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 #include <drm/drm_drv.h> 33 34 #include "amdgpu.h" 35 #include "amdgpu_pm.h" 36 #include "amdgpu_vce.h" 37 #include "amdgpu_cs.h" 38 #include "cikd.h" 39 40 /* 1 second timeout */ 41 #define VCE_IDLE_TIMEOUT msecs_to_jiffies(1000) 42 43 /* Firmware Names */ 44 #ifdef CONFIG_DRM_AMDGPU_CIK 45 #define FIRMWARE_BONAIRE "amdgpu/bonaire_vce.bin" 46 #define FIRMWARE_KABINI "amdgpu/kabini_vce.bin" 47 #define FIRMWARE_KAVERI "amdgpu/kaveri_vce.bin" 48 #define FIRMWARE_HAWAII "amdgpu/hawaii_vce.bin" 49 #define FIRMWARE_MULLINS "amdgpu/mullins_vce.bin" 50 #endif 51 #define FIRMWARE_TONGA "amdgpu/tonga_vce.bin" 52 #define FIRMWARE_CARRIZO "amdgpu/carrizo_vce.bin" 53 #define FIRMWARE_FIJI "amdgpu/fiji_vce.bin" 54 #define FIRMWARE_STONEY "amdgpu/stoney_vce.bin" 55 #define FIRMWARE_POLARIS10 "amdgpu/polaris10_vce.bin" 56 #define FIRMWARE_POLARIS11 "amdgpu/polaris11_vce.bin" 57 #define FIRMWARE_POLARIS12 "amdgpu/polaris12_vce.bin" 58 #define FIRMWARE_VEGAM "amdgpu/vegam_vce.bin" 59 60 #define FIRMWARE_VEGA10 "amdgpu/vega10_vce.bin" 61 #define FIRMWARE_VEGA12 "amdgpu/vega12_vce.bin" 62 #define FIRMWARE_VEGA20 "amdgpu/vega20_vce.bin" 63 64 #ifdef CONFIG_DRM_AMDGPU_CIK 65 MODULE_FIRMWARE(FIRMWARE_BONAIRE); 66 MODULE_FIRMWARE(FIRMWARE_KABINI); 67 MODULE_FIRMWARE(FIRMWARE_KAVERI); 68 MODULE_FIRMWARE(FIRMWARE_HAWAII); 69 MODULE_FIRMWARE(FIRMWARE_MULLINS); 70 #endif 71 MODULE_FIRMWARE(FIRMWARE_TONGA); 72 MODULE_FIRMWARE(FIRMWARE_CARRIZO); 73 MODULE_FIRMWARE(FIRMWARE_FIJI); 74 MODULE_FIRMWARE(FIRMWARE_STONEY); 75 MODULE_FIRMWARE(FIRMWARE_POLARIS10); 76 MODULE_FIRMWARE(FIRMWARE_POLARIS11); 77 MODULE_FIRMWARE(FIRMWARE_POLARIS12); 78 MODULE_FIRMWARE(FIRMWARE_VEGAM); 79 80 MODULE_FIRMWARE(FIRMWARE_VEGA10); 81 MODULE_FIRMWARE(FIRMWARE_VEGA12); 82 MODULE_FIRMWARE(FIRMWARE_VEGA20); 83 84 static void amdgpu_vce_idle_work_handler(struct work_struct *work); 85 static int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, 86 struct dma_fence **fence); 87 static int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, 88 bool direct, struct dma_fence **fence); 89 90 /** 91 * amdgpu_vce_sw_init - allocate memory, load vce firmware 92 * 93 * @adev: amdgpu_device pointer 94 * @size: size for the new BO 95 * 96 * First step to get VCE online, allocate memory and load the firmware 97 */ 98 int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size) 99 { 100 const char *fw_name; 101 const struct common_firmware_header *hdr; 102 unsigned int ucode_version, version_major, version_minor, binary_id; 103 int i, r; 104 105 switch (adev->asic_type) { 106 #ifdef CONFIG_DRM_AMDGPU_CIK 107 case CHIP_BONAIRE: 108 fw_name = FIRMWARE_BONAIRE; 109 break; 110 case CHIP_KAVERI: 111 fw_name = FIRMWARE_KAVERI; 112 break; 113 case CHIP_KABINI: 114 fw_name = FIRMWARE_KABINI; 115 break; 116 case CHIP_HAWAII: 117 fw_name = FIRMWARE_HAWAII; 118 break; 119 case CHIP_MULLINS: 120 fw_name = FIRMWARE_MULLINS; 121 break; 122 #endif 123 case CHIP_TONGA: 124 fw_name = FIRMWARE_TONGA; 125 break; 126 case CHIP_CARRIZO: 127 fw_name = FIRMWARE_CARRIZO; 128 break; 129 case CHIP_FIJI: 130 fw_name = FIRMWARE_FIJI; 131 break; 132 case CHIP_STONEY: 133 fw_name = FIRMWARE_STONEY; 134 break; 135 case CHIP_POLARIS10: 136 fw_name = FIRMWARE_POLARIS10; 137 break; 138 case CHIP_POLARIS11: 139 fw_name = FIRMWARE_POLARIS11; 140 break; 141 case CHIP_POLARIS12: 142 fw_name = FIRMWARE_POLARIS12; 143 break; 144 case CHIP_VEGAM: 145 fw_name = FIRMWARE_VEGAM; 146 break; 147 case CHIP_VEGA10: 148 fw_name = FIRMWARE_VEGA10; 149 break; 150 case CHIP_VEGA12: 151 fw_name = FIRMWARE_VEGA12; 152 break; 153 case CHIP_VEGA20: 154 fw_name = FIRMWARE_VEGA20; 155 break; 156 157 default: 158 return -EINVAL; 159 } 160 161 r = amdgpu_ucode_request(adev, &adev->vce.fw, "%s", fw_name); 162 if (r) { 163 dev_err(adev->dev, "amdgpu_vce: Can't validate firmware \"%s\"\n", 164 fw_name); 165 amdgpu_ucode_release(&adev->vce.fw); 166 return r; 167 } 168 169 hdr = (const struct common_firmware_header *)adev->vce.fw->data; 170 171 ucode_version = le32_to_cpu(hdr->ucode_version); 172 version_major = (ucode_version >> 20) & 0xfff; 173 version_minor = (ucode_version >> 8) & 0xfff; 174 binary_id = ucode_version & 0xff; 175 DRM_INFO("Found VCE firmware Version: %d.