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 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 "amdgpu/bonaire_vce.bin" 44 #define FIRMWARE_KABINI "amdgpu/kabini_vce.bin" 45 #define FIRMWARE_KAVERI "amdgpu/kaveri_vce.bin" 46 #define FIRMWARE_HAWAII "amdgpu/hawaii_vce.bin" 47 #define FIRMWARE_MULLINS "amdgpu/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 #define FIRMWARE_VEGAM "amdgpu/vegam_vce.bin" 57 58 #define FIRMWARE_VEGA10 "amdgpu/vega10_vce.bin" 59 #define FIRMWARE_VEGA12 "amdgpu/vega12_vce.bin" 60 #define FIRMWARE_VEGA20 "amdgpu/vega20_vce.bin" 61 62 #ifdef CONFIG_DRM_AMDGPU_CIK 63 MODULE_FIRMWARE(FIRMWARE_BONAIRE); 64 MODULE_FIRMWARE(FIRMWARE_KABINI); 65 MODULE_FIRMWARE(FIRMWARE_KAVERI); 66 MODULE_FIRMWARE(FIRMWARE_HAWAII); 67 MODULE_FIRMWARE(FIRMWARE_MULLINS); 68 #endif 69 MODULE_FIRMWARE(FIRMWARE_TONGA); 70 MODULE_FIRMWARE(FIRMWARE_CARRIZO); 71 MODULE_FIRMWARE(FIRMWARE_FIJI); 72 MODULE_FIRMWARE(FIRMWARE_STONEY); 73 MODULE_FIRMWARE(FIRMWARE_POLARIS10); 74 MODULE_FIRMWARE(FIRMWARE_POLARIS11); 75 MODULE_FIRMWARE(FIRMWARE_POLARIS12); 76 MODULE_FIRMWARE(FIRMWARE_VEGAM); 77 78 MODULE_FIRMWARE(FIRMWARE_VEGA10); 79 MODULE_FIRMWARE(FIRMWARE_VEGA12); 80 MODULE_FIRMWARE(FIRMWARE_VEGA20); 81 82 static void amdgpu_vce_idle_work_handler(struct work_struct *work); 83 static int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, 84 struct amdgpu_bo *bo, 85 struct dma_fence **fence); 86 static int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, 87 bool direct, struct dma_fence **fence); 88 89 /** 90 * amdgpu_vce_init - allocate memory, load vce firmware 91 * 92 * @adev: amdgpu_device pointer 93 * @size: size for the new BO 94 * 95 * First step to get VCE online, allocate memory and load the firmware 96 */ 97 int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size) 98 { 99 const char *fw_name; 100 const struct common_firmware_header *hdr; 101 unsigned ucode_version, version_major, version_minor, binary_id; 102 int i, r; 103 104 switch (adev->asic_type) { 105 #ifdef CONFIG_DRM_AMDGPU_CIK 106 case CHIP_BONAIRE: 107 fw_name = FIRMWARE_BONAIRE; 108 break; 109 case CHIP_KAVERI: 110 fw_name = FIRMWARE_KAVERI; 111 break; 112 case CHIP_KABINI: 113 fw_name = FIRMWARE_KABINI; 114 break; 115 case CHIP_HAWAII: 116 fw_name = FIRMWARE_HAWAII; 117 break; 118 case CHIP_MULLINS: 119 fw_name = FIRMWARE_MULLINS; 120 break; 121 #endif 122 case CHIP_TONGA: 123 fw_name = FIRMWARE_TONGA; 124 break; 125 case CHIP_CARRIZO: 126 fw_name = FIRMWARE_CARRIZO; 127 break; 128 case CHIP_FIJI: 129 fw_name = FIRMWARE_FIJI; 130 break; 131 case CHIP_STONEY: 132 fw_name = FIRMWARE_STONEY; 133 break; 134 case CHIP_POLARIS10: 135 fw_name = FIRMWARE_POLARIS10; 136 break; 137 case CHIP_POLARIS11: 138 fw_name = FIRMWARE_POLARIS11; 139 break; 140 case CHIP_POLARIS12: 141 fw_name = FIRMWARE_POLARIS12; 142 break; 143 case CHIP_VEGAM: 144 fw_name = FIRMWARE_VEGAM; 145 break; 146 case CHIP_VEGA10: 147 fw_name = FIRMWARE_VEGA10; 148 break; 149 case CHIP_VEGA12: 150 fw_name = FIRMWARE_VEGA12; 151 break; 152 case CHIP_VEGA20: 153 fw_name = FIRMWARE_VEGA20; 154 break; 155 156 default: 157 return -EINVAL; 158 } 159 160 r = request_firmware(&adev->vce.fw, fw_name, adev->dev); 161 if (r) { 162 dev_err(adev->dev, "amdgpu_vce: Can't load firmware \"%s\"\n", 163 fw_name); 164 return r; 165 } 166 167 r = amdgpu_ucode_validate(adev->vce.fw); 168 if (r) { 169 dev_err(adev->dev, "amdgpu_vce: Can't validate firmware \"%s\"\n", 170 fw_name); 171 release_firmware(adev->vce.fw); 172 adev->vce.fw = NULL; 173 return r; 174 } 175 176 hdr = (const struct common_firmware_header *)adev->vce.fw->data; 177 178 ucode_version = le32_to_cpu(hdr->ucode_version); 179 version_major = (ucode_version >> 20) & 0xfff; 180 version_minor = (ucode_version >> 8) & 0xfff; 181 binary_id = ucode_version & 0xff; 182 DRM_INFO("Found VCE firmware Version: %d.