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_SI 45 #define FIRMWARE_VCE_V1_0 "amdgpu/vce_1_0_0.bin" 46 #endif 47 #ifdef CONFIG_DRM_AMDGPU_CIK 48 #define FIRMWARE_BONAIRE "amdgpu/bonaire_vce.bin" 49 #define FIRMWARE_KABINI "amdgpu/kabini_vce.bin" 50 #define FIRMWARE_KAVERI "amdgpu/kaveri_vce.bin" 51 #define FIRMWARE_HAWAII "amdgpu/hawaii_vce.bin" 52 #define FIRMWARE_MULLINS "amdgpu/mullins_vce.bin" 53 #endif 54 #define FIRMWARE_TONGA "amdgpu/tonga_vce.bin" 55 #define FIRMWARE_CARRIZO "amdgpu/carrizo_vce.bin" 56 #define FIRMWARE_FIJI "amdgpu/fiji_vce.bin" 57 #define FIRMWARE_STONEY "amdgpu/stoney_vce.bin" 58 #define FIRMWARE_POLARIS10 "amdgpu/polaris10_vce.bin" 59 #define FIRMWARE_POLARIS11 "amdgpu/polaris11_vce.bin" 60 #define FIRMWARE_POLARIS12 "amdgpu/polaris12_vce.bin" 61 #define FIRMWARE_VEGAM "amdgpu/vegam_vce.bin" 62 63 #define FIRMWARE_VEGA10 "amdgpu/vega10_vce.bin" 64 #define FIRMWARE_VEGA12 "amdgpu/vega12_vce.bin" 65 #define FIRMWARE_VEGA20 "amdgpu/vega20_vce.bin" 66 67 #ifdef CONFIG_DRM_AMDGPU_SI 68 MODULE_FIRMWARE(FIRMWARE_VCE_V1_0); 69 #endif 70 #ifdef CONFIG_DRM_AMDGPU_CIK 71 MODULE_FIRMWARE(FIRMWARE_BONAIRE); 72 MODULE_FIRMWARE(FIRMWARE_KABINI); 73 MODULE_FIRMWARE(FIRMWARE_KAVERI); 74 MODULE_FIRMWARE(FIRMWARE_HAWAII); 75 MODULE_FIRMWARE(FIRMWARE_MULLINS); 76 #endif 77 MODULE_FIRMWARE(FIRMWARE_TONGA); 78 MODULE_FIRMWARE(FIRMWARE_CARRIZO); 79 MODULE_FIRMWARE(FIRMWARE_FIJI); 80 MODULE_FIRMWARE(FIRMWARE_STONEY); 81 MODULE_FIRMWARE(FIRMWARE_POLARIS10); 82 MODULE_FIRMWARE(FIRMWARE_POLARIS11); 83 MODULE_FIRMWARE(FIRMWARE_POLARIS12); 84 MODULE_FIRMWARE(FIRMWARE_VEGAM); 85 86 MODULE_FIRMWARE(FIRMWARE_VEGA10); 87 MODULE_FIRMWARE(FIRMWARE_VEGA12); 88 MODULE_FIRMWARE(FIRMWARE_VEGA20); 89 90 static void amdgpu_vce_idle_work_handler(struct work_struct *work); 91 static int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, 92 struct dma_fence **fence); 93 static int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, 94 bool direct, struct dma_fence **fence); 95 96 /** 97 * amdgpu_vce_firmware_name() - determine the firmware file name for VCE 98 * 99 * @adev: amdgpu_device pointer 100 * 101 * Each chip that has VCE IP may need a different firmware. 102 * This function returns the name of the VCE firmware file 103 * appropriate for the current chip. 104 */ 105 static const char *amdgpu_vce_firmware_name(struct amdgpu_device *adev) 106 { 107 switch (adev->asic_type) { 108 #ifdef CONFIG_DRM_AMDGPU_SI 109 case CHIP_PITCAIRN: 110 case CHIP_TAHITI: 111 case CHIP_VERDE: 112 return FIRMWARE_VCE_V1_0; 113 #endif 114 #ifdef CONFIG_DRM_AMDGPU_CIK 115 case CHIP_BONAIRE: 116 return FIRMWARE_BONAIRE; 117 case CHIP_KAVERI: 118 return FIRMWARE_KAVERI; 119 case CHIP_KABINI: 120 return FIRMWARE_KABINI; 121 case CHIP_HAWAII: 122 return FIRMWARE_HAWAII; 123 case CHIP_MULLINS: 124 return FIRMWARE_MULLINS; 125 #endif 126 case CHIP_TONGA: 127 return FIRMWARE_TONGA; 128 case CHIP_CARRIZO: 129 return FIRMWARE_CARRIZO; 130 case CHIP_FIJI: 131 return FIRMWARE_FIJI; 132 case CHIP_STONEY: 133 return FIRMWARE_STONEY; 134 case CHIP_POLARIS10: 135 return FIRMWARE_POLARIS10; 136 case CHIP_POLARIS11: 137 return FIRMWARE_POLARIS11; 138 case CHIP_POLARIS12: 139 return FIRMWARE_POLARIS12; 140 case CHIP_VEGAM: 141 return FIRMWARE_VEGAM; 142 case CHIP_VEGA10: 143 return FIRMWARE_VEGA10; 144 case CHIP_VEGA12: 145 return FIRMWARE_VEGA12; 146 case CHIP_VEGA20: 147 return FIRMWARE_VEGA20; 148 149 default: 150 return NULL; 151 } 152 } 153 154 /** 155 * amdgpu_vce_early_init() - try to load VCE firmware 156 * 157 * @adev: amdgpu_device pointer 158 * 159 * Tries to load the VCE firmware. 160 * 161 * When not found, returns ENOENT so that the driver can 162 * still load and initialize the rest of the IP blocks. 163 * The GPU can function just fine without VCE, they will just 164 * not support video encoding. 