drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c

   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 <[email protected]>
  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, AMDGPU_UCODE_REQUIRED, "%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         for (i = 0; i < adev->vce.num_rings; i++)
 218                 amdgpu_ring_fini(&adev->vce.ring[i]);
 219
 220         amdgpu_ucode_release(&adev->vce.fw);
 221         mutex_destroy(&adev->vce.idle_mutex);
 222
 223         amdgpu_bo_free_kernel(&adev->vce.vcpu_bo, &adev->vce.gpu_addr,
 224                 (void **)&adev->vce.cpu_addr);
 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(&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 }