1 /* 2 * Copyright 2016 Advanced Micro Devices, Inc. 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sub license, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 16 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 17 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 18 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 19 * USE OR OTHER DEALINGS IN THE SOFTWARE. 20 * 21 * The above copyright notice and this permission notice (including the 22 * next paragraph) shall be included in all copies or substantial portions 23 * of the Software. 24 * 25 */ 26 27 #include <linux/firmware.h> 28 #include <linux/module.h> 29 #include <drm/drmP.h> 30 #include <drm/drm.h> 31 32 #include "amdgpu.h" 33 #include "amdgpu_pm.h" 34 #include "amdgpu_vcn.h" 35 #include "soc15d.h" 36 #include "soc15_common.h" 37 38 #include "vcn/vcn_1_0_offset.h" 39 40 /* 1 second timeout */ 41 #define VCN_IDLE_TIMEOUT msecs_to_jiffies(1000) 42 43 /* Firmware Names */ 44 #define FIRMWARE_RAVEN "amdgpu/raven_vcn.bin" 45 46 MODULE_FIRMWARE(FIRMWARE_RAVEN); 47 48 static void amdgpu_vcn_idle_work_handler(struct work_struct *work); 49 50 int amdgpu_vcn_sw_init(struct amdgpu_device *adev) 51 { 52 struct amdgpu_ring *ring; 53 struct drm_sched_rq *rq; 54 unsigned long bo_size; 55 const char *fw_name; 56 const struct common_firmware_header *hdr; 57 unsigned version_major, version_minor, family_id; 58 int r; 59 60 INIT_DELAYED_WORK(&adev->vcn.idle_work, amdgpu_vcn_idle_work_handler); 61 62 switch (adev->asic_type) { 63 case CHIP_RAVEN: 64 fw_name = FIRMWARE_RAVEN; 65 break; 66 default: 67 return -EINVAL; 68 } 69 70 r = request_firmware(&adev->vcn.fw, fw_name, adev->dev); 71 if (r) { 72 dev_err(adev->dev, "amdgpu_vcn: Can't load firmware \"%s\"\n", 73 fw_name); 74 return r; 75 } 76 77 r = amdgpu_ucode_validate(adev->vcn.fw); 78 if (r) { 79 dev_err(adev->dev, "amdgpu_vcn: Can't validate firmware \"%s\"\n", 80 fw_name); 81 release_firmware(adev->vcn.fw); 82 adev->vcn.fw = NULL; 83 return r; 84 } 85 86 hdr = (const struct common_firmware_header *)adev->vcn.fw->data; 87 family_id = le32_to_cpu(hdr->ucode_version) & 0xff; 88 version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff; 89 version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff; 90 DRM_INFO("Found VCN firmware Version: %hu.%hu Family ID: %hu\n", 91 version_major, version_minor, family_id); 92 93 94 bo_size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8) 95 + AMDGPU_VCN_STACK_SIZE + AMDGPU_VCN_HEAP_SIZE 96 + AMDGPU_VCN_SESSION_SIZE * 40; 97 r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE, 98 AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.vcpu_bo, 99 &adev->vcn.gpu_addr, &adev->vcn.cpu_addr); 100 if (r) { 101 dev_err(adev->dev, "(%d) failed to allocate vcn bo\n", r); 102 return r; 103 } 104 105 ring = &adev->vcn.ring_dec; 106 rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL]; 107 r = drm_sched_entity_init(&ring->sched, &adev->vcn.entity_dec, 108 rq, amdgpu_sched_jobs, NULL); 109 if (r != 0) { 110 DRM_ERROR("Failed setting up VCN dec run queue.\n"); 111 return r; 112 } 113 114 ring = &adev->vcn.ring_enc[0]; 115 rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL]; 116 r = drm_sched_entity_init(&ring->sched, &adev->vcn.entity_enc, 117 rq, amdgpu_sched_jobs, NULL); 118 if (r != 0) { 119 DRM_ERROR("Failed setting up VCN enc run queue.