165 */ 166 int amdgpu_vce_early_init(struct amdgpu_device *adev) 167 { 168 const char *fw_name = amdgpu_vce_firmware_name(adev); 169 const struct common_firmware_header *hdr; 170 unsigned int ucode_version, version_major, version_minor, binary_id; 171 int r; 172 173 if (!fw_name) 174 return -ENOENT; 175 176 r = amdgpu_ucode_request(adev, &adev->vce.fw, AMDGPU_UCODE_REQUIRED, "%s", fw_name); 177 if (r) { 178 dev_err(adev->dev, 179 "amdgpu_vce: Firmware \"%s\" not found or failed to validate (%d)\n", 180 fw_name, r); 181 182 amdgpu_ucode_release(&adev->vce.fw); 183 return -ENOENT; 184 } 185 186 hdr = (const struct common_firmware_header *)adev->vce.fw->data; 187 188 ucode_version = le32_to_cpu(hdr->ucode_version); 189 version_major = (ucode_version >> 20) & 0xfff; 190 version_minor = (ucode_version >> 8) & 0xfff; 191 binary_id = ucode_version & 0xff; 192 dev_info(adev->dev, "Found VCE firmware Version: %d.%d Binary ID: %d\n", 193 version_major, version_minor, binary_id); 194 adev->vce.fw_version = ((version_major << 24) | (version_minor << 16) | 195 (binary_id << 8)); 196 197 return 0; 198 } 199 200 /** 201 * amdgpu_vce_sw_init() - allocate memory for VCE BO 202 * 203 * @adev: amdgpu_device pointer 204 * @size: size for the new BO 205 * 206 * First step to get VCE online: allocate memory for VCE BO. 207 * The VCE firmware binary is copied into the VCE BO later, 208 * in amdgpu_vce_resume. The VCE executes its code from the 209 * VCE BO and also uses the space in this BO for its stack and data. 210 * 211 * Ideally this BO should be placed in VRAM for optimal performance, 212 * although technically it also runs from system RAM (albeit slowly). 213 */ 214 int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size) 215 { 216 int i, r; 217 218 if (!adev->vce.fw) 219 return -ENOENT; 220 221 r = amdgpu_bo_create_kernel(adev, size, PAGE_SIZE, 222 AMDGPU_GEM_DOMAIN_VRAM | 223 AMDGPU_GEM_DOMAIN_GTT, 224 &adev->vce.vcpu_bo, 225 &adev->vce.gpu_addr, &adev->vce.cpu_addr); 226 if (r) { 227 dev_err(adev->dev, "(%d) failed to allocate VCE bo\n", r); 228 return r; 229 } 230 231 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { 232 atomic_set(&adev->vce.handles[i], 0); 233 adev->vce.filp[i] = NULL; 234 } 235 236 INIT_DELAYED_WORK(&adev->vce.idle_work, amdgpu_vce_idle_work_handler); 237 mutex_init(&adev->vce.idle_mutex); 238 239 return 0; 240 } 241 242 /** 243 * amdgpu_vce_sw_fini - free memory 244 * 245 * @adev: amdgpu_device pointer 246 * 247 * Last step on VCE teardown, free firmware memory 248 */ 249 int amdgpu_vce_sw_fini(struct amdgpu_device *adev) 250 { 251 unsigned int i; 252 253 if (adev->vce.vcpu_bo == NULL) 254 return 0; 255 256 drm_sched_entity_destroy(&adev->vce.entity); 257 258 for (i = 0; i < adev->vce.num_rings; i++) 259 amdgpu_ring_fini(&adev->vce.ring[i]); 260 261 amdgpu_ucode_release(&adev->vce.fw); 262 mutex_destroy(&adev->vce.idle_mutex); 263 264 amdgpu_bo_free_kernel(&adev->vce.vcpu_bo, &adev->vce.gpu_addr, 265 (void **)&adev->vce.cpu_addr); 266 267 return 0; 268 } 269 270 /** 271 * amdgpu_vce_entity_init - init entity 272 * 273 * @adev: amdgpu_device pointer 274 * @ring: amdgpu_ring pointer to check 275 * 276 * Initialize the entity used for handle management in the kernel driver. 277 */ 278 int amdgpu_vce_entity_init(struct amdgpu_device *adev, struct amdgpu_ring *ring) 279 { 280 if (ring == &adev->vce.ring[0]) { 281 struct drm_gpu_scheduler *sched = &ring->sched; 282 int r; 283 284 r = drm_sched_entity_init(&adev->vce.entity, DRM_SCHED_PRIORITY_NORMAL, 285 &sched, 1, NULL); 286 if (r != 0) { 287 DRM_ERROR("Failed setting up VCE run queue.