1 /* 2 * Copyright 2013 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 * Authors: Christian König <christian.koenig@amd.com> 26 */ 27 28 #include <linux/firmware.h> 29 #include <linux/module.h> 30 #include <drm/drmP.h> 31 #include <drm/drm.h> 32 33 #include "amdgpu.h" 34 #include "amdgpu_pm.h" 35 #include "amdgpu_vce.h" 36 #include "cikd.h" 37 38 /* 1 second timeout */ 39 #define VCE_IDLE_TIMEOUT msecs_to_jiffies(1000) 40 41 /* Firmware Names */ 42 #ifdef CONFIG_DRM_AMDGPU_CIK 43 #define FIRMWARE_BONAIRE "radeon/bonaire_vce.bin" 44 #define FIRMWARE_KABINI "radeon/kabini_vce.bin" 45 #define FIRMWARE_KAVERI "radeon/kaveri_vce.bin" 46 #define FIRMWARE_HAWAII "radeon/hawaii_vce.bin" 47 #define FIRMWARE_MULLINS "radeon/mullins_vce.bin" 48 #endif 49 #define FIRMWARE_TONGA "amdgpu/tonga_vce.bin" 50 #define FIRMWARE_CARRIZO "amdgpu/carrizo_vce.bin" 51 #define FIRMWARE_FIJI "amdgpu/fiji_vce.bin" 52 #define FIRMWARE_STONEY "amdgpu/stoney_vce.bin" 53 #define FIRMWARE_POLARIS10 "amdgpu/polaris10_vce.bin" 54 #define FIRMWARE_POLARIS11 "amdgpu/polaris11_vce.bin" 55 #define FIRMWARE_POLARIS12 "amdgpu/polaris12_vce.bin" 56 57 #define FIRMWARE_VEGA10 "amdgpu/vega10_vce.bin" 58 59 #ifdef CONFIG_DRM_AMDGPU_CIK 60 MODULE_FIRMWARE(FIRMWARE_BONAIRE); 61 MODULE_FIRMWARE(FIRMWARE_KABINI); 62 MODULE_FIRMWARE(FIRMWARE_KAVERI); 63 MODULE_FIRMWARE(FIRMWARE_HAWAII); 64 MODULE_FIRMWARE(FIRMWARE_MULLINS); 65 #endif 66 MODULE_FIRMWARE(FIRMWARE_TONGA); 67 MODULE_FIRMWARE(FIRMWARE_CARRIZO); 68 MODULE_FIRMWARE(FIRMWARE_FIJI); 69 MODULE_FIRMWARE(FIRMWARE_STONEY); 70 MODULE_FIRMWARE(FIRMWARE_POLARIS10); 71 MODULE_FIRMWARE(FIRMWARE_POLARIS11); 72 MODULE_FIRMWARE(FIRMWARE_POLARIS12); 73 74 MODULE_FIRMWARE(FIRMWARE_VEGA10); 75 76 static void amdgpu_vce_idle_work_handler(struct work_struct *work); 77 78 /** 79 * amdgpu_vce_init - allocate memory, load vce firmware 80 * 81 * @adev: amdgpu_device pointer 82 * 83 * First step to get VCE online, allocate memory and load the firmware 84 */ 85 int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size) 86 { 87 struct amdgpu_ring *ring; 88 struct amd_sched_rq *rq; 89 const char *fw_name; 90 const struct common_firmware_header *hdr; 91 unsigned ucode_version, version_major, version_minor, binary_id; 92 int i, r; 93 94 switch (adev->asic_type) { 95 #ifdef CONFIG_DRM_AMDGPU_CIK 96 case CHIP_BONAIRE: 97 fw_name = FIRMWARE_BONAIRE; 98 break; 99 case CHIP_KAVERI: 100 fw_name = FIRMWARE_KAVERI; 101 break; 102 case CHIP_KABINI: 103 fw_name = FIRMWARE_KABINI; 104 break; 105 case CHIP_HAWAII: 106 fw_name = FIRMWARE_HAWAII; 107 break; 108 case CHIP_MULLINS: 109 fw_name = FIRMWARE_MULLINS; 110 break; 111 #endif 112 case CHIP_TONGA: 113 fw_name = FIRMWARE_TONGA; 114 break; 115 case CHIP_CARRIZO: 116 fw_name = FIRMWARE_CARRIZO; 117 break; 118 case CHIP_FIJI: 119 fw_name = FIRMWARE_FIJI; 120 break; 121 case CHIP_STONEY: 122 fw_name = FIRMWARE_STONEY; 123 break; 124 case CHIP_POLARIS10: 125 fw_name = FIRMWARE_POLARIS10; 126 break; 127 case CHIP_POLARIS11: 128 fw_name = FIRMWARE_POLARIS11; 129 break; 130 case CHIP_VEGA10: 131 fw_name = FIRMWARE_VEGA10; 132 break; 133 case CHIP_POLARIS12: 134 fw_name = FIRMWARE_POLARIS12; 135 break; 136 137 default: 138 return -EINVAL; 139 } 140 141 r = request_firmware(&adev->vce.fw, fw_name, adev->dev); 