\n"); 120 return r; 121 } 122 123 return 0; 124 } 125 126 int amdgpu_vcn_sw_fini(struct amdgpu_device *adev) 127 { 128 int i; 129 130 kfree(adev->vcn.saved_bo); 131 132 drm_sched_entity_fini(&adev->vcn.ring_dec.sched, &adev->vcn.entity_dec); 133 134 drm_sched_entity_fini(&adev->vcn.ring_enc[0].sched, &adev->vcn.entity_enc); 135 136 amdgpu_bo_free_kernel(&adev->vcn.vcpu_bo, 137 &adev->vcn.gpu_addr, 138 (void **)&adev->vcn.cpu_addr); 139 140 amdgpu_ring_fini(&adev->vcn.ring_dec); 141 142 for (i = 0; i < adev->vcn.num_enc_rings; ++i) 143 amdgpu_ring_fini(&adev->vcn.ring_enc[i]); 144 145 release_firmware(adev->vcn.fw); 146 147 return 0; 148 } 149 150 int amdgpu_vcn_suspend(struct amdgpu_device *adev) 151 { 152 unsigned size; 153 void *ptr; 154 155 if (adev->vcn.vcpu_bo == NULL) 156 return 0; 157 158 cancel_delayed_work_sync(&adev->vcn.idle_work); 159 160 size = amdgpu_bo_size(adev->vcn.vcpu_bo); 161 ptr = adev->vcn.cpu_addr; 162 163 adev->vcn.saved_bo = kmalloc(size, GFP_KERNEL); 164 if (!adev->vcn.saved_bo) 165 return -ENOMEM; 166 167 memcpy_fromio(adev->vcn.saved_bo, ptr, size); 168 169 return 0; 170 } 171 172 int amdgpu_vcn_resume(struct amdgpu_device *adev) 173 { 174 unsigned size; 175 void *ptr; 176 177 if (adev->vcn.vcpu_bo == NULL) 178 return -EINVAL; 179 180 size = amdgpu_bo_size(adev->vcn.vcpu_bo); 181 ptr = adev->vcn.cpu_addr; 182 183 if (adev->vcn.saved_bo != NULL) { 184 memcpy_toio(ptr, adev->vcn.saved_bo, size); 185 kfree(adev->vcn.saved_bo); 186 adev->vcn.saved_bo = NULL; 187 } else { 188 const struct common_firmware_header *hdr; 189 unsigned offset; 190 191 hdr = (const struct common_firmware_header *)adev->vcn.fw->data; 192 offset = le32_to_cpu(hdr->ucode_array_offset_bytes); 193 memcpy_toio(adev->vcn.cpu_addr, adev->vcn.fw->data + offset, 194 le32_to_cpu(hdr->ucode_size_bytes)); 195 size -= le32_to_cpu(hdr->ucode_size_bytes); 196 ptr += le32_to_cpu(hdr->ucode_size_bytes); 197 memset_io(ptr, 0, size); 198 } 199 200 return 0; 201 } 202 203 static void amdgpu_vcn_idle_work_handler(struct work_struct *work) 204 { 205 struct amdgpu_device *adev = 206 container_of(work, struct amdgpu_device, vcn.idle_work.work); 207 unsigned fences = amdgpu_fence_count_emitted(&adev->vcn.ring_dec); 208 209 if (fences == 0) { 210 if (adev->pm.dpm_enabled) { 211 /* might be used when with pg/cg 212 amdgpu_dpm_enable_uvd(adev, false); 213 */ 214 } 215 } else { 216 schedule_delayed_work(&adev->vcn.idle_work, VCN_IDLE_TIMEOUT); 217 } 218 } 219 220 void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring) 221 { 222 struct amdgpu_device *adev = ring->adev; 223 bool set_clocks = !cancel_delayed_work_sync(&adev->vcn.idle_work); 224 225 if (set_clocks && adev->pm.dpm_enabled) { 226 /* might be used when with pg/cg 227 amdgpu_dpm_enable_uvd(adev, true); 228 */ 229 } 230 } 231 232 void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring) 233 { 234 schedule_delayed_work(&ring->adev->vcn.idle_work, VCN_IDLE_TIMEOUT); 235 } 236 237 int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring) 238 { 239 struct amdgpu_device *adev = ring->adev; 240 uint32_t tmp = 0; 241 unsigned i; 242 int r; 243 244 WREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0xCAFEDEAD); 245 r = amdgpu_ring_alloc(ring, 3); 246 if (r) { 247 DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n", 248 ring->idx, r); 249 return r; 250 } 251 amdgpu_ring_write(ring, 252 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0)); 253 amdgpu_ring_write(ring, 0xDEADBEEF); 254 amdgpu_ring_commit(ring); 