%d Binary ID: %d\n", 183 version_major, version_minor, binary_id); 184 adev->vce.fw_version = ((version_major << 24) | (version_minor << 16) | 185 (binary_id << 8)); 186 187 r = amdgpu_bo_create_kernel(adev, size, PAGE_SIZE, 188 AMDGPU_GEM_DOMAIN_VRAM, &adev->vce.vcpu_bo, 189 &adev->vce.gpu_addr, &adev->vce.cpu_addr); 190 if (r) { 191 dev_err(adev->dev, "(%d) failed to allocate VCE bo\n", r); 192 return r; 193 } 194 195 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { 196 atomic_set(&adev->vce.handles[i], 0); 197 adev->vce.filp[i] = NULL; 198 } 199 200 INIT_DELAYED_WORK(&adev->vce.idle_work, amdgpu_vce_idle_work_handler); 201 mutex_init(&adev->vce.idle_mutex); 202 203 return 0; 204 } 205 206 /** 207 * amdgpu_vce_fini - free memory 208 * 209 * @adev: amdgpu_device pointer 210 * 211 * Last step on VCE teardown, free firmware memory 212 */ 213 int amdgpu_vce_sw_fini(struct amdgpu_device *adev) 214 { 215 unsigned i; 216 217 if (adev->vce.vcpu_bo == NULL) 218 return 0; 219 220 cancel_delayed_work_sync(&adev->vce.idle_work); 221 drm_sched_entity_destroy(&adev->vce.entity); 222 223 amdgpu_bo_free_kernel(&adev->vce.vcpu_bo, &adev->vce.gpu_addr, 224 (void **)&adev->vce.cpu_addr); 225 226 for (i = 0; i < adev->vce.num_rings; i++) 227 amdgpu_ring_fini(&adev->vce.ring[i]); 228 229 release_firmware(adev->vce.fw); 230 mutex_destroy(&adev->vce.idle_mutex); 231 232 return 0; 233 } 234 235 /** 236 * amdgpu_vce_entity_init - init entity 237 * 238 * @adev: amdgpu_device pointer 239 * 240 */ 241 int amdgpu_vce_entity_init(struct amdgpu_device *adev) 242 { 243 struct amdgpu_ring *ring; 244 struct drm_gpu_scheduler *sched; 245 int r; 246 247 ring = &adev->vce.ring[0]; 248 sched = &ring->sched; 249 r = drm_sched_entity_init(&adev->vce.entity, DRM_SCHED_PRIORITY_NORMAL, 250 &sched, 1, NULL); 251 if (r != 0) { 252 DRM_ERROR("Failed setting up VCE run queue.\n"); 253 return r; 254 } 255 256 return 0; 257 } 258 259 /** 260 * amdgpu_vce_suspend - unpin VCE fw memory 261 * 262 * @adev: amdgpu_device pointer 263 * 264 */ 265 int amdgpu_vce_suspend(struct amdgpu_device *adev) 266 { 267 int i; 268 269 cancel_delayed_work_sync(&adev->vce.idle_work); 270 271 if (adev->vce.vcpu_bo == NULL) 272 return 0; 273 274 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) 275 if (atomic_read(&adev->vce.handles[i])) 276 break; 277 278 if (i == AMDGPU_MAX_VCE_HANDLES) 279 return 0; 280 281 /* TODO: suspending running encoding sessions isn't supported */ 282 return -EINVAL; 283 } 284 285 /** 286 * amdgpu_vce_resume - pin VCE fw memory 287 * 288 * @adev: amdgpu_device pointer 289 * 290 */ 291 int amdgpu_vce_resume(struct amdgpu_device *adev) 292 { 293 void *cpu_addr; 294 const struct common_firmware_header *hdr; 295 unsigned offset; 296 int r; 297 298 if (adev->vce.vcpu_bo == NULL) 299 return -EINVAL; 300 301 r = amdgpu_bo_reserve(adev->vce.vcpu_bo, false); 302 if (r) { 303 dev_err(adev->dev, "(%d) failed to reserve VCE bo\n", r); 304 return r; 305 } 306 307 r = amdgpu_bo_kmap(adev->vce.vcpu_bo, &cpu_addr); 308 if (r) { 309 amdgpu_bo_unreserve(adev->vce.vcpu_bo); 310 dev_err(adev->dev, "(%d) VCE map failed\n", r); 311 return r; 312 } 313 314 hdr = (const struct common_firmware_header *)adev->vce.fw->data; 315 offset = le32_to_cpu(hdr->ucode_array_offset_bytes); 316 memcpy_toio(cpu_addr, adev->vce.fw->data + offset, 317 adev->vce.fw->size - offset); 318 319 amdgpu_bo_kunmap(adev->vce.vcpu_bo); 320 321 amdgpu_bo_unreserve(adev->vce.vcpu_bo); 322 323 return 0; 324 } 325 326 /** 327 * amdgpu_vce_idle_work_handler - power off VCE 328 * 329 * @work: pointer to work structure 330 * 331 * power of VCE when it's not used any more 332 */ 333 static void amdgpu_vce_idle_work_handler(struct work_struct *work) 334 { 335 struct amdgpu_device *adev = 336 container_of(work, struct amdgpu_device, vce.idle_work.work); 337 unsigned i, count = 0; 338 339 for (i = 0; i < adev->vce.num_rings; i++) 340 count += amdgpu_fence_count_emitted(&adev->vce.ring[i]); 341 342 if (count == 0) { 343 if (adev->pm.dpm_enabled) { 344 amdgpu_dpm_enable_vce(adev, false); 345 } else { 346 amdgpu_asic_set_vce_clocks(adev, 0, 0); 347 amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE, 348 AMD_PG_STATE_GATE); 349 amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE, 350 AMD_CG_STATE_GATE); 351 } 352 } else { 353 schedule_delayed_work(&adev->vce.idle_work, VCE_IDLE_TIMEOUT); 354 } 355 } 356 357 /** 358 * amdgpu_vce_ring_begin_use - power up VCE 359 * 360 * @ring: amdgpu ring 361 * 362 * Make sure VCE is powerd up when we want to use it 363 */ 364 void amdgpu_vce_ring_begin_use(struct amdgpu_ring *ring) 365 { 366 struct amdgpu_device *adev = ring->adev; 367 bool set_clocks; 368 369 if (amdgpu_sriov_vf(adev)) 370 return; 371 372 mutex_lock(&adev->vce.idle_mutex); 373 set_clocks = !cancel_delayed_work_sync(&adev->vce.idle_work); 374 if (set_clocks) { 375 if (adev->pm.dpm_enabled) { 376 amdgpu_dpm_enable_vce(adev, true); 377 } else { 378 amdgpu_asic_set_vce_clocks(adev, 53300, 40000); 379 amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE, 380 AMD_CG_STATE_UNGATE); 381 amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE, 382 AMD_PG_STATE_UNGATE); 383 384 } 385 } 386 mutex_unlock(&adev->vce.idle_mutex); 387 } 388 389 /** 390 * amdgpu_vce_ring_end_use - power VCE down 391 * 392 * @ring: amdgpu ring 393 * 394 * Schedule work to power VCE down again 395 */ 396 void amdgpu_vce_ring_end_use(struct amdgpu_ring *ring) 397 { 398 if (!amdgpu_sriov_vf(ring->adev)) 399 schedule_delayed_work(&ring->adev->vce.idle_work, VCE_IDLE_TIMEOUT); 400 } 401 402 /** 403 * amdgpu_vce_free_handles - free still open VCE handles 404 * 405 * @adev: amdgpu_device pointer 406 * @filp: drm file pointer 407 * 408 * Close all VCE handles still open by this file pointer 409 */ 410 void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp) 411 { 412 struct amdgpu_ring *ring = &adev->vce.ring[0]; 413 int i, r; 414 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { 415 uint32_t handle = atomic_read(&adev->vce.handles[i]); 416 417 if (!handle || adev->vce.filp[i] != filp) 418 continue; 419 420 r = amdgpu_vce_get_destroy_msg(ring, handle, false, NULL); 421 if (r) 422 DRM_ERROR("Error destroying VCE handle (%d)!\n", r); 423 424 adev->vce.filp[i] = NULL; 425 atomic_set(&adev->vce.handles[i], 0); 426 } 427 } 428 429 /** 430 * amdgpu_vce_get_create_msg - generate a VCE create msg 431 * 432 * @ring: ring we should submit the msg to 433 * @handle: VCE session handle to use 434 * @bo: amdgpu object for which we query the offset 435 * @fence: optional fence to return 436 * 437 * Open up a stream for HW test 438 */ 439 static int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, 440 struct amdgpu_bo *bo, 441 struct dma_fence **fence) 442 { 443 const unsigned ib_size_dw = 1024; 444 struct amdgpu_job *job; 445 struct amdgpu_ib *ib; 446 struct dma_fence *f = NULL; 447 uint64_t addr; 448 int i, r; 449 450 r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, 451 AMDGPU_IB_POOL_DIRECT, &job); 452 if (r) 453 return r; 454 455 ib = &job->ibs[0]; 456 457 addr = amdgpu_bo_gpu_offset(bo); 458 459 /* stitch together an VCE create msg */ 460 ib->length_dw = 0; 461 ib->ptr[ib->length_dw++] = 0x0000000c; /* len */ 462 ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */ 463 ib->ptr[ib->length_dw++] = handle; 464 465 