142 if (r) { 143 dev_err(adev->dev, "amdgpu_vce: Can't load firmware \"%s\"\n", 144 fw_name); 145 return r; 146 } 147 148 r = amdgpu_ucode_validate(adev->vce.fw); 149 if (r) { 150 dev_err(adev->dev, "amdgpu_vce: Can't validate firmware \"%s\"\n", 151 fw_name); 152 release_firmware(adev->vce.fw); 153 adev->vce.fw = NULL; 154 return r; 155 } 156 157 hdr = (const struct common_firmware_header *)adev->vce.fw->data; 158 159 ucode_version = le32_to_cpu(hdr->ucode_version); 160 version_major = (ucode_version >> 20) & 0xfff; 161 version_minor = (ucode_version >> 8) & 0xfff; 162 binary_id = ucode_version & 0xff; 163 DRM_INFO("Found VCE firmware Version: %hhd.%hhd Binary ID: %hhd\n", 164 version_major, version_minor, binary_id); 165 adev->vce.fw_version = ((version_major << 24) | (version_minor << 16) | 166 (binary_id << 8)); 167 168 r = amdgpu_bo_create_kernel(adev, size, PAGE_SIZE, 169 AMDGPU_GEM_DOMAIN_VRAM, &adev->vce.vcpu_bo, 170 &adev->vce.gpu_addr, &adev->vce.cpu_addr); 171 if (r) { 172 dev_err(adev->dev, "(%d) failed to allocate VCE bo\n", r); 173 return r; 174 } 175 176 ring = &adev->vce.ring[0]; 177 rq = &ring->sched.sched_rq[AMD_SCHED_PRIORITY_NORMAL]; 178 r = amd_sched_entity_init(&ring->sched, &adev->vce.entity, 179 rq, amdgpu_sched_jobs); 180 if (r != 0) { 181 DRM_ERROR("Failed setting up VCE run queue.\n"); 182 return r; 183 } 184 185 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { 186 atomic_set(&adev->vce.handles[i], 0); 187 adev->vce.filp[i] = NULL; 188 } 189 190 INIT_DELAYED_WORK(&adev->vce.idle_work, amdgpu_vce_idle_work_handler); 191 mutex_init(&adev->vce.idle_mutex); 192 193 return 0; 194 } 195 196 /** 197 * amdgpu_vce_fini - free memory 198 * 199 * @adev: amdgpu_device pointer 200 * 201 * Last step on VCE teardown, free firmware memory 202 */ 203 int amdgpu_vce_sw_fini(struct amdgpu_device *adev) 204 { 205 unsigned i; 206 207 if (adev->vce.vcpu_bo == NULL) 208 return 0; 209 210 amd_sched_entity_fini(&adev->vce.ring[0].sched, &adev->vce.entity); 211 212 amdgpu_bo_free_kernel(&adev->vce.vcpu_bo, &adev->vce.gpu_addr, 213 (void **)&adev->vce.cpu_addr); 214 215 for (i = 0; i < adev->vce.num_rings; i++) 216 amdgpu_ring_fini(&adev->vce.ring[i]); 217 218 release_firmware(adev->vce.fw); 219 mutex_destroy(&adev->vce.idle_mutex); 220 221 return 0; 222 } 223 224 /** 225 * amdgpu_vce_suspend - unpin VCE fw memory 226 * 227 * @adev: amdgpu_device pointer 228 * 229 */ 230 int amdgpu_vce_suspend(struct amdgpu_device *adev) 231 { 232 int i; 233 234 if (adev->vce.vcpu_bo == NULL) 235 return 0; 236 237 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) 238 if (atomic_read(&adev->vce.handles[i])) 239 break; 240 241 if (i == AMDGPU_MAX_VCE_HANDLES) 242 return 0; 243 244 cancel_delayed_work_sync(&adev->vce.idle_work); 245 /* TODO: suspending running encoding sessions isn't supported */ 246 return -EINVAL; 247 } 248 249 /** 250 * amdgpu_vce_resume - pin VCE fw memory 251 * 252 * @adev: amdgpu_device pointer 253 * 254 */ 255 int amdgpu_vce_resume(struct amdgpu_device *adev) 256 { 257 void *cpu_addr; 258 const struct common_firmware_header *hdr; 259 unsigned offset; 260 int r; 261 262 if (adev->vce.vcpu_bo == NULL) 263 return -EINVAL; 264 265 r = amdgpu_bo_reserve(adev->vce.vcpu_bo, false); 266 if (r) { 267 dev_err(adev->dev, "(%d) failed