%d Binary ID: %d\n", 176 version_major, version_minor, binary_id); 177 adev->vce.fw_version = ((version_major << 24) | (version_minor << 16) | 178 (binary_id << 8)); 179 180 r = amdgpu_bo_create_kernel(adev, size, PAGE_SIZE, 181 AMDGPU_GEM_DOMAIN_VRAM | 182 AMDGPU_GEM_DOMAIN_GTT, 183 &adev->vce.vcpu_bo, 184 &adev->vce.gpu_addr, &adev->vce.cpu_addr); 185 if (r) { 186 dev_err(adev->dev, "(%d) failed to allocate VCE bo\n", r); 187 return r; 188 } 189 190 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { 191 atomic_set(&adev->vce.handles[i], 0); 192 adev->vce.filp[i] = NULL; 193 } 194 195 INIT_DELAYED_WORK(&adev->vce.idle_work, amdgpu_vce_idle_work_handler); 196 mutex_init(&adev->vce.idle_mutex); 197 198 return 0; 199 } 200 201 /** 202 * amdgpu_vce_sw_fini - free memory 203 * 204 * @adev: amdgpu_device pointer 205 * 206 * Last step on VCE teardown, free firmware memory 207 */ 208 int amdgpu_vce_sw_fini(struct amdgpu_device *adev) 209 { 210 unsigned int i; 211 212 if (adev->vce.vcpu_bo == NULL) 213 return 0; 214 215 drm_sched_entity_destroy(&adev->vce.entity); 216 217 amdgpu_bo_free_kernel(&adev->vce.vcpu_bo, &adev->vce.gpu_addr, 218 (void **)&adev->vce.cpu_addr); 219 220 for (i = 0; i < adev->vce.num_rings; i++) 221 amdgpu_ring_fini(&adev->vce.ring[i]); 222 223 amdgpu_ucode_release(&adev->vce.fw); 224 mutex_destroy(&adev->vce.idle_mutex); 225 226 return 0; 227 } 228 229 /** 230 * amdgpu_vce_entity_init - init entity 231 * 232 * @adev: amdgpu_device pointer 233 * @ring: amdgpu_ring pointer to check 234 * 235 * Initialize the entity used for handle management in the kernel driver. 236 */ 237 int amdgpu_vce_entity_init(struct amdgpu_device *adev, struct amdgpu_ring *ring) 238 { 239 if (ring == &adev->vce.ring[0]) { 240 struct drm_gpu_scheduler *sched = &ring->sched; 241 int r; 242 243 r = drm_sched_entity_init(&adev->vce.entity, DRM_SCHED_PRIORITY_NORMAL, 244 &sched, 1, NULL); 245 if (r != 0) { 246 DRM_ERROR("Failed setting up VCE run queue.\n"); 247 return r; 248 } 249 } 250 251 return 0; 252 } 253 254 /** 255 * amdgpu_vce_suspend - unpin VCE fw memory 256 * 257 * @adev: amdgpu_device pointer 258 * 259 */ 260 int amdgpu_vce_suspend(struct amdgpu_device *adev) 261 { 262 int i; 263 264 cancel_delayed_work_sync(&adev->vce.idle_work); 265 266 if (adev->vce.vcpu_bo == NULL) 267 return 0; 268 269 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) 270 if (atomic_read(&adev->vce.handles[i])) 271 break; 272 273 if (i == AMDGPU_MAX_VCE_HANDLES) 274 return 0; 275 276 /* TODO: suspending running encoding sessions isn't supported */ 277 return -EINVAL; 278 } 279 280 /** 281 * amdgpu_vce_resume - pin VCE fw memory 282 * 283 * @adev: amdgpu_device pointer 284 * 285 */ 286 int amdgpu_vce_resume(struct amdgpu_device *adev) 287 { 288 void *cpu_addr; 289 const struct common_firmware_header *hdr; 290 unsigned int offset; 291 int r, idx; 292 293 if (adev->vce.vcpu_bo == NULL) 294 return -EINVAL; 295 296 r = amdgpu_bo_reserve(adev->vce.vcpu_bo, false); 297 if (r) { 298 dev_err(adev->dev, "(%d) failed to reserve VCE bo\n", r); 299 return r; 300 } 301 302 r = amdgpu_bo_kmap(adev->vce.vcpu_bo, &cpu_addr); 303 if (r) { 304 amdgpu_bo_unreserve(adev->vce.vcpu_bo); 305 dev_err(adev->dev, "(%d) VCE map failed\n", r); 