if ((ring->adev->vce.fw_version >> 24) >= 52) 466 ib->ptr[ib->length_dw++] = 0x00000040; /* len */ 467 else 468 ib->ptr[ib->length_dw++] = 0x00000030; /* len */ 469 ib->ptr[ib->length_dw++] = 0x01000001; /* create cmd */ 470 ib->ptr[ib->length_dw++] = 0x00000000; 471 ib->ptr[ib->length_dw++] = 0x00000042; 472 ib->ptr[ib->length_dw++] = 0x0000000a; 473 ib->ptr[ib->length_dw++] = 0x00000001; 474 ib->ptr[ib->length_dw++] = 0x00000080; 475 ib->ptr[ib->length_dw++] = 0x00000060; 476 ib->ptr[ib->length_dw++] = 0x00000100; 477 ib->ptr[ib->length_dw++] = 0x00000100; 478 ib->ptr[ib->length_dw++] = 0x0000000c; 479 ib->ptr[ib->length_dw++] = 0x00000000; 480 if ((ring->adev->vce.fw_version >> 24) >= 52) { 481 ib->ptr[ib->length_dw++] = 0x00000000; 482 ib->ptr[ib->length_dw++] = 0x00000000; 483 ib->ptr[ib->length_dw++] = 0x00000000; 484 ib->ptr[ib->length_dw++] = 0x00000000; 485 } 486 487 ib->ptr[ib->length_dw++] = 0x00000014; /* len */ 488 ib->ptr[ib->length_dw++] = 0x05000005; /* feedback buffer */ 489 ib->ptr[ib->length_dw++] = upper_32_bits(addr); 490 ib->ptr[ib->length_dw++] = addr; 491 ib->ptr[ib->length_dw++] = 0x00000001; 492 493 for (i = ib->length_dw; i < ib_size_dw; ++i) 494 ib->ptr[i] = 0x0; 495 496 r = amdgpu_job_submit_direct(job, ring, &f); 497 if (r) 498 goto err; 499 500 if (fence) 501 *fence = dma_fence_get(f); 502 dma_fence_put(f); 503 return 0; 504 505 err: 506 amdgpu_job_free(job); 507 return r; 508 } 509 510 /** 511 * amdgpu_vce_get_destroy_msg - generate a VCE destroy msg 512 * 513 * @ring: ring we should submit the msg to 514 * @handle: VCE session handle to use 515 * @direct: direct or delayed pool 516 * @fence: optional fence to return 517 * 518 * Close up a stream for HW test or if userspace failed to do so 519 */ 520 static int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, 521 bool direct, struct dma_fence **fence) 522 { 523 const unsigned ib_size_dw = 1024; 524 struct amdgpu_job *job; 525 struct amdgpu_ib *ib; 526 struct dma_fence *f = NULL; 527 int i, r; 528 529 r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, 530 direct ? AMDGPU_IB_POOL_DIRECT : 531 AMDGPU_IB_POOL_DELAYED, &job); 532 if (r) 533 return r; 534 535 ib = &job->ibs[0]; 536 537 /* stitch together an VCE destroy msg */ 538 ib->length_dw = 0; 539 ib->ptr[ib->length_dw++] = 0x0000000c; /* len */ 540 ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */ 541 ib->ptr[ib->length_dw++] = handle; 542 543 ib->ptr[ib->length_dw++] = 0x00000020; /* len */ 544 ib->ptr[ib->length_dw++] = 0x00000002; /* task info */ 545 ib->ptr[ib->length_dw++] = 0xffffffff; /* next task info, set to 0xffffffff if no */ 546 ib->ptr[ib->length_dw++] = 0x00000001; /* destroy session */ 547 ib->ptr[ib->length_dw++] = 0x00000000; 548 ib->ptr[ib->length_dw++] = 0x00000000; 549 ib->ptr[ib->length_dw++] = 0xffffffff; /* feedback is not needed, set to 0xffffffff and firmware will not output feedback */ 550 ib->ptr[ib->length_dw++] = 0x00000000; 551 552 ib->ptr[ib->length_dw++] = 0x00000008; /* len */ 553 ib->ptr[ib->length_dw++] = 0x02000001; /* destroy cmd */ 554 555 for (i = ib->length_dw; i < ib_size_dw; ++i) 556 ib->ptr[i] = 0x0; 557 558 if (direct) 559 r = amdgpu_job_submit_direct(job, ring, &f); 560 else 561 r = amdgpu_job_submit(job, &ring->adev->vce.entity, 562 AMDGPU_FENCE_OWNER_UNDEFINED, &f); 563 if (r) 564 goto err; 565 566 if (fence) 567 *fence = dma_fence_get(f); 568 dma_fence_put(f); 569 return 0; 570 571 err: 572 amdgpu_job_free(job); 573 return r; 574 } 575 576 /** 577 * amdgpu_vce_cs_validate_bo - make sure not to cross 4GB boundary 578 * 579 * @p: parser context 580 * @ib_idx: indirect buffer to use 581 * @lo: address of lower dword 582 * @hi: address of higher dword 583 * @size: minimum size 584 * @index: bs/fb index 585 * 586 * Make sure that no BO cross a 4GB boundary. 