to reserve VCE bo\n", r); 268 return r; 269 } 270 271 r = amdgpu_bo_kmap(adev->vce.vcpu_bo, &cpu_addr); 272 if (r) { 273 amdgpu_bo_unreserve(adev->vce.vcpu_bo); 274 dev_err(adev->dev, "(%d) VCE map failed\n", r); 275 return r; 276 } 277 278 hdr = (const struct common_firmware_header *)adev->vce.fw->data; 279 offset = le32_to_cpu(hdr->ucode_array_offset_bytes); 280 memcpy_toio(cpu_addr, adev->vce.fw->data + offset, 281 adev->vce.fw->size - offset); 282 283 amdgpu_bo_kunmap(adev->vce.vcpu_bo); 284 285 amdgpu_bo_unreserve(adev->vce.vcpu_bo); 286 287 return 0; 288 } 289 290 /** 291 * amdgpu_vce_idle_work_handler - power off VCE 292 * 293 * @work: pointer to work structure 294 * 295 * power of VCE when it's not used any more 296 */ 297 static void amdgpu_vce_idle_work_handler(struct work_struct *work) 298 { 299 struct amdgpu_device *adev = 300 container_of(work, struct amdgpu_device, vce.idle_work.work); 301 unsigned i, count = 0; 302 303 if (amdgpu_sriov_vf(adev)) 304 return; 305 306 for (i = 0; i < adev->vce.num_rings; i++) 307 count += amdgpu_fence_count_emitted(&adev->vce.ring[i]); 308 309 if (count == 0) { 310 if (adev->pm.dpm_enabled) { 311 amdgpu_dpm_enable_vce(adev, false); 312 } else { 313 amdgpu_asic_set_vce_clocks(adev, 0, 0); 314 amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE, 315 AMD_PG_STATE_GATE); 316 amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE, 317 AMD_CG_STATE_GATE); 318 } 319 } else { 320 schedule_delayed_work(&adev->vce.idle_work, VCE_IDLE_TIMEOUT); 321 } 322 } 323 324 /** 325 * amdgpu_vce_ring_begin_use - power up VCE 326 * 327 * @ring: amdgpu ring 328 * 329 * Make sure VCE is powerd up when we want to use it 330 */ 331 void amdgpu_vce_ring_begin_use(struct amdgpu_ring *ring) 332 { 333 struct amdgpu_device *adev = ring->adev; 334 bool set_clocks; 335 336 if (amdgpu_sriov_vf(adev)) 337 return; 338 339 mutex_lock(&adev->vce.idle_mutex); 340 set_clocks = !cancel_delayed_work_sync(&adev->vce.idle_work); 341 if (set_clocks) { 342 if (adev->pm.dpm_enabled) { 343 amdgpu_dpm_enable_vce(adev, true); 344 } else { 345 amdgpu_asic_set_vce_clocks(adev, 53300, 40000); 346 amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE, 347 AMD_CG_STATE_UNGATE); 348 amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE, 349 AMD_PG_STATE_UNGATE); 350 351 } 352 } 353 mutex_unlock(&adev->vce.idle_mutex); 354 } 355 356 /** 357 * amdgpu_vce_ring_end_use - power VCE down 358 * 359 * @ring: amdgpu ring 360 * 361 * Schedule work to power VCE down again 362 */ 363 void amdgpu_vce_ring_end_use(struct amdgpu_ring *ring) 364 { 365 schedule_delayed_work(&ring->adev->vce.idle_work, VCE_IDLE_TIMEOUT); 366 } 367 368 /** 369 * amdgpu_vce_free_handles - free still open VCE handles 370 * 371 * @adev: amdgpu_device pointer 372 * @filp: drm file pointer 373 * 374 * Close all VCE handles still open by this file pointer 375 */ 376 void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp) 377 { 378 struct amdgpu_ring *ring = &adev->vce.ring[0]; 379 int i, r; 380 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { 381 uint32_t handle = atomic_read(&adev->vce.handles[i]); 382 383 if (!handle || adev->vce.filp[i] != filp) 384 continue; 385 386 r = amdgpu_vce_get_destroy_msg(ring, handle, false, NULL); 387 if (r) 388 DRM_ERROR("Error destroying VCE handle (%d)!