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

   1 /*
   2  * Copyright 2011 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  */
  26 /*
  27  * Authors:
  28  *    Christian König <deathsimple@vodafone.de>
  29  */
  30
  31 #include <linux/firmware.h>
  32 #include <linux/module.h>
  33
  34 #include <drm/drm.h>
  35
  36 #include "amdgpu.h"
  37 #include "amdgpu_pm.h"
  38 #include "amdgpu_uvd.h"
  39 #include "cikd.h"
  40 #include "uvd/uvd_4_2_d.h"
  41
  42 #include "amdgpu_ras.h"
  43
  44 /* 1 second timeout */
  45 #define UVD_IDLE_TIMEOUT        msecs_to_jiffies(1000)
  46
  47 /* Firmware versions for VI */
  48 #define FW_1_65_10      ((1 << 24) | (65 << 16) | (10 << 8))
  49 #define FW_1_87_11      ((1 << 24) | (87 << 16) | (11 << 8))
  50 #define FW_1_87_12      ((1 << 24) | (87 << 16) | (12 << 8))
  51 #define FW_1_37_15      ((1 << 24) | (37 << 16) | (15 << 8))
  52
  53 /* Polaris10/11 firmware version */
  54 #define FW_1_66_16      ((1 << 24) | (66 << 16) | (16 << 8))
  55
  56 /* Firmware Names */
  57 #ifdef CONFIG_DRM_AMDGPU_CIK
  58 #define FIRMWARE_BONAIRE        "amdgpu/bonaire_uvd.bin"
  59 #define FIRMWARE_KABINI "amdgpu/kabini_uvd.bin"
  60 #define FIRMWARE_KAVERI "amdgpu/kaveri_uvd.bin"
  61 #define FIRMWARE_HAWAII "amdgpu/hawaii_uvd.bin"
  62 #define FIRMWARE_MULLINS        "amdgpu/mullins_uvd.bin"
  63 #endif
  64 #define FIRMWARE_TONGA          "amdgpu/tonga_uvd.bin"
  65 #define FIRMWARE_CARRIZO        "amdgpu/carrizo_uvd.bin"
  66 #define FIRMWARE_FIJI           "amdgpu/fiji_uvd.bin"
  67 #define FIRMWARE_STONEY         "amdgpu/stoney_uvd.bin"
  68 #define FIRMWARE_POLARIS10      "amdgpu/polaris10_uvd.bin"
  69 #define FIRMWARE_POLARIS11      "amdgpu/polaris11_uvd.bin"
  70 #define FIRMWARE_POLARIS12      "amdgpu/polaris12_uvd.bin"
  71 #define FIRMWARE_VEGAM          "amdgpu/vegam_uvd.bin"
  72
  73 #define FIRMWARE_VEGA10         "amdgpu/vega10_uvd.bin"
  74 #define FIRMWARE_VEGA12         "amdgpu/vega12_uvd.bin"
  75 #define FIRMWARE_VEGA20         "amdgpu/vega20_uvd.bin"
  76
  77 /* These are common relative offsets for all asics, from uvd_7_0_offset.h,  */
  78 #define UVD_GPCOM_VCPU_CMD              0x03c3
  79 #define UVD_GPCOM_VCPU_DATA0    0x03c4
  80 #define UVD_GPCOM_VCPU_DATA1    0x03c5
  81 #define UVD_NO_OP                               0x03ff
  82 #define UVD_BASE_SI                             0x3800
  83
  84 /**
  85  * amdgpu_uvd_cs_ctx - Command submission parser context
  86  *
  87  * Used for emulating virtual memory support on UVD 4.2.
  88  */
  89 struct amdgpu_uvd_cs_ctx {
  90         struct amdgpu_cs_parser *parser;
  91         unsigned reg, count;
  92         unsigned data0, data1;
  93         unsigned idx;
  94         unsigned ib_idx;
  95
  96         /* does the IB has a msg command */
  97         bool has_msg_cmd;
  98
  99         /* minimum buffer sizes */
 100         unsigned *buf_sizes;
 101 };
 102
 103 #ifdef CONFIG_DRM_AMDGPU_CIK
 104 MODULE_FIRMWARE(FIRMWARE_BONAIRE);
 105 MODULE_FIRMWARE(FIRMWARE_KABINI);
 106 MODULE_FIRMWARE(FIRMWARE_KAVERI);
 107 MODULE_FIRMWARE(FIRMWARE_HAWAII);
 108 MODULE_FIRMWARE(FIRMWARE_MULLINS);
 109 #endif
 110 MODULE_FIRMWARE(FIRMWARE_TONGA);
 111 MODULE_FIRMWARE(FIRMWARE_CARRIZO);
 112 MODULE_FIRMWARE(FIRMWARE_FIJI);
 113 MODULE_FIRMWARE(FIRMWARE_STONEY);
 114 MODULE_FIRMWARE(FIRMWARE_POLARIS10);
 115 MODULE_FIRMWARE(FIRMWARE_POLARIS11);
 116 MODULE_FIRMWARE(FIRMWARE_POLARIS12);
 117 MODULE_FIRMWARE(FIRMWARE_VEGAM);
 118
 119 MODULE_FIRMWARE(FIRMWARE_VEGA10);
 120 MODULE_FIRMWARE(FIRMWARE_VEGA12);
 121 MODULE_FIRMWARE(FIRMWARE_VEGA20);
 122
 123 static void amdgpu_uvd_idle_work_handler(struct work_struct *work);
 124
 125 int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
 126 {
 127         unsigned long bo_size;
 128         const char *fw_name;
 129         const struct common_firmware_header *hdr;
 130         unsigned family_id;
 131         int i, j, r;
 132
 133         INIT_DELAYED_WORK(&adev->uvd.idle_work, amdgpu_uvd_idle_work_handler);
 134
 135         switch (adev->asic_type) {
 136 #ifdef CONFIG_DRM_AMDGPU_CIK
 137         case CHIP_BONAIRE:
 138                 fw_name = FIRMWARE_BONAIRE;
 139                 break;
 140         case CHIP_KABINI:
 141                 fw_name = FIRMWARE_KABINI;
 142                 break;
 143         case CHIP_KAVERI:
 144                 fw_name = FIRMWARE_KAVERI;
 145                 break;
 146         case CHIP_HAWAII:
 147                 fw_name = FIRMWARE_HAWAII;
 148                 break;
 149         case CHIP_MULLINS:
 150                 fw_name = FIRMWARE_MULLINS;
 151                 break;
 152 #endif
 153         case CHIP_TONGA:
 154                 fw_name = FIRMWARE_TONGA;
 155                 break;
 156         case CHIP_FIJI:
 157                 fw_name = FIRMWARE_FIJI;
 158                 break;
 159         case CHIP_CARRIZO:
 160                 fw_name = FIRMWARE_CARRIZO;
 161                 break;
 162         case CHIP_STONEY:
 163                 fw_name = FIRMWARE_STONEY;
 164                 break;
 165         case CHIP_POLARIS10:
 166                 fw_name = FIRMWARE_POLARIS10;
 167                 break;
 168         case CHIP_POLARIS11:
 169                 fw_name = FIRMWARE_POLARIS11;
 170                 break;
 171         case CHIP_POLARIS12:
 172                 fw_name = FIRMWARE_POLARIS12;
 173                 break;
 174         case CHIP_VEGA10:
 175                 fw_name = FIRMWARE_VEGA10;
 176                 break;
 177         case CHIP_VEGA12:
 178                 fw_name = FIRMWARE_VEGA12;
 179                 break;
 180         case CHIP_VEGAM:
 181                 fw_name = FIRMWARE_VEGAM;
 182                 break;
 183         case CHIP_VEGA20:
 184                 fw_name = FIRMWARE_VEGA20;
 185                 break;
 186         default:
 187                 return -EINVAL;
 188         }
 189
 190         r = request_firmware(&adev->uvd.fw, fw_name, adev->dev);
 191         if (r) {
 192                 dev_err(adev->dev, "amdgpu_uvd: Can't load firmware \"%s\"\n",
 193                         fw_name);
 194                 return r;
