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 #include <drm/drm_drv.h>
  36
  37 #include "amdgpu.h"
  38 #include "amdgpu_pm.h"
  39 #include "amdgpu_uvd.h"
  40 #include "amdgpu_cs.h"
  41 #include "cikd.h"
  42 #include "uvd/uvd_4_2_d.h"
  43
  44 #include "amdgpu_ras.h"
  45
  46 /* 1 second timeout */
  47 #define UVD_IDLE_TIMEOUT        msecs_to_jiffies(1000)
  48
  49 /* Firmware versions for VI */
  50 #define FW_1_65_10      ((1 << 24) | (65 << 16) | (10 << 8))
  51 #define FW_1_87_11      ((1 << 24) | (87 << 16) | (11 << 8))
  52 #define FW_1_87_12      ((1 << 24) | (87 << 16) | (12 << 8))
  53 #define FW_1_37_15      ((1 << 24) | (37 << 16) | (15 << 8))
  54
  55 /* Polaris10/11 firmware version */
  56 #define FW_1_66_16      ((1 << 24) | (66 << 16) | (16 << 8))
  57
  58 /* Firmware Names */
  59 #ifdef CONFIG_DRM_AMDGPU_SI
  60 #define FIRMWARE_TAHITI         "amdgpu/tahiti_uvd.bin"
  61 #define FIRMWARE_VERDE          "amdgpu/verde_uvd.bin"
  62 #define FIRMWARE_PITCAIRN       "amdgpu/pitcairn_uvd.bin"
  63 #define FIRMWARE_OLAND          "amdgpu/oland_uvd.bin"
  64 #endif
  65 #ifdef CONFIG_DRM_AMDGPU_CIK
  66 #define FIRMWARE_BONAIRE        "amdgpu/bonaire_uvd.bin"
  67 #define FIRMWARE_KABINI "amdgpu/kabini_uvd.bin"
  68 #define FIRMWARE_KAVERI "amdgpu/kaveri_uvd.bin"
  69 #define FIRMWARE_HAWAII "amdgpu/hawaii_uvd.bin"
  70 #define FIRMWARE_MULLINS        "amdgpu/mullins_uvd.bin"
  71 #endif
  72 #define FIRMWARE_TONGA          "amdgpu/tonga_uvd.bin"
  73 #define FIRMWARE_CARRIZO        "amdgpu/carrizo_uvd.bin"
  74 #define FIRMWARE_FIJI           "amdgpu/fiji_uvd.bin"
  75 #define FIRMWARE_STONEY         "amdgpu/stoney_uvd.bin"
  76 #define FIRMWARE_POLARIS10      "amdgpu/polaris10_uvd.bin"
  77 #define FIRMWARE_POLARIS11      "amdgpu/polaris11_uvd.bin"
  78 #define FIRMWARE_POLARIS12      "amdgpu/polaris12_uvd.bin"
  79 #define FIRMWARE_VEGAM          "amdgpu/vegam_uvd.bin"
  80
  81 #define FIRMWARE_VEGA10         "amdgpu/vega10_uvd.bin"
  82 #define FIRMWARE_VEGA12         "amdgpu/vega12_uvd.bin"
  83 #define FIRMWARE_VEGA20         "amdgpu/vega20_uvd.bin"
  84
  85 /* These are common relative offsets for all asics, from uvd_7_0_offset.h,  */
  86 #define UVD_GPCOM_VCPU_CMD              0x03c3
  87 #define UVD_GPCOM_VCPU_DATA0    0x03c4
  88 #define UVD_GPCOM_VCPU_DATA1    0x03c5
  89 #define UVD_NO_OP                               0x03ff
  90 #define UVD_BASE_SI                             0x3800
  91
  92 /*
  93  * amdgpu_uvd_cs_ctx - Command submission parser context
  94  *
  95  * Used for emulating virtual memory support on UVD 4.2.
  96  */
  97 struct amdgpu_uvd_cs_ctx {
  98         struct amdgpu_cs_parser *parser;
  99         unsigned int reg, count;
 100         unsigned int data0, data1;
 101         unsigned int idx;
 102         struct amdgpu_ib *ib;
 103
 104         /* does the IB has a msg command */
 105         bool has_msg_cmd;
 106
 107         /* minimum buffer sizes */
 108         unsigned int *buf_sizes;
 109 };
 110
 111 #ifdef CONFIG_DRM_AMDGPU_SI
 112 MODULE_FIRMWARE(FIRMWARE_TAHITI);
 113 MODULE_FIRMWARE(FIRMWARE_VERDE);
 114 MODULE_FIRMWARE(FIRMWARE_PITCAIRN);
 115 MODULE_FIRMWARE(FIRMWARE_OLAND);
 116 #endif
 117 #ifdef CONFIG_DRM_AMDGPU_CIK
 118 MODULE_FIRMWARE(FIRMWARE_BONAIRE);
 119 MODULE_FIRMWARE(FIRMWARE_KABINI);
 120 MODULE_FIRMWARE(FIRMWARE_KAVERI);
 121 MODULE_FIRMWARE(FIRMWARE_HAWAII);
 122 MODULE_FIRMWARE(FIRMWARE_MULLINS);
 123 #endif
 124 MODULE_FIRMWARE(FIRMWARE_TONGA);
 125 MODULE_FIRMWARE(FIRMWARE_CARRIZO);
 126 MODULE_FIRMWARE(FIRMWARE_FIJI);
 127 MODULE_FIRMWARE(FIRMWARE_STONEY);
 128 MODULE_FIRMWARE(FIRMWARE_POLARIS10);
 129 MODULE_FIRMWARE(FIRMWARE_POLARIS11);
 130 MODULE_FIRMWARE(FIRMWARE_POLARIS12);
 131 MODULE_FIRMWARE(FIRMWARE_VEGAM);
 132
 133 MODULE_FIRMWARE(FIRMWARE_VEGA10);
 134 MODULE_FIRMWARE(FIRMWARE_VEGA12);
 135 MODULE_FIRMWARE(FIRMWARE_VEGA20);
 136
 137 static void amdgpu_uvd_idle_work_handler(struct work_struct *work);
 138 static void amdgpu_uvd_force_into_uvd_segment(struct amdgpu_bo *abo);
 139
 140 static int amdgpu_uvd_create_msg_bo_helper(struct amdgpu_device *adev,
 141                                            uint32_t size,
 142                                            struct amdgpu_bo **bo_ptr)
 143 {
 144         struct ttm_operation_ctx ctx = { true, false };
 145         struct amdgpu_bo *bo = NULL;
 146         void *addr;
 147         int r;
 148
 149         r = amdgpu_bo_create_reserved(adev, size, PAGE_SIZE,
 150                                       AMDGPU_GEM_DOMAIN_GTT,
 151                                       &bo, NULL, &addr);
 152         if (r)
 153                 return r;
 154
 155         if (adev->uvd.address_64_bit)
 156                 goto succ;
 157
 158         amdgpu_bo_kunmap(bo);
 159         amdgpu_bo_unpin(bo);