\n", r); 389 390 adev->vce.filp[i] = NULL; 391 atomic_set(&adev->vce.handles[i], 0); 392 } 393 } 394 395 /** 396 * amdgpu_vce_get_create_msg - generate a VCE create msg 397 * 398 * @adev: amdgpu_device pointer 399 * @ring: ring we should submit the msg to 400 * @handle: VCE session handle to use 401 * @fence: optional fence to return 402 * 403 * Open up a stream for HW test 404 */ 405 int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, 406 struct dma_fence **fence) 407 { 408 const unsigned ib_size_dw = 1024; 409 struct amdgpu_job *job; 410 struct amdgpu_ib *ib; 411 struct dma_fence *f = NULL; 412 uint64_t dummy; 413 int i, r; 414 415 r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job); 416 if (r) 417 return r; 418 419 ib = &job->ibs[0]; 420 421 dummy = ib->gpu_addr + 1024; 422 423 /* stitch together an VCE create msg */ 424 ib->length_dw = 0; 425 ib->ptr[ib->length_dw++] = 0x0000000c; /* len */ 426 ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */ 427 ib->ptr[ib->length_dw++] = handle; 428 429 if ((ring->adev->vce.fw_version >> 24) >= 52) 430 ib->ptr[ib->length_dw++] = 0x00000040; /* len */ 431 else 432 ib->ptr[ib->length_dw++] = 0x00000030; /* len */ 433 ib->ptr[ib->length_dw++] = 0x01000001; /* create cmd */ 434 ib->ptr[ib->length_dw++] = 0x00000000; 435 ib->ptr[ib->length_dw++] = 0x00000042; 436 ib->ptr[ib->length_dw++] = 0x0000000a; 437 ib->ptr[ib->length_dw++] = 0x00000001; 438 ib->ptr[ib->length_dw++] = 0x00000080; 439 ib->ptr[ib->length_dw++] = 0x00000060; 440 ib->ptr[ib->length_dw++] = 0x00000100; 441 ib->ptr[ib->length_dw++] = 0x00000100; 442 ib->ptr[ib->length_dw++] = 0x0000000c; 443 ib->ptr[ib->length_dw++] = 0x00000000; 444 if ((ring->adev->vce.fw_version >> 24) >= 52) { 445 ib->ptr[ib->length_dw++] = 0x00000000; 446 ib->ptr[ib->length_dw++] = 0x00000000; 447 ib->ptr[ib->length_dw++] = 0x00000000; 448 ib->ptr[ib->length_dw++] = 0x00000000; 449 } 450 451 ib->ptr[ib->length_dw++] = 0x00000014; /* len */ 452 ib->ptr[ib->length_dw++] = 0x05000005; /* feedback buffer */ 453 ib->ptr[ib->length_dw++] = upper_32_bits(dummy); 454 ib->ptr[ib->length_dw++] = dummy; 455 ib->ptr[ib->length_dw++] = 0x00000001; 456 457 for (i = ib->length_dw; i < ib_size_dw; ++i) 458 ib->ptr[i] = 0x0; 459 460 r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f); 461 job->fence = dma_fence_get(f); 462 if (r) 463 goto err; 464 465 amdgpu_job_free(job); 466 if (fence) 467 *fence = dma_fence_get(f); 468 dma_fence_put(f); 469 return 0; 470 471 err: 472 amdgpu_job_free(job); 473 return r; 474 } 475 476 /** 477 * amdgpu_vce_get_destroy_msg - generate a VCE destroy msg 478 * 479 * @adev: amdgpu_device pointer 480 * @ring: ring we should submit the msg to 481 * @handle: VCE session handle to use 482 * @fence: optional fence to return 483 * 484 * Close up a stream for HW test or if userspace failed to do so 485 */ 486 int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, 487 bool direct, struct dma_fence **fence) 488 { 489 const unsigned ib_size_dw = 1024; 490 struct amdgpu_job *job; 491 struct amdgpu_ib *ib; 492 struct dma_fence *f = NULL; 493 int i, r; 494 495 r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job); 496 if (r) 497 return r; 498 499 ib = &job->ibs[0]; 500 501 /* stitch