 195         }
 196
 197         r = amdgpu_ucode_validate(adev->uvd.fw);
 198         if (r) {
 199                 dev_err(adev->dev, "amdgpu_uvd: Can't validate firmware \"%s\"\n",
 200                         fw_name);
 201                 release_firmware(adev->uvd.fw);
 202                 adev->uvd.fw = NULL;
 203                 return r;
 204         }
 205
 206         /* Set the default UVD handles that the firmware can handle */
 207         adev->uvd.max_handles = AMDGPU_DEFAULT_UVD_HANDLES;
 208
 209         hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
 210         family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
 211
 212         if (adev->asic_type < CHIP_VEGA20) {
 213                 unsigned version_major, version_minor;
 214
 215                 version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
 216                 version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
 217                 DRM_INFO("Found UVD firmware Version: %hu.%hu Family ID: %hu\n",
 218                         version_major, version_minor, family_id);
 219
 220                 /*
 221                  * Limit the number of UVD handles depending on microcode major
 222                  * and minor versions. The firmware version which has 40 UVD
 223                  * instances support is 1.80. So all subsequent versions should
 224                  * also have the same support.
 225                  */
 226                 if ((version_major > 0x01) ||
 227                     ((version_major == 0x01) && (version_minor >= 0x50)))
 228                         adev->uvd.max_handles = AMDGPU_MAX_UVD_HANDLES;
 229
 230                 adev->uvd.fw_version = ((version_major << 24) | (version_minor << 16) |
 231                                         (family_id << 8));
 232
 233                 if ((adev->asic_type == CHIP_POLARIS10 ||
 234                      adev->asic_type == CHIP_POLARIS11) &&
 235                     (adev->uvd.fw_version < FW_1_66_16))
 236                         DRM_ERROR("POLARIS10/11 UVD firmware version %hu.%hu is too old.\n",
 237                                   version_major, version_minor);
 238         } else {
 239                 unsigned int enc_major, enc_minor, dec_minor;
 240
 241                 dec_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
 242                 enc_minor = (le32_to_cpu(hdr->ucode_version) >> 24) & 0x3f;
 243                 enc_major = (le32_to_cpu(hdr->ucode_version) >> 30) & 0x3;
 244                 DRM_INFO("Found UVD firmware ENC: %hu.%hu DEC: .%hu Family ID: %hu\n",
 245                         enc_major, enc_minor, dec_minor, family_id);
 246
 247                 adev->uvd.max_handles = AMDGPU_MAX_UVD_HANDLES;
 248
 249                 adev->uvd.fw_version = le32_to_cpu(hdr->ucode_version);
 250         }
 251
 252         bo_size = AMDGPU_UVD_STACK_SIZE + AMDGPU_UVD_HEAP_SIZE
 253                   +  AMDGPU_UVD_SESSION_SIZE * adev->uvd.max_handles;
 254         if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
 255                 bo_size += AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
 256
 257         for (j = 0; j < adev->uvd.num_uvd_inst; j++) {
 258                 if (adev->uvd.harvest_config & (1 << j))
 259                         continue;
 260                 r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
 261                                             AMDGPU_GEM_DOMAIN_VRAM, &adev->uvd.inst[j].vcpu_bo,
 262                                             &adev->uvd.inst[j].gpu_addr, &adev->uvd.inst[j].cpu_addr);
 263                 if (r) {
 264                         dev_err(adev->dev, "(%d) failed to allocate UVD bo\n", r);
 265                         return r;
 266                 }
 267         }
 268
 269         for (i = 0; i < adev->uvd.max_handles; ++i) {
 270                 atomic_set(&adev->uvd.handles[i], 0);
 271                 adev->uvd.filp[i] = NULL;
 272         }
 273
 274         /* from uvd v5.0 HW addressing capacity increased to 64 bits */
 275         if (!amdgpu_device_ip_block_version_cmp(adev, AMD_IP_BLOCK_TYPE_UVD, 5, 0))
 276                 adev->uvd.address_64_bit = true;
 277
 278         switch (adev->asic_type) {
 279         case CHIP_TONGA:
 280                 adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_65_10;
 281                 break;
 282         case CHIP_CARRIZO:
 283                 adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_87_11;
 284                 break;
 285         case CHIP_FIJI:
 286                 adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_87_12;
 287                 break;
 288         case CHIP_STONEY:
 289                 adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_37_15;
 290                 break;
 291         default:
 292                 adev->uvd.use_ctx_buf = adev->asic_type >= CHIP_POLARIS10;
 293         }
 294
 295         return 0;
 296 }
 297
 298 int amdgpu_uvd_sw_fini(struct amdgpu_device *adev)
 299 {
 300         int i, j;
 301
 302         cancel_delayed_work_sync(&adev->uvd.idle_work);
 303         drm_sched_entity_destroy(&adev->uvd.entity);
 304
 305         for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
 306                 if (adev->uvd.harvest_config & (1 << j))
 307                         continue;
 308                 kvfree(adev->uvd.inst[j].saved_bo);
 309
 310                 amdgpu_bo_free_kernel(&adev->uvd.inst[j].vcpu_bo,
 311                                       &adev->uvd.inst[j].gpu_addr,
 312                                       (void **)&adev->uvd.inst[j].cpu_addr);
 313
 314                 amdgpu_ring_fini(&adev->uvd.inst[j].ring);
 315
 316                 for (i = 0; i < AMDGPU_MAX_UVD_ENC_RINGS; ++i)
 317                         amdgpu_ring_fini(&adev->uvd.inst[j].ring_enc[i]);
 318         }
 319         release_firmware(adev->uvd.fw);
 320
 321         return 0;
 322 }
 323
 324 /**
 325  * amdgpu_uvd_entity_init - init entity
 326  *
 327  * @adev: amdgpu_device pointer
 328  *
 329  */
 330 int amdgpu_uvd_entity_init(struct amdgpu_device *adev)
 331 {
 332         struct amdgpu_ring *ring;