\n"); 288 return r; 289 } 290 } 291 292 return 0; 293 } 294 295 /** 296 * amdgpu_vce_suspend - unpin VCE fw memory 297 * 298 * @adev: amdgpu_device pointer 299 * 300 */ 301 int amdgpu_vce_suspend(struct amdgpu_device *adev) 302 { 303 int i; 304 305 cancel_delayed_work_sync(&adev->vce.idle_work); 306 307 if (adev->vce.vcpu_bo == NULL) 308 return 0; 309 310 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) 311 if (atomic_read(&adev->vce.handles[i])) 312 break; 313 314 if (i == AMDGPU_MAX_VCE_HANDLES) 315 return 0; 316 317 /* TODO: suspending running encoding sessions isn't supported */ 318 return -EINVAL; 319 } 320 321 /** 322 * amdgpu_vce_resume - pin VCE fw memory 323 * 324 * @adev: amdgpu_device pointer 325 * 326 */ 327 int amdgpu_vce_resume(struct amdgpu_device *adev) 328 { 329 const struct common_firmware_header *hdr; 330 unsigned int offset; 331 int idx; 332 333 if (adev->vce.vcpu_bo == NULL) 334 return -EINVAL; 335 336 hdr = (const struct common_firmware_header *)adev->vce.fw->data; 337 offset = le32_to_cpu(hdr->ucode_array_offset_bytes); 338 339 if (drm_dev_enter(adev_to_drm(adev), &idx)) { 340 memset_io(adev->vce.cpu_addr, 0, amdgpu_bo_size(adev->vce.vcpu_bo)); 341 memcpy_toio(adev->vce.cpu_addr, adev->vce.fw->data + offset, 342 adev->vce.fw->size - offset); 343 drm_dev_exit(idx); 344 } 345 346 return 0; 347 } 348 349 /** 350 * amdgpu_vce_idle_work_handler - power off VCE 351 * 352 * @work: pointer to work structure 353 * 354 * power of VCE when it's not used any more 355 */ 356 static void amdgpu_vce_idle_work_handler(struct work_struct *work) 357 { 358 struct amdgpu_device *adev = 359 container_of(work, struct amdgpu_device, vce.idle_work.work); 360 unsigned int i, count = 0; 361 362 for (i = 0; i < adev->vce.num_rings; i++) 363 count += amdgpu_fence_count_emitted(&adev->vce.ring[i]); 364 365 if (count == 0) { 366 if (adev->pm.dpm_enabled) { 367 amdgpu_dpm_enable_vce(adev, false); 368 } else { 369 amdgpu_asic_set_vce_clocks(adev, 0, 0); 370 amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE, 371 AMD_PG_STATE_GATE); 372 amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE, 373 AMD_CG_STATE_GATE); 374 } 375 } else { 376 schedule_delayed_work(&adev->vce.idle_work, VCE_IDLE_TIMEOUT); 377 } 378 } 379 380 /** 381 * amdgpu_vce_ring_begin_use - power up VCE 382 * 383 * @ring: amdgpu ring 384 * 385 * Make sure VCE is powerd up when we want to use it 386 */ 387 void amdgpu_vce_ring_begin_use(struct amdgpu_ring *ring) 388 { 389 struct amdgpu_device *adev = ring->adev; 390 bool set_clocks; 391 392 if (amdgpu_sriov_vf(adev)) 393 return; 394 395 mutex_lock(&adev->vce.idle_mutex); 396 set_clocks = !cancel_delayed_work_sync(&adev->vce.idle_work); 397 if (set_clocks) { 398 if (adev->pm.dpm_enabled) { 399 amdgpu_dpm_enable_vce(adev, true); 400 } else { 401 amdgpu_asic_set_vce_clocks(adev, 53300, 40000); 402 amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE, 403 AMD_CG_STATE_UNGATE); 404 amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE, 405 AMD_PG_STATE_UNGATE); 406 407 } 408 } 409 mutex_unlock(&adev->vce.idle_mutex); 410 } 411 412 /** 413 * amdgpu_vce_ring_end_use - power VCE down 414 * 415 * @ring: amdgpu ring 416 * 417 * Schedule work to power VCE down again 418 */ 419 void amdgpu_vce_ring_end_use(struct amdgpu_ring *ring) 420 { 421 if (!amdgpu_sriov_vf(ring->adev)) 422 schedule_delayed_work(&ring->adev->vce.idle_work, VCE_IDLE_TIMEOUT); 423 } 424 425 /** 426 * amdgpu_vce_free_handles - free still open VCE handles 427 * 428 * @adev: amdgpu_device pointer 429 * @filp: drm file pointer 430 * 431 * Close all VCE handles still open by this file pointer 432 */ 433 void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp) 434 { 435 struct amdgpu_ring *ring = &adev->vce.ring[0]; 436 int i, r; 437 438 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { 439 uint32_t handle = atomic_read(&adev->vce.handles[i]); 440 441 if (!handle || adev->vce.filp[i] != filp) 442 continue; 443 444 r = amdgpu_vce_get_destroy_msg(ring, handle, false, NULL); 445 if (r) 446 DRM_ERROR("Error destroying VCE handle (%d)!