255 for (i = 0; i < adev->usec_timeout; i++) { 256 tmp = RREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID)); 257 if (tmp == 0xDEADBEEF) 258 break; 259 DRM_UDELAY(1); 260 } 261 262 if (i < adev->usec_timeout) { 263 DRM_DEBUG("ring test on %d succeeded in %d usecs\n", 264 ring->idx, i); 265 } else { 266 DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n", 267 ring->idx, tmp); 268 r = -EINVAL; 269 } 270 return r; 271 } 272 273 static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo, 274 bool direct, struct dma_fence **fence) 275 { 276 struct ttm_operation_ctx ctx = { true, false }; 277 struct ttm_validate_buffer tv; 278 struct ww_acquire_ctx ticket; 279 struct list_head head; 280 struct amdgpu_job *job; 281 struct amdgpu_ib *ib; 282 struct dma_fence *f = NULL; 283 struct amdgpu_device *adev = ring->adev; 284 uint64_t addr; 285 int i, r; 286 287 memset(&tv, 0, sizeof(tv)); 288 tv.bo = &bo->tbo; 289 290 INIT_LIST_HEAD(&head); 291 list_add(&tv.head, &head); 292 293 r = ttm_eu_reserve_buffers(&ticket, &head, true, NULL); 294 if (r) 295 return r; 296 297 r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx); 298 if (r) 299 goto err; 300 301 r = amdgpu_job_alloc_with_ib(adev, 64, &job); 302 if (r) 303 goto err; 304 305 ib = &job->ibs[0]; 306 addr = amdgpu_bo_gpu_offset(bo); 307 ib->ptr[0] = PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0); 308 ib->ptr[1] = addr; 309 ib->ptr[2] = PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0); 310 ib->ptr[3] = addr >> 32; 311 ib->ptr[4] = PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0); 312 ib->ptr[5] = 0; 313 for (i = 6; i < 16; i += 2) { 314 ib->ptr[i] = PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_NO_OP), 0); 315 ib->ptr[i+1] = 0; 316 } 317 ib->length_dw = 16; 318 319 if (direct) { 320 r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f); 321 job->fence = dma_fence_get(f); 322 if (r) 323 goto err_free; 324 325 amdgpu_job_free(job); 326 } else { 327 r = amdgpu_job_submit(job, ring, &adev->vcn.entity_dec, 328 AMDGPU_FENCE_OWNER_UNDEFINED, &f); 329 if (r) 330 goto err_free; 331 } 332 333 ttm_eu_fence_buffer_objects(&ticket, &head, f); 334 335 if (fence) 336 *fence = dma_fence_get(f); 337 amdgpu_bo_unref(&bo); 338 dma_fence_put(f); 339 340 return 0; 341 342 err_free: 343 amdgpu_job_free(job); 344 345 err: 346 ttm_eu_backoff_reservation(&ticket, &head); 347 return r; 348 } 349 350 static int amdgpu_vcn_dec_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, 351 struct dma_fence **fence) 352 { 353 struct amdgpu_device *adev = ring->adev; 354 struct amdgpu_bo *bo; 355 uint32_t *msg; 356 int r, i; 357 358 r = amdgpu_bo_create(adev, 1024, PAGE_SIZE, true, 359 AMDGPU_GEM_DOMAIN_VRAM, 360 AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED | 361 AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS, 362 NULL, NULL, 0, &bo); 363 if (r) 364 return r; 365 366 r = amdgpu_bo_reserve(bo, false); 367 if (r) { 368 amdgpu_bo_unref(&bo); 369 return r; 370 } 371 372 r = amdgpu_bo_kmap(bo, (void **)&msg); 373 if (r) { 374 amdgpu_bo_unreserve(bo); 375 amdgpu_bo_unref(&bo); 376 return r; 377 } 378 379 msg[0] = cpu_to_le32(0x00000028); 380 msg[1] = cpu_to_le32(0x00000038); 381 msg[2] = cpu_to_le32(0x00000001); 382 msg[3] = cpu_to_le32(0x00000000); 383 msg[4] = cpu_to_le32(handle); 384 msg[5] = cpu_to_le32(0x00000000); 385 msg[6] = cpu_to_le32(0x00000001); 386 msg[7] = cpu_to_le32(0x00000028); 387 