 333         struct drm_gpu_scheduler *sched;
 334         int r;
 335
 336         ring = &adev->uvd.inst[0].ring;
 337         sched = &ring->sched;
 338         r = drm_sched_entity_init(&adev->uvd.entity, DRM_SCHED_PRIORITY_NORMAL,
 339                                   &sched, 1, NULL);
 340         if (r) {
 341                 DRM_ERROR("Failed setting up UVD kernel entity.\n");
 342                 return r;
 343         }
 344
 345         return 0;
 346 }
 347
 348 int amdgpu_uvd_suspend(struct amdgpu_device *adev)
 349 {
 350         unsigned size;
 351         void *ptr;
 352         int i, j;
 353         bool in_ras_intr = amdgpu_ras_intr_triggered();
 354
 355         cancel_delayed_work_sync(&adev->uvd.idle_work);
 356
 357         /* only valid for physical mode */
 358         if (adev->asic_type < CHIP_POLARIS10) {
 359                 for (i = 0; i < adev->uvd.max_handles; ++i)
 360                         if (atomic_read(&adev->uvd.handles[i]))
 361                                 break;
 362
 363                 if (i == adev->uvd.max_handles)
 364                         return 0;
 365         }
 366
 367         for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
 368                 if (adev->uvd.harvest_config & (1 << j))
 369                         continue;
 370                 if (adev->uvd.inst[j].vcpu_bo == NULL)
 371                         continue;
 372
 373                 size = amdgpu_bo_size(adev->uvd.inst[j].vcpu_bo);
 374                 ptr = adev->uvd.inst[j].cpu_addr;
 375
 376                 adev->uvd.inst[j].saved_bo = kvmalloc(size, GFP_KERNEL);
 377                 if (!adev->uvd.inst[j].saved_bo)
 378                         return -ENOMEM;
 379
 380                 /* re-write 0 since err_event_athub will corrupt VCPU buffer */
 381                 if (in_ras_intr)
 382                         memset(adev->uvd.inst[j].saved_bo, 0, size);
 383                 else
 384                         memcpy_fromio(adev->uvd.inst[j].saved_bo, ptr, size);
 385         }
 386
 387         if (in_ras_intr)
 388                 DRM_WARN("UVD VCPU state may lost due to RAS ERREVENT_ATHUB_INTERRUPT\n");
 389
 390         return 0;
 391 }
 392
 393 int amdgpu_uvd_resume(struct amdgpu_device *adev)
 394 {
 395         unsigned size;
 396         void *ptr;
 397         int i;
 398
 399         for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
 400                 if (adev->uvd.harvest_config & (1 << i))
 401                         continue;
 402                 if (adev->uvd.inst[i].vcpu_bo == NULL)
 403                         return -EINVAL;
 404
 405                 size = amdgpu_bo_size(adev->uvd.inst[i].vcpu_bo);
 406                 ptr = adev->uvd.inst[i].cpu_addr;
 407
 408                 if (adev->uvd.inst[i].saved_bo != NULL) {
 409                         memcpy_toio(ptr, adev->uvd.inst[i].saved_bo, size);
 410                         kvfree(adev->uvd.inst[i].saved_bo);
 411                         adev->uvd.inst[i].saved_bo = NULL;
 412                 } else {
 413                         const struct common_firmware_header *hdr;
 414                         unsigned offset;
 415
 416                         hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
 417                         if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
 418                                 offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
 419                                 memcpy_toio(adev->uvd.inst[i].cpu_addr, adev->uvd.fw->data + offset,
 420                                             le32_to_cpu(hdr->ucode_size_bytes));
 421                                 size -= le32_to_cpu(hdr->ucode_size_bytes);
 422                                 ptr += le32_to_cpu(hdr->ucode_size_bytes);
 423                         }
 424                         memset_io(ptr, 0, size);
 425                         /* to restore uvd fence seq */
 426                         amdgpu_fence_driver_force_completion(&adev->uvd.inst[i].ring);
 427                 }
 428         }
 429         return 0;
 430 }
 431
 432 void amdgpu_uvd_free_handles(struct amdgpu_device *adev, struct drm_file *filp)
 433 {
 434         struct amdgpu_ring *ring = &adev->uvd.inst[0].ring;
 435         int i, r;
 436
 437         for (i = 0; i < adev->uvd.max_handles; ++i) {
 438                 uint32_t handle = atomic_read(&adev->uvd.handles[i]);
 439
 440                 if (handle != 0 && adev->uvd.filp[i] == filp) {
 441                         struct dma_fence *fence;
 442
 443                         r = amdgpu_uvd_get_destroy_msg(ring, handle, false,
 444                                                        &fence);
 445                         if (r) {
 446                                 DRM_ERROR("Error destroying UVD %d!\n", r);
 447                                 continue;
 448                         }
 449
 450                         dma_fence_wait(fence, false);
 451                         dma_fence_put(fence);
 452
 453                         adev->uvd.filp[i] = NULL;
 454                         atomic_set(&adev->uvd.handles[i], 0);
 455                 }
 456         }
 457 }
 458
 459 static void amdgpu_uvd_force_into_uvd_segment(struct amdgpu_bo *abo)
 460 {
 461         int i;
 462         for (i = 0; i < abo->placement.num_placement; ++i) {
 463                 abo->placements[i].fpfn = 0 >> PAGE_SHIFT;
 464                 abo->placements[i].lpfn = (256 * 1024 * 1024) >> PAGE_SHIFT;
 465         }
 466 }
 467
 468 static u64 amdgpu_uvd_get_addr_from_ctx(struct amdgpu_uvd_cs_ctx *ctx)
 469 {
 470         uint32_t lo, hi;
 471         uint64_t addr;
 472
 473         lo = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->data0);
 474         hi = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->data1);
 475         addr = ((uint64_t)lo) | (((uint64_t)hi) << 32);
 476
 477         return addr;
 478 }
 479
 480 /**
 481  * amdgpu_uvd_cs_pass1 - first parsing round
 482  *
 483  * @ctx: UVD parser context
 484  *
 485  * Make sure UVD message and feedback buffers are in VRAM and
 486  * nobody is violating an 256MB boundary.