306 return r; 307 } 308 309 hdr = (const struct common_firmware_header *)adev->vce.fw->data; 310 offset = le32_to_cpu(hdr->ucode_array_offset_bytes); 311 312 if (drm_dev_enter(adev_to_drm(adev), &idx)) { 313 memcpy_toio(cpu_addr, adev->vce.fw->data + offset, 314 adev->vce.fw->size - offset); 315 drm_dev_exit(idx); 316 } 317 318 amdgpu_bo_kunmap(adev->vce.vcpu_bo); 319 320 amdgpu_bo_unreserve(adev->vce.vcpu_bo); 321 322 return 0; 323 } 324 325 /** 326 * amdgpu_vce_idle_work_handler - power off VCE 327 * 328 * @work: pointer to work structure 329 * 330 * power of VCE when it's not used any more 331 */ 332 static void amdgpu_vce_idle_work_handler(struct work_struct *work) 333 { 334 struct amdgpu_device *adev = 335 container_of(work, struct amdgpu_device, vce.idle_work.work); 336 unsigned int i, count = 0; 337 338 for (i = 0; i < adev->vce.num_rings; i++) 339 count += amdgpu_fence_count_emitted(&adev->vce.ring[i]); 340 341 if (count == 0) { 342 if (adev->pm.dpm_enabled) { 343 amdgpu_dpm_enable_vce(adev, false); 344 } else { 345 amdgpu_asic_set_vce_clocks(adev, 0, 0); 346 amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE, 347 AMD_PG_STATE_GATE); 348 amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE, 349 AMD_CG_STATE_GATE); 350 } 351 } else { 352 schedule_delayed_work(&adev->vce.idle_work, VCE_IDLE_TIMEOUT); 353 } 354 } 355 356 /** 357 * amdgpu_vce_ring_begin_use - power up VCE 358 * 359 * @ring: amdgpu ring 360 * 361 * Make sure VCE is powerd up when we want to use it 362 */ 363 void amdgpu_vce_ring_begin_use(struct amdgpu_ring *ring) 364 { 365 struct amdgpu_device *adev = ring->adev; 366 bool set_clocks; 367 368 if (amdgpu_sriov_vf(adev)) 369 return; 370 371 mutex_lock(&adev->vce.idle_mutex); 372 set_clocks = !cancel_delayed_work_sync(&adev->vce.idle_work); 373 if (set_clocks) { 374 if (adev->pm.dpm_enabled) { 375 amdgpu_dpm_enable_vce(adev, true); 376 } else { 377 amdgpu_asic_set_vce_clocks(adev, 53300, 40000); 378 amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE, 379 AMD_CG_STATE_UNGATE); 380 amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE, 381 AMD_PG_STATE_UNGATE); 382 383 } 384 } 385 mutex_unlock(&adev->vce.idle_mutex); 386 } 387 388 /** 389 * amdgpu_vce_ring_end_use - power VCE down 390 * 391 * @ring: amdgpu ring 392 * 393 * Schedule work to power VCE down again 394 */ 395 void amdgpu_vce_ring_end_use(struct amdgpu_ring *ring) 396 { 397 if (!amdgpu_sriov_vf(ring->adev)) 398 schedule_delayed_work(&ring->adev->vce.idle_work, VCE_IDLE_TIMEOUT); 399 } 400 401 /** 402 * amdgpu_vce_free_handles - free still open VCE handles 403 * 404 * @adev: amdgpu_device pointer 405 * @filp: drm file pointer 406 * 407 * Close all VCE handles still open by this file pointer 408 */ 409 void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp) 410 { 411 struct amdgpu_ring *ring = &adev->vce.ring[0]; 412 int i, r; 413 414 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 * @fence: optional fence to return 435 * 436 * Open up a stream for HW test 437 */ 438 static int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, 439 struct dma_fence **fence) 440 { 441 const unsigned int ib_size_dw = 1024; 442 struct amdgpu_job *job; 443 struct amdgpu_ib *ib; 444 struct amdgpu_ib ib_msg; 445 struct dma_fence *f = NULL; 446 uint64_t addr; 447 int i, r; 448 449 r = amdgpu_job_alloc_with_ib(ring->adev, &ring->adev->vce.entity, 450 AMDGPU_FENCE_OWNER_UNDEFINED, 451 ib_size_dw * 4, AMDGPU_IB_POOL_DIRECT, 452 &job); 453 if (r) 454 return r; 455 456 memset(&ib_msg, 0, sizeof(ib_msg)); 457 /* only one gpu page is needed, alloc +1 page to make addr aligned. */ 458 r = amdgpu_ib_get(ring->adev, NULL, AMDGPU_GPU_PAGE_SIZE * 2, 459 AMDGPU_IB_POOL_DIRECT, 460 &ib_msg); 461 if (r) 462 goto err; 463 464 ib = &job->ibs[0]; 465 /* let addr point to page boundary */ 466 addr = AMDGPU_GPU_PAGE_ALIGN(ib_msg.gpu_addr); 467 468 /* stitch together an VCE create msg */ 469 ib->length_dw = 0; 470 ib->ptr[ib->length_dw++] = 0x0000000c; /* len */ 471 ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */ 472 ib->ptr[ib->length_dw++] = handle; 473 474 if ((ring->adev->vce.fw_version >> 24) >= 52) 475 ib->ptr[ib->length_dw++] = 0x00000040; /* len */ 476 else 477 ib->ptr[ib->length_dw++] = 0x00000030; /* len */ 478 ib->ptr[ib->length_dw++] = 0x01000001; /* create cmd */ 479 ib->ptr[ib->length_dw++] = 0x00000000; 480 ib->ptr[ib->length_dw++] = 0x00000042; 481 ib->ptr[ib->length_dw++] = 0x0000000a; 482 ib->ptr[ib->length_dw++] = 0x00000001; 483 ib->ptr[ib->length_dw++] = 0x00000080; 484 ib->ptr[ib->length_dw++] = 0x00000060; 485 ib->ptr[ib->length_dw++] = 0x00000100; 486 ib->ptr[ib->length_dw++] = 0x00000100; 487 ib->ptr[ib->length_dw++] = 0x0000000c; 488 ib->ptr[ib->length_dw++] = 0x00000000; 489 if ((ring->adev->vce.fw_version >> 24) >= 52) { 490 ib->ptr[ib->length_dw++] = 0x00000000; 491 ib->ptr[ib->length_dw++] = 0x00000000; 492 ib->ptr[ib->length_dw++] = 0x00000000; 493 ib->ptr[ib->length_dw++] = 0x00000000; 494 } 495 496 ib->ptr[ib->length_dw++] = 0x00000014; /* len */ 497 ib->ptr[ib->length_dw++] = 0x05000005; /* feedback buffer */ 498 ib->ptr[ib->length_dw++] = upper_32_bits(addr); 499 ib->ptr[ib->length_dw++] = addr; 500 ib->ptr[ib->length_dw++] = 0x00000001; 501 502 for (i = ib->length_dw; i < ib_size_dw; ++i) 503 ib->ptr[i] = 0x0; 504 505 r = amdgpu_job_submit_direct(job, ring, &f); 506 amdgpu_ib_free(ring->adev, &ib_msg, f); 507 if (r) 508 goto err; 509 510 if (fence) 511 *fence = dma_fence_get(f); 512 dma_fence_put(f); 513 return 0; 514 515 err: 516 amdgpu_job_free(job); 517 return r; 518 } 519 520 /** 521 * amdgpu_vce_get_destroy_msg - generate a VCE destroy msg 522 * 523 * @ring: ring we should submit the msg to 524 * @handle: VCE session handle to use 525 * @direct: direct or delayed pool 526 * @fence: optional fence to return 527 * 528 * Close up a stream for HW test or if userspace failed to do so 529 */ 530 static int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, 531 bool direct, struct dma_fence **fence) 532 { 533 const unsigned int ib_size_dw = 1024; 534 struct amdgpu_job *job; 535 struct amdgpu_ib *ib; 536 struct dma_fence *f = NULL; 537 int i, r; 538 539 r = amdgpu_job_alloc_with_ib(ring->adev, &ring->adev->vce.entity, 540 AMDGPU_FENCE_OWNER_UNDEFINED, 541 ib_size_dw * 4, 542 direct ? AMDGPU_IB_POOL_DIRECT : 543 AMDGPU_IB_POOL_DELAYED, &job); 544 if (r) 545 return r; 546 547 ib = &job->ibs[0]; 548 549 /* stitch together an VCE destroy msg */ 550 ib->length_dw = 0; 551 ib->ptr[ib->length_dw++] = 0x0000000c; /* len */ 552 ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */ 553 ib->ptr[ib->length_dw++] = handle; 554 555 ib->ptr[ib->length_dw++] = 0x00000020; /* len */ 556 ib->ptr[ib->length_dw++] = 0x00000002; /* task info */ 557 ib->ptr[ib->length_dw++] = 0xffffffff; /* next task info, set to 0xffffffff if no */ 558 ib->ptr[ib->length_dw++] = 0x00000001; /* destroy session */ 559 ib->ptr[ib->length_dw++] = 0x00000000; 560 ib->ptr[ib->length_dw++] = 0x00000000; 561 ib->ptr[ib->length_dw++] = 0xffffffff; /* feedback is not needed, set to 0xffffffff and firmware will not output feedback */ 562 ib->ptr[ib->length_dw++] = 0x00000000; 563 564 ib->ptr[ib->length_dw++] = 0x00000008; /* len */ 565 ib->ptr[ib->length_dw++] = 0x02000001; /* destroy cmd */ 566 567 for (i = ib->length_dw; i < ib_size_dw; ++i) 568 ib->ptr[i] = 0x0; 569 570 if (direct) 571 r = amdgpu_job_submit_direct(job, ring, &f); 572 else 573 f = amdgpu_job_submit(job); 574 if (r) 575 goto err; 576 577 if (fence) 578 *fence = dma_fence_get(f); 579 dma_fence_put(f); 580 return 0; 581 582 err: 583 amdgpu_job_free(job); 584 return r; 585 } 586 587 /** 588 * amdgpu_vce_validate_bo - make sure not to cross 4GB boundary 589 * 590 * @p: cs parser 591 * @ib: indirect buffer to use 592 * @lo: address of lower dword 593 * @hi: address of higher dword 594 * @size: minimum size 595 * @index: bs/fb index 596 * 597 * Make sure that no BO cross a 4GB boundary. 