 160         amdgpu_bo_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_VRAM);
 161         amdgpu_uvd_force_into_uvd_segment(bo);
 162         r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
 163         if (r)
 164                 goto err;
 165         r = amdgpu_bo_pin(bo, AMDGPU_GEM_DOMAIN_VRAM);
 166         if (r)
 167                 goto err_pin;
 168         r = amdgpu_bo_kmap(bo, &addr);
 169         if (r)
 170                 goto err_kmap;
 171 succ:
 172         amdgpu_bo_unreserve(bo);
 173         *bo_ptr = bo;
 174         return 0;
 175 err_kmap:
 176         amdgpu_bo_unpin(bo);
 177 err_pin:
 178 err:
 179         amdgpu_bo_unreserve(bo);
 180         amdgpu_bo_unref(&bo);
 181         return r;
 182 }
 183
 184 int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
 185 {
 186         unsigned long bo_size;
 187         const char *fw_name;
 188         const struct common_firmware_header *hdr;
 189         unsigned int family_id;
 190         int i, j, r;
 191
 192         INIT_DELAYED_WORK(&adev->uvd.idle_work, amdgpu_uvd_idle_work_handler);
 193
 194         switch (adev->asic_type) {
 195 #ifdef CONFIG_DRM_AMDGPU_SI
 196         case CHIP_TAHITI:
 197                 fw_name = FIRMWARE_TAHITI;
 198                 break;
 199         case CHIP_VERDE:
 200                 fw_name = FIRMWARE_VERDE;
 201                 break;
 202         case CHIP_PITCAIRN:
 203                 fw_name = FIRMWARE_PITCAIRN;
 204                 break;
 205         case CHIP_OLAND:
 206                 fw_name = FIRMWARE_OLAND;
 207                 break;
 208 #endif
 209 #ifdef CONFIG_DRM_AMDGPU_CIK
 210         case CHIP_BONAIRE:
 211                 fw_name = FIRMWARE_BONAIRE;
 212                 break;
 213         case CHIP_KABINI:
 214                 fw_name = FIRMWARE_KABINI;
 215                 break;
 216         case CHIP_KAVERI:
 217                 fw_name = FIRMWARE_KAVERI;
 218                 break;
 219         case CHIP_HAWAII:
 220                 fw_name = FIRMWARE_HAWAII;
 221                 break;
 222         case CHIP_MULLINS:
 223                 fw_name = FIRMWARE_MULLINS;
 224                 break;
 225 #endif
 226         case CHIP_TONGA:
 227                 fw_name = FIRMWARE_TONGA;
 228                 break;
 229         case CHIP_FIJI:
 230                 fw_name = FIRMWARE_FIJI;
 231                 break;
 232         case CHIP_CARRIZO:
 233                 fw_name = FIRMWARE_CARRIZO;
 234                 break;
 235         case CHIP_STONEY:
 236                 fw_name = FIRMWARE_STONEY;
 237                 break;
 238         case CHIP_POLARIS10:
 239                 fw_name = FIRMWARE_POLARIS10;
 240                 break;
 241         case CHIP_POLARIS11:
 242                 fw_name = FIRMWARE_POLARIS11;
 243                 break;
 244         case CHIP_POLARIS12:
 245                 fw_name = FIRMWARE_POLARIS12;
 246                 break;
 247         case CHIP_VEGA10:
 248                 fw_name = FIRMWARE_VEGA10;
 249                 break;
 250         case CHIP_VEGA12:
 251                 fw_name = FIRMWARE_VEGA12;
 252                 break;
 253         case CHIP_VEGAM:
 254                 fw_name = FIRMWARE_VEGAM;
 255                 break;
 256         case CHIP_VEGA20:
 257                 fw_name = FIRMWARE_VEGA20;
 258                 break;
 259         default:
 260                 return -EINVAL;
 261         }
 262
 263         r = amdgpu_ucode_request(adev, &adev->uvd.fw, fw_name);
 264         if (r) {
 265                 dev_err(adev->dev, "amdgpu_uvd: Can't validate firmware \"%s\"\n",
 266                         fw_name);
 267                 amdgpu_ucode_release(&adev->uvd.fw);
 268                 return r;
 269         }
 270
 271         /* Set the default UVD handles that the firmware can handle */
 272         adev->uvd.max_handles = AMDGPU_DEFAULT_UVD_HANDLES;
 273
 274         hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
 275         family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
 276
 277         if (adev->asic_type < CHIP_VEGA20) {
 278                 unsigned int version_major, version_minor;
 279
 280                 version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
 281                 version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
 282                 DRM_INFO("Found UVD firmware Version: %u.%u Family ID: %u\n",
 283                         version_major, version_minor, family_id);
 284
 285                 /*
 286                  * Limit the number of UVD handles depending on microcode major
 287                  * and minor versions. The firmware version which has 40 UVD
 288                  * instances support is 1.80. So all subsequent versions should
 289                  * also have the same support.