 487  */
 488 static int amdgpu_uvd_cs_pass1(struct amdgpu_uvd_cs_ctx *ctx)
 489 {
 490         struct ttm_operation_ctx tctx = { false, false };
 491         struct amdgpu_bo_va_mapping *mapping;
 492         struct amdgpu_bo *bo;
 493         uint32_t cmd;
 494         uint64_t addr = amdgpu_uvd_get_addr_from_ctx(ctx);
 495         int r = 0;
 496
 497         r = amdgpu_cs_find_mapping(ctx->parser, addr, &bo, &mapping);
 498         if (r) {
 499                 DRM_ERROR("Can't find BO for addr 0x%08Lx\n", addr);
 500                 return r;
 501         }
 502
 503         if (!ctx->parser->adev->uvd.address_64_bit) {
 504                 /* check if it's a message or feedback command */
 505                 cmd = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->idx) >> 1;
 506                 if (cmd == 0x0 || cmd == 0x3) {
 507                         /* yes, force it into VRAM */
 508                         uint32_t domain = AMDGPU_GEM_DOMAIN_VRAM;
 509                         amdgpu_bo_placement_from_domain(bo, domain);
 510                 }
 511                 amdgpu_uvd_force_into_uvd_segment(bo);
 512
 513                 r = ttm_bo_validate(&bo->tbo, &bo->placement, &tctx);
 514         }
 515
 516         return r;
 517 }
 518
 519 /**
 520  * amdgpu_uvd_cs_msg_decode - handle UVD decode message
 521  *
 522  * @msg: pointer to message structure
 523  * @buf_sizes: returned buffer sizes
 524  *
 525  * Peek into the decode message and calculate the necessary buffer sizes.
 526  */
 527 static int amdgpu_uvd_cs_msg_decode(struct amdgpu_device *adev, uint32_t *msg,
 528         unsigned buf_sizes[])
 529 {
 530         unsigned stream_type = msg[4];
 531         unsigned width = msg[6];
 532         unsigned height = msg[7];
 533         unsigned dpb_size = msg[9];
 534         unsigned pitch = msg[28];
 535         unsigned level = msg[57];
 536
 537         unsigned width_in_mb = width / 16;
 538         unsigned height_in_mb = ALIGN(height / 16, 2);
 539         unsigned fs_in_mb = width_in_mb * height_in_mb;
 540
 541         unsigned image_size, tmp, min_dpb_size, num_dpb_buffer;
 542         unsigned min_ctx_size = ~0;
 543
 544         image_size = width * height;
 545         image_size += image_size / 2;
 546         image_size = ALIGN(image_size, 1024);
 547
 548         switch (stream_type) {
 549         case 0: /* H264 */
 550                 switch(level) {
 551                 case 30:
 552                         num_dpb_buffer = 8100 / fs_in_mb;
 553                         break;
 554                 case 31:
 555                         num_dpb_buffer = 18000 / fs_in_mb;
 556                         break;
 557                 case 32:
 558                         num_dpb_buffer = 20480 / fs_in_mb;
 559                         break;
 560                 case 41:
 561                         num_dpb_buffer = 32768 / fs_in_mb;
 562                         break;
 563                 case 42:
 564                         num_dpb_buffer = 34816 / fs_in_mb;
 565                         break;
 566                 case 50:
 567                         num_dpb_buffer = 110400 / fs_in_mb;
 568                         break;
 569                 case 51:
 570                         num_dpb_buffer = 184320 / fs_in_mb;
 571                         break;
 572                 default:
 573                         num_dpb_buffer = 184320 / fs_in_mb;
 574                         break;
 575                 }
 576                 num_dpb_buffer++;
 577                 if (num_dpb_buffer > 17)
 578                         num_dpb_buffer = 17;
 579
 580                 /* reference picture buffer */
 581                 min_dpb_size = image_size * num_dpb_buffer;
 582
 583                 /* macroblock context buffer */
 584                 min_dpb_size += width_in_mb * height_in_mb * num_dpb_buffer * 192;
 585
 586                 /* IT surface buffer */
 587                 min_dpb_size += width_in_mb * height_in_mb * 32;
 588                 break;
 589
 590         case 1: /* VC1 */
 591
 592                 /* reference picture buffer */
 593                 min_dpb_size = image_size * 3;
 594
 595                 /* CONTEXT_BUFFER */
 596                 min_dpb_size += width_in_mb * height_in_mb * 128;
 597
 598                 /* IT surface buffer */
 599                 min_dpb_size += width_in_mb * 64;
 600
 601                 /* DB surface buffer */
 602                 min_dpb_size += width_in_mb * 128;
 603
 604                 /* BP */
 605                 tmp = max(width_in_mb, height_in_mb);
 606                 min_dpb_size += ALIGN(tmp * 7 * 16, 64);
 607                 break;
 608
 609         case 3: /* MPEG2 */
 610
 611                 /* reference picture buffer */
 612                 min_dpb_size = image_size * 3;
 613                 break;
 614
 615         case 4: /* MPEG4 */
 616
 617                 /* reference picture buffer */
 618                 min_dpb_size = image_size * 3;
 619
 620                 /* CM */
 621                 min_dpb_size += width_in_mb * height_in_mb * 64;
 622
 623                 /* IT surface buffer */
 624                 min_dpb_size += ALIGN(width_in_mb * height_in_mb * 32, 64);
 625                 break;
 626
 627         case 7: /* H264 Perf */
 628                 switch(level) {
 629                 case 30:
 630                         num_dpb_buffer = 8100 / fs_in_mb;
 631                         break;
 632                 case 31:
 633                         num_dpb_buffer = 18000 / fs_in_mb;
 634                         break;
 635                 case 32:
 636                         num_dpb_buffer = 20480 / fs_in_mb;
 637                         break;
 638                 case 41:
 639                         num_dpb_buffer = 32768 / fs_in_mb;
 640                         break;
 641                 case 42:
 642                         num_dpb_buffer = 34816 / fs_in_mb;
 643                         break;
 644                 case 50:
 645                         num_dpb_buffer = 110400 / fs_in_mb;
 646                         break;
 647                 case 51:
 648                         num_dpb_buffer = 184320 / fs_in_mb;
 649                         break;
 650                 default:
 651                         num_dpb_buffer = 184320 / fs_in_mb;