587 */ 588 static int amdgpu_vce_validate_bo(struct amdgpu_cs_parser *p, uint32_t ib_idx, 589 int lo, int hi, unsigned size, int32_t index) 590 { 591 int64_t offset = ((uint64_t)size) * ((int64_t)index); 592 struct ttm_operation_ctx ctx = { false, false }; 593 struct amdgpu_bo_va_mapping *mapping; 594 unsigned i, fpfn, lpfn; 595 struct amdgpu_bo *bo; 596 uint64_t addr; 597 int r; 598 599 addr = ((uint64_t)amdgpu_get_ib_value(p, ib_idx, lo)) | 600 ((uint64_t)amdgpu_get_ib_value(p, ib_idx, hi)) << 32; 601 if (index >= 0) { 602 addr += offset; 603 fpfn = PAGE_ALIGN(offset) >> PAGE_SHIFT; 604 lpfn = 0x100000000ULL >> PAGE_SHIFT; 605 } else { 606 fpfn = 0; 607 lpfn = (0x100000000ULL - PAGE_ALIGN(offset)) >> PAGE_SHIFT; 608 } 609 610 r = amdgpu_cs_find_mapping(p, addr, &bo, &mapping); 611 if (r) { 612 DRM_ERROR("Can't find BO for addr 0x%010Lx %d %d %d %d\n", 613 addr, lo, hi, size, index); 614 return r; 615 } 616 617 for (i = 0; i < bo->placement.num_placement; ++i) { 618 bo->placements[i].fpfn = max(bo->placements[i].fpfn, fpfn); 619 bo->placements[i].lpfn = bo->placements[i].lpfn ? 620 min(bo->placements[i].lpfn, lpfn) : lpfn; 621 } 622 return ttm_bo_validate(&bo->tbo, &bo->placement, &ctx); 623 } 624 625 626 /** 627 * amdgpu_vce_cs_reloc - command submission relocation 628 * 629 * @p: parser context 630 * @ib_idx: indirect buffer to use 631 * @lo: address of lower dword 632 * @hi: address of higher dword 633 * @size: minimum size 634 * @index: bs/fb index 635 * 636 * Patch relocation inside command stream with real buffer address 637 */ 638 static int amdgpu_vce_cs_reloc(struct amdgpu_cs_parser *p, uint32_t ib_idx, 639 int lo, int hi, unsigned size, uint32_t index) 640 { 641 struct amdgpu_bo_va_mapping *mapping; 642 struct amdgpu_bo *bo; 643 uint64_t addr; 644 int r; 645 646 if (index == 0xffffffff) 647 index = 0; 648 649 addr = ((uint64_t)amdgpu_get_ib_value(p, ib_idx, lo)) | 650 ((uint64_t)amdgpu_get_ib_value(p, ib_idx, hi)) << 32; 651 addr += ((uint64_t)size) * ((uint64_t)index); 652 653 r = amdgpu_cs_find_mapping(p, addr, &bo, &mapping); 654 if (r) { 655 DRM_ERROR("Can't find BO for addr 0x%010Lx %d %d %d %d\n", 656 addr, lo, hi, size, index); 657 return r; 658 } 659 660 if ((addr + (uint64_t)size) > 661 (mapping->last + 1) * AMDGPU_GPU_PAGE_SIZE) { 662 DRM_ERROR("BO too small for addr 0x%010Lx %d %d\n", 663 addr, lo, hi); 664 return -EINVAL; 665 } 666 667 addr -= mapping->start * AMDGPU_GPU_PAGE_SIZE; 668 addr += amdgpu_bo_gpu_offset(bo); 669 addr -= ((uint64_t)size) * ((uint64_t)index); 670 671 amdgpu_set_ib_value(p, ib_idx, lo, lower_32_bits(addr)); 672 amdgpu_set_ib_value(p, ib_idx, hi, upper_32_bits(addr)); 673 674 return 0; 675 } 676 677 /** 678 * amdgpu_vce_validate_handle - validate stream handle 679 * 680 * @p: parser context 681 * @handle: handle to validate 682 * @allocated: allocated a new handle? 683 * 684 * Validates the handle and return the found session index or -EINVAL 685 * we we don't have another free session index. 686 */ 687 static int amdgpu_vce_validate_handle(struct amdgpu_cs_parser *p, 688 uint32_t handle, uint32_t *allocated) 689 { 690 unsigned i; 691 692 /* validate the handle */ 693 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { 694 if (atomic_read(&p->adev->vce.handles[i]) == handle) { 695 if (p->adev->vce.filp[i] != p->filp) { 696 DRM_ERROR("VCE handle collision detected!\n"); 697 return -EINVAL; 698 } 699 return i; 700 } 701 } 702 703 /* handle not found try to alloc a new one */ 704 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { 705 if (!atomic_cmpxchg(&p->adev->vce.handles[i], 0, handle)) { 706 p->adev->vce.filp[i] = p->filp; 707 p->adev->vce.img_size[i] = 0; 708 *allocated |= 1 << i; 709 return i; 710 } 711 } 712 713 DRM_ERROR("No more free VCE handles!