188 1189 obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]); 1190 if (obj == NULL) { 1191 drm_dbg_kms(dev, "No GEM object associated to handle 0x%08X, " 1192 "can't create framebuffer\n", mode_cmd->handles[0]); 1193 return ERR_PTR(-ENOENT); 1194 } 1195 1196 /* Handle is imported dma-buf, so cannot be migrated to VRAM for scanout */ 1197 bo = gem_to_amdgpu_bo(obj); 1198 domains = amdgpu_display_supported_domains(drm_to_adev(dev), bo->flags); 1199 if (obj->import_attach && !(domains & AMDGPU_GEM_DOMAIN_GTT)) { 1200 drm_dbg_kms(dev, "Cannot create framebuffer from imported dma_buf\n"); 1201 drm_gem_object_put(obj); 1202 return ERR_PTR(-EINVAL); 1203 } 1204 1205 amdgpu_fb = kzalloc(sizeof(*amdgpu_fb), GFP_KERNEL); 1206 if (amdgpu_fb == NULL) { 1207 drm_gem_object_put(obj); 1208 return ERR_PTR(-ENOMEM); 1209 } 1210 1211 ret = amdgpu_display_gem_fb_verify_and_init(dev, amdgpu_fb, file_priv, 1212 mode_cmd, obj); 1213 if (ret) { 1214 kfree(amdgpu_fb); 1215 drm_gem_object_put(obj); 1216 return ERR_PTR(ret); 1217 } 1218 1219 drm_gem_object_put(obj); 1220 return &amdgpu_fb->base; 1221 } 1222 1223 const struct drm_mode_config_funcs amdgpu_mode_funcs = { 1224 .fb_create = amdgpu_display_user_framebuffer_create, 1225 .output_poll_changed = drm_fb_helper_output_poll_changed, 1226 }; 1227 1228 static const struct drm_prop_enum_list amdgpu_underscan_enum_list[] = 1229 { { UNDERSCAN_OFF, "off" }, 1230 { UNDERSCAN_ON, "on" }, 1231 { UNDERSCAN_AUTO, "auto" }, 1232 }; 1233 1234 static const struct drm_prop_enum_list amdgpu_audio_enum_list[] = 1235 { { AMDGPU_AUDIO_DISABLE, "off" }, 1236 { AMDGPU_AUDIO_ENABLE, "on" }, 1237 { AMDGPU_AUDIO_AUTO, "auto" }, 1238 }; 1239 1240 /* XXX support different dither options? spatial, temporal, both, etc. */ 1241 static const struct drm_prop_enum_list amdgpu_dither_enum_list[] = 1242 { { AMDGPU_FMT_DITHER_DISABLE, "off" }, 1243 { AMDGPU_FMT_DITHER_ENABLE, "on" }, 1244 }; 1245 1246 int amdgpu_display_modeset_create_props(struct amdgpu_device *adev) 1247 { 1248 int sz; 1249 1250 adev->mode_info.coherent_mode_property = 1251 drm_property_create_range(adev_to_drm(adev), 0, "coherent", 0, 1); 1252 if (!adev->mode_info.coherent_mode_property) 1253 return -ENOMEM; 1254 1255 adev->mode_info.load_detect_property = 1256 drm_property_create_range(adev_to_drm(adev), 0, "load detection", 0, 1); 1257 if (!adev->mode_info.load_detect_property) 1258 return -ENOMEM; 1259 1260 drm_mode_create_scaling_mode_property(adev_to_drm(adev)); 1261 1262 sz = ARRAY_SIZE(amdgpu_underscan_enum_list); 1263 adev->mode_info.underscan_property = 1264 drm_property_create_enum(adev_to_drm(adev), 0, 1265 "underscan", 1266 amdgpu_underscan_enum_list, sz); 1267 1268 adev->mode_info.underscan_hborder_property = 1269 drm_property_create_range(adev_to_drm(adev), 0, 1270 "underscan hborder", 0, 128); 1271 if (!adev->mode_info.underscan_hborder_property) 1272 return -ENOMEM; 1273 1274 adev->mode_info.underscan_vborder_property = 1275 drm_property_create_range(adev_to_drm(adev), 0, 1276 "underscan vborder", 0, 128); 1277 if (!adev->mode_info.underscan_vborder_property) 1278 return -ENOMEM; 1279 1280 sz = ARRAY_SIZE(amdgpu_audio_enum_list); 1281 adev->mode_info.audio_property = 1282 drm_property_create_enum(adev_to_drm(adev), 0, 1283 "audio", 1284 amdgpu_audio_enum_list, sz); 1285 1286 sz = ARRAY_SIZE(amdgpu_dither_enum_list); 1287 adev->mode_info.dither_property = 1288 drm_property_create_enum(adev_to_drm(adev), 0, 1289 "dither", 1290 amdgpu_dither_enum_list, sz); 1291 1292 if (amdgpu_device_has_dc_support(adev)) { 1293 adev->mode_info.abm_level_property = 1294 drm_property_create_range(adev_to_drm(adev), 0, 1295 "abm level", 0, 4); 1296 if (!adev->mode_info.abm_level_property) 1297 return -ENOMEM; 1298 } 1299 1300 return 0; 1301 } 1302 1303 void amdgpu_display_update_priority(struct amdgpu_device *adev) 1304 { 1305 /* adjustment options for the display watermarks */ 1306 if ((amdgpu_disp_priority == 0) || (amdgpu_disp_priority > 2)) 1307 adev->mode_info.disp_priority = 0; 1308 else 1309 adev->mode_info.disp_priority = amdgpu_disp_priority; 1310 1311 } 1312 1313 static bool amdgpu_display_is_hdtv_mode(const struct drm_display_mode *mode) 1314 { 1315 /* try and guess if this is a tv or a monitor */ 1316 if ((mode->vdisplay == 480 && mode->hdisplay == 720) || /* 480p */ 1317 (mode->vdisplay == 576) || /* 576p */ 1318 (mode->vdisplay == 720) || /* 720p */ 1319 (mode->vdisplay == 1080)) /* 1080p */ 1320 return true; 1321 else 1322 return false; 1323 } 1324 1325 bool amdgpu_display_crtc_scaling_mode_fixup(struct drm_crtc *crtc, 1326 const struct drm_display_mode *mode, 1327 struct drm_display_mode *adjusted_mode) 1328 { 1329 struct drm_device *dev = crtc->dev; 1330 struct drm_encoder *encoder; 1331 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1332 struct amdgpu_encoder *amdgpu_encoder; 1333 struct drm_connector *connector; 1334 u32 src_v = 1, dst_v = 1; 1335 u32 src_h = 1, dst_h = 1; 1336 1337 amdgpu_crtc->h_border = 0; 1338 amdgpu_crtc->v_border = 0; 1339 1340 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 1341 if (encoder->crtc != crtc) 1342 continue; 1343 amdgpu_encoder = to_amdgpu_encoder(encoder); 1344 connector = amdgpu_get_connector_for_encoder(encoder); 1345 1346 /* set scaling */ 1347 if (amdgpu_encoder->rmx_type == RMX_OFF) 1348 amdgpu_crtc->rmx_type = RMX_OFF; 1349 else if (mode->hdisplay < amdgpu_encoder->native_mode.hdisplay || 1350 mode->vdisplay < amdgpu_encoder->native_mode.vdisplay) 1351 amdgpu_crtc->rmx_type = amdgpu_encoder->rmx_type; 1352 else 1353 amdgpu_crtc->rmx_type = RMX_OFF; 1354 /* copy native mode */ 1355 memcpy(&amdgpu_crtc->native_mode, 1356 &amdgpu_encoder->native_mode, 1357 sizeof(struct drm_display_mode)); 1358 src_v = crtc->mode.vdisplay; 1359 dst_v = amdgpu_crtc->native_mode.vdisplay; 1360 src_h = crtc->mode.hdisplay; 1361 dst_h = amdgpu_crtc->native_mode.hdisplay; 1362 1363 /* fix up for overscan on hdmi */ 1364 if ((!