 652                         break;
 653                 }
 654                 num_dpb_buffer++;
 655                 if (num_dpb_buffer > 17)
 656                         num_dpb_buffer = 17;
 657
 658                 /* reference picture buffer */
 659                 min_dpb_size = image_size * num_dpb_buffer;
 660
 661                 if (!adev->uvd.use_ctx_buf){
 662                         /* macroblock context buffer */
 663                         min_dpb_size +=
 664                                 width_in_mb * height_in_mb * num_dpb_buffer * 192;
 665
 666                         /* IT surface buffer */
 667                         min_dpb_size += width_in_mb * height_in_mb * 32;
 668                 } else {
 669                         /* macroblock context buffer */
 670                         min_ctx_size =
 671                                 width_in_mb * height_in_mb * num_dpb_buffer * 192;
 672                 }
 673                 break;
 674
 675         case 8: /* MJPEG */
 676                 min_dpb_size = 0;
 677                 break;
 678
 679         case 16: /* H265 */
 680                 image_size = (ALIGN(width, 16) * ALIGN(height, 16) * 3) / 2;
 681                 image_size = ALIGN(image_size, 256);
 682
 683                 num_dpb_buffer = (le32_to_cpu(msg[59]) & 0xff) + 2;
 684                 min_dpb_size = image_size * num_dpb_buffer;
 685                 min_ctx_size = ((width + 255) / 16) * ((height + 255) / 16)
 686                                            * 16 * num_dpb_buffer + 52 * 1024;
 687                 break;
 688
 689         default:
 690                 DRM_ERROR("UVD codec not handled %d!\n", stream_type);
 691                 return -EINVAL;
 692         }
 693
 694         if (width > pitch) {
 695                 DRM_ERROR("Invalid UVD decoding target pitch!\n");
 696                 return -EINVAL;
 697         }
 698
 699         if (dpb_size < min_dpb_size) {
 700                 DRM_ERROR("Invalid dpb_size in UVD message (%d / %d)!\n",
 701                           dpb_size, min_dpb_size);
 702                 return -EINVAL;
 703         }
 704
 705         buf_sizes[0x1] = dpb_size;
 706         buf_sizes[0x2] = image_size;
 707         buf_sizes[0x4] = min_ctx_size;
 708         /* store image width to adjust nb memory pstate */
 709         adev->uvd.decode_image_width = width;
 710         return 0;
 711 }
 712
 713 /**
 714  * amdgpu_uvd_cs_msg - handle UVD message
 715  *
 716  * @ctx: UVD parser context
 717  * @bo: buffer object containing the message
 718  * @offset: offset into the buffer object
 719  *
 720  * Peek into the UVD message and extract the session id.
 721  * Make sure that we don't open up to many sessions.
 722  */
 723 static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
 724                              struct amdgpu_bo *bo, unsigned offset)
 725 {
 726         struct amdgpu_device *adev = ctx->parser->adev;
 727         int32_t *msg, msg_type, handle;
 728         void *ptr;
 729         long r;
 730         int i;
 731
 732         if (offset & 0x3F) {
 733                 DRM_ERROR("UVD messages must be 64 byte aligned!\n");
 734                 return -EINVAL;
 735         }
 736
 737         r = amdgpu_bo_kmap(bo, &ptr);
 738         if (r) {
 739                 DRM_ERROR("Failed mapping the UVD) message (%ld)!\n", r);
 740                 return r;
 741         }
 742
 743         msg = ptr + offset;
 744
 745         msg_type = msg[1];
 746         handle = msg[2];
 747
 748         if (handle == 0) {
 749                 DRM_ERROR("Invalid UVD handle!\n");
 750                 return -EINVAL;
 751         }
 752
 753         switch (msg_type) {
 754         case 0:
 755                 /* it's a create msg, calc image size (width * height) */
 756                 amdgpu_bo_kunmap(bo);
 757
 758                 /* try to alloc a new handle */
 759                 for (i = 0; i < adev->uvd.max_handles; ++i) {
 760                         if (atomic_read(&adev->uvd.handles[i]) == handle) {
 761                                 DRM_ERROR(")Handle 0x%x already in use!\n",
 762                                           handle);
 763                                 return -EINVAL;
 764                         }
 765
 766                         if (!atomic_cmpxchg(&adev->uvd.handles[i], 0, handle)) {
 767                                 adev->uvd.filp[i] = ctx->parser->filp;
 768                                 return 0;
 769                         }
 770                 }
 771
 772                 DRM_ERROR("No more free UVD handles!\n");
 773                 return -ENOSPC;
 774
 775         case 1:
 776                 /* it's a decode msg, calc buffer sizes */
 777                 r = amdgpu_uvd_cs_msg_decode(adev, msg, ctx->buf_sizes);
 778                 amdgpu_bo_kunmap(bo);
 779                 if (r)
 780                         return r;
 781
 782                 /* validate the handle */
 783                 for (i = 0; i < adev->uvd.max_handles; ++i) {
 784                         if (atomic_read(&adev->uvd.handles[i]) == handle) {
 785                                 if (adev->uvd.filp[i] != ctx->parser->filp) {
 786                                         DRM_ERROR("UVD handle collision detected!\n");
 787                                         return -EINVAL;
 788                                 }
 789                                 return 0;
 790                         }
 791                 }
 792
 793                 DRM_ERROR("Invalid UVD handle 0x%x!\n", handle);
 794                 return -ENOENT;
 795
 796         case 2:
 797                 /* it's a destroy msg, free the handle */
 798                 for (i = 0; i < adev->uvd.max_handles; ++i)
 799                         atomic_cmpxchg(&adev->uvd.handles[i], handle, 0);
 800                 amdgpu_bo_kunmap(bo);
 801                 return 0;
 802
 803         default:
 804                 DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
 805                 return -EINVAL;
 806         }
 807         BUG();
 808         return -EINVAL;
 809 }
 810
 811 /**
 812  * amdgpu_uvd_cs_pass2 - second parsing round
 813  *
 814  * @ctx: UVD parser context
 815  *
 816  * Patch buffer addresses, make sure buffer sizes are correct.