 290                  */
 291                 if ((version_major > 0x01) ||
 292                     ((version_major == 0x01) && (version_minor >= 0x50)))
 293                         adev->uvd.max_handles = AMDGPU_MAX_UVD_HANDLES;
 294
 295                 adev->uvd.fw_version = ((version_major << 24) | (version_minor << 16) |
 296                                         (family_id << 8));
 297
 298                 if ((adev->asic_type == CHIP_POLARIS10 ||
 299                      adev->asic_type == CHIP_POLARIS11) &&
 300                     (adev->uvd.fw_version < FW_1_66_16))
 301                         DRM_ERROR("POLARIS10/11 UVD firmware version %u.%u is too old.\n",
 302                                   version_major, version_minor);
 303         } else {
 304                 unsigned int enc_major, enc_minor, dec_minor;
 305
 306                 dec_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
 307                 enc_minor = (le32_to_cpu(hdr->ucode_version) >> 24) & 0x3f;
 308                 enc_major = (le32_to_cpu(hdr->ucode_version) >> 30) & 0x3;
 309                 DRM_INFO("Found UVD firmware ENC: %u.%u DEC: .%u Family ID: %u\n",
 310                         enc_major, enc_minor, dec_minor, family_id);
 311
 312                 adev->uvd.max_handles = AMDGPU_MAX_UVD_HANDLES;
 313
 314                 adev->uvd.fw_version = le32_to_cpu(hdr->ucode_version);
 315         }
 316
 317         bo_size = AMDGPU_UVD_STACK_SIZE + AMDGPU_UVD_HEAP_SIZE
 318                   +  AMDGPU_UVD_SESSION_SIZE * adev->uvd.max_handles;
 319         if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
 320                 bo_size += AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
 321
 322         for (j = 0; j < adev->uvd.num_uvd_inst; j++) {
 323                 if (adev->uvd.harvest_config & (1 << j))
 324                         continue;
 325                 r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
 326                                             AMDGPU_GEM_DOMAIN_VRAM |
 327                                             AMDGPU_GEM_DOMAIN_GTT,
 328                                             &adev->uvd.inst[j].vcpu_bo,
 329                                             &adev->uvd.inst[j].gpu_addr,
 330                                             &adev->uvd.inst[j].cpu_addr);
 331                 if (r) {
 332                         dev_err(adev->dev, "(%d) failed to allocate UVD bo\n", r);
 333                         return r;
 334                 }
 335         }
 336
 337         for (i = 0; i < adev->uvd.max_handles; ++i) {
 338                 atomic_set(&adev->uvd.handles[i], 0);
 339                 adev->uvd.filp[i] = NULL;
 340         }
 341
 342         /* from uvd v5.0 HW addressing capacity increased to 64 bits */
 343         if (!amdgpu_device_ip_block_version_cmp(adev, AMD_IP_BLOCK_TYPE_UVD, 5, 0))
 344                 adev->uvd.address_64_bit = true;
 345
 346         r = amdgpu_uvd_create_msg_bo_helper(adev, 128 << 10, &adev->uvd.ib_bo);
 347         if (r)
 348                 return r;
 349
 350         switch (adev->asic_type) {
 351         case CHIP_TONGA:
 352                 adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_65_10;
 353                 break;
 354         case CHIP_CARRIZO:
 355                 adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_87_11;
 356                 break;
 357         case CHIP_FIJI:
 358                 adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_87_12;
 359                 break;
 360         case CHIP_STONEY:
 361                 adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_37_15;
 362                 break;
 363         default:
 364                 adev->uvd.use_ctx_buf = adev->asic_type >= CHIP_POLARIS10;
 365         }
 366
 367         return 0;
 368 }
 369
 370 int amdgpu_uvd_sw_fini(struct amdgpu_device *adev)
 371 {
 372         void *addr = amdgpu_bo_kptr(adev->uvd.ib_bo);
 373         int i, j;
 374
 375         drm_sched_entity_destroy(&adev->uvd.entity);
 376
 377         for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
 378                 if (adev->uvd.harvest_config & (1 << j))
 379                         continue;
 380                 kvfree(adev->uvd.inst[j].saved_bo);
 381
 382                 amdgpu_bo_free_kernel(&adev->uvd.inst[j].vcpu_bo,
 383                                       &adev->uvd.inst[j].gpu_addr,
 384                                       (void **)&adev->uvd.inst[j].cpu_addr);
 385
 386                 amdgpu_ring_fini(&adev->uvd.inst[j].ring);
 387
 388                 for (i = 0; i < AMDGPU_MAX_UVD_ENC_RINGS; ++i)
 389                         amdgpu_ring_fini(&adev->uvd.inst[j].ring_enc[i]);
 390         }
 391         amdgpu_bo_free_kernel(&adev->uvd.ib_bo, NULL, &addr);
 392         amdgpu_ucode_release(&adev->uvd.fw);
 393
 394         return 0;
 395 }
 396
 397 /**
 398  * amdgpu_uvd_entity_init - init entity
 399  *
 400  * @adev: amdgpu_device pointer
 401  *
 402  */
 403 int amdgpu_uvd_entity_init(struct amdgpu_device *adev)
 404 {
 405         struct amdgpu_ring *ring;
 406         struct drm_gpu_scheduler *sched;
 407         int r;
 408
 409         ring = &adev->uvd.inst[0].ring;
 410         sched = &ring->sched;
 411         r = drm_sched_entity_init(&adev->uvd.entity, DRM_SCHED_PRIORITY_NORMAL,
 412                                   &sched, 1, NULL);
 413         if (r) {
 414                 DRM_ERROR("Failed setting up UVD kernel entity.\n");
 415                 return r;
 416         }
 417
 418         return 0;
 419 }
 420
 421 int amdgpu_uvd_prepare_suspend(struct amdgpu_device *adev)
 422 {
 423         unsigned int size;
 424         void *ptr;
 425         int i, j, idx;
 426
 427         cancel_delayed_work_sync(&adev->uvd.idle_work);
 428
 429         /* only valid for physical mode */
 430         if (adev->asic_type < CHIP_POLARIS10) {
 431                 for (i = 0; i < adev->uvd.max_handles; ++i)
 432                         if (atomic_read(&adev->uvd.handles[i]))
 433                                 break;
 434
 435                 if (i == adev->uvd.max_handles)
 436                         return 0;
 437         }
 438
 439         for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
 440                 if (adev->uvd.harvest_config & (1 << j))
 441                         continue;
 442                 if (adev->uvd.inst[j].vcpu_bo == NULL)
 443                         continue;
 444
 445                 size = amdgpu_bo_size(adev->uvd.inst[j].vcpu_bo);
 446                 ptr = adev->uvd.inst[j].cpu_addr;
 447
 448                 adev->uvd.inst[j].saved_bo = kvmalloc(size, GFP_KERNEL);
 449                 if (!adev->uvd.inst[j].saved_bo)