598 */ 599 static int amdgpu_vce_validate_bo(struct amdgpu_cs_parser *p, 600 struct amdgpu_ib *ib, int lo, int hi, 601 unsigned int size, int32_t index) 602 { 603 int64_t offset = ((uint64_t)size) * ((int64_t)index); 604 struct ttm_operation_ctx ctx = { false, false }; 605 struct amdgpu_bo_va_mapping *mapping; 606 unsigned int i, fpfn, lpfn; 607 struct amdgpu_bo *bo; 608 uint64_t addr; 609 int r; 610 611 addr = ((uint64_t)amdgpu_ib_get_value(ib, lo)) | 612 ((uint64_t)amdgpu_ib_get_value(ib, hi)) << 32; 613 if (index >= 0) { 614 addr += offset; 615 fpfn = PAGE_ALIGN(offset) >> PAGE_SHIFT; 616 lpfn = 0x100000000ULL >> PAGE_SHIFT; 617 } else { 618 fpfn = 0; 619 lpfn = (0x100000000ULL - PAGE_ALIGN(offset)) >> PAGE_SHIFT; 620 } 621 622 r = amdgpu_cs_find_mapping(p, addr, &bo, &mapping); 623 if (r) { 624 DRM_ERROR("Can't find BO for addr 0x%010llx %d %d %d %d\n", 625 addr, lo, hi, size, index); 626 return r; 627 } 628 629 for (i = 0; i < bo->placement.num_placement; ++i) { 630 bo->placements[i].fpfn = max(bo->placements[i].fpfn, fpfn); 631 bo->placements[i].lpfn = bo->placements[i].lpfn ? 632 min(bo->placements[i].lpfn, lpfn) : lpfn; 633 } 634 return ttm_bo_validate(&bo->tbo, &bo->placement, &ctx); 635 } 636 637 638 /** 639 * amdgpu_vce_cs_reloc - command submission relocation 640 * 641 * @p: parser context 642 * @ib: indirect buffer to use 643 * @lo: address of lower dword 644 * @hi: address of higher dword 645 * @size: minimum size 646 * @index: bs/fb index 647 * 648 * Patch relocation inside command stream with real buffer address 649 */ 650 static int amdgpu_vce_cs_reloc(struct amdgpu_cs_parser *p, struct amdgpu_ib *ib, 651 int lo, int hi, unsigned int size, uint32_t index) 652 { 653 struct amdgpu_bo_va_mapping *mapping; 654 struct amdgpu_bo *bo; 655 uint64_t addr; 656 int r; 657 658 if (index == 0xffffffff) 659 index = 0; 660 661 addr = ((uint64_t)amdgpu_ib_get_value(ib, lo)) | 662 ((uint64_t)amdgpu_ib_get_value(ib, hi)) << 32; 663 addr += ((uint64_t)size) * ((uint64_t)index); 664 665 r = amdgpu_cs_find_mapping(p, addr, &bo, &mapping); 666 if (r) { 667 DRM_ERROR("Can't find BO for addr 0x%010llx %d %d %d %d\n", 668 addr, lo, hi, size, index); 669 return r; 670 } 671 672 if ((addr + (uint64_t)size) > 673 (mapping->last + 1) * AMDGPU_GPU_PAGE_SIZE) { 674 DRM_ERROR("BO too small for addr 0x%010llx %d %d\n", 675 addr, lo, hi); 676 return -EINVAL; 677 } 678 679 addr -= mapping->start * AMDGPU_GPU_PAGE_SIZE; 680 addr += amdgpu_bo_gpu_offset(bo); 681 addr -= ((uint64_t)size) * ((uint64_t)index); 682 683 amdgpu_ib_set_value(ib, lo, lower_32_bits(addr)); 684 amdgpu_ib_set_value(ib, hi, upper_32_bits(addr)); 685 686 return 0; 687 } 688 689 /** 690 * amdgpu_vce_validate_handle - validate stream handle 691 * 692 * @p: parser context 693 * @handle: handle to validate 694 * @allocated: allocated a new handle? 695 * 696 * Validates the handle and return the found session index or -EINVAL 697 * we don't have another free session index. 698 */ 699 static int amdgpu_vce_validate_handle(struct amdgpu_cs_parser *p, 700 uint32_t handle, uint32_t *allocated) 701 { 702 unsigned int i; 703 704 /* validate the handle */ 705 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { 706 if (atomic_read(&p->adev->vce.handles[i]) == handle) { 707 if (p->adev->vce.filp[i] != p->filp) { 708 DRM_ERROR("VCE handle collision detected!