 817  */
 818 static int amdgpu_uvd_cs_pass2(struct amdgpu_uvd_cs_ctx *ctx)
 819 {
 820         struct amdgpu_bo_va_mapping *mapping;
 821         struct amdgpu_bo *bo;
 822         uint32_t cmd;
 823         uint64_t start, end;
 824         uint64_t addr = amdgpu_uvd_get_addr_from_ctx(ctx);
 825         int r;
 826
 827         r = amdgpu_cs_find_mapping(ctx->parser, addr, &bo, &mapping);
 828         if (r) {
 829                 DRM_ERROR("Can't find BO for addr 0x%08Lx\n", addr);
 830                 return r;
 831         }
 832
 833         start = amdgpu_bo_gpu_offset(bo);
 834
 835         end = (mapping->last + 1 - mapping->start);
 836         end = end * AMDGPU_GPU_PAGE_SIZE + start;
 837
 838         addr -= mapping->start * AMDGPU_GPU_PAGE_SIZE;
 839         start += addr;
 840
 841         amdgpu_set_ib_value(ctx->parser, ctx->ib_idx, ctx->data0,
 842                             lower_32_bits(start));
 843         amdgpu_set_ib_value(ctx->parser, ctx->ib_idx, ctx->data1,
 844                             upper_32_bits(start));
 845
 846         cmd = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->idx) >> 1;
 847         if (cmd < 0x4) {
 848                 if ((end - start) < ctx->buf_sizes[cmd]) {
 849                         DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd,
 850                                   (unsigned)(end - start),
 851                                   ctx->buf_sizes[cmd]);
 852                         return -EINVAL;
 853                 }
 854
 855         } else if (cmd == 0x206) {
 856                 if ((end - start) < ctx->buf_sizes[4]) {
 857                         DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd,
 858                                           (unsigned)(end - start),
 859                                           ctx->buf_sizes[4]);
 860                         return -EINVAL;
 861                 }
 862         } else if ((cmd != 0x100) && (cmd != 0x204)) {
 863                 DRM_ERROR("invalid UVD command %X!\n", cmd);
 864                 return -EINVAL;
 865         }
 866
 867         if (!ctx->parser->adev->uvd.address_64_bit) {
 868                 if ((start >> 28) != ((end - 1) >> 28)) {
 869                         DRM_ERROR("reloc %LX-%LX crossing 256MB boundary!\n",
 870                                   start, end);
 871                         return -EINVAL;
 872                 }
 873
 874                 if ((cmd == 0 || cmd == 0x3) &&
 875                     (start >> 28) != (ctx->parser->adev->uvd.inst->gpu_addr >> 28)) {
 876                         DRM_ERROR("msg/fb buffer %LX-%LX out of 256MB segment!\n",
 877                                   start, end);
 878                         return -EINVAL;
 879                 }
 880         }
 881
 882         if (cmd == 0) {
 883                 ctx->has_msg_cmd = true;
 884                 r = amdgpu_uvd_cs_msg(ctx, bo, addr);
 885                 if (r)
 886                         return r;
 887         } else if (!ctx->has_msg_cmd) {
 888                 DRM_ERROR("Message needed before other commands are send!\n");
 889                 return -EINVAL;
 890         }
 891
 892         return 0;
 893 }
 894
 895 /**
 896  * amdgpu_uvd_cs_reg - parse register writes
 897  *
 898  * @ctx: UVD parser context
 899  * @cb: callback function
 900  *
 901  * Parse the register writes, call cb on each complete command.
 902  */
 903 static int amdgpu_uvd_cs_reg(struct amdgpu_uvd_cs_ctx *ctx,
 904                              int (*cb)(struct amdgpu_uvd_cs_ctx *ctx))
 905 {
 906         struct amdgpu_ib *ib = &ctx->parser->job->ibs[ctx->ib_idx];
 907         int i, r;
 908
 909         ctx->idx++;
 910         for (i = 0; i <= ctx->count; ++i) {
 911                 unsigned reg = ctx->reg + i;
 912
 913                 if (ctx->idx >= ib->length_dw) {
 914                         DRM_ERROR("Register command after end of CS!\n");
 915                         return -EINVAL;
 916                 }
 917
 918                 switch (reg) {
 919                 case mmUVD_GPCOM_VCPU_DATA0:
 920                         ctx->data0 = ctx->idx;
 921                         break;
 922                 case mmUVD_GPCOM_VCPU_DATA1:
 923                         ctx->data1 = ctx->idx;
 924                         break;
 925                 case mmUVD_GPCOM_VCPU_CMD:
 926                         r = cb(ctx);
 927                         if (r)
 928                                 return r;
 929                         break;
 930                 case mmUVD_ENGINE_CNTL:
 931                 case mmUVD_NO_OP:
 932                         break;
 933                 default:
 934                         DRM_ERROR("Invalid reg 0x%X!\n", reg);
 935                         return -EINVAL;
 936                 }
 937                 ctx->idx++;
 938         }
 939         return 0;
 940 }
 941
 942 /**
 943  * amdgpu_uvd_cs_packets - parse UVD packets
 944  *
 945  * @ctx: UVD parser context
 946  * @cb: callback function
 947  *
 948  * Parse the command stream packets.
 949  */
 950 static int amdgpu_uvd_cs_packets(struct amdgpu_uvd_cs_ctx *ctx,
 951                                  int (*cb)(struct amdgpu_uvd_cs_ctx *ctx))
 952 {
 953         struct amdgpu_ib *ib = &ctx->parser->job->ibs[ctx->ib_idx];
 954         int r;
 955
 956         for (ctx->idx = 0 ; ctx->idx < ib->length_dw; ) {
 957                 uint32_t cmd = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->idx);
 958                 unsigned type = CP_PACKET_GET_TYPE(cmd);
 959                 switch (type) {
 960                 case PACKET_TYPE0:
 961                         ctx->reg = CP_PACKET0_GET_REG(cmd);
 962                         ctx->count = CP_PACKET_GET_COUNT(cmd);
 963                         r = amdgpu_uvd_cs_reg(ctx, cb);
 964                         if (r)
 965                                 return r;
 966                         break;
 967                 case PACKET_TYPE2:
 968                         ++ctx->idx;
 969                         break;
 970                 default:
 971                         DRM_ERROR("Unknown packet type %d !\n", type);
 972                         return -EINVAL;
 973                 }
 974         }
 975         return 0;
 976 }
 977
 978 /**
 979  * amdgpu_uvd_ring_parse_cs - UVD command submission parser
 980  *
 981  * @parser: Command submission parser context
 982  *
 983  * Parse the command stream, patch in addresses as necessary.
