linux/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
<<
>>
Prefs
   1/*
   2 * Copyright 2011 Advanced Micro Devices, Inc.
   3 * All Rights Reserved.
   4 *
   5 * Permission is hereby granted, free of charge, to any person obtaining a
   6 * copy of this software and associated documentation files (the
   7 * "Software"), to deal in the Software without restriction, including
   8 * without limitation the rights to use, copy, modify, merge, publish,
   9 * distribute, sub license, and/or sell copies of the Software, and to
  10 * permit persons to whom the Software is furnished to do so, subject to
  11 * the following conditions:
  12 *
  13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  16 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
  17 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  18 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  19 * USE OR OTHER DEALINGS IN THE SOFTWARE.
  20 *
  21 * The above copyright notice and this permission notice (including the
  22 * next paragraph) shall be included in all copies or substantial portions
  23 * of the Software.
  24 *
  25 */
  26/*
  27 * Authors:
  28 *    Christian König <deathsimple@vodafone.de>
  29 */
  30
  31#include <linux/firmware.h>
  32#include <linux/module.h>
  33
  34#include <drm/drm.h>
  35
  36#include "amdgpu.h"
  37#include "amdgpu_pm.h"
  38#include "amdgpu_uvd.h"
  39#include "cikd.h"
  40#include "uvd/uvd_4_2_d.h"
  41
  42#include "amdgpu_ras.h"
  43
  44/* 1 second timeout */
  45#define UVD_IDLE_TIMEOUT        msecs_to_jiffies(1000)
  46
  47/* Firmware versions for VI */
  48#define FW_1_65_10      ((1 << 24) | (65 << 16) | (10 << 8))
  49#define FW_1_87_11      ((1 << 24) | (87 << 16) | (11 << 8))
  50#define FW_1_87_12      ((1 << 24) | (87 << 16) | (12 << 8))
  51#define FW_1_37_15      ((1 << 24) | (37 << 16) | (15 << 8))
  52
  53/* Polaris10/11 firmware version */
  54#define FW_1_66_16      ((1 << 24) | (66 << 16) | (16 << 8))
  55
  56/* Firmware Names */
  57#ifdef CONFIG_DRM_AMDGPU_CIK
  58#define FIRMWARE_BONAIRE        "amdgpu/bonaire_uvd.bin"
  59#define FIRMWARE_KABINI "amdgpu/kabini_uvd.bin"
  60#define FIRMWARE_KAVERI "amdgpu/kaveri_uvd.bin"
  61#define FIRMWARE_HAWAII "amdgpu/hawaii_uvd.bin"
  62#define FIRMWARE_MULLINS        "amdgpu/mullins_uvd.bin"
  63#endif
  64#define FIRMWARE_TONGA          "amdgpu/tonga_uvd.bin"
  65#define FIRMWARE_CARRIZO        "amdgpu/carrizo_uvd.bin"
  66#define FIRMWARE_FIJI           "amdgpu/fiji_uvd.bin"
  67#define FIRMWARE_STONEY         "amdgpu/stoney_uvd.bin"
  68#define FIRMWARE_POLARIS10      "amdgpu/polaris10_uvd.bin"
  69#define FIRMWARE_POLARIS11      "amdgpu/polaris11_uvd.bin"
  70#define FIRMWARE_POLARIS12      "amdgpu/polaris12_uvd.bin"
  71#define FIRMWARE_VEGAM          "amdgpu/vegam_uvd.bin"
  72
  73#define FIRMWARE_VEGA10         "amdgpu/vega10_uvd.bin"
  74#define FIRMWARE_VEGA12         "amdgpu/vega12_uvd.bin"
  75#define FIRMWARE_VEGA20         "amdgpu/vega20_uvd.bin"
  76
  77/* These are common relative offsets for all asics, from uvd_7_0_offset.h,  */
  78#define UVD_GPCOM_VCPU_CMD              0x03c3
  79#define UVD_GPCOM_VCPU_DATA0    0x03c4
  80#define UVD_GPCOM_VCPU_DATA1    0x03c5
  81#define UVD_NO_OP                               0x03ff
  82#define UVD_BASE_SI                             0x3800
  83
  84/**
  85 * amdgpu_uvd_cs_ctx - Command submission parser context
  86 *
  87 * Used for emulating virtual memory support on UVD 4.2.