\n", r); 447 448 adev->vce.filp[i] = NULL; 449 atomic_set(&adev->vce.handles[i], 0); 450 } 451 } 452 453 /** 454 * amdgpu_vce_get_create_msg - generate a VCE create msg 455 * 456 * @ring: ring we should submit the msg to 457 * @handle: VCE session handle to use 458 * @fence: optional fence to return 459 * 460 * Open up a stream for HW test 461 */ 462 static int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, 463 struct dma_fence **fence) 464 { 465 const unsigned int ib_size_dw = 1024; 466 struct amdgpu_job *job; 467 struct amdgpu_ib *ib; 468 struct amdgpu_ib ib_msg; 469 struct dma_fence *f = NULL; 470 uint64_t addr; 471 int i, r; 472 473 r = amdgpu_job_alloc_with_ib(ring->adev, &ring->adev->vce.entity, 474 AMDGPU_FENCE_OWNER_UNDEFINED, 475 ib_size_dw * 4, AMDGPU_IB_POOL_DIRECT, 476 &job, AMDGPU_KERNEL_JOB_ID_VCN_RING_TEST); 477 if (r) 478 return r; 479 480 memset(&ib_msg, 0, sizeof(ib_msg)); 481 /* only one gpu page is needed, alloc +1 page to make addr aligned. */ 482 r = amdgpu_ib_get(ring->adev, NULL, AMDGPU_GPU_PAGE_SIZE * 2, 483 AMDGPU_IB_POOL_DIRECT, 484 &ib_msg); 485 if (r) 486 goto err; 487 488 ib = &job->ibs[0]; 489 /* let addr point to page boundary */ 490 addr = AMDGPU_GPU_PAGE_ALIGN(ib_msg.gpu_addr); 491 492 /* stitch together an VCE create msg */ 493 ib->length_dw = 0; 494 ib->ptr[ib->length_dw++] = 0x0000000c; /* len */ 495 ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */ 496 ib->ptr[ib->length_dw++] = handle; 497 498 if ((ring->adev->vce.fw_version >> 24) >= 52) 499 ib->ptr[ib->length_dw++] = 0x00000040; /* len */ 500 else 501 ib->ptr[ib->length_dw++] = 0x00000030; /* len */ 502 ib->ptr[ib->length_dw++] = 0x01000001; /* create cmd */ 503 ib->ptr[ib->length_dw++] = 0x00000000; 504 ib->ptr[ib->length_dw++] = 0x00000042; 505 ib->ptr[ib->length_dw++] = 0x0000000a; 506 ib->ptr[ib->length_dw++] = 0x00000001; 507 ib->ptr[ib->length_dw++] = 0x00000080; 508 ib->ptr[ib->length_dw++] = 0x00000060; 509 ib->ptr[ib->length_dw++] = 0x00000100; 510 ib->ptr[ib->length_dw++] = 0x00000100; 511 ib->ptr[ib->length_dw++] = 0x0000000c; 512 ib->ptr[ib->length_dw++] = 0x00000000; 513 if ((ring->adev->vce.fw_version >> 24) >= 52) { 514 ib->ptr[ib->length_dw++] = 0x00000000; 515 ib->ptr[ib->length_dw++] = 0x00000000; 516 ib->ptr[ib->length_dw++] = 0x00000000; 517 ib->ptr[ib->length_dw++] = 0x00000000; 518 } 519 520 ib->ptr[ib->length_dw++] = 0x00000014; /* len */ 521 ib->ptr[ib->length_dw++] = 0x05000005; /* feedback buffer */ 522 ib->ptr[ib->length_dw++] = upper_32_bits(addr); 523 ib->ptr[ib->length_dw++] = addr; 524 ib->ptr[ib->length_dw++] = 0x00000001; 525 526 for (i = ib->length_dw; i < ib_size_dw; ++i) 527 ib->ptr[i] = 0x0; 528 529 r = amdgpu_job_submit_direct(job, ring, &f); 530 amdgpu_ib_free(&ib_msg, f); 531 if (r) 532 goto err; 533 534 if (fence) 535 *fence = dma_fence_get(f); 536 dma_fence_put(f); 537 return 0; 538 539 err: 540 amdgpu_job_free(job); 541 return r; 542 } 543 544 /** 545 * amdgpu_vce_get_destroy_msg - generate a VCE destroy msg 546 * 547 * @ring: ring we should submit the msg to 548 * @handle: VCE session handle to use 549 * @direct: direct or delayed pool 550 * @fence: optional fence to return 551 * 552 * Close up a stream for HW test or if userspace failed to do so 553 */ 554 static int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, 555 bool direct, struct dma_fence **fence) 556 { 557 const unsigned int ib_size_dw = 1024; 558 struct amdgpu_job *job; 559 struct amdgpu_ib *ib; 560 struct dma_fence *f = NULL; 561 int i, r; 562 563 r = amdgpu_job_alloc_with_ib(ring->adev, &ring->adev->vce.entity, 564 AMDGPU_FENCE_OWNER_UNDEFINED, 565 ib_size_dw * 4, 566 direct ? AMDGPU_IB_POOL_DIRECT : 567 AMDGPU_IB_POOL_DELAYED, &job, 568 AMDGPU_KERNEL_JOB_ID_VCN_RING_TEST); 569 if (r) 570 return r; 571 572 ib = &job->ibs[0]; 573 574 /* stitch together an VCE destroy msg */ 575 ib->length_dw = 0; 576 ib->ptr[ib->length_dw++] = 0x0000000c; /* len */ 577 ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */ 578 ib->ptr[ib->length_dw++] = handle; 579 580 ib->ptr[ib->length_dw++] = 0x00000020; /* len */ 581 ib->ptr[ib->length_dw++] = 0x00000002; /* task info */ 582 ib->ptr[ib->length_dw++] = 0xffffffff; /* next task info, set to 0xffffffff if no */ 583 ib->ptr[ib->length_dw++] = 