 984  */
 985 int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser, uint32_t ib_idx)
 986 {
 987         struct amdgpu_uvd_cs_ctx ctx = {};
 988         unsigned buf_sizes[] = {
 989                 [0x00000000]    =       2048,
 990                 [0x00000001]    =       0xFFFFFFFF,
 991                 [0x00000002]    =       0xFFFFFFFF,
 992                 [0x00000003]    =       2048,
 993                 [0x00000004]    =       0xFFFFFFFF,
 994         };
 995         struct amdgpu_ib *ib = &parser->job->ibs[ib_idx];
 996         int r;
 997
 998         parser->job->vm = NULL;
 999         ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo);
1000
1001         if (ib->length_dw % 16) {
1002                 DRM_ERROR("UVD IB length (%d) not 16 dwords aligned!\n",
1003                           ib->length_dw);
1004                 return -EINVAL;
1005         }
1006
1007         ctx.parser = parser;
1008         ctx.buf_sizes = buf_sizes;
1009         ctx.ib_idx = ib_idx;
1010
1011         /* first round only required on chips without UVD 64 bit address support */
1012         if (!parser->adev->uvd.address_64_bit) {
1013                 /* first round, make sure the buffers are actually in the UVD segment */
1014                 r = amdgpu_uvd_cs_packets(&ctx, amdgpu_uvd_cs_pass1);
1015                 if (r)
1016                         return r;
1017         }
1018
1019         /* second round, patch buffer addresses into the command stream */
1020         r = amdgpu_uvd_cs_packets(&ctx, amdgpu_uvd_cs_pass2);
1021         if (r)
1022                 return r;
1023
1024         if (!ctx.has_msg_cmd) {
1025                 DRM_ERROR("UVD-IBs need a msg command!\n");
1026                 return -EINVAL;
1027         }
1028
1029         return 0;
1030 }
1031
1032 static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo,
1033                                bool direct, struct dma_fence **fence)
1034 {
1035         struct amdgpu_device *adev = ring->adev;
1036         struct dma_fence *f = NULL;
1037         struct amdgpu_job *job;
1038         struct amdgpu_ib *ib;
1039         uint32_t data[4];
1040         uint64_t addr;
1041         long r;
1042         int i;
1043         unsigned offset_idx = 0;
1044         unsigned offset[3] = { UVD_BASE_SI, 0, 0 };
1045
1046         amdgpu_bo_kunmap(bo);
1047         amdgpu_bo_unpin(bo);
1048
1049         if (!ring->adev->uvd.address_64_bit) {
1050                 struct ttm_operation_ctx ctx = { true, false };
1051
1052                 amdgpu_bo_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_VRAM);
1053                 amdgpu_uvd_force_into_uvd_segment(bo);
1054                 r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
1055                 if (r)
1056                         goto err;
1057         }
1058
1059         r = amdgpu_job_alloc_with_ib(adev, 64, &job);
1060         if (r)
1061                 goto err;
1062
1063         if (adev->asic_type >= CHIP_VEGA10) {
1064                 offset_idx = 1 + ring->me;
1065                 offset[1] = adev->reg_offset[UVD_HWIP][0][1];
1066                 offset[2] = adev->reg_offset[UVD_HWIP][1][1];
1067         }
1068
1069         data[0] = PACKET0(offset[offset_idx] + UVD_GPCOM_VCPU_DATA0, 0);
1070         data[1] = PACKET0(offset[offset_idx] + UVD_GPCOM_VCPU_DATA1, 0);
1071         data[2] = PACKET0(offset[offset_idx] + UVD_GPCOM_VCPU_CMD, 0);
1072         data[3] = PACKET0(offset[offset_idx] + UVD_NO_OP, 0);
1073
1074         ib = &job->ibs[0];
1075         addr = amdgpu_bo_gpu_offset(bo);
1076         ib->ptr[0] = data[0];
1077         ib->ptr[1] = addr;
1078         ib->ptr[2] = data[1];
1079         ib->ptr[3] = addr >> 32;
1080         ib->ptr[4] = data[2];
1081         ib->ptr[5] = 0;
1082         for (i = 6; i < 16; i += 2) {
1083                 ib->ptr[i] = data[3];
1084                 ib->ptr[i+1] = 0;
1085         }
1086         ib->length_dw = 16;
1087
1088         if (direct) {
1089                 r = dma_resv_wait_timeout_rcu(bo->tbo.base.resv,
1090                                                         true, false,
1091                                                         msecs_to_jiffies(10));
1092                 if (r == 0)
1093                         r = -ETIMEDOUT;
1094                 if (r < 0)
1095                         goto err_free;
1096
1097                 r = amdgpu_job_submit_direct(job, ring, &f);
1098                 if (r)
1099                         goto err_free;
1100         } else {
1101                 r = amdgpu_sync_resv(adev, &job->sync, bo->tbo.base.resv,
1102                                      AMDGPU_FENCE_OWNER_UNDEFINED, false);
1103                 if (r)
1104                         goto err_free;
1105
1106                 r = amdgpu_job_submit(job, &adev->uvd.entity,
1107                                       AMDGPU_FENCE_OWNER_UNDEFINED, &f);
1108                 if (r)
1109                         goto err_free;
1110         }
1111
1112         amdgpu_bo_fence(bo, f, false);
1113         amdgpu_bo_unreserve(bo);
1114         amdgpu_bo_unref(&bo);
1115
1116         if (fence)
1117                 *fence = dma_fence_get(f);
1118         dma_fence_put(f);
1119
1120         return 0;
1121
1122 err_free:
1123         amdgpu_job_free(job);
1124
1125 err:
1126         amdgpu_bo_unreserve(bo);
1127         amdgpu_bo_unref(&bo);
1128         return r;
1129 }
1130
1131 /* multiple fence commands without any stream commands in between can
1132    crash the vcpu so just try to emmit a dummy create/destroy msg to
1133    avoid this */
1134 int amdgpu_uvd_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
1135                               struct dma_fence **fence)
1136 {
1137         struct amdgpu_device *adev = ring->adev;
1138         struct amdgpu_bo *bo = NULL;
1139         uint32_t *msg;
1140         int r, i;
1141
1142         r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
1143                                       AMDGPU_GEM_DOMAIN_VRAM,
1144                                       &bo, NULL, (void **)&msg);