\n"); 714 return -EINVAL; 715 } 716 717 /** 718 * amdgpu_vce_cs_parse - parse and validate the command stream 719 * 720 * @p: parser context 721 * @ib_idx: indirect buffer to use 722 */ 723 int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, uint32_t ib_idx) 724 { 725 struct amdgpu_ib *ib = &p->job->ibs[ib_idx]; 726 unsigned fb_idx = 0, bs_idx = 0; 727 int session_idx = -1; 728 uint32_t destroyed = 0; 729 uint32_t created = 0; 730 uint32_t allocated = 0; 731 uint32_t tmp, handle = 0; 732 uint32_t *size = &tmp; 733 unsigned idx; 734 int i, r = 0; 735 736 p->job->vm = NULL; 737 ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo); 738 739 for (idx = 0; idx < ib->length_dw;) { 740 uint32_t len = amdgpu_get_ib_value(p, ib_idx, idx); 741 uint32_t cmd = amdgpu_get_ib_value(p, ib_idx, idx + 1); 742 743 if ((len < 8) || (len & 3)) { 744 DRM_ERROR("invalid VCE command length (%d)!\n", len); 745 r = -EINVAL; 746 goto out; 747 } 748 749 switch (cmd) { 750 case 0x00000002: /* task info */ 751 fb_idx = amdgpu_get_ib_value(p, ib_idx, idx + 6); 752 bs_idx = amdgpu_get_ib_value(p, ib_idx, idx + 7); 753 break; 754 755 case 0x03000001: /* encode */ 756 r = amdgpu_vce_validate_bo(p, ib_idx, idx + 10, 757 idx + 9, 0, 0); 758 if (r) 759 goto out; 760 761 r = amdgpu_vce_validate_bo(p, ib_idx, idx + 12, 762 idx + 11, 0, 0); 763 if (r) 764 goto out; 765 break; 766 767 case 0x05000001: /* context buffer */ 768 r = amdgpu_vce_validate_bo(p, ib_idx, idx + 3, 769 idx + 2, 0, 0); 770 if (r) 771 goto out; 772 break; 773 774 case 0x05000004: /* video bitstream buffer */ 775 tmp = amdgpu_get_ib_value(p, ib_idx, idx + 4); 776 r = amdgpu_vce_validate_bo(p, ib_idx, idx + 3, idx + 2, 777 tmp, bs_idx); 778 if (r) 779 goto out; 780 break; 781 782 case 0x05000005: /* feedback buffer */ 783 r = amdgpu_vce_validate_bo(p, ib_idx, idx + 3, idx + 2, 784 4096, fb_idx); 785 if (r) 786 goto out; 787 break; 788 789 case 0x0500000d: /* MV buffer */ 790 r = amdgpu_vce_validate_bo(p, ib_idx, idx + 3, 791 idx + 2, 0, 0); 792 if (r) 793 goto out; 794 795 r = amdgpu_vce_validate_bo(p, ib_idx, idx + 8, 796 idx + 7, 0, 0); 797 if (r) 798 goto out; 799 break; 800 } 801 802 idx += len / 4; 803 } 804 805 for (idx = 0; idx < ib->length_dw;) { 806 uint32_t len = amdgpu_get_ib_value(p, ib_idx, idx); 807 uint32_t cmd = amdgpu_get_ib_value(p, ib_idx, idx + 1); 808 809 switch (cmd) { 810 case 0x00000001: /* session */ 811 handle = amdgpu_get_ib_value(p, ib_idx, idx + 2); 812 session_idx = amdgpu_vce_validate_handle(p, handle, 813 &allocated); 814 if (session_idx < 0) { 815 r = session_idx; 816 goto out; 817 } 818 size = &p->adev->vce.img_size[session_idx]; 819 break; 820 821 case 0x00000002: /* task info */ 822 fb_idx = amdgpu_get_ib_value(p, ib_idx, idx + 6); 823 bs_idx = amdgpu_get_ib_value(p, ib_idx, idx + 7); 824 break; 825 826 case 0x01000001: /* create */ 827 created |= 1 << session_idx; 828 if (destroyed & (1 << session_idx)) { 829 destroyed &= ~(1 << session_idx); 830 allocated |= 1 << session_idx; 831 832 } else if (!(allocated & (1 << session_idx))) { 833 DRM_ERROR("Handle already in use!