0x00000001; /* destroy session */ 584 ib->ptr[ib->length_dw++] = 0x00000000; 585 ib->ptr[ib->length_dw++] = 0x00000000; 586 ib->ptr[ib->length_dw++] = 0xffffffff; /* feedback is not needed, set to 0xffffffff and firmware will not output feedback */ 587 ib->ptr[ib->length_dw++] = 0x00000000; 588 589 ib->ptr[ib->length_dw++] = 0x00000008; /* len */ 590 ib->ptr[ib->length_dw++] = 0x02000001; /* destroy cmd */ 591 592 for (i = ib->length_dw; i < ib_size_dw; ++i) 593 ib->ptr[i] = 0x0; 594 595 if (direct) 596 r = amdgpu_job_submit_direct(job, ring, &f); 597 else 598 f = amdgpu_job_submit(job); 599 if (r) 600 goto err; 601 602 if (fence) 603 *fence = dma_fence_get(f); 604 dma_fence_put(f); 605 return 0; 606 607 err: 608 amdgpu_job_free(job); 609 return r; 610 } 611 612 /** 613 * amdgpu_vce_validate_bo - make sure not to cross 4GB boundary 614 * 615 * @p: cs parser 616 * @ib: indirect buffer to use 617 * @lo: address of lower dword 618 * @hi: address of higher dword 619 * @size: minimum size 620 * @index: bs/fb index 621 * 622 * Make sure that no BO cross a 4GB boundary. 623 */ 624 static int amdgpu_vce_validate_bo(struct amdgpu_cs_parser *p, 625 struct amdgpu_ib *ib, int lo, int hi, 626 unsigned int size, int32_t index) 627 { 628 int64_t offset = ((uint64_t)size) * ((int64_t)index); 629 struct ttm_operation_ctx ctx = { false, false }; 630 struct amdgpu_bo_va_mapping *mapping; 631 unsigned int i, fpfn, lpfn; 632 struct amdgpu_bo *bo; 633 uint64_t addr; 634 int r; 635 636 addr = ((uint64_t)amdgpu_ib_get_value(ib, lo)) | 637 ((uint64_t)amdgpu_ib_get_value(ib, hi)) << 32; 638 if (index >= 0) { 639 addr += offset; 640 fpfn = PAGE_ALIGN(offset) >> PAGE_SHIFT; 641 lpfn = 0x100000000ULL >> PAGE_SHIFT; 642 } else { 643 fpfn = 0; 644 lpfn = (0x100000000ULL - PAGE_ALIGN(offset)) >> PAGE_SHIFT; 645 } 646 647 r = amdgpu_cs_find_mapping(p, addr, &bo, &mapping); 648 if (r) { 649 DRM_ERROR("Can't find BO for addr 0x%010llx %d %d %d %d\n", 650 addr, lo, hi, size, index); 651 return r; 652 } 653 654 for (i = 0; i < bo->placement.num_placement; ++i) { 655 bo->placements[i].fpfn = max(bo->placements[i].fpfn, fpfn); 656 bo->placements[i].lpfn = bo->placements[i].lpfn ? 657 min(bo->placements[i].lpfn, lpfn) : lpfn; 658 } 659 return ttm_bo_validate(&bo->tbo, &bo->placement, &ctx); 660 } 661 662 663 /** 664 * amdgpu_vce_cs_reloc - command submission relocation 665 * 666 * @p: parser context 667 * @ib: indirect buffer to use 668 * @lo: address of lower dword 669 * @hi: address of higher dword 670 * @size: minimum size 671 * @index: bs/fb index 672 * 673 * Patch relocation inside command stream with real buffer address 674 */ 675 static int amdgpu_vce_cs_reloc(struct amdgpu_cs_parser *p, struct amdgpu_ib *ib, 676 int lo, int hi, unsigned int size, uint32_t index) 677 { 678 struct amdgpu_bo_va_mapping *mapping; 679 struct amdgpu_bo *bo; 680 uint64_t addr; 681 int r; 682 683 if (lo >= ib->length_dw || hi >= ib->length_dw) 684 return -EINVAL; 685 686 if (index == 0xffffffff) 687 index = 0; 688 689 addr = ((uint64_t)amdgpu_ib_get_value(ib, lo)) | 690 ((uint64_t)amdgpu_ib_get_value(ib, hi)) << 32; 691 addr += ((uint64_t)size) * ((uint64_t)index); 692 693 r = amdgpu_cs_find_mapping(p, addr, &bo, &mapping); 694 if (r) { 695 DRM_ERROR("Can't find BO for addr 0x%010llx %d %d %d %d\n", 696 addr, lo, hi, size, index); 697 return r; 698 } 699 700 if ((addr + (uint64_t)size) > 701 (mapping->last + 1) * AMDGPU_GPU_PAGE_SIZE) { 702 DRM_ERROR("BO too small for addr 0x%010llx %d %d\n", 703 addr, lo, hi); 704 return -EINVAL; 705 } 706 707 addr -= mapping->start * AMDGPU_GPU_PAGE_SIZE; 708 addr += amdgpu_bo_gpu_offset(bo); 709 addr -= ((uint64_t)size) * ((uint64_t)index); 710 711 amdgpu_ib_set_value(ib, lo, lower_32_bits(addr)); 712 amdgpu_ib_set_value(ib, hi, upper_32_bits(addr)); 713 714 return 0; 715 } 716 717 /** 718 * amdgpu_vce_validate_handle - validate stream handle 719 * 720 * @p: parser context 721 * @handle: handle to validate 722 * @allocated: allocated a new handle? 