1145         if (r)
1146                 return r;
1147
1148         /* stitch together an UVD create msg */
1149         msg[0] = cpu_to_le32(0x00000de4);
1150         msg[1] = cpu_to_le32(0x00000000);
1151         msg[2] = cpu_to_le32(handle);
1152         msg[3] = cpu_to_le32(0x00000000);
1153         msg[4] = cpu_to_le32(0x00000000);
1154         msg[5] = cpu_to_le32(0x00000000);
1155         msg[6] = cpu_to_le32(0x00000000);
1156         msg[7] = cpu_to_le32(0x00000780);
1157         msg[8] = cpu_to_le32(0x00000440);
1158         msg[9] = cpu_to_le32(0x00000000);
1159         msg[10] = cpu_to_le32(0x01b37000);
1160         for (i = 11; i < 1024; ++i)
1161                 msg[i] = cpu_to_le32(0x0);
1162
1163         return amdgpu_uvd_send_msg(ring, bo, true, fence);
1164 }
1165
1166 int amdgpu_uvd_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
1167                                bool direct, struct dma_fence **fence)
1168 {
1169         struct amdgpu_device *adev = ring->adev;
1170         struct amdgpu_bo *bo = NULL;
1171         uint32_t *msg;
1172         int r, i;
1173
1174         r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
1175                                       AMDGPU_GEM_DOMAIN_VRAM,
1176                                       &bo, NULL, (void **)&msg);
1177         if (r)
1178                 return r;
1179
1180         /* stitch together an UVD destroy msg */
1181         msg[0] = cpu_to_le32(0x00000de4);
1182         msg[1] = cpu_to_le32(0x00000002);
1183         msg[2] = cpu_to_le32(handle);
1184         msg[3] = cpu_to_le32(0x00000000);
1185         for (i = 4; i < 1024; ++i)
1186                 msg[i] = cpu_to_le32(0x0);
1187
1188         return amdgpu_uvd_send_msg(ring, bo, direct, fence);
1189 }
1190
1191 static void amdgpu_uvd_idle_work_handler(struct work_struct *work)
1192 {
1193         struct amdgpu_device *adev =
1194                 container_of(work, struct amdgpu_device, uvd.idle_work.work);
1195         unsigned fences = 0, i, j;
1196
1197         for (i = 0; i < adev->uvd.num_uvd_inst; ++i) {
1198                 if (adev->uvd.harvest_config & (1 << i))
1199                         continue;
1200                 fences += amdgpu_fence_count_emitted(&adev->uvd.inst[i].ring);
1201                 for (j = 0; j < adev->uvd.num_enc_rings; ++j) {
1202                         fences += amdgpu_fence_count_emitted(&adev->uvd.inst[i].ring_enc[j]);
1203                 }
1204         }
1205
1206         if (fences == 0) {
1207                 if (adev->pm.dpm_enabled) {
1208                         amdgpu_dpm_enable_uvd(adev, false);
1209                 } else {
1210                         amdgpu_asic_set_uvd_clocks(adev, 0, 0);
1211                         /* shutdown the UVD block */
1212                         amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1213                                                                AMD_PG_STATE_GATE);
1214                         amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1215                                                                AMD_CG_STATE_GATE);
1216                 }
1217         } else {
1218                 schedule_delayed_work(&adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
1219         }
1220 }
1221
1222 void amdgpu_uvd_ring_begin_use(struct amdgpu_ring *ring)
1223 {
1224         struct amdgpu_device *adev = ring->adev;
1225         bool set_clocks;
1226
1227         if (amdgpu_sriov_vf(adev))
1228                 return;
1229
1230         set_clocks = !cancel_delayed_work_sync(&adev->uvd.idle_work);
1231         if (set_clocks) {
1232                 if (adev->pm.dpm_enabled) {
1233                         amdgpu_dpm_enable_uvd(adev, true);
1234                 } else {
1235                         amdgpu_asic_set_uvd_clocks(adev, 53300, 40000);
1236                         amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1237                                                                AMD_CG_STATE_UNGATE);
1238                         amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1239                                                                AMD_PG_STATE_UNGATE);
1240                 }
1241         }
1242 }
1243
1244 void amdgpu_uvd_ring_end_use(struct amdgpu_ring *ring)
1245 {
1246         if (!amdgpu_sriov_vf(ring->adev))
1247                 schedule_delayed_work(&ring->adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
1248 }
1249
1250 /**
1251  * amdgpu_uvd_ring_test_ib - test ib execution
1252  *
1253  * @ring: amdgpu_ring pointer
1254  *
1255  * Test if we can successfully execute an IB
1256  */
1257 int amdgpu_uvd_ring_test_ib(struct amdgpu_ring *ring, long timeout)
1258 {
1259         struct dma_fence *fence;
1260         long r;
1261
1262         r = amdgpu_uvd_get_create_msg(ring, 1, NULL);
1263         if (r)
1264                 goto error;
1265
1266         r = amdgpu_uvd_get_destroy_msg(ring, 1, true, &fence);
1267         if (r)
1268                 goto error;
1269
1270         r = dma_fence_wait_timeout(fence, false, timeout);
1271         if (r == 0)
1272                 r = -ETIMEDOUT;
1273         else if (r > 0)
1274                 r = 0;
1275
1276         dma_fence_put(fence);
1277
1278 error:
1279         return r;
1280 }
1281
1282 /**
1283  * amdgpu_uvd_used_handles - returns used UVD handles
1284  *
1285  * @adev: amdgpu_device pointer
1286  *
1287  * Returns the number of UVD handles in use
1288  */
1289 uint32_t amdgpu_uvd_used_handles(struct amdgpu_device *adev)
1290 {
1291         unsigned i;
1292         uint32_t used_handles = 0;
1293
1294         for (i = 0; i < adev->uvd.max_handles; ++i) {
1295                 /*
1296                  * Handles can be freed in any order, and not
1297                  * necessarily linear. So we need to count
1298                  * all non-zero handles.
1299                  */
1300                 if (atomic_read(&adev->uvd.handles[i]))
1301                         used_handles++;
1302         }
1303
1304         return used_handles;
1305 }