  88 */
  89struct amdgpu_uvd_cs_ctx {
  90        struct amdgpu_cs_parser *parser;
  91        unsigned reg, count;
  92        unsigned data0, data1;
  93        unsigned idx;
  94        unsigned ib_idx;
  95
  96        /* does the IB has a msg command */
  97        bool has_msg_cmd;
  98
  99        /* minimum buffer sizes */
 100        unsigned *buf_sizes;
 101};
 102
 103#ifdef CONFIG_DRM_AMDGPU_CIK
 104MODULE_FIRMWARE(FIRMWARE_BONAIRE);
 105MODULE_FIRMWARE(FIRMWARE_KABINI);
 106MODULE_FIRMWARE(FIRMWARE_KAVERI);
 107MODULE_FIRMWARE(FIRMWARE_HAWAII);
 108MODULE_FIRMWARE(FIRMWARE_MULLINS);
 109#endif
 110MODULE_FIRMWARE(FIRMWARE_TONGA);
 111MODULE_FIRMWARE(FIRMWARE_CARRIZO);
 112MODULE_FIRMWARE(FIRMWARE_FIJI);
 113MODULE_FIRMWARE(FIRMWARE_STONEY);
 114MODULE_FIRMWARE(FIRMWARE_POLARIS10);
 115MODULE_FIRMWARE(FIRMWARE_POLARIS11);
 116MODULE_FIRMWARE(FIRMWARE_POLARIS12);
 117MODULE_FIRMWARE(FIRMWARE_VEGAM);
 118
 119MODULE_FIRMWARE(FIRMWARE_VEGA10);
 120MODULE_FIRMWARE(FIRMWARE_VEGA12);
 121MODULE_FIRMWARE(FIRMWARE_VEGA20);
 122
 123static void amdgpu_uvd_idle_work_handler(struct work_struct *work);
 124
 125int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
 126{
 127        unsigned long bo_size;
 128        const char *fw_name;
 129        const struct common_firmware_header *hdr;
 130        unsigned family_id;
 131        int i, j, r;
 132
 133        INIT_DELAYED_WORK(&adev->uvd.idle_work, amdgpu_uvd_idle_work_handler);
 134
 135        switch (adev->asic_type) {
 136#ifdef CONFIG_DRM_AMDGPU_CIK
 137        case CHIP_BONAIRE:
 138                fw_name = FIRMWARE_BONAIRE;
 139                break;
 140        case CHIP_KABINI:
 141                fw_name = FIRMWARE_KABINI;
 142                break;
 143        case CHIP_KAVERI:
 144                fw_name = FIRMWARE_KAVERI;
 145                break;
 146        case CHIP_HAWAII:
 147                fw_name = FIRMWARE_HAWAII;
 148                break;
 149        case CHIP_MULLINS:
 150                fw_name = FIRMWARE_MULLINS;
 151                break;
 152#endif
 153        case CHIP_TONGA:
 154                fw_name = FIRMWARE_TONGA;
 155                break;
 156        case CHIP_FIJI:
 157                fw_name = FIRMWARE_FIJI;
 158                break;
 159        case CHIP_CARRIZO:
 160                fw_name = FIRMWARE_CARRIZO;
 161                break;
 162        case CHIP_STONEY:
 163                fw_name = FIRMWARE_STONEY;
 164                break;
 165        case CHIP_POLARIS10:
 166                fw_name = FIRMWARE_POLARIS10;
 167                break;
 168        case CHIP_POLARIS11:
 169                fw_name = FIRMWARE_POLARIS11;
 170                break;
 171        case CHIP_POLARIS12:
 172                fw_name = FIRMWARE_POLARIS12;
 173                break;
 174        case CHIP_VEGA10:
 175                fw_name = FIRMWARE_VEGA10;
 176                break;
 177        case CHIP_VEGA12:
 178                fw_name = FIRMWARE_VEGA12;
 179                break;
 180        case CHIP_VEGAM:
 181                fw_name = FIRMWARE_VEGAM;
 182                break;
 183        case CHIP_VEGA20:
 184                fw_name = FIRMWARE_VEGA20;
 185                break;
 186        default:
 187                return -EINVAL;
 188        }
 189
 190        r = request_firmware(&adev->uvd.fw, fw_name, adev->dev);
 191        if (r) {
 192                dev_err(adev->dev, "amdgpu_uvd: Can't load firmware \"%s\"\n",
 193                        fw_name);
 194                return r;
 195        }
 196
 197        r = amdgpu_ucode_validate(adev->uvd.fw);
 198        if (r) {
 199                dev_err(adev->dev, "amdgpu_uvd: Can't validate firmware \"%s\"\n",