\n"); 709 return -EINVAL; 710 } 711 return i; 712 } 713 } 714 715 /* handle not found try to alloc a new one */ 716 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { 717 if (!atomic_cmpxchg(&p->adev->vce.handles[i], 0, handle)) { 718 p->adev->vce.filp[i] = p->filp; 719 p->adev->vce.img_size[i] = 0; 720 *allocated |= 1 << i; 721 return i; 722 } 723 } 724 725 DRM_ERROR("No more free VCE handles!\n"); 726 return -EINVAL; 727 } 728 729 /** 730 * amdgpu_vce_ring_parse_cs - parse and validate the command stream 731 * 732 * @p: parser context 733 * @job: the job to parse 734 * @ib: the IB to patch 735 */ 736 int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, 737 struct amdgpu_job *job, 738 struct amdgpu_ib *ib) 739 { 740 unsigned int fb_idx = 0, bs_idx = 0; 741 int session_idx = -1; 742 uint32_t destroyed = 0; 743 uint32_t created = 0; 744 uint32_t allocated = 0; 745 uint32_t tmp, handle = 0; 746 uint32_t dummy = 0xffffffff; 747 uint32_t *size = &dummy; 748 unsigned int idx; 749 int i, r = 0; 750 751 job->vm = NULL; 752 753 for (idx = 0; idx < ib->length_dw;) { 754 uint32_t len = amdgpu_ib_get_value(ib, idx); 755 uint32_t cmd = amdgpu_ib_get_value(ib, idx + 1); 756 757 if ((len < 8) || (len & 3)) { 758 DRM_ERROR("invalid VCE command length (%d)!\n", len); 759 r = -EINVAL; 760 goto out; 761 } 762 763 switch (cmd) { 764 case 0x00000002: /* task info */ 765 fb_idx = amdgpu_ib_get_value(ib, idx + 6); 766 bs_idx = amdgpu_ib_get_value(ib, idx + 7); 767 break; 768 769 case 0x03000001: /* encode */ 770 r = amdgpu_vce_validate_bo(p, ib, idx + 10, idx + 9, 771 0, 0); 772 if (r) 773 goto out; 774 775 r = amdgpu_vce_validate_bo(p, ib, idx + 12, idx + 11, 776 0, 0); 777 if (r) 778 goto out; 779 break; 780 781 case 0x05000001: /* context buffer */ 782 r = amdgpu_vce_validate_bo(p, ib, idx + 3, idx + 2, 783 0, 0); 784 if (r) 785 goto out; 786 break; 787 788 case 0x05000004: /* video bitstream buffer */ 789 tmp = amdgpu_ib_get_value(ib, idx + 4); 790 r = amdgpu_vce_validate_bo(p, ib, idx + 3, idx + 2, 791 tmp, bs_idx); 792 if (r) 793 goto out; 794 break; 795 796 case 0x05000005: /* feedback buffer */ 797 r = amdgpu_vce_validate_bo(p, ib, idx + 3, idx + 2, 798 4096, fb_idx); 799 if (r) 800 goto out; 801 break; 802 803 case 0x0500000d: /* MV buffer */ 804 r = amdgpu_vce_validate_bo(p, ib, idx + 3, idx + 2, 805 0, 0); 806 if (r) 807 goto out; 808 809 r = amdgpu_vce_validate_bo(p, ib, idx + 8, idx + 7, 810 0, 0); 811 if (r) 812 goto out; 813 break; 814 } 815 816 idx += len / 4; 817 } 818 819 for (idx = 0; idx < ib->length_dw;) { 820 uint32_t len = amdgpu_ib_get_value(ib, idx); 821 uint32_t cmd = amdgpu_ib_get_value(ib, idx + 1); 822 823 switch (cmd) { 824 case 0x00000001: /* session */ 825 handle = amdgpu_ib_get_value(ib, idx + 2); 826 session_idx = amdgpu_vce_validate_handle(p, handle, 827 &allocated); 828 if (session_idx < 0) { 829 r = session_idx; 830 goto out; 831 } 832 size = &p->adev->vce.img_size[session_idx]; 833 break; 834 835 case 0x00000002: /* task info */ 836 fb_idx = amdgpu_ib_get_value(ib, idx + 6); 837 bs_idx = amdgpu_ib_get_value(ib, idx + 7); 838 break; 839 840 case 0x01000001: /* create */ 841 created |= 1 << session_idx; 842 if (destroyed & (1 << session_idx)) { 843 destroyed &= ~(1 << session_idx); 844 allocated |= 1 << session_idx; 845 846 } else if (!(allocated & (1 << session_idx))) { 847 DRM_ERROR("Handle already in use!