msg[8] = cpu_to_le32(0x00000010); 388 msg[9] = cpu_to_le32(0x00000000); 389 msg[10] = cpu_to_le32(0x00000007); 390 msg[11] = cpu_to_le32(0x00000000); 391 msg[12] = cpu_to_le32(0x00000780); 392 msg[13] = cpu_to_le32(0x00000440); 393 for (i = 14; i < 1024; ++i) 394 msg[i] = cpu_to_le32(0x0); 395 396 amdgpu_bo_kunmap(bo); 397 amdgpu_bo_unreserve(bo); 398 399 return amdgpu_vcn_dec_send_msg(ring, bo, true, fence); 400 } 401 402 static int amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, 403 bool direct, struct dma_fence **fence) 404 { 405 struct amdgpu_device *adev = ring->adev; 406 struct amdgpu_bo *bo; 407 uint32_t *msg; 408 int r, i; 409 410 r = amdgpu_bo_create(adev, 1024, PAGE_SIZE, true, 411 AMDGPU_GEM_DOMAIN_VRAM, 412 AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED | 413 AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS, 414 NULL, NULL, 0, &bo); 415 if (r) 416 return r; 417 418 r = amdgpu_bo_reserve(bo, false); 419 if (r) { 420 amdgpu_bo_unref(&bo); 421 return r; 422 } 423 424 r = amdgpu_bo_kmap(bo, (void **)&msg); 425 if (r) { 426 amdgpu_bo_unreserve(bo); 427 amdgpu_bo_unref(&bo); 428 return r; 429 } 430 431 msg[0] = cpu_to_le32(0x00000028); 432 msg[1] = cpu_to_le32(0x00000018); 433 msg[2] = cpu_to_le32(0x00000000); 434 msg[3] = cpu_to_le32(0x00000002); 435 msg[4] = cpu_to_le32(handle); 436 msg[5] = cpu_to_le32(0x00000000); 437 for (i = 6; i < 1024; ++i) 438 msg[i] = cpu_to_le32(0x0); 439 440 amdgpu_bo_kunmap(bo); 441 amdgpu_bo_unreserve(bo); 442 443 return amdgpu_vcn_dec_send_msg(ring, bo, direct, fence); 444 } 445 446 int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout) 447 { 448 struct dma_fence *fence; 449 long r; 450 451 r = amdgpu_vcn_dec_get_create_msg(ring, 1, NULL); 452 if (r) { 453 DRM_ERROR("amdgpu: failed to get create msg (%ld).\n", r); 454 goto error; 455 } 456 457 r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, true, &fence); 458 if (r) { 459 DRM_ERROR("amdgpu: failed to get destroy ib (%ld).\n", r); 460 goto error; 461 } 462 463 r = dma_fence_wait_timeout(fence, false, timeout); 464 if (r == 0) { 465 DRM_ERROR("amdgpu: IB test timed out.\n"); 466 r = -ETIMEDOUT; 467 } else if (r < 0) { 468 DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r); 469 } else { 470 DRM_DEBUG("ib test on ring %d succeeded\n", ring->idx); 471 r = 0; 472 } 473 474 dma_fence_put(fence); 475 476 error: 477 return r; 478 } 479 480 int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring) 481 { 482 struct amdgpu_device *adev = ring->adev; 483 uint32_t rptr = amdgpu_ring_get_rptr(ring); 484 unsigned i; 485 int r; 486 487 r = amdgpu_ring_alloc(ring, 16); 488 if (r) { 489 DRM_ERROR("amdgpu: vcn enc failed to lock ring %d (%d).\n", 490 ring->idx, r); 491 return r; 492 } 493 amdgpu_ring_write(ring, VCN_ENC_CMD_END); 494 amdgpu_ring_commit(ring); 495 496 for (i = 0; i < adev->usec_timeout; i++) { 497 if (amdgpu_ring_get_rptr(ring) != rptr) 498 break; 499 DRM_UDELAY(1); 500 } 501 502 if (i < adev->usec_timeout) { 503 DRM_DEBUG("ring test on %d succeeded in %d usecs\n", 504 ring->idx, i); 505 } else { 506 DRM_ERROR("amdgpu: ring %d test failed\n", 507 ring->idx); 508 r = -ETIMEDOUT; 509 } 510 511 return r; 512 } 513 514 static int amdgpu_vcn_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, 515 struct dma_fence **fence) 516 { 517 const unsigned ib_size_dw = 16; 518 struct amdgpu_job *job; 519 struct amdgpu_ib *ib; 520 struct dma_fence *f = NULL; 521 uint64_t