 200                        fw_name);
 201                release_firmware(adev->uvd.fw);
 202                adev->uvd.fw = NULL;
 203                return r;
 204        }
 205
 206        /* Set the default UVD handles that the firmware can handle */
 207        adev->uvd.max_handles = AMDGPU_DEFAULT_UVD_HANDLES;
 208
 209        hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
 210        family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
 211
 212        if (adev->asic_type < CHIP_VEGA20) {
 213                unsigned version_major, version_minor;
 214
 215                version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
 216                version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
 217                DRM_INFO("Found UVD firmware Version: %hu.%hu Family ID: %hu\n",
 218                        version_major, version_minor, family_id);
 219
 220                /*
 221                 * Limit the number of UVD handles depending on microcode major
 222                 * and minor versions. The firmware version which has 40 UVD
 223                 * instances support is 1.80. So all subsequent versions should
 224                 * also have the same support.
 225                 */
 226                if ((version_major > 0x01) ||
 227                    ((version_major == 0x01) && (version_minor >= 0x50)))
 228                        adev->uvd.max_handles = AMDGPU_MAX_UVD_HANDLES;
 229
 230                adev->uvd.fw_version = ((version_major << 24) | (version_minor << 16) |
 231                                        (family_id << 8));
 232
 233                if ((adev->asic_type == CHIP_POLARIS10 ||
 234                     adev->asic_type == CHIP_POLARIS11) &&
 235                    (adev->uvd.fw_version < FW_1_66_16))
 236                        DRM_ERROR("POLARIS10/11 UVD firmware version %hu.%hu is too old.\n",
 237                                  version_major, version_minor);
 238        } else {
 239                unsigned int enc_major, enc_minor, dec_minor;
 240
 241                dec_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
 242                enc_minor = (le32_to_cpu(hdr->ucode_version) >> 24) & 0x3f;
 243                enc_major = (le32_to_cpu(hdr->ucode_version) >> 30) & 0x3;
 244                DRM_INFO("Found UVD firmware ENC: %hu.%hu DEC: .%hu Family ID: %hu\n",
 245                        enc_major, enc_minor, dec_minor, family_id);
 246
 247                adev->uvd.max_handles = AMDGPU_MAX_UVD_HANDLES;
 248
 249                adev->uvd.fw_version = le32_to_cpu(hdr->ucode_version);
 250        }
 251
 252        bo_size = AMDGPU_UVD_STACK_SIZE + AMDGPU_UVD_HEAP_SIZE
 253                  +  AMDGPU_UVD_SESSION_SIZE * adev->uvd.max_handles;
 254        if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
 255                bo_size += AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
 256
 257        for (j = 0; j < adev->uvd.num_uvd_inst; j++) {
 258                if (adev->uvd.harvest_config & (1 << j))
 259                        continue;
 260                r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
 261                                            AMDGPU_GEM_DOMAIN_VRAM, &adev->uvd.inst[j].vcpu_bo,
 262                                            &adev->uvd.inst[j].gpu_addr, &adev->uvd.inst[j].cpu_addr);
 263                if (r) {
 264                        dev_err(adev->dev, "(%d) failed to allocate UVD bo\n", r);
 265                        return r;
 266                }
 267        }
 268
 269        for (i = 0; i < adev->uvd.max_handles; ++i) {
 270                atomic_set(&adev->uvd.handles[i], 0);