 450                         return -ENOMEM;
 451
 452                 if (drm_dev_enter(adev_to_drm(adev), &idx)) {
 453                         /* re-write 0 since err_event_athub will corrupt VCPU buffer */
 454                         if (amdgpu_ras_intr_triggered())
 455                                 memset(adev->uvd.inst[j].saved_bo, 0, size);
 456                         else
 457                                 memcpy_fromio(adev->uvd.inst[j].saved_bo, ptr, size);
 458
 459                         drm_dev_exit(idx);
 460                 }
 461         }
 462
 463         return 0;
 464 }
 465
 466 int amdgpu_uvd_suspend(struct amdgpu_device *adev)
 467 {
 468         if (amdgpu_ras_intr_triggered())
 469                 DRM_WARN("UVD VCPU state may lost due to RAS ERREVENT_ATHUB_INTERRUPT\n");
 470
 471         return 0;
 472 }
 473
 474 int amdgpu_uvd_resume(struct amdgpu_device *adev)
 475 {
 476         unsigned int size;
 477         void *ptr;
 478         int i, idx;
 479
 480         for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
 481                 if (adev->uvd.harvest_config & (1 << i))
 482                         continue;
 483                 if (adev->uvd.inst[i].vcpu_bo == NULL)
 484                         return -EINVAL;
 485
 486                 size = amdgpu_bo_size(adev->uvd.inst[i].vcpu_bo);
 487                 ptr = adev->uvd.inst[i].cpu_addr;
 488
 489                 if (adev->uvd.inst[i].saved_bo != NULL) {
 490                         if (drm_dev_enter(adev_to_drm(adev), &idx)) {
 491                                 memcpy_toio(ptr, adev->uvd.inst[i].saved_bo, size);
 492                                 drm_dev_exit(idx);
 493                         }
 494                         kvfree(adev->uvd.inst[i].saved_bo);
 495                         adev->uvd.inst[i].saved_bo = NULL;
 496                 } else {
 497                         const struct common_firmware_header *hdr;
 498                         unsigned int offset;
 499
 500                         hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
 501                         if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
 502                                 offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
 503                                 if (drm_dev_enter(adev_to_drm(adev), &idx)) {
 504                                         memcpy_toio(adev->uvd.inst[i].cpu_addr, adev->uvd.fw->data + offset,
 505                                                     le32_to_cpu(hdr->ucode_size_bytes));
 506                                         drm_dev_exit(idx);
 507                                 }
 508                                 size -= le32_to_cpu(hdr->ucode_size_bytes);
 509                                 ptr += le32_to_cpu(hdr->ucode_size_bytes);
 510                         }
 511                         memset_io(ptr, 0, size);
 512                         /* to restore uvd fence seq */
 513                         amdgpu_fence_driver_force_completion(&adev->uvd.inst[i].ring);
 514                 }
 515         }
 516         return 0;
 517 }
 518
 519 void amdgpu_uvd_free_handles(struct amdgpu_device *adev, struct drm_file *filp)
 520 {
 521         struct amdgpu_ring *ring = &adev->uvd.inst[0].ring;
 522         int i, r;
 523
 524         for (i = 0; i < adev->uvd.max_handles; ++i) {
 525                 uint32_t handle = atomic_read(&adev->uvd.handles[i]);
 526
 527                 if (handle != 0 && adev->uvd.filp[i] == filp) {
 528                         struct dma_fence *fence;
 529
 530                         r = amdgpu_uvd_get_destroy_msg(ring, handle, false,
 531                                                        &fence);
 532                         if (r) {
 533                                 DRM_ERROR("Error destroying UVD %d!\n", r);
 534                                 continue;
 535                         }
 536
 537                         dma_fence_wait(fence, false);
 538                         dma_fence_put(fence);
 539
 540                         adev->uvd.filp[i] = NULL;
 541                         atomic_set(&adev->uvd.handles[i], 0);
 542                 }
 543         }
 544 }
 545
 546 static void amdgpu_uvd_force_into_uvd_segment(struct amdgpu_bo *abo)
 547 {
 548         int i;
 549
 550         for (i = 0; i < abo->placement.num_placement; ++i) {
 551                 abo->placements[i].fpfn = 0 >> PAGE_SHIFT;
 552                 abo->placements[i].lpfn = (256 * 1024 * 1024) >> PAGE_SHIFT;
 553         }
 554 }
 555
 556 static u64 amdgpu_uvd_get_addr_from_ctx(struct amdgpu_uvd_cs_ctx *ctx)
 557 {
 558         uint32_t lo, hi;
 559         uint64_t addr;
 560
 561         lo = amdgpu_ib_get_value(ctx->ib, ctx->data0);
 562         hi = amdgpu_ib_get_value(ctx->ib, ctx->data1);
 563         addr = ((uint64_t)lo) | (((uint64_t)hi) << 32);
 564
 565         return addr;
 566 }
 567
 568 /**
 569  * amdgpu_uvd_cs_pass1 - first parsing round
 570  *
 571  * @ctx: UVD parser context
 572  *
 573  * Make sure UVD message and feedback buffers are in VRAM and
 574  * nobody is violating an 256MB boundary.
 575  */
 576 static int amdgpu_uvd_cs_pass1(struct amdgpu_uvd_cs_ctx *ctx)
 577 {
 578         struct ttm_operation_ctx tctx = { false, false };
 579         struct amdgpu_bo_va_mapping *mapping;
 580         struct amdgpu_bo *bo;
 581         uint32_t cmd;
 582         uint64_t addr = amdgpu_uvd_get_addr_from_ctx(ctx);
 583         int r = 0;
 584
 585         r = amdgpu_cs_find_mapping(ctx->parser, addr, &bo, &mapping);
 586         if (r) {
 587                 DRM_ERROR("Can't find BO for addr 0x%08llx\n", addr);
 588                 return r;
 589         }
 590
 591         if (!ctx->parser->adev->uvd.address_64_bit) {
 592                 /* check if it's a message or feedback command */
 593                 cmd = amdgpu_ib_get_value(ctx->ib, ctx->idx) >> 1;
 594                 if (cmd == 0x0 || cmd == 0x3) {
 595                         /* yes, force it into VRAM */
 596                         uint32_t domain = AMDGPU_GEM_DOMAIN_VRAM;
 597
 598                         amdgpu_bo_placement_from_domain(bo, domain);
 599                 }
 600                 amdgpu_uvd_force_into_uvd_segment(bo);
 601
 602                 r = ttm_bo_validate(&bo->tbo, &bo->placement, &tctx);
 603         }
 604
 605         return r;
 606 }
 607
 608 /**
 609  * amdgpu_uvd_cs_msg_decode - handle UVD decode message
 610  *
 611  * @adev: amdgpu_device pointer
 612  * @msg: pointer to message structure
 613  * @buf_sizes: placeholder to put the different buffer lengths
 614  *
 615  * Peek into the decode message and calculate the necessary buffer sizes.