\n"); 834 r = -EINVAL; 835 goto out; 836 } 837 838 *size = amdgpu_get_ib_value(p, ib_idx, idx + 8) * 839 amdgpu_get_ib_value(p, ib_idx, idx + 10) * 840 8 * 3 / 2; 841 break; 842 843 case 0x04000001: /* config extension */ 844 case 0x04000002: /* pic control */ 845 case 0x04000005: /* rate control */ 846 case 0x04000007: /* motion estimation */ 847 case 0x04000008: /* rdo */ 848 case 0x04000009: /* vui */ 849 case 0x05000002: /* auxiliary buffer */ 850 case 0x05000009: /* clock table */ 851 break; 852 853 case 0x0500000c: /* hw config */ 854 switch (p->adev->asic_type) { 855 #ifdef CONFIG_DRM_AMDGPU_CIK 856 case CHIP_KAVERI: 857 case CHIP_MULLINS: 858 #endif 859 case CHIP_CARRIZO: 860 break; 861 default: 862 r = -EINVAL; 863 goto out; 864 } 865 break; 866 867 case 0x03000001: /* encode */ 868 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 10, idx + 9, 869 *size, 0); 870 if (r) 871 goto out; 872 873 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 12, idx + 11, 874 *size / 3, 0); 875 if (r) 876 goto out; 877 break; 878 879 case 0x02000001: /* destroy */ 880 destroyed |= 1 << session_idx; 881 break; 882 883 case 0x05000001: /* context buffer */ 884 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2, 885 *size * 2, 0); 886 if (r) 887 goto out; 888 break; 889 890 case 0x05000004: /* video bitstream buffer */ 891 tmp = amdgpu_get_ib_value(p, ib_idx, idx + 4); 892 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2, 893 tmp, bs_idx); 894 if (r) 895 goto out; 896 break; 897 898 case 0x05000005: /* feedback buffer */ 899 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2, 900 4096, fb_idx); 901 if (r) 902 goto out; 903 break; 904 905 case 0x0500000d: /* MV buffer */ 906 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, 907 idx + 2, *size, 0); 908 if (r) 909 goto out; 910 911 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 8, 912 idx + 7, *size / 12, 0); 913 if (r) 914 goto out; 915 break; 916 917 default: 918 DRM_ERROR("invalid VCE command (0x%x)!\n", cmd); 919 r = -EINVAL; 920 goto out; 921 } 922 923 if (session_idx == -1) { 924 DRM_ERROR("no session command at start of IB\n"); 925 r = -EINVAL; 926 goto out; 927 } 928 929 idx += len / 4; 930 } 931 932 if (allocated & ~created) { 933 DRM_ERROR("New session without create command!\n"); 934 r = -ENOENT; 935 } 936 937 out: 938 if (!r) { 939 /* No error, free all destroyed handle slots */ 940 tmp = destroyed; 941 } else { 942 /* Error during parsing, free all allocated handle slots */ 943 tmp = allocated; 944 } 945 946 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) 947 if (tmp & (1 << i)) 948 atomic_set(&p->adev->vce.handles[i], 0); 949 950 return r; 951 } 952 953 /** 954 * amdgpu_vce_cs_parse_vm - parse the command stream in VM mode 955 * 956 * @p: parser context 957 * @ib_idx: indirect buffer to use 958 */ 959 int amdgpu_vce_ring_parse_cs_vm(struct amdgpu_cs_parser *p, uint32_t ib_idx) 960 { 961 struct amdgpu_ib *ib = &p->job->ibs[ib_idx]; 962 int session_idx = -1; 963 uint32_t destroyed = 0; 964 uint32_t created = 0; 965 uint32_t allocated = 0; 966 uint32_t tmp, handle = 0; 967 int i, r = 0, idx = 0; 968 969 while (idx < ib->length_dw) { 970 uint32_t len = amdgpu_get_ib_value(p, ib_idx, idx); 971 uint32_t cmd = amdgpu_get_ib_value(p, ib_idx, idx + 1); 972 973 if ((len < 8) || (len & 3)) { 974 DRM_ERROR("invalid VCE command length (%d)!\n", len); 975 r = -EINVAL; 976 goto out; 977 } 978 979 switch (cmd) { 980 case 0x00000001: /* session */ 981 handle = amdgpu_get_ib_value(p, ib_idx, idx + 2); 982 session_idx = amdgpu_vce_validate_handle(p, handle, 983 &allocated); 984 if (session_idx < 0) { 985 r = session_idx; 986 goto out; 987 } 988 break; 989 990 case 0x01000001: /* create */ 991 created |= 1 << session_idx; 992 if (destroyed & (1 << session_idx)) { 993 destroyed &= ~(1 << session_idx); 994 allocated |= 1 << session_idx; 995 996 } else if (!(allocated & (1 << session_idx))) { 997 DRM_ERROR("Handle already in use!\n"); 998 r = -EINVAL; 999 goto out; 1000 } 1001 1002 break; 1003 1004 case 0x02000001: /* destroy */ 1005 destroyed |= 1 << session_idx; 1006 break; 1007 1008 default: 1009 break; 1010 } 1011 1012 if (session_idx == -1) { 1013 DRM_ERROR("no session command at start of IB\n"); 1014 r = -EINVAL; 1015 goto out; 1016 } 1017 1018 idx += len / 4; 1019 } 1020 1021 if (allocated & ~created) { 1022 DRM_ERROR("New session without create command!