\n"); 848 r = -EINVAL; 849 goto out; 850 } 851 852 *size = amdgpu_ib_get_value(ib, idx + 8) * 853 amdgpu_ib_get_value(ib, idx + 10) * 854 8 * 3 / 2; 855 break; 856 857 case 0x04000001: /* config extension */ 858 case 0x04000002: /* pic control */ 859 case 0x04000005: /* rate control */ 860 case 0x04000007: /* motion estimation */ 861 case 0x04000008: /* rdo */ 862 case 0x04000009: /* vui */ 863 case 0x05000002: /* auxiliary buffer */ 864 case 0x05000009: /* clock table */ 865 break; 866 867 case 0x0500000c: /* hw config */ 868 switch (p->adev->asic_type) { 869 #ifdef CONFIG_DRM_AMDGPU_CIK 870 case CHIP_KAVERI: 871 case CHIP_MULLINS: 872 #endif 873 case CHIP_CARRIZO: 874 break; 875 default: 876 r = -EINVAL; 877 goto out; 878 } 879 break; 880 881 case 0x03000001: /* encode */ 882 r = amdgpu_vce_cs_reloc(p, ib, idx + 10, idx + 9, 883 *size, 0); 884 if (r) 885 goto out; 886 887 r = amdgpu_vce_cs_reloc(p, ib, idx + 12, idx + 11, 888 *size / 3, 0); 889 if (r) 890 goto out; 891 break; 892 893 case 0x02000001: /* destroy */ 894 destroyed |= 1 << session_idx; 895 break; 896 897 case 0x05000001: /* context buffer */ 898 r = amdgpu_vce_cs_reloc(p, ib, idx + 3, idx + 2, 899 *size * 2, 0); 900 if (r) 901 goto out; 902 break; 903 904 case 0x05000004: /* video bitstream buffer */ 905 tmp = amdgpu_ib_get_value(ib, idx + 4); 906 r = amdgpu_vce_cs_reloc(p, ib, idx + 3, idx + 2, 907 tmp, bs_idx); 908 if (r) 909 goto out; 910 break; 911 912 case 0x05000005: /* feedback buffer */ 913 r = amdgpu_vce_cs_reloc(p, ib, idx + 3, idx + 2, 914 4096, fb_idx); 915 if (r) 916 goto out; 917 break; 918 919 case 0x0500000d: /* MV buffer */ 920 r = amdgpu_vce_cs_reloc(p, ib, idx + 3, 921 idx + 2, *size, 0); 922 if (r) 923 goto out; 924 925 r = amdgpu_vce_cs_reloc(p, ib, idx + 8, 926 idx + 7, *size / 12, 0); 927 if (r) 928 goto out; 929 break; 930 931 default: 932 DRM_ERROR("invalid VCE command (0x%x)!\n", cmd); 933 r = -EINVAL; 934 goto out; 935 } 936 937 if (session_idx == -1) { 938 DRM_ERROR("no session command at start of IB\n"); 939 r = -EINVAL; 940 goto out; 941 } 942 943 idx += len / 4; 944 } 945 946 if (allocated & ~created) { 947 DRM_ERROR("New session without create command!\n"); 948 r = -ENOENT; 949 } 950 951 out: 952 if (!r) { 953 /* No error, free all destroyed handle slots */ 954 tmp = destroyed; 955 } else { 956 /* Error during parsing, free all allocated handle slots */ 957 tmp = allocated; 958 } 959 960 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) 961 if (tmp & (1 << i)) 962 atomic_set(&p->adev->vce.handles[i], 0); 963 964 return r; 965 } 966 967 /** 968 * amdgpu_vce_ring_parse_cs_vm - parse the command stream in VM mode 969 * 970 * @p: parser context 971 * @job: the job to parse 972 * @ib: the IB to patch 973 */ 974 int amdgpu_vce_ring_parse_cs_vm(struct amdgpu_cs_parser *p, 975 struct amdgpu_job *job, 976 struct amdgpu_ib *ib) 977 { 978 int session_idx = -1; 979 uint32_t destroyed = 0; 980 uint32_t created = 0; 981 uint32_t allocated = 0; 982 uint32_t tmp, handle = 0; 983 int i, r = 0, idx = 0; 984 985 while (idx < ib->length_dw) { 986 uint32_t len = amdgpu_ib_get_value(ib, idx); 987 uint32_t cmd = amdgpu_ib_get_value(ib, idx + 1); 988 989 if ((len < 8) || (len & 3)) { 990 DRM_ERROR("invalid VCE command length (%d)!\n", len); 991 r = -EINVAL; 992 goto out; 993 } 994 995 switch (cmd) { 996 case 0x00000001: /* session */ 997 handle = amdgpu_ib_get_value(ib, idx + 2); 998 session_idx = amdgpu_vce_validate_handle(p, handle, 999 &allocated); 1000 if (session_idx < 0) { 1001 r = session_idx; 1002 goto out; 1003 } 1004 break; 1005 1006 case 0x01000001: /* create */ 1007 created |= 1 << session_idx; 1008 if (destroyed & (1 << session_idx)) { 1009 destroyed &= ~(1 << session_idx); 1010 allocated |= 1 << session_idx; 1011 1012 } else if (!(allocated & (1 << session_idx))) { 1013 DRM_ERROR("Handle already in use!\n"); 1014 r = -EINVAL; 1015 goto out; 1016 } 1017 1018 break; 1019 1020 case 0x02000001: /* destroy */ 1021 destroyed |= 1 << session_idx; 1022 break; 1023 1024 default: 1025 break; 1026 } 1027 1028 if (session_idx == -1) { 1029 DRM_ERROR("no session command at start of IB\n"); 1030 r = -EINVAL; 1031 goto out; 1032 } 1033 1034 idx += len / 4; 1035 } 1036 1037 if (allocated & ~created) { 1038 DRM_ERROR("New session without create command!