 616  */
 617 static int amdgpu_uvd_cs_msg_decode(struct amdgpu_device *adev, uint32_t *msg,
 618         unsigned int buf_sizes[])
 619 {
 620         unsigned int stream_type = msg[4];
 621         unsigned int width = msg[6];
 622         unsigned int height = msg[7];
 623         unsigned int dpb_size = msg[9];
 624         unsigned int pitch = msg[28];
 625         unsigned int level = msg[57];
 626
 627         unsigned int width_in_mb = width / 16;
 628         unsigned int height_in_mb = ALIGN(height / 16, 2);
 629         unsigned int fs_in_mb = width_in_mb * height_in_mb;
 630
 631         unsigned int image_size, tmp, min_dpb_size, num_dpb_buffer;
 632         unsigned int min_ctx_size = ~0;
 633
 634         image_size = width * height;
 635         image_size += image_size / 2;
 636         image_size = ALIGN(image_size, 1024);
 637
 638         switch (stream_type) {
 639         case 0: /* H264 */
 640                 switch (level) {
 641                 case 30:
 642                         num_dpb_buffer = 8100 / fs_in_mb;
 643                         break;
 644                 case 31:
 645                         num_dpb_buffer = 18000 / fs_in_mb;
 646                         break;
 647                 case 32:
 648                         num_dpb_buffer = 20480 / fs_in_mb;
 649                         break;
 650                 case 41:
 651                         num_dpb_buffer = 32768 / fs_in_mb;
 652                         break;
 653                 case 42:
 654                         num_dpb_buffer = 34816 / fs_in_mb;
 655                         break;
 656                 case 50:
 657                         num_dpb_buffer = 110400 / fs_in_mb;
 658                         break;
 659                 case 51:
 660                         num_dpb_buffer = 184320 / fs_in_mb;
 661                         break;
 662                 default:
 663                         num_dpb_buffer = 184320 / fs_in_mb;
 664                         break;
 665                 }
 666                 num_dpb_buffer++;
 667                 if (num_dpb_buffer > 17)
 668                         num_dpb_buffer = 17;
 669
 670                 /* reference picture buffer */
 671                 min_dpb_size = image_size * num_dpb_buffer;
 672
 673                 /* macroblock context buffer */
 674                 min_dpb_size += width_in_mb * height_in_mb * num_dpb_buffer * 192;
 675
 676                 /* IT surface buffer */
 677                 min_dpb_size += width_in_mb * height_in_mb * 32;
 678                 break;
 679
 680         case 1: /* VC1 */
 681
 682                 /* reference picture buffer */
 683                 min_dpb_size = image_size * 3;
 684
 685                 /* CONTEXT_BUFFER */
 686                 min_dpb_size += width_in_mb * height_in_mb * 128;
 687
 688                 /* IT surface buffer */
 689                 min_dpb_size += width_in_mb * 64;
 690
 691                 /* DB surface buffer */
 692                 min_dpb_size += width_in_mb * 128;
 693
 694                 /* BP */
 695                 tmp = max(width_in_mb, height_in_mb);
 696                 min_dpb_size += ALIGN(tmp * 7 * 16, 64);
 697                 break;
 698
 699         case 3: /* MPEG2 */
 700
 701                 /* reference picture buffer */
 702                 min_dpb_size = image_size * 3;
 703                 break;
 704
 705         case 4: /* MPEG4 */
 706
 707                 /* reference picture buffer */
 708                 min_dpb_size = image_size * 3;
 709
 710                 /* CM */
 711                 min_dpb_size += width_in_mb * height_in_mb * 64;
 712
 713                 /* IT surface buffer */
 714                 min_dpb_size += ALIGN(width_in_mb * height_in_mb * 32, 64);
 715                 break;
 716
 717         case 7: /* H264 Perf */
 718                 switch (level) {
 719                 case 30:
 720                         num_dpb_buffer = 8100 / fs_in_mb;
 721                         break;
 722                 case 31:
 723                         num_dpb_buffer = 18000 / fs_in_mb;
 724                         break;
 725                 case 32:
 726                         num_dpb_buffer = 20480 / fs_in_mb;
 727                         break;
 728                 case 41:
 729                         num_dpb_buffer = 32768 / fs_in_mb;
 730                         break;
 731                 case 42:
 732                         num_dpb_buffer = 34816 / fs_in_mb;
 733                         break;
 734                 case 50:
 735                         num_dpb_buffer = 110400 / fs_in_mb;
 736                         break;
 737                 case 51:
 738                         num_dpb_buffer = 184320 / fs_in_mb;
 739                         break;
 740                 default:
 741                         num_dpb_buffer = 184320 / fs_in_mb;
 742                         break;
 743                 }
 744                 num_dpb_buffer++;
 745                 if (num_dpb_buffer > 17)
 746                         num_dpb_buffer = 17;
 747
 748                 /* reference picture buffer */
 749                 min_dpb_size = image_size * num_dpb_buffer;
 750
 751                 if (!adev->uvd.use_ctx_buf) {
 752                         /* macroblock context buffer */
 753                         min_dpb_size +=
 754                                 width_in_mb * height_in_mb * num_dpb_buffer * 192;
 755
 756                         /* IT surface buffer */
 757                         min_dpb_size += width_in_mb * height_in_mb * 32;
 758                 } else {
 759                         /* macroblock context buffer */
 760                         min_ctx_size =
 761                                 width_in_mb * height_in_mb * num_dpb_buffer * 192;
 762                 }
 763                 break;
 764
 765         case 8: /* MJPEG */
 766                 min_dpb_size = 0;
 767                 break;
 768
 769         case 16: /* H265 */
 770                 image_size = (ALIGN(width, 16) * ALIGN(height, 16) * 3) / 2;
 771                 image_size = ALIGN(image_size, 256);
 772
 773                 num_dpb_buffer = (le32_to_cpu(msg[59]) & 0xff) + 2;
 774                 min_dpb_size = image_size * num_dpb_buffer;
 775                 min_ctx_size = ((width + 255) / 16) * ((height + 255) / 16)
 776                                            * 16 * num_dpb_buffer + 52 * 1024;
 777                 break;
 778
 779         default:
 780                 DRM_ERROR("UVD codec not handled %d!\n", stream_type);
 781                 return -EINVAL;
 782         }
 783
 784         if (width > pitch) {
 785                 DRM_ERROR("Invalid UVD decoding target pitch!\n");
 786                 return -EINVAL;
 787         }
 788
 789         if (dpb_size < min_dpb_size) {
 790                 DRM_ERROR("Invalid dpb_size in UVD message (%d / %d)!\n",
 791                           dpb_size, min_dpb_size);
 792                 return -EINVAL;
 793         }
 794
 795         buf_sizes[0x1] = dpb_size;
 796         buf_sizes[0x2] = image_size;
 797         buf_sizes[0x4] = min_ctx_size;
 798         /* store image width to adjust nb memory pstate */
 799         adev->uvd.decode_image_width = width;
 800         return 0;
 801 }
 802
 803 /**
 804  * amdgpu_uvd_cs_msg - handle UVD message
 805  *
 806  * @ctx: UVD parser context
 807  * @bo: buffer object containing the message
 808  * @offset: offset into the buffer object
 809  *
 810  * Peek into the UVD message and extract the session id.
 811  * Make sure that we don't open up to many sessions.