dummy; 522 int i, r; 523 524 r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job); 525 if (r) 526 return r; 527 528 ib = &job->ibs[0]; 529 dummy = ib->gpu_addr + 1024; 530 531 ib->length_dw = 0; 532 ib->ptr[ib->length_dw++] = 0x00000018; 533 ib->ptr[ib->length_dw++] = 0x00000001; /* session info */ 534 ib->ptr[ib->length_dw++] = handle; 535 ib->ptr[ib->length_dw++] = upper_32_bits(dummy); 536 ib->ptr[ib->length_dw++] = dummy; 537 ib->ptr[ib->length_dw++] = 0x0000000b; 538 539 ib->ptr[ib->length_dw++] = 0x00000014; 540 ib->ptr[ib->length_dw++] = 0x00000002; /* task info */ 541 ib->ptr[ib->length_dw++] = 0x0000001c; 542 ib->ptr[ib->length_dw++] = 0x00000000; 543 ib->ptr[ib->length_dw++] = 0x00000000; 544 545 ib->ptr[ib->length_dw++] = 0x00000008; 546 ib->ptr[ib->length_dw++] = 0x08000001; /* op initialize */ 547 548 for (i = ib->length_dw; i < ib_size_dw; ++i) 549 ib->ptr[i] = 0x0; 550 551 r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f); 552 job->fence = dma_fence_get(f); 553 if (r) 554 goto err; 555 556 amdgpu_job_free(job); 557 if (fence) 558 *fence = dma_fence_get(f); 559 dma_fence_put(f); 560 561 return 0; 562 563 err: 564 amdgpu_job_free(job); 565 return r; 566 } 567 568 static int amdgpu_vcn_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, 569 struct dma_fence **fence) 570 { 571 const unsigned ib_size_dw = 16; 572 struct amdgpu_job *job; 573 struct amdgpu_ib *ib; 574 struct dma_fence *f = NULL; 575 uint64_t dummy; 576 int i, r; 577 578 r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job); 579 if (r) 580 return r; 581 582 ib = &job->ibs[0]; 583 dummy = ib->gpu_addr + 1024; 584 585 ib->length_dw = 0; 586 ib->ptr[ib->length_dw++] = 0x00000018; 587 ib->ptr[ib->length_dw++] = 0x00000001; 588 ib->ptr[ib->length_dw++] = handle; 589 ib->ptr[ib->length_dw++] = upper_32_bits(dummy); 590 ib->ptr[ib->length_dw++] = dummy; 591 ib->ptr[ib->length_dw++] = 0x0000000b; 592 593 ib->ptr[ib->length_dw++] = 0x00000014; 594 ib->ptr[ib->length_dw++] = 0x00000002; 595 ib->ptr[ib->length_dw++] = 0x0000001c; 596 ib->ptr[ib->length_dw++] = 0x00000000; 597 ib->ptr[ib->length_dw++] = 0x00000000; 598 599 ib->ptr[ib->length_dw++] = 0x00000008; 600 ib->ptr[ib->length_dw++] = 0x08000002; /* op close session */ 601 602 for (i = ib->length_dw; i < ib_size_dw; ++i) 603 ib->ptr[i] = 0x0; 604 605 r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f); 606 job->fence = dma_fence_get(f); 607 if (r) 608 goto err; 609 610 amdgpu_job_free(job); 611 if (fence) 612 *fence = dma_fence_get(f); 613 dma_fence_put(f); 614 615 return 0; 616 617 err: 618 amdgpu_job_free(job); 619 return r; 620 } 621 622 int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout) 623 { 624 struct dma_fence *fence = NULL; 625 long r; 626 627 r = amdgpu_vcn_enc_get_create_msg(ring, 1, NULL); 628 if (r) { 629 DRM_ERROR("amdgpu: failed to get create msg (%ld).\n", r); 630 goto error; 631 } 632 633 r = amdgpu_vcn_enc_get_destroy_msg(ring, 1, &fence); 634 if (r) { 635 DRM_ERROR("amdgpu: failed to get destroy ib (%ld).\n", r); 636 goto error; 637 } 638 639 r = dma_fence_wait_timeout(fence, false, timeout); 640 if (r == 0) { 641 DRM_ERROR("amdgpu: IB test timed out.\n"); 642 r = -ETIMEDOUT; 643 } else if (r < 0) { 644 DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r); 645 } else { 646 DRM_DEBUG("ib test on ring %d succeeded\n", ring->idx); 647 r = 0; 648 } 649 error: 650 dma_fence_put(fence); 651 return r; 652 } 653