together an VCE destroy msg */ 502 ib->length_dw = 0; 503 ib->ptr[ib->length_dw++] = 0x0000000c; /* len */ 504 ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */ 505 ib->ptr[ib->length_dw++] = handle; 506 507 ib->ptr[ib->length_dw++] = 0x00000020; /* len */ 508 ib->ptr[ib->length_dw++] = 0x00000002; /* task info */ 509 ib->ptr[ib->length_dw++] = 0xffffffff; /* next task info, set to 0xffffffff if no */ 510 ib->ptr[ib->length_dw++] = 0x00000001; /* destroy session */ 511 ib->ptr[ib->length_dw++] = 0x00000000; 512 ib->ptr[ib->length_dw++] = 0x00000000; 513 ib->ptr[ib->length_dw++] = 0xffffffff; /* feedback is not needed, set to 0xffffffff and firmware will not output feedback */ 514 ib->ptr[ib->length_dw++] = 0x00000000; 515 516 ib->ptr[ib->length_dw++] = 0x00000008; /* len */ 517 ib->ptr[ib->length_dw++] = 0x02000001; /* destroy cmd */ 518 519 for (i = ib->length_dw; i < ib_size_dw; ++i) 520 ib->ptr[i] = 0x0; 521 522 if (direct) { 523 r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f); 524 job->fence = dma_fence_get(f); 525 if (r) 526 goto err; 527 528 amdgpu_job_free(job); 529 } else { 530 r = amdgpu_job_submit(job, ring, &ring->adev->vce.entity, 531 AMDGPU_FENCE_OWNER_UNDEFINED, &f); 532 if (r) 533 goto err; 534 } 535 536 if (fence) 537 *fence = dma_fence_get(f); 538 dma_fence_put(f); 539 return 0; 540 541 err: 542 amdgpu_job_free(job); 543 return r; 544 } 545 546 /** 547 * amdgpu_vce_cs_reloc - command submission relocation 548 * 549 * @p: parser context 550 * @lo: address of lower dword 551 * @hi: address of higher dword 552 * @size: minimum size 553 * 554 * Patch relocation inside command stream with real buffer address 555 */ 556 static int amdgpu_vce_cs_reloc(struct amdgpu_cs_parser *p, uint32_t ib_idx, 557 int lo, int hi, unsigned size, uint32_t index) 558 { 559 struct amdgpu_bo_va_mapping *mapping; 560 struct amdgpu_bo *bo; 561 uint64_t addr; 562 int r; 563 564 if (index == 0xffffffff) 565 index = 0; 566 567 addr = ((uint64_t)amdgpu_get_ib_value(p, ib_idx, lo)) | 568 ((uint64_t)amdgpu_get_ib_value(p, ib_idx, hi)) << 32; 569 addr += ((uint64_t)size) * ((uint64_t)index); 570 571 r = amdgpu_cs_find_mapping(p, addr, &bo, &mapping); 572 if (r) { 573 DRM_ERROR("Can't find BO for addr 0x%010Lx %d %d %d %d\n", 574 addr, lo, hi, size, index); 575 return r; 576 } 577 578 if ((addr + (uint64_t)size) > 579 (mapping->last + 1) * AMDGPU_GPU_PAGE_SIZE) { 580 DRM_ERROR("BO to small for addr 0x%010Lx %d %d\n", 581 addr, lo, hi); 582 return -EINVAL; 583 } 584 585 addr -= mapping->start * AMDGPU_GPU_PAGE_SIZE; 586 addr += amdgpu_bo_gpu_offset(bo); 587 addr -= ((uint64_t)size) * ((uint64_t)index); 588 589 amdgpu_set_ib_value(p, ib_idx, lo, lower_32_bits(addr)); 590 amdgpu_set_ib_value(p, ib_idx, hi, upper_32_bits(addr)); 591 592 return 0; 593 } 594 595 /** 596 * amdgpu_vce_validate_handle - validate stream handle 597 * 598 * @p: parser context 599 * @handle: handle to validate 600 * @allocated: allocated a new handle? 601 * 602 * Validates the handle and return the found session index or -EINVAL 603 * we we don't have another free session index. 604 */ 605 static int amdgpu_vce_validate_handle(struct amdgpu_cs_parser *p, 606 uint32_t handle, uint32_t *allocated) 607 { 608 unsigned i; 609 610 /* validate the handle */ 611 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { 612 if (atomic_read(&p->adev->vce.handles[i]) == handle) { 613 if (p->adev->vce.filp[i] != p->filp) { 614 DRM_ERROR("VCE handle collision detected!