 812  */
 813 static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
 814                              struct amdgpu_bo *bo, unsigned int offset)
 815 {
 816         struct amdgpu_device *adev = ctx->parser->adev;
 817         int32_t *msg, msg_type, handle;
 818         void *ptr;
 819         long r;
 820         int i;
 821
 822         if (offset & 0x3F) {
 823                 DRM_ERROR("UVD messages must be 64 byte aligned!\n");
 824                 return -EINVAL;
 825         }
 826
 827         r = amdgpu_bo_kmap(bo, &ptr);
 828         if (r) {
 829                 DRM_ERROR("Failed mapping the UVD) message (%ld)!\n", r);
 830                 return r;
 831         }
 832
 833         msg = ptr + offset;
 834
 835         msg_type = msg[1];
 836         handle = msg[2];
 837
 838         if (handle == 0) {
 839                 amdgpu_bo_kunmap(bo);
 840                 DRM_ERROR("Invalid UVD handle!\n");
 841                 return -EINVAL;
 842         }
 843
 844         switch (msg_type) {
 845         case 0:
 846                 /* it's a create msg, calc image size (width * height) */
 847                 amdgpu_bo_kunmap(bo);
 848
 849                 /* try to alloc a new handle */
 850                 for (i = 0; i < adev->uvd.max_handles; ++i) {
 851                         if (atomic_read(&adev->uvd.handles[i]) == handle) {
 852                                 DRM_ERROR(")Handle 0x%x already in use!\n",
 853                                           handle);
 854                                 return -EINVAL;
 855                         }
 856
 857                         if (!atomic_cmpxchg(&adev->uvd.handles[i], 0, handle)) {
 858                                 adev->uvd.filp[i] = ctx->parser->filp;
 859                                 return 0;
 860                         }
 861                 }
 862
 863                 DRM_ERROR("No more free UVD handles!\n");
 864                 return -ENOSPC;
 865
 866         case 1:
 867                 /* it's a decode msg, calc buffer sizes */
 868                 r = amdgpu_uvd_cs_msg_decode(adev, msg, ctx->buf_sizes);
 869                 amdgpu_bo_kunmap(bo);
 870                 if (r)
 871                         return r;
 872
 873                 /* validate the handle */
 874                 for (i = 0; i < adev->uvd.max_handles; ++i) {
 875                         if (atomic_read(&adev->uvd.handles[i]) == handle) {
 876                                 if (adev->uvd.filp[i] != ctx->parser->filp) {
 877                                         DRM_ERROR("UVD handle collision detected!\n");
 878                                         return -EINVAL;
 879                                 }
 880                                 return 0;
 881                         }
 882                 }
 883
 884                 DRM_ERROR("Invalid UVD handle 0x%x!\n", handle);
 885                 return -ENOENT;
 886
 887         case 2:
 888                 /* it's a destroy msg, free the handle */
 889                 for (i = 0; i < adev->uvd.max_handles; ++i)
 890                         atomic_cmpxchg(&adev->uvd.handles[i], handle, 0);
 891                 amdgpu_bo_kunmap(bo);
 892                 return 0;
 893
 894         default:
 895                 DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
 896         }
 897
 898         amdgpu_bo_kunmap(bo);
 899         return -EINVAL;
 900 }
 901
 902 /**
 903  * amdgpu_uvd_cs_pass2 - second parsing round
 904  *
 905  * @ctx: UVD parser context
 906  *
 907  * Patch buffer addresses, make sure buffer sizes are correct.
 908  */
 909 static int amdgpu_uvd_cs_pass2(struct amdgpu_uvd_cs_ctx *ctx)
 910 {
 911         struct amdgpu_bo_va_mapping *mapping;
 912         struct amdgpu_bo *bo;
 913         uint32_t cmd;
 914         uint64_t start, end;
 915         uint64_t addr = amdgpu_uvd_get_addr_from_ctx(ctx);
 916         int r;
 917
 918         r = amdgpu_cs_find_mapping(ctx->parser, addr, &bo, &mapping);
 919         if (r) {
 920                 DRM_ERROR("Can't find BO for addr 0x%08llx\n", addr);
 921                 return r;
 922         }
 923
 924         start = amdgpu_bo_gpu_offset(bo);
 925
 926         end = (mapping->last + 1 - mapping->start);
 927         end = end * AMDGPU_GPU_PAGE_SIZE + start;
 928
 929         addr -= mapping->start * AMDGPU_GPU_PAGE_SIZE;
 930         start += addr;
 931
 932         amdgpu_ib_set_value(ctx->ib, ctx->data0, lower_32_bits(start));
 933         amdgpu_ib_set_value(ctx->ib, ctx->data1, upper_32_bits(start));
 934
 935         cmd = amdgpu_ib_get_value(ctx->ib, ctx->idx) >> 1;
 936         if (cmd < 0x4) {
 937                 if ((end - start) < ctx->buf_sizes[cmd]) {
 938                         DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd,
 939                                   (unsigned int)(end - start),
 940                                   ctx->buf_sizes[cmd]);
 941                         return -EINVAL;
 942                 }
 943
 944         } else if (cmd == 0x206) {
 945                 if ((end - start) < ctx->buf_sizes[4]) {
 946                         DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd,
 947                                           (unsigned int)(end - start),
 948                                           ctx->buf_sizes[4]);
 949                         return -EINVAL;
 950                 }
 951         } else if ((cmd != 0x100) && (cmd != 0x204)) {
 952                 DRM_ERROR("invalid UVD command %X!\n", cmd);
 953                 return -EINVAL;
 954         }
 955
 956         if (!ctx->parser->adev->uvd.address_64_bit) {
 957                 if ((start >> 28) != ((end - 1) >> 28)) {
 958                         DRM_ERROR("reloc %llx-%llx crossing 256MB boundary!\n",
 959                                   start, end);
 960                         return -EINVAL;
 961                 }
 962
 963                 if ((cmd == 0 || cmd == 0x3) &&
 964                     (start >> 28) != (ctx->parser->adev->uvd.inst->gpu_addr >> 28)) {
 965                         DRM_ERROR("msg/fb buffer %llx-%llx out of 256MB segment!\n",
 966                                   start, end);
 967                         return -EINVAL;
 968                 }
 969         }
 970
 971         if (cmd == 0) {
 972                 ctx->has_msg_cmd = true;
 973                 r = amdgpu_uvd_cs_msg(ctx, bo, addr);
 974                 if (r)
 975                         return r;
 976         } else if (!ctx->has_msg_cmd) {
 977                 DRM_ERROR("Message needed before other commands are send!\n");
 978                 return -EINVAL;
 979         }
 980
 981         return 0;
 982 }
 983
 984 /**
 985  * amdgpu_uvd_cs_reg - parse register writes
 986  *
 987  * @ctx: UVD parser context
 988  * @cb: callback function
 989  *
 990  * Parse the register writes, call cb on each complete command.
 991  */
 992 static int amdgpu_uvd_cs_reg(struct amdgpu_uvd_cs_ctx *ctx,
 993                              int (*cb)(struct amdgpu_uvd_cs_ctx *ctx))
 994 {
 995         int i, r;
 996
 997         ctx->idx++;
 998         for (i = 0; i <= ctx->count; ++i) {
 999                 unsigned int reg = ctx->reg + i;
1000
1001                 if (ctx->idx >= ctx->ib->length_dw) {
1002                         DRM_ERROR("Register command after end of CS!\n");
1003                         return -EINVAL;
1004                 }
1005
1006                 switch (reg) {
1007                 case mmUVD_GPCOM_VCPU_DATA0:
1008                         ctx->data0 = ctx->idx;
1009                         break;
1010                 case mmUVD_GPCOM_VCPU_DATA1:
1011                         ctx->data1 = ctx->idx;
1012                         break;
1013                 case mmUVD_GPCOM_VCPU_CMD:
1014                         r = cb(ctx);
1015                         if (r)
1016                                 return r;
1017                         break;
1018                 case mmUVD_ENGINE_CNTL:
1019                 case mmUVD_NO_OP:
1020                         break;
1021                 default:
1022                         DRM_ERROR("Invalid reg 0x%X!\n", reg);
1023                         return -EINVAL;
1024                 }
1025                 ctx->idx++;
1026         }
1027         return 0;
1028 }
1029
1030 /**
1031  * amdgpu_uvd_cs_packets - parse UVD packets
1032  *
1033  * @ctx: UVD parser context
1034  * @cb: callback function
1035  *
1036  * Parse the command stream packets.
