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