\n"); 615 return -EINVAL; 616 } 617 return i; 618 } 619 } 620 621 /* handle not found try to alloc a new one */ 622 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { 623 if (!atomic_cmpxchg(&p->adev->vce.handles[i], 0, handle)) { 624 p->adev->vce.filp[i] = p->filp; 625 p->adev->vce.img_size[i] = 0; 626 *allocated |= 1 << i; 627 return i; 628 } 629 } 630 631 DRM_ERROR("No more free VCE handles!\n"); 632 return -EINVAL; 633 } 634 635 /** 636 * amdgpu_vce_cs_parse - parse and validate the command stream 637 * 638 * @p: parser context 639 * 640 */ 641 int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, uint32_t ib_idx) 642 { 643 struct amdgpu_ib *ib = &p->job->ibs[ib_idx]; 644 unsigned fb_idx = 0, bs_idx = 0; 645 int session_idx = -1; 646 uint32_t destroyed = 0; 647 uint32_t created = 0; 648 uint32_t allocated = 0; 649 uint32_t tmp, handle = 0; 650 uint32_t *size = &tmp; 651 int i, r = 0, idx = 0; 652 653 p->job->vm = NULL; 654 ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo); 655 656 while (idx < ib->length_dw) { 657 uint32_t len = amdgpu_get_ib_value(p, ib_idx, idx); 658 uint32_t cmd = amdgpu_get_ib_value(p, ib_idx, idx + 1); 659 660 if ((len < 8) || (len & 3)) { 661 DRM_ERROR("invalid VCE command length (%d)!\n", len); 662 r = -EINVAL; 663 goto out; 664 } 665 666 switch (cmd) { 667 case 0x00000001: /* session */ 668 handle = amdgpu_get_ib_value(p, ib_idx, idx + 2); 669 session_idx = amdgpu_vce_validate_handle(p, handle, 670 &allocated); 671 if (session_idx < 0) { 672 r = session_idx; 673 goto out; 674 } 675 size = &p->adev->vce.img_size[session_idx]; 676 break; 677 678 case 0x00000002: /* task info */ 679 fb_idx = amdgpu_get_ib_value(p, ib_idx, idx + 6); 680 bs_idx = amdgpu_get_ib_value(p, ib_idx, idx + 7); 681 break; 682 683 case 0x01000001: /* create */ 684 created |= 1 << session_idx; 685 if (destroyed & (1 << session_idx)) { 686 destroyed &= ~(1 << session_idx); 687 allocated |= 1 << session_idx; 688 689 } else if (!(allocated & (1 << session_idx))) { 690 DRM_ERROR("Handle already in use!\n"); 691 r = -EINVAL; 692 goto out; 693 } 694 695 *size = amdgpu_get_ib_value(p, ib_idx, idx + 8) * 696 amdgpu_get_ib_value(p, ib_idx, idx + 10) * 697 8 * 3 / 2; 698 break; 699 700 case 0x04000001: /* config extension */ 701 case 0x04000002: /* pic control */ 702 case 0x04000005: /* rate control */ 703 case 0x04000007: /* motion estimation */ 704 case 0x04000008: /* rdo */ 705 case 0x04000009: /* vui */ 706 case 0x05000002: /* auxiliary buffer */ 707 case 0x05000009: /* clock table */ 708 break; 709 710 case 0x0500000c: /* hw config */ 711 switch (p->adev->asic_type) { 712 #ifdef CONFIG_DRM_AMDGPU_CIK 713 case CHIP_KAVERI: 714 case CHIP_MULLINS: 715 #endif 716 case CHIP_CARRIZO: 717 break; 718 default: 719 r = -EINVAL; 720 goto out; 721 } 722 break; 723 724 case 0x03000001: /* encode */ 725 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 10, idx + 9, 726 *size, 0); 727 if (r) 728 goto out; 729 730 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 12, idx + 11, 731 *size / 3, 0); 732 if (r) 733 goto out; 734 break; 735 736 case 