\n"); 1039 r = -ENOENT; 1040 } 1041 1042 out: 1043 if (!r) { 1044 /* No error, free all destroyed handle slots */ 1045 tmp = destroyed; 1046 } else { 1047 /* Error during parsing, free all allocated handle slots */ 1048 tmp = allocated; 1049 } 1050 1051 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) 1052 if (tmp & (1 << i)) 1053 atomic_set(&p->adev->vce.handles[i], 0); 1054 1055 return r; 1056 } 1057 1058 /** 1059 * amdgpu_vce_ring_emit_ib - execute indirect buffer 1060 * 1061 * @ring: engine to use 1062 * @job: job to retrieve vmid from 1063 * @ib: the IB to execute 1064 * @flags: unused 1065 * 1066 */ 1067 void amdgpu_vce_ring_emit_ib(struct amdgpu_ring *ring, 1068 struct amdgpu_job *job, 1069 struct amdgpu_ib *ib, 1070 uint32_t flags) 1071 { 1072 amdgpu_ring_write(ring, VCE_CMD_IB); 1073 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)); 1074 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 1075 amdgpu_ring_write(ring, ib->length_dw); 1076 } 1077 1078 /** 1079 * amdgpu_vce_ring_emit_fence - add a fence command to the ring 1080 * 1081 * @ring: engine to use 1082 * @addr: address 1083 * @seq: sequence number 1084 * @flags: fence related flags 1085 * 1086 */ 1087 void amdgpu_vce_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, 1088 unsigned int flags) 1089 { 1090 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT); 1091 1092 amdgpu_ring_write(ring, VCE_CMD_FENCE); 1093 amdgpu_ring_write(ring, addr); 1094 amdgpu_ring_write(ring, upper_32_bits(addr)); 1095 amdgpu_ring_write(ring, seq); 1096 amdgpu_ring_write(ring, VCE_CMD_TRAP); 1097 amdgpu_ring_write(ring, VCE_CMD_END); 1098 } 1099 1100 /** 1101 * amdgpu_vce_ring_test_ring - test if VCE ring is working 1102 * 1103 * @ring: the engine to test on 1104 * 1105 */ 1106 int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring) 1107 { 1108 struct amdgpu_device *adev = ring->adev; 1109 uint32_t rptr; 1110 unsigned int i; 1111 int r, timeout = adev->usec_timeout; 1112 1113 /* skip ring test for sriov*/ 1114 if (amdgpu_sriov_vf(adev)) 1115 return 0; 1116 1117 r = amdgpu_ring_alloc(ring, 16); 1118 if (r) 1119 return r; 1120 1121 rptr = amdgpu_ring_get_rptr(ring); 1122 1123 amdgpu_ring_write(ring, VCE_CMD_END); 1124 amdgpu_ring_commit(ring); 1125 1126 for (i = 0; i < timeout; i++) { 1127 if (amdgpu_ring_get_rptr(ring) != rptr) 1128 break; 1129 udelay(1); 1130 } 1131 1132 if (i >= timeout) 1133 r = -ETIMEDOUT; 1134 1135 return r; 1136 } 1137 1138 /** 1139 * amdgpu_vce_ring_test_ib - test if VCE IBs are working 1140 * 1141 * @ring: the engine to test on 1142 * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT 1143 * 1144 */ 1145 int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout) 1146 { 1147 struct dma_fence *fence = NULL; 1148 long r; 1149 1150 /* skip vce ring1/2 ib test for now, since it's not reliable */ 1151 if (ring != &ring->adev->vce.ring[0]) 1152 return 0; 1153 1154 r = amdgpu_vce_get_create_msg(ring, 1, NULL); 1155 if (r) 1156 goto error; 1157 1158 r = amdgpu_vce_get_destroy_msg(ring, 1, true, &fence); 1159 if (r) 1160 goto error; 1161 1162 r = dma_fence_wait_timeout(fence, false, timeout); 1163 if (r == 0) 1164 r = -ETIMEDOUT; 1165 else if (r > 0) 1166 r = 0; 1167 1168 error: 1169 dma_fence_put(fence); 1170 return r; 1171 } 1172 1173 enum amdgpu_ring_priority_level amdgpu_vce_get_ring_prio(int ring) 1174 { 1175 switch (ring) { 1176 case 0: 1177 return AMDGPU_RING_PRIO_0; 1178 case 1: 1179 return AMDGPU_RING_PRIO_1; 1180 case 2: 1181 return AMDGPU_RING_PRIO_2; 1182 default: 1183 return AMDGPU_RING_PRIO_0; 1184 } 1185 } 1186