723 * 724 * Validates the handle and return the found session index or -EINVAL 725 * we don't have another free session index. 726 */ 727 static int amdgpu_vce_validate_handle(struct amdgpu_cs_parser *p, 728 uint32_t handle, uint32_t *allocated) 729 { 730 unsigned int i; 731 732 /* validate the handle */ 733 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { 734 if (atomic_read(&p->adev->vce.handles[i]) == handle) { 735 if (p->adev->vce.filp[i] != p->filp) { 736 DRM_ERROR("VCE handle collision detected!\n"); 737 return -EINVAL; 738 } 739 return i; 740 } 741 } 742 743 /* handle not found try to alloc a new one */ 744 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) { 745 if (!atomic_cmpxchg(&p->adev->vce.handles[i], 0, handle)) { 746 p->adev->vce.filp[i] = p->filp; 747 p->adev->vce.img_size[i] = 0; 748 *allocated |= 1 << i; 749 return i; 750 } 751 } 752 753 DRM_ERROR("No more free VCE handles!\n"); 754 return -EINVAL; 755 } 756 757 /** 758 * amdgpu_vce_ring_parse_cs - parse and validate the command stream 759 * 760 * @p: parser context 761 * @job: the job to parse 762 * @ib: the IB to patch 763 */ 764 int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, 765 struct amdgpu_job *job, 766 struct amdgpu_ib *ib) 767 { 768 unsigned int fb_idx = 0, bs_idx = 0; 769 int session_idx = -1; 770 uint32_t destroyed = 0; 771 uint32_t created = 0; 772 uint32_t allocated = 0; 773 uint32_t tmp, handle = 0; 774 uint32_t dummy = 0xffffffff; 775 uint32_t *size = &dummy; 776 unsigned int idx; 777 int i, r = 0; 778 779 job->vm = NULL; 780 781 for (idx = 0; idx < ib->length_dw;) { 782 uint32_t len = amdgpu_ib_get_value(ib, idx); 783 uint32_t cmd = amdgpu_ib_get_value(ib, idx + 1); 784 785 if ((len < 8) || (len & 3)) { 786 DRM_ERROR("invalid VCE command length (%d)!\n", len); 787 r = -EINVAL; 788 goto out; 789 } 790 791 switch (cmd) { 792 case 0x00000002: /* task info */ 793 fb_idx = amdgpu_ib_get_value(ib, idx + 6); 794 bs_idx = amdgpu_ib_get_value(ib, idx + 7); 795 break; 796 797 case 0x03000001: /* encode */ 798 r = amdgpu_vce_validate_bo(p, ib, idx + 10, idx + 9, 799 0, 0); 800 if (r) 801 goto out; 802 803 r = amdgpu_vce_validate_bo(p, ib, idx + 12, idx + 11, 804 0, 0); 805 if (r) 806 goto out; 807 break; 808 809 case 0x05000001: /* context buffer */ 810 r = amdgpu_vce_validate_bo(p, ib, idx + 3, idx + 2, 811 0, 0); 812 if (r) 813 goto out; 814 break; 815 816 case 0x05000004: /* video bitstream buffer */ 817 tmp = amdgpu_ib_get_value(ib, idx + 4); 818 r = amdgpu_vce_validate_bo(p, ib, idx + 3, idx + 2, 819 tmp, bs_idx); 820 if (r) 821 goto out; 822 break; 823 824 case 0x05000005: /* feedback buffer */ 825 r = amdgpu_vce_validate_bo(p, ib, idx + 3, idx + 2, 826 4096, fb_idx); 827 if (r) 828 goto out; 829 break; 830 831 case 0x0500000d: /* MV buffer */ 832 r = amdgpu_vce_validate_bo(p, ib, idx + 3, idx + 2, 833 0, 0); 834 if (r) 835 goto out; 836 837 r = amdgpu_vce_validate_bo(p, ib, idx + 8, idx + 7, 838 0, 0); 839 if (r) 840 goto out; 841 break; 842 } 843 844 idx += len / 4; 845 } 846 847 for (idx = 0; idx < ib->length_dw;) { 848 uint32_t len = amdgpu_ib_get_value(ib, idx); 849 uint32_t cmd = amdgpu_ib_get_value(ib, idx + 1); 850 851 switch (cmd) { 852 case 0x00000001: /* session */ 853 handle = amdgpu_ib_get_value(ib, idx + 2); 854 session_idx = amdgpu_vce_validate_handle(p, handle, 855 &allocated); 856 if (session_idx < 0) { 857 r = session_idx; 858 goto out; 859 } 860 size = &p->adev->vce.img_size[session_idx]; 861 break; 862 863 case 0x00000002: /* task info */ 864 fb_idx = amdgpu_ib_get_value(ib, idx + 6); 865 bs_idx = amdgpu_ib_get_value(ib, idx + 7); 866 break; 867 868 case 0x01000001: /* create */ 869 created |= 1 << session_idx; 870 if (destroyed & (1 << session_idx)) { 871 destroyed &= ~(1 << session_idx); 872 allocated |= 1 << session_idx; 873 874 } else if (!(allocated & (1 << session_idx))) { 875 DRM_ERROR("Handle already in use!