0x02000001: /* destroy */ 737 destroyed |= 1 << session_idx; 738 break; 739 740 case 0x05000001: /* context buffer */ 741 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2, 742 *size * 2, 0); 743 if (r) 744 goto out; 745 break; 746 747 case 0x05000004: /* video bitstream buffer */ 748 tmp = amdgpu_get_ib_value(p, ib_idx, idx + 4); 749 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2, 750 tmp, bs_idx); 751 if (r) 752 goto out; 753 break; 754 755 case 0x05000005: /* feedback buffer */ 756 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2, 757 4096, fb_idx); 758 if (r) 759 goto out; 760 break; 761 762 default: 763 DRM_ERROR("invalid VCE command (0x%x)!\n", cmd); 764 r = -EINVAL; 765 goto out; 766 } 767 768 if (session_idx == -1) { 769 DRM_ERROR("no session command at start of IB\n"); 770 r = -EINVAL; 771 goto out; 772 } 773 774 idx += len / 4; 775 } 776 777 if (allocated & ~created) { 778 DRM_ERROR("New session without create command!\n"); 779 r = -ENOENT; 780 } 781 782 out: 783 if (!r) { 784 /* No error, free all destroyed handle slots */ 785 tmp = destroyed; 786 } else { 787 /* Error during parsing, free all allocated handle slots */ 788 tmp = allocated; 789 } 790 791 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) 792 if (tmp & (1 << i)) 793 atomic_set(&p->adev->vce.handles[i], 0); 794 795 return r; 796 } 797 798 /** 799 * amdgpu_vce_cs_parse_vm - parse the command stream in VM mode 800 * 801 * @p: parser context 802 * 803 */ 804 int amdgpu_vce_ring_parse_cs_vm(struct amdgpu_cs_parser *p, uint32_t ib_idx) 805 { 806 struct amdgpu_ib *ib = &p->job->ibs[ib_idx]; 807 int session_idx = -1; 808 uint32_t destroyed = 0; 809 uint32_t created = 0; 810 uint32_t allocated = 0; 811 uint32_t tmp, handle = 0; 812 int i, r = 0, idx = 0; 813 814 while (idx < ib->length_dw) { 815 uint32_t len = amdgpu_get_ib_value(p, ib_idx, idx); 816 uint32_t cmd = amdgpu_get_ib_value(p, ib_idx, idx + 1); 817 818 if ((len < 8) || (len & 3)) { 819 DRM_ERROR("invalid VCE command length (%d)!\n", len); 820 r = -EINVAL; 821 goto out; 822 } 823 824 switch (cmd) { 825 case 0x00000001: /* session */ 826 handle = amdgpu_get_ib_value(p, ib_idx, idx + 2); 827 session_idx = amdgpu_vce_validate_handle(p, handle, 828 &allocated); 829 if (session_idx < 0) { 830 r = session_idx; 831 goto out; 832 } 833 break; 834 835 case 0x01000001: /* create */ 836 created |= 1 << session_idx; 837 if (destroyed & (1 << session_idx)) { 838 destroyed &= ~(1 << session_idx); 839 allocated |= 1 << session_idx; 840 841 } else if (!(allocated & (1 << session_idx))) { 842 DRM_ERROR("Handle already in use!\n"); 843 r = -EINVAL; 844 goto out; 845 } 846 847 break; 848 849 case 0x02000001: /* destroy */ 850 destroyed |= 1 << session_idx; 851 break; 852 853 default: 854 break; 855 } 856 857 if (session_idx == -1) { 858 DRM_ERROR("no session command at start of IB\n"); 859 r = -EINVAL; 860 goto out; 861 } 862 863 idx += len / 4; 864 } 865 866 if (allocated & ~created) { 867 DRM_ERROR("New session without create command!