\n"); 1023 r = -ENOENT; 1024 } 1025 1026 out: 1027 if (!r) { 1028 /* No error, free all destroyed handle slots */ 1029 tmp = destroyed; 1030 amdgpu_ib_free(p->adev, ib, NULL); 1031 } else { 1032 /* Error during parsing, free all allocated handle slots */ 1033 tmp = allocated; 1034 } 1035 1036 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) 1037 if (tmp & (1 << i)) 1038 atomic_set(&p->adev->vce.handles[i], 0); 1039 1040 return r; 1041 } 1042 1043 /** 1044 * amdgpu_vce_ring_emit_ib - execute indirect buffer 1045 * 1046 * @ring: engine to use 1047 * @job: job to retrieve vmid from 1048 * @ib: the IB to execute 1049 * @flags: unused 1050 * 1051 */ 1052 void amdgpu_vce_ring_emit_ib(struct amdgpu_ring *ring, 1053 struct amdgpu_job *job, 1054 struct amdgpu_ib *ib, 1055 uint32_t flags) 1056 { 1057 amdgpu_ring_write(ring, VCE_CMD_IB); 1058 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)); 1059 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 1060 amdgpu_ring_write(ring, ib->length_dw); 1061 } 1062 1063 /** 1064 * amdgpu_vce_ring_emit_fence - add a fence command to the ring 1065 * 1066 * @ring: engine to use 1067 * @addr: address 1068 * @seq: sequence number 1069 * @flags: fence related flags 1070 * 1071 */ 1072 void amdgpu_vce_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, 1073 unsigned flags) 1074 { 1075 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT); 1076 1077 amdgpu_ring_write(ring, VCE_CMD_FENCE); 1078 amdgpu_ring_write(ring, addr); 1079 amdgpu_ring_write(ring, upper_32_bits(addr)); 1080 amdgpu_ring_write(ring, seq); 1081 amdgpu_ring_write(ring, VCE_CMD_TRAP); 1082 amdgpu_ring_write(ring, VCE_CMD_END); 1083 } 1084 1085 /** 1086 * amdgpu_vce_ring_test_ring - test if VCE ring is working 1087 * 1088 * @ring: the engine to test on 1089 * 1090 */ 1091 int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring) 1092 { 1093 struct amdgpu_device *adev = ring->adev; 1094 uint32_t rptr; 1095 unsigned i; 1096 int r, timeout = adev->usec_timeout; 1097 1098 /* skip ring test for sriov*/ 1099 if (amdgpu_sriov_vf(adev)) 1100 return 0; 1101 1102 r = amdgpu_ring_alloc(ring, 16); 1103 if (r) 1104 return r; 1105 1106 rptr = amdgpu_ring_get_rptr(ring); 1107 1108 amdgpu_ring_write(ring, VCE_CMD_END); 1109 amdgpu_ring_commit(ring); 1110 1111 for (i = 0; i < timeout; i++) { 1112 if (amdgpu_ring_get_rptr(ring) != rptr) 1113 break; 1114 udelay(1); 1115 } 1116 1117 if (i >= timeout) 1118 r = -ETIMEDOUT; 1119 1120 return r; 1121 } 1122 1123 /** 1124 * amdgpu_vce_ring_test_ib - test if VCE IBs are working 1125 * 1126 * @ring: the engine to test on 1127 * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT 1128 * 1129 */ 1130 int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout) 1131 { 1132 struct dma_fence *fence = NULL; 1133 struct amdgpu_bo *bo = NULL; 1134 long r; 1135 1136 /* skip vce ring1/2 ib test for now, since it's not reliable */ 1137 if (ring != &ring->adev->vce.ring[0]) 1138 return 0; 1139 1140 r = amdgpu_bo_create_reserved(ring->adev, 512, PAGE_SIZE, 1141 AMDGPU_GEM_DOMAIN_VRAM, 1142 &bo, NULL, NULL); 1143 if (r) 1144 return r; 1145 1146 r = amdgpu_vce_get_create_msg(ring, 1, bo, NULL); 1147 if (r) 1148 goto error; 1149 1150 r = amdgpu_vce_get_destroy_msg(ring, 1, true, &fence); 1151 if (r) 1152 goto error; 1153 1154 r = dma_fence_wait_timeout(fence, false, timeout); 1155 if (r == 0) 1156 r = -ETIMEDOUT; 1157 else if (r > 0) 1158 r = 0; 1159 1160 error: 1161 dma_fence_put(fence); 1162 amdgpu_bo_unreserve(bo); 1163 amdgpu_bo_free_kernel(&bo, NULL, NULL); 1164 return r; 1165 } 1166