\n"); 876 r = -EINVAL; 877 goto out; 878 } 879 880 *size = amdgpu_ib_get_value(ib, idx + 8) * 881 amdgpu_ib_get_value(ib, idx + 10) * 882 8 * 3 / 2; 883 break; 884 885 case 0x04000001: /* config extension */ 886 case 0x04000002: /* pic control */ 887 case 0x04000005: /* rate control */ 888 case 0x04000007: /* motion estimation */ 889 case 0x04000008: /* rdo */ 890 case 0x04000009: /* vui */ 891 case 0x05000002: /* auxiliary buffer */ 892 case 0x05000009: /* clock table */ 893 break; 894 895 case 0x0500000c: /* hw config */ 896 switch (p->adev->asic_type) { 897 #ifdef CONFIG_DRM_AMDGPU_CIK 898 case CHIP_KAVERI: 899 case CHIP_MULLINS: 900 #endif 901 case CHIP_CARRIZO: 902 break; 903 default: 904 r = -EINVAL; 905 goto out; 906 } 907 break; 908 909 case 0x03000001: /* encode */ 910 r = amdgpu_vce_cs_reloc(p, ib, idx + 10, idx + 9, 911 *size, 0); 912 if (r) 913 goto out; 914 915 r = amdgpu_vce_cs_reloc(p, ib, idx + 12, idx + 11, 916 *size / 3, 0); 917 if (r) 918 goto out; 919 break; 920 921 case 0x02000001: /* destroy */ 922 destroyed |= 1 << session_idx; 923 break; 924 925 case 0x05000001: /* context buffer */ 926 r = amdgpu_vce_cs_reloc(p, ib, idx + 3, idx + 2, 927 *size * 2, 0); 928 if (r) 929 goto out; 930 break; 931 932 case 0x05000004: /* video bitstream buffer */ 933 tmp = amdgpu_ib_get_value(ib, idx + 4); 934 r = amdgpu_vce_cs_reloc(p, ib, idx + 3, idx + 2, 935 tmp, bs_idx); 936 if (r) 937 goto out; 938 break; 939 940 case 0x05000005: /* feedback buffer */ 941 r = amdgpu_vce_cs_reloc(p, ib, idx + 3, idx + 2, 942 4096, fb_idx); 943 if (r) 944 goto out; 945 break; 946 947 case 0x0500000d: /* MV buffer */ 948 r = amdgpu_vce_cs_reloc(p, ib, idx + 3, 949 idx + 2, *size, 0); 950 if (r) 951 goto out; 952 953 r = amdgpu_vce_cs_reloc(p, ib, idx + 8, 954 idx + 7, *size / 12, 0); 955 if (r) 956 goto out; 957 break; 958 959 default: 960 DRM_ERROR("invalid VCE command (0x%x)!\n", cmd); 961 r = -EINVAL; 962 goto out; 963 } 964 965 if (session_idx == -1) { 966 DRM_ERROR("no session command at start of IB\n"); 967 r = -EINVAL; 968 goto out; 969 } 970 971 idx += len / 4; 972 } 973 974 if (allocated & ~created) { 975 DRM_ERROR("New session without create command!\n"); 976 r = -ENOENT; 977 } 978 979 out: 980 if (!r) { 981 /* No error, free all destroyed handle slots */ 982 tmp = destroyed; 983 } else { 984 /* Error during parsing, free all allocated handle slots */ 985 tmp = allocated; 986 } 987 988 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) 989 if (tmp & (1 << i)) 990 atomic_set(&p->adev->vce.handles[i], 0); 991 992 return r; 993 } 994 995 /** 996 * amdgpu_vce_ring_parse_cs_vm - parse the command stream in VM mode 997 * 998 * @p: parser context 999 * @job: the job to parse 1000 * @ib: the IB to patch 1001 */ 1002 int amdgpu_vce_ring_parse_cs_vm(struct amdgpu_cs_parser *p, 1003 struct amdgpu_job *job, 1004 struct amdgpu_ib *ib) 1005 { 1006 int session_idx = -1; 1007 uint32_t destroyed = 0; 1008 uint32_t created = 0; 1009 uint32_t allocated = 0; 1010 uint32_t tmp, handle = 0; 1011 int i, r = 0, idx = 0; 1012 1013 while (idx < ib->length_dw) { 1014 uint32_t len = amdgpu_ib_get_value(ib, idx); 1015 uint32_t cmd = amdgpu_ib_get_value(ib, idx + 1); 1016 1017 if ((len < 8) || (len & 3)) { 1018 DRM_ERROR("invalid VCE command length (%d)!\n", len); 1019 r = -EINVAL; 1020 goto out; 1021 } 1022 1023 switch (cmd) { 1024 case 0x00000001: /* session */ 1025 handle = amdgpu_ib_get_value(ib, idx + 2); 1026 session_idx = amdgpu_vce_validate_handle(p, handle, 1027 &allocated); 1028 if (session_idx < 0) { 1029 r = session_idx; 1030 goto out; 1031 } 1032 break; 1033 1034 case 0x01000001: /* create */ 1035 created |= 1 << session_idx; 1036 if (destroyed & (1 << session_idx)) { 1037 destroyed &= ~(1 << session_idx); 1038 allocated |= 1 << session_idx; 1039 1040 } else if (!(allocated & (1 << session_idx))) { 1041 DRM_ERROR("Handle already in use!