1037  */
1038 static int amdgpu_uvd_cs_packets(struct amdgpu_uvd_cs_ctx *ctx,
1039                                  int (*cb)(struct amdgpu_uvd_cs_ctx *ctx))
1040 {
1041         int r;
1042
1043         for (ctx->idx = 0 ; ctx->idx < ctx->ib->length_dw; ) {
1044                 uint32_t cmd = amdgpu_ib_get_value(ctx->ib, ctx->idx);
1045                 unsigned int type = CP_PACKET_GET_TYPE(cmd);
1046
1047                 switch (type) {
1048                 case PACKET_TYPE0:
1049                         ctx->reg = CP_PACKET0_GET_REG(cmd);
1050                         ctx->count = CP_PACKET_GET_COUNT(cmd);
1051                         r = amdgpu_uvd_cs_reg(ctx, cb);
1052                         if (r)
1053                                 return r;
1054                         break;
1055                 case PACKET_TYPE2:
1056                         ++ctx->idx;
1057                         break;
1058                 default:
1059                         DRM_ERROR("Unknown packet type %d !\n", type);
1060                         return -EINVAL;
1061                 }
1062         }
1063         return 0;
1064 }
1065
1066 /**
1067  * amdgpu_uvd_ring_parse_cs - UVD command submission parser
1068  *
1069  * @parser: Command submission parser context
1070  * @job: the job to parse
1071  * @ib: the IB to patch
1072  *
1073  * Parse the command stream, patch in addresses as necessary.
1074  */
1075 int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser,
1076                              struct amdgpu_job *job,
1077                              struct amdgpu_ib *ib)
1078 {
1079         struct amdgpu_uvd_cs_ctx ctx = {};
1080         unsigned int buf_sizes[] = {
1081                 [0x00000000]    =       2048,
1082                 [0x00000001]    =       0xFFFFFFFF,
1083                 [0x00000002]    =       0xFFFFFFFF,
1084                 [0x00000003]    =       2048,
1085                 [0x00000004]    =       0xFFFFFFFF,
1086         };
1087         int r;
1088
1089         job->vm = NULL;
1090         ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo);
1091
1092         if (ib->length_dw % 16) {
1093                 DRM_ERROR("UVD IB length (%d) not 16 dwords aligned!\n",
1094                           ib->length_dw);
1095                 return -EINVAL;
1096         }
1097
1098         ctx.parser = parser;
1099         ctx.buf_sizes = buf_sizes;
1100         ctx.ib = ib;
1101
1102         /* first round only required on chips without UVD 64 bit address support */
1103         if (!parser->adev->uvd.address_64_bit) {
1104                 /* first round, make sure the buffers are actually in the UVD segment */
1105                 r = amdgpu_uvd_cs_packets(&ctx, amdgpu_uvd_cs_pass1);
1106                 if (r)
1107                         return r;
1108         }
1109
1110         /* second round, patch buffer addresses into the command stream */
1111         r = amdgpu_uvd_cs_packets(&ctx, amdgpu_uvd_cs_pass2);
1112         if (r)
1113                 return r;
1114
1115         if (!ctx.has_msg_cmd) {
1116                 DRM_ERROR("UVD-IBs need a msg command!\n");
1117                 return -EINVAL;
1118         }
1119
1120         return 0;
1121 }
1122
1123 static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo,
1124                                bool direct, struct dma_fence **fence)
1125 {
1126         struct amdgpu_device *adev = ring->adev;
1127         struct dma_fence *f = NULL;
1128         uint32_t offset, data[4];
1129         struct amdgpu_job *job;
1130         struct amdgpu_ib *ib;
1131         uint64_t addr;
1132         int i, r;
1133
1134         r = amdgpu_job_alloc_with_ib(ring->adev, &adev->uvd.entity,
1135                                      AMDGPU_FENCE_OWNER_UNDEFINED,
1136                                      64, direct ? AMDGPU_IB_POOL_DIRECT :
1137                                      AMDGPU_IB_POOL_DELAYED, &job);
1138         if (r)
1139                 return r;
1140
1141         if (adev->asic_type >= CHIP_VEGA10)
1142                 offset = adev->reg_offset[UVD_HWIP][ring->me][1];
1143         else
1144                 offset = UVD_BASE_SI;
1145
1146         data[0] = PACKET0(offset + UVD_GPCOM_VCPU_DATA0, 0);
1147         data[1] = PACKET0(offset + UVD_GPCOM_VCPU_DATA1, 0);
1148         data[2] = PACKET0(offset + UVD_GPCOM_VCPU_CMD, 0);
1149         data[3] = PACKET0(offset + UVD_NO_OP, 0);
1150
1151         ib = &job->ibs[0];
1152         addr = amdgpu_bo_gpu_offset(bo);
1153         ib->ptr[0] = data[0];
1154         ib->ptr[1] = addr;
1155         ib->ptr[2] = data[1];
1156         ib->ptr[3] = addr >> 32;
1157         ib->ptr[4] = data[2];
1158         ib->ptr[5] = 0;
1159         for (i = 6; i < 16; i += 2) {
1160                 ib->ptr[i] = data[3];
1161                 ib->ptr[i+1] = 0;
1162         }
1163         ib->length_dw = 16;
1164
1165         if (direct) {
1166                 r = amdgpu_job_submit_direct(job, ring, &f);
1167                 if (r)
1168                         goto err_free;
1169         } else {
1170                 r = drm_sched_job_add_resv_dependencies(&job->base,
1171                                                         bo->tbo.base.resv,
1172                                                         DMA_RESV_USAGE_KERNEL);
1173                 if (r)
1174                         goto err_free;
1175
1176                 f = amdgpu_job_submit(job);
1177         }
1178
1179         amdgpu_bo_reserve(bo, true);
1180         amdgpu_bo_fence(bo, f, false);
1181         amdgpu_bo_unreserve(bo);
1182
1183         if (fence)
1184                 *fence = dma_fence_get(f);
1185         dma_fence_put(f);
1186
1187         return 0;
1188
1189 err_free:
1190         amdgpu_job_free(job);
1191         return r;
1192 }
1193
1194 /* multiple fence commands without any stream commands in between can
1195  * crash the vcpu so just try to emmit a dummy create/destroy msg to
1196  * avoid this
1197  */
1198 int amdgpu_uvd_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
1199                               struct dma_fence **fence)
1200 {
1201         struct amdgpu_device *adev = ring->adev;
1202         struct amdgpu_bo *bo = adev->uvd.ib_bo;
1203         uint32_t *msg;
1204         int i;
1205
1206         msg = amdgpu_bo_kptr(bo);
1207         /* stitch together an UVD create msg */