(mode->flags & DRM_MODE_FLAG_INTERLACE)) && 1365 ((amdgpu_encoder->underscan_type == UNDERSCAN_ON) || 1366 ((amdgpu_encoder->underscan_type == UNDERSCAN_AUTO) && 1367 connector->display_info.is_hdmi && 1368 amdgpu_display_is_hdtv_mode(mode)))) { 1369 if (amdgpu_encoder->underscan_hborder != 0) 1370 amdgpu_crtc->h_border = amdgpu_encoder->underscan_hborder; 1371 else 1372 amdgpu_crtc->h_border = (mode->hdisplay >> 5) + 16; 1373 if (amdgpu_encoder->underscan_vborder != 0) 1374 amdgpu_crtc->v_border = amdgpu_encoder->underscan_vborder; 1375 else 1376 amdgpu_crtc->v_border = (mode->vdisplay >> 5) + 16; 1377 amdgpu_crtc->rmx_type = RMX_FULL; 1378 src_v = crtc->mode.vdisplay; 1379 dst_v = crtc->mode.vdisplay - (amdgpu_crtc->v_border * 2); 1380 src_h = crtc->mode.hdisplay; 1381 dst_h = crtc->mode.hdisplay - (amdgpu_crtc->h_border * 2); 1382 } 1383 } 1384 if (amdgpu_crtc->rmx_type != RMX_OFF) { 1385 fixed20_12 a, b; 1386 a.full = dfixed_const(src_v); 1387 b.full = dfixed_const(dst_v); 1388 amdgpu_crtc->vsc.full = dfixed_div(a, b); 1389 a.full = dfixed_const(src_h); 1390 b.full = dfixed_const(dst_h); 1391 amdgpu_crtc->hsc.full = dfixed_div(a, b); 1392 } else { 1393 amdgpu_crtc->vsc.full = dfixed_const(1); 1394 amdgpu_crtc->hsc.full = dfixed_const(1); 1395 } 1396 return true; 1397 } 1398 1399 /* 1400 * Retrieve current video scanout position of crtc on a given gpu, and 1401 * an optional accurate timestamp of when query happened. 1402 * 1403 * \param dev Device to query. 1404 * \param pipe Crtc to query. 1405 * \param flags Flags from caller (DRM_CALLED_FROM_VBLIRQ or 0). 1406 * For driver internal use only also supports these flags: 1407 * 1408 * USE_REAL_VBLANKSTART to use the real start of vblank instead 1409 * of a fudged earlier start of vblank. 1410 * 1411 * GET_DISTANCE_TO_VBLANKSTART to return distance to the 1412 * fudged earlier start of vblank in *vpos and the distance 1413 * to true start of vblank in *hpos. 1414 * 1415 * \param *vpos Location where vertical scanout position should be stored. 1416 * \param *hpos Location where horizontal scanout position should go. 1417 * \param *stime Target location for timestamp taken immediately before 1418 * scanout position query. Can be NULL to skip timestamp. 1419 * \param *etime Target location for timestamp taken immediately after 1420 * scanout position query. Can be NULL to skip timestamp. 1421 * 1422 * Returns vpos as a positive number while in active scanout area. 1423 * Returns vpos as a negative number inside vblank, counting the number 1424 * of scanlines to go until end of vblank, e.g., -1 means "one scanline 1425 * until start of active scanout / end of vblank." 1426 * 1427 * \return Flags, or'ed together as follows: 1428 * 1429 * DRM_SCANOUTPOS_VALID = Query successful. 1430 * DRM_SCANOUTPOS_INVBL = Inside vblank. 1431 * DRM_SCANOUTPOS_ACCURATE = Returned position is accurate. A lack of 1432 * this flag means that returned position may be offset by a constant but 1433 * unknown small number of scanlines wrt. real scanout position. 1434 * 1435 */ 1436 int amdgpu_display_get_crtc_scanoutpos(struct drm_device *dev, 1437 unsigned int pipe, unsigned int flags, int *vpos, 1438 int *hpos, ktime_t *stime, ktime_t *etime, 1439 const struct drm_display_mode *mode) 1440 { 1441 u32 vbl = 0, position = 0; 1442 int vbl_start, vbl_end, vtotal, ret = 0; 1443 bool in_vbl = true; 1444 1445 struct amdgpu_device *adev = drm_to_adev(dev); 1446 1447 /* preempt_disable_rt() should go right here in PREEMPT_RT patchset. */ 1448 1449 /* Get optional system timestamp before query. */ 1450 if (stime) 1451 *stime = ktime_get(); 1452 1453 if (amdgpu_display_page_flip_get_scanoutpos(adev, pipe, &vbl, &position) == 