\n"); 1042 r = -EINVAL; 1043 goto out; 1044 } 1045 1046 break; 1047 1048 case 0x02000001: /* destroy */ 1049 destroyed |= 1 << session_idx; 1050 break; 1051 1052 default: 1053 break; 1054 } 1055 1056 if (session_idx == -1) { 1057 DRM_ERROR("no session command at start of IB\n"); 1058 r = -EINVAL; 1059 goto out; 1060 } 1061 1062 idx += len / 4; 1063 } 1064 1065 if (allocated & ~created) { 1066 DRM_ERROR("New session without create command!\n"); 1067 r = -ENOENT; 1068 } 1069 1070 out: 1071 if (!r) { 1072 /* No error, free all destroyed handle slots */ 1073 tmp = destroyed; 1074 } else { 1075 /* Error during parsing, free all allocated handle slots */ 1076 tmp = allocated; 1077 } 1078 1079 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) 1080 if (tmp & (1 << i)) 1081 atomic_set(&p->adev->vce.handles[i], 0); 1082 1083 return r; 1084 } 1085 1086 /** 1087 * amdgpu_vce_ring_emit_ib - execute indirect buffer 1088 * 1089 * @ring: engine to use 1090 * @job: job to retrieve vmid from 1091 * @ib: the IB to execute 1092 * @flags: unused 1093 * 1094 */ 1095 void amdgpu_vce_ring_emit_ib(struct amdgpu_ring *ring, 1096 struct amdgpu_job *job, 1097 struct amdgpu_ib *ib, 1098 uint32_t flags) 1099 { 1100 amdgpu_ring_write(ring, VCE_CMD_IB); 1101 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)); 1102 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 1103 amdgpu_ring_write(ring, ib->length_dw); 1104 } 1105 1106 /** 1107 * amdgpu_vce_ring_emit_fence - add a fence command to the ring 1108 * 1109 * @ring: engine to use 1110 * @addr: address 1111 * @seq: sequence number 1112 * @flags: fence related flags 1113 * 1114 */ 1115 void amdgpu_vce_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, 1116 unsigned int flags) 1117 { 1118 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT); 1119 1120 amdgpu_ring_write(ring, VCE_CMD_FENCE); 1121 amdgpu_ring_write(ring, addr); 1122 amdgpu_ring_write(ring, upper_32_bits(addr)); 1123 amdgpu_ring_write(ring, seq); 1124 amdgpu_ring_write(ring, VCE_CMD_TRAP); 1125 amdgpu_ring_write(ring, VCE_CMD_END); 1126 } 1127 1128 /** 1129 * amdgpu_vce_ring_test_ring - test if VCE ring is working 1130 * 1131 * @ring: the engine to test on 1132 * 1133 */ 1134 int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring) 1135 { 1136 struct amdgpu_device *adev = ring->adev; 1137 uint32_t rptr; 1138 unsigned int i; 1139 int r, timeout = adev->usec_timeout; 1140 1141 /* skip ring test for sriov*/ 1142 if (amdgpu_sriov_vf(adev)) 1143 return 0; 1144 1145 r = amdgpu_ring_alloc(ring, 16); 1146 if (r) 1147 return r; 1148 1149 rptr = amdgpu_ring_get_rptr(ring); 1150 1151 amdgpu_ring_write(ring, VCE_CMD_END); 1152 amdgpu_ring_commit(ring); 1153 1154 for (i = 0; i < timeout; i++) { 1155 if (amdgpu_ring_get_rptr(ring) != rptr) 1156 break; 1157 udelay(1); 1158 } 1159 1160 if (i >= timeout) 1161 r = -ETIMEDOUT; 1162 1163 return r; 1164 } 1165 1166 /** 1167 * amdgpu_vce_ring_test_ib - test if VCE IBs are working 1168 * 1169 * @ring: the engine to test on 1170 * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT 1171 * 1172 */ 1173 int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout) 1174 { 1175 struct dma_fence *fence = NULL; 1176 long r; 1177 1178 /* skip vce ring1/2 ib test for now, since it's not reliable */ 1179 if (ring != &ring->adev->vce.ring[0]) 1180 return 0; 1181 1182 r = amdgpu_vce_get_create_msg(ring, 1, NULL); 1183 if (r) 1184 goto error; 1185 1186 r = amdgpu_vce_get_destroy_msg(ring, 1, true, &fence); 1187 if (r) 1188 goto error; 1189 1190 r = dma_fence_wait_timeout(fence, false, timeout); 1191 if (r == 0) 1192 r = -ETIMEDOUT; 1193 else if (r > 0) 1194 r = 0; 1195 1196 error: 1197 dma_fence_put(fence); 1198 return r; 1199 } 1200 1201 enum amdgpu_ring_priority_level amdgpu_vce_get_ring_prio(int ring) 1202 { 1203 switch (ring) { 1204 case 0: 1205 return AMDGPU_RING_PRIO_0; 1206 case 1: 1207 return AMDGPU_RING_PRIO_1; 1208 case 2: 1209 return AMDGPU_RING_PRIO_2; 1210 default: 1211 return AMDGPU_RING_PRIO_0; 1212 } 1213 } 1214