\n"); 868 r = -ENOENT; 869 } 870 871 out: 872 if (!r) { 873 /* No error, free all destroyed handle slots */ 874 tmp = destroyed; 875 amdgpu_ib_free(p->adev, ib, NULL); 876 } else { 877 /* Error during parsing, free all allocated handle slots */ 878 tmp = allocated; 879 } 880 881 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) 882 if (tmp & (1 << i)) 883 atomic_set(&p->adev->vce.handles[i], 0); 884 885 return r; 886 } 887 888 /** 889 * amdgpu_vce_ring_emit_ib - execute indirect buffer 890 * 891 * @ring: engine to use 892 * @ib: the IB to execute 893 * 894 */ 895 void amdgpu_vce_ring_emit_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib, 896 unsigned vm_id, bool ctx_switch) 897 { 898 amdgpu_ring_write(ring, VCE_CMD_IB); 899 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)); 900 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 901 amdgpu_ring_write(ring, ib->length_dw); 902 } 903 904 /** 905 * amdgpu_vce_ring_emit_fence - add a fence command to the ring 906 * 907 * @ring: engine to use 908 * @fence: the fence 909 * 910 */ 911 void amdgpu_vce_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, 912 unsigned flags) 913 { 914 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT); 915 916 amdgpu_ring_write(ring, VCE_CMD_FENCE); 917 amdgpu_ring_write(ring, addr); 918 amdgpu_ring_write(ring, upper_32_bits(addr)); 919 amdgpu_ring_write(ring, seq); 920 amdgpu_ring_write(ring, VCE_CMD_TRAP); 921 amdgpu_ring_write(ring, VCE_CMD_END); 922 } 923 924 /** 925 * amdgpu_vce_ring_test_ring - test if VCE ring is working 926 * 927 * @ring: the engine to test on 928 * 929 */ 930 int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring) 931 { 932 struct amdgpu_device *adev = ring->adev; 933 uint32_t rptr = amdgpu_ring_get_rptr(ring); 934 unsigned i; 935 int r, timeout = adev->usec_timeout; 936 937 /* skip ring test for sriov*/ 938 if (amdgpu_sriov_vf(adev)) 939 return 0; 940 941 r = amdgpu_ring_alloc(ring, 16); 942 if (r) { 943 DRM_ERROR("amdgpu: vce failed to lock ring %d (%d).\n", 944 ring->idx, r); 945 return r; 946 } 947 amdgpu_ring_write(ring, VCE_CMD_END); 948 amdgpu_ring_commit(ring); 949 950 for (i = 0; i < timeout; i++) { 951 if (amdgpu_ring_get_rptr(ring) != rptr) 952 break; 953 DRM_UDELAY(1); 954 } 955 956 if (i < timeout) { 957 DRM_INFO("ring test on %d succeeded in %d usecs\n", 958 ring->idx, i); 959 } else { 960 DRM_ERROR("amdgpu: ring %d test failed\n", 961 ring->idx); 962 r = -ETIMEDOUT; 963 } 964 965 return r; 966 } 967 968 /** 969 * amdgpu_vce_ring_test_ib - test if VCE IBs are working 970 * 971 * @ring: the engine to test on 972 * 973 */ 974 int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout) 975 { 976 struct dma_fence *fence = NULL; 977 long r; 978 979 /* skip vce ring1/2 ib test for now, since it's not reliable */ 980 if (ring != &ring->adev->vce.ring[0]) 981 return 0; 982 983 r = amdgpu_vce_get_create_msg(ring, 1, NULL); 984 if (r) { 985 DRM_ERROR("amdgpu: failed to get create msg (%ld).\n", r); 986 goto error; 987 } 988 989 r = amdgpu_vce_get_destroy_msg(ring, 1, true, &fence); 990 if (r) { 991 DRM_ERROR("amdgpu: failed to get destroy ib (%ld).\n", r); 992 goto error; 993 } 994 995 r = dma_fence_wait_timeout(fence, false, timeout); 996 if (r == 0) { 997 DRM_ERROR("amdgpu: IB test timed out.\n"); 998 r = -ETIMEDOUT; 999 } else if (r < 0) { 1000 DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r); 1001 } else { 1002 DRM_INFO("ib test on ring %d succeeded\n", ring->idx); 1003 r = 0; 1004 } 1005 error: 1006 dma_fence_put(fence); 1007 return r; 1008 } 1009