0) 1454 ret |= DRM_SCANOUTPOS_VALID; 1455 1456 /* Get optional system timestamp after query. */ 1457 if (etime) 1458 *etime = ktime_get(); 1459 1460 /* preempt_enable_rt() should go right here in PREEMPT_RT patchset. */ 1461 1462 /* Decode into vertical and horizontal scanout position. */ 1463 *vpos = position & 0x1fff; 1464 *hpos = (position >> 16) & 0x1fff; 1465 1466 /* Valid vblank area boundaries from gpu retrieved? */ 1467 if (vbl > 0) { 1468 /* Yes: Decode. */ 1469 ret |= DRM_SCANOUTPOS_ACCURATE; 1470 vbl_start = vbl & 0x1fff; 1471 vbl_end = (vbl >> 16) & 0x1fff; 1472 } 1473 else { 1474 /* No: Fake something reasonable which gives at least ok results. */ 1475 vbl_start = mode->crtc_vdisplay; 1476 vbl_end = 0; 1477 } 1478 1479 /* Called from driver internal vblank counter query code? */ 1480 if (flags & GET_DISTANCE_TO_VBLANKSTART) { 1481 /* Caller wants distance from real vbl_start in *hpos */ 1482 *hpos = *vpos - vbl_start; 1483 } 1484 1485 /* Fudge vblank to start a few scanlines earlier to handle the 1486 * problem that vblank irqs fire a few scanlines before start 1487 * of vblank. Some driver internal callers need the true vblank 1488 * start to be used and signal this via the USE_REAL_VBLANKSTART flag. 1489 * 1490 * The cause of the "early" vblank irq is that the irq is triggered 1491 * by the line buffer logic when the line buffer read position enters 1492 * the vblank, whereas our crtc scanout position naturally lags the 1493 * line buffer read position. 1494 */ 1495 if (!(flags & USE_REAL_VBLANKSTART)) 1496 vbl_start -= adev->mode_info.crtcs[pipe]->lb_vblank_lead_lines; 1497 1498 /* Test scanout position against vblank region. */ 1499 if ((*vpos < vbl_start) && (*vpos >= vbl_end)) 1500 in_vbl = false; 1501 1502 /* In vblank? */ 1503 if (in_vbl) 1504 ret |= DRM_SCANOUTPOS_IN_VBLANK; 1505 1506 /* Called from driver internal vblank counter query code? */ 1507 if (flags & GET_DISTANCE_TO_VBLANKSTART) { 1508 /* Caller wants distance from fudged earlier vbl_start */ 1509 *vpos -= vbl_start; 1510 return ret; 1511 } 1512 1513 /* Check if inside vblank area and apply corrective offsets: 1514 * vpos will then be >=0 in video scanout area, but negative 1515 * within vblank area, counting down the number of lines until 1516 * start of scanout. 1517 */ 1518 1519 /* Inside "upper part" of vblank area? Apply corrective offset if so: */ 1520 if (in_vbl && (*vpos >= vbl_start)) { 1521 vtotal = mode->crtc_vtotal; 1522 1523 /* With variable refresh rate displays the vpos can exceed 1524 * the vtotal value. Clamp to 0 to return -vbl_end instead 1525 * of guessing the remaining number of lines until scanout. 1526 */ 1527 *vpos = (*vpos < vtotal) ? (*vpos - vtotal) : 0; 1528 } 1529 1530 /* Correct for shifted end of vbl at vbl_end. */ 1531 *vpos = *vpos - vbl_end; 1532 1533 return ret; 1534 } 1535 1536 int amdgpu_display_crtc_idx_to_irq_type(struct amdgpu_device *adev, int crtc) 1537 { 1538 if (crtc < 0 || crtc >= adev->mode_info.num_crtc) 1539 return AMDGPU_CRTC_IRQ_NONE; 1540 1541 switch (crtc) { 1542 case 0: 1543 return AMDGPU_CRTC_IRQ_VBLANK1; 1544 case 1: 1545 return AMDGPU_CRTC_IRQ_VBLANK2; 1546 case 2: 1547 return