 271                adev->uvd.filp[i] = NULL;
 272        }
 273
 274        /* from uvd v5.0 HW addressing capacity increased to 64 bits */
 275        if (!amdgpu_device_ip_block_version_cmp(adev, AMD_IP_BLOCK_TYPE_UVD, 5, 0))
 276                adev->uvd.address_64_bit = true;
 277
 278        switch (adev->asic_type) {
 279        case CHIP_TONGA:
 280                adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_65_10;
 281                break;
 282        case CHIP_CARRIZO:
 283                adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_87_11;
 284                break;
 285        case CHIP_FIJI:
 286                adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_87_12;
 287                break;
 288        case CHIP_STONEY:
 289                adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_37_15;
 290                break;
 291        default:
 292                adev->uvd.use_ctx_buf = adev->asic_type >= CHIP_POLARIS10;
 293        }
 294
 295        return 0;
 296}
 297
 298int amdgpu_uvd_sw_fini(struct amdgpu_device *adev)
 299{
 300        int i, j;
 301
 302        cancel_delayed_work_sync(&adev->uvd.idle_work);
 303        drm_sched_entity_destroy(&adev->uvd.entity);
 304
 305        for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
 306                if (adev->uvd.harvest_config & (1 << j))
 307                        continue;
 308                kvfree(adev->uvd.inst[j].saved_bo);
 309
 310                amdgpu_bo_free_kernel(&adev->uvd.inst[j].vcpu_bo,
 311                                      &adev->uvd.inst[j].gpu_addr,
 312                                      (void **)&adev->uvd.inst[j].cpu_addr);
 313
 314                amdgpu_ring_fini(&adev->uvd.inst[j].ring);
 315
 316                for (i = 0; i < AMDGPU_MAX_UVD_ENC_RINGS; ++i)
 317                        amdgpu_ring_fini(&adev->uvd.inst[j].ring_enc[i]);
 318        }
 319        release_firmware(adev->uvd.fw);
 320
 321        return 0;
 322}
 323
 324/**
 325 * amdgpu_uvd_entity_init - init entity
 326 *
 327 * @adev: amdgpu_device pointer
 328 *
 329 */
 330int amdgpu_uvd_entity_init(struct amdgpu_device *adev)
 331{
 332        struct amdgpu_ring *ring;
 333        struct drm_gpu_scheduler *sched;
 334        int r;
 335
 336        ring = &adev->uvd.inst[0].ring;
 337        sched = &ring->sched;
 338        r = drm_sched_entity_init(&adev->uvd.entity, DRM_SCHED_PRIORITY_NORMAL,
 339                                  &sched, 1, NULL);
 340        if (r) {
 341                DRM_ERROR("Failed setting up UVD kernel entity.\n");
 342                return r;
 343        }
 344
 345        return 0;
 346}
 347
 348int amdgpu_uvd_suspend(struct amdgpu_device *adev)
 349{
 350        unsigned size;
 351        void *ptr;
 352        int i, j;
 353        bool in_ras_intr = amdgpu_ras_intr_triggered();
 354
 355        cancel_delayed_work_sync(&adev->uvd.idle_work);
 356
 357        /* only valid for physical mode */
 358        if (adev->asic_type < CHIP_POLARIS10) {
 359                for (i = 0; i < adev->uvd.max_handles; ++i)
 360                        if (atomic_read(&adev->uvd.handles[i]))
 361                                break;
 362
 363                if (i == adev->uvd.max_handles)
 364                        return 0;
 365        }
 366
 367        for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
 368                if (adev->uvd.harvest_config & (1 << j))
 369                        continue;
 370                if (adev->uvd.inst[j].vcpu_bo == NULL)
 371                        continue;
 372
 373                size = amdgpu_bo_size(adev->uvd.inst[j].vcpu_bo);
 374                ptr = adev->uvd.inst[j].cpu_addr;