1208         msg[0] = cpu_to_le32(0x00000de4);
1209         msg[1] = cpu_to_le32(0x00000000);
1210         msg[2] = cpu_to_le32(handle);
1211         msg[3] = cpu_to_le32(0x00000000);
1212         msg[4] = cpu_to_le32(0x00000000);
1213         msg[5] = cpu_to_le32(0x00000000);
1214         msg[6] = cpu_to_le32(0x00000000);
1215         msg[7] = cpu_to_le32(0x00000780);
1216         msg[8] = cpu_to_le32(0x00000440);
1217         msg[9] = cpu_to_le32(0x00000000);
1218         msg[10] = cpu_to_le32(0x01b37000);
1219         for (i = 11; i < 1024; ++i)
1220                 msg[i] = cpu_to_le32(0x0);
1221
1222         return amdgpu_uvd_send_msg(ring, bo, true, fence);
1223
1224 }
1225
1226 int amdgpu_uvd_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
1227                                bool direct, struct dma_fence **fence)
1228 {
1229         struct amdgpu_device *adev = ring->adev;
1230         struct amdgpu_bo *bo = NULL;
1231         uint32_t *msg;
1232         int r, i;
1233
1234         if (direct) {
1235                 bo = adev->uvd.ib_bo;
1236         } else {
1237                 r = amdgpu_uvd_create_msg_bo_helper(adev, 4096, &bo);
1238                 if (r)
1239                         return r;
1240         }
1241
1242         msg = amdgpu_bo_kptr(bo);
1243         /* stitch together an UVD destroy msg */
1244         msg[0] = cpu_to_le32(0x00000de4);
1245         msg[1] = cpu_to_le32(0x00000002);
1246         msg[2] = cpu_to_le32(handle);
1247         msg[3] = cpu_to_le32(0x00000000);
1248         for (i = 4; i < 1024; ++i)
1249                 msg[i] = cpu_to_le32(0x0);
1250
1251         r = amdgpu_uvd_send_msg(ring, bo, direct, fence);
1252
1253         if (!direct)
1254                 amdgpu_bo_free_kernel(&bo, NULL, (void **)&msg);
1255
1256         return r;
1257 }
1258
1259 static void amdgpu_uvd_idle_work_handler(struct work_struct *work)
1260 {
1261         struct amdgpu_device *adev =
1262                 container_of(work, struct amdgpu_device, uvd.idle_work.work);
1263         unsigned int fences = 0, i, j;
1264
1265         for (i = 0; i < adev->uvd.num_uvd_inst; ++i) {
1266                 if (adev->uvd.harvest_config & (1 << i))
1267                         continue;
1268                 fences += amdgpu_fence_count_emitted(&adev->uvd.inst[i].ring);
1269                 for (j = 0; j < adev->uvd.num_enc_rings; ++j)
1270                         fences += amdgpu_fence_count_emitted(&adev->uvd.inst[i].ring_enc[j]);
1271         }
1272
1273         if (fences == 0) {
1274                 if (adev->pm.dpm_enabled) {
1275                         amdgpu_dpm_enable_uvd(adev, false);
1276                 } else {
1277                         amdgpu_asic_set_uvd_clocks(adev, 0, 0);
1278                         /* shutdown the UVD block */
1279                         amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1280                                                                AMD_PG_STATE_GATE);
1281                         amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1282                                                                AMD_CG_STATE_GATE);
1283                 }
1284         } else {
1285                 schedule_delayed_work(&adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
1286         }
1287 }
1288
1289 void amdgpu_uvd_ring_begin_use(struct amdgpu_ring *ring)
1290 {
1291         struct amdgpu_device *adev = ring->adev;
1292         bool set_clocks;
1293
1294         if (amdgpu_sriov_vf(adev))
1295                 return;
1296
1297         set_clocks = !cancel_delayed_work_sync(&adev->uvd.idle_work);
1298         if (set_clocks) {
1299                 if (adev->pm.dpm_enabled) {
1300                         amdgpu_dpm_enable_uvd(adev, true);
1301                 } else {
1302                         amdgpu_asic_set_uvd_clocks(adev, 53300, 40000);
1303                         amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1304                                                                AMD_CG_STATE_UNGATE);
1305                         amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1306                                                                AMD_PG_STATE_UNGATE);
1307                 }
1308         }
1309 }
1310
1311 void amdgpu_uvd_ring_end_use(struct amdgpu_ring *ring)
1312 {
1313         if (!amdgpu_sriov_vf(ring->adev))
1314                 schedule_delayed_work(&ring->adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
1315 }
1316
1317 /**
1318  * amdgpu_uvd_ring_test_ib - test ib execution
1319  *
1320  * @ring: amdgpu_ring pointer
1321  * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT
1322  *
1323  * Test if we can successfully execute an IB
1324  */
1325 int amdgpu_uvd_ring_test_ib(struct amdgpu_ring *ring, long timeout)
1326 {
1327         struct dma_fence *fence;
1328         long r;
1329
1330         r = amdgpu_uvd_get_create_msg(ring, 1, &fence);
1331         if (r)
1332                 goto error;
1333
1334         r = dma_fence_wait_timeout(fence, false, timeout);
1335         dma_fence_put(fence);
1336         if (r == 0)
1337                 r = -ETIMEDOUT;
1338         if (r < 0)
1339                 goto error;
1340
1341         r = amdgpu_uvd_get_destroy_msg(ring, 1, true, &fence);
1342         if (r)
1343                 goto error;
1344
1345         r = dma_fence_wait_timeout(fence, false, timeout);
1346         if (r == 0)
1347                 r = -ETIMEDOUT;
1348         else if (r > 0)
1349                 r = 0;
1350
1351         dma_fence_put(fence);
1352
1353 error:
1354         return r;
1355 }
1356
1357 /**
1358  * amdgpu_uvd_used_handles - returns used UVD handles
1359  *
1360  * @adev: amdgpu_device pointer
1361  *
1362  * Returns the number of UVD handles in use
1363  */
1364 uint32_t amdgpu_uvd_used_handles(struct amdgpu_device *adev)
1365 {
1366         unsigned int i;
1367         uint32_t used_handles = 0;
1368
1369         for (i = 0; i < adev->uvd.max_handles; ++i) {
1370                 /*
1371                  * Handles can be freed in any order, and not
1372                  * necessarily linear. So we need to count
1373                  * all non-zero handles.
1374                  */
1375                 if (atomic_read(&adev->uvd.handles[i]))
1376                         used_handles++;
1377         }
1378
1379         return used_handles;
1380 }