AMDGPU_CRTC_IRQ_VBLANK3; 1548 case 3: 1549 return AMDGPU_CRTC_IRQ_VBLANK4; 1550 case 4: 1551 return AMDGPU_CRTC_IRQ_VBLANK5; 1552 case 5: 1553 return AMDGPU_CRTC_IRQ_VBLANK6; 1554 default: 1555 return AMDGPU_CRTC_IRQ_NONE; 1556 } 1557 } 1558 1559 bool amdgpu_crtc_get_scanout_position(struct drm_crtc *crtc, 1560 bool in_vblank_irq, int *vpos, 1561 int *hpos, ktime_t *stime, ktime_t *etime, 1562 const struct drm_display_mode *mode) 1563 { 1564 struct drm_device *dev = crtc->dev; 1565 unsigned int pipe = crtc->index; 1566 1567 return amdgpu_display_get_crtc_scanoutpos(dev, pipe, 0, vpos, hpos, 1568 stime, etime, mode); 1569 } 1570 1571 int amdgpu_display_suspend_helper(struct amdgpu_device *adev) 1572 { 1573 struct drm_device *dev = adev_to_drm(adev); 1574 struct drm_crtc *crtc; 1575 struct drm_connector *connector; 1576 struct drm_connector_list_iter iter; 1577 int r; 1578 1579 /* turn off display hw */ 1580 drm_modeset_lock_all(dev); 1581 drm_connector_list_iter_begin(dev, &iter); 1582 drm_for_each_connector_iter(connector, &iter) 1583 drm_helper_connector_dpms(connector, 1584 DRM_MODE_DPMS_OFF); 1585 drm_connector_list_iter_end(&iter); 1586 drm_modeset_unlock_all(dev); 1587 /* unpin the front buffers and cursors */ 1588 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 1589 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1590 struct drm_framebuffer *fb = crtc->primary->fb; 1591 struct amdgpu_bo *robj; 1592 1593 if (amdgpu_crtc->cursor_bo && !adev->enable_virtual_display) { 1594 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); 1595 r = amdgpu_bo_reserve(aobj, true); 1596 if (r == 0) { 1597 amdgpu_bo_unpin(aobj); 1598 amdgpu_bo_unreserve(aobj); 1599 } 1600 } 1601 1602 if (fb == NULL || fb->obj[0] == NULL) { 1603 continue; 1604 } 1605 robj = gem_to_amdgpu_bo(fb->obj[0]); 1606 r = amdgpu_bo_reserve(robj, true); 1607 if (r == 0) { 1608 amdgpu_bo_unpin(robj); 1609 amdgpu_bo_unreserve(robj); 1610 } 1611 } 1612 return 0; 1613 } 1614 1615 int amdgpu_display_resume_helper(struct amdgpu_device *adev) 1616 { 1617 struct drm_device *dev = adev_to_drm(adev); 1618 struct drm_connector *connector; 1619 struct drm_connector_list_iter iter; 1620 struct drm_crtc *crtc; 1621 int r; 1622 1623 /* pin cursors */ 1624 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 1625 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); 1626 1627 if (amdgpu_crtc->cursor_bo && !adev->enable_virtual_display) { 1628 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); 1629 r = amdgpu_bo_reserve(aobj, true); 1630 if (r == 0) { 1631 r = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM); 1632 if (r != 0) 1633 dev_err(adev->dev, "Failed to pin cursor BO (%d)\n", r); 1634 amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj); 1635 amdgpu_bo_unreserve(aobj); 1636 } 1637 } 1638 } 1639 1640 drm_helper_resume_force_mode(dev); 1641 1642 /* turn on display hw */ 1643 drm_modeset_lock_all(dev); 1644 1645 drm_connector_list_iter_begin(dev, &iter); 1646 drm_for_each_connector_iter(connector, &iter) 1647 drm_helper_connector_dpms(connector, 1648 DRM_MODE_DPMS_ON); 1649 drm_connector_list_iter_end(&iter); 1650 1651 drm_modeset_unlock_all(dev); 1652 1653 return 0; 1654 } 1655 1656