 375
 376                adev->uvd.inst[j].saved_bo = kvmalloc(size, GFP_KERNEL);
 377                if (!adev->uvd.inst[j].saved_bo)
 378                        return -ENOMEM;
 379
 380                /* re-write 0 since err_event_athub will corrupt VCPU buffer */
 381                if (in_ras_intr)
 382                        memset(adev->uvd.inst[j].saved_bo, 0, size);
 383                else
 384                        memcpy_fromio(adev->uvd.inst[j].saved_bo, ptr, size);
 385        }
 386
 387        if (in_ras_intr)
 388                DRM_WARN("UVD VCPU state may lost due to RAS ERREVENT_ATHUB_INTERRUPT\n");
 389
 390        return 0;
 391}
 392
 393int amdgpu_uvd_resume(struct amdgpu_device *adev)
 394{
 395        unsigned size;
 396        void *ptr;
 397        int i;
 398
 399        for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
 400                if (adev->uvd.harvest_config & (1 << i))
 401                        continue;
 402                if (adev->uvd.inst[i].vcpu_bo == NULL)
 403                        return -EINVAL;
 404
 405                size = amdgpu_bo_size(adev->uvd.inst[i].vcpu_bo);
 406                ptr = adev->uvd.inst[i].cpu_addr;
 407
 408                if (adev->uvd.inst[i].saved_bo != NULL) {
 409                        memcpy_toio(ptr, adev->uvd.inst[i].saved_bo, size);
 410                        kvfree(adev->uvd.inst[i].saved_bo);
 411                        adev->uvd.inst[i].saved_bo = NULL;
 412                } else {
 413                        const struct common_firmware_header *hdr;
 414                        unsigned offset;
 415
 416                        hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
 417                        if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
 418                                offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
 419                                memcpy_toio(adev->uvd.inst[i].cpu_addr, adev->uvd.fw->data + offset,
 420                                            le32_to_cpu(hdr->ucode_size_bytes));
 421                                size -= le32_to_cpu(hdr->ucode_size_bytes);
 422                                ptr += le32_to_cpu(hdr->ucode_size_bytes);
 423                        }
 424                        memset_io(ptr, 0, size);
 425                        /* to restore uvd fence seq */
 426                        amdgpu_fence_driver_force_completion(&adev->uvd.inst[i].ring);
 427                }
 428        }
 429        return 0;
 430}
 431
 432void amdgpu_uvd_free_handles(struct amdgpu_device *adev, struct drm_file *filp)
 433{
 434        struct amdgpu_ring *ring = &adev->uvd.inst[0].ring;
 435        int i, r;
 436
 437        for (i = 0; i < adev->uvd.max_handles; ++i) {
 438                uint32_t handle = atomic_read(&adev->uvd.handles[i]);
 439
 440                if (handle != 0 && adev->uvd.filp[i] == filp) {
 441                        struct dma_fence *fence;
 442
 443                        r = amdgpu_uvd_get_destroy_msg(ring, handle, false,
 444                                                       &fence);
 445                        if (r) {
 446                                DRM_ERROR("Error destroying UVD %d!\n", r);
 447                                continue;
 448                        }
 449
 450                        dma_fence_wait(fence, false);
 451                        dma_fence_put(fence);
 452
 453                        adev->uvd.filp[i] = NULL;
 454                        atomic_set(&adev->uvd.handles[i], 0);
 455                }
 456        }
 457}
 458
 459static void amdgpu_uvd_force_into_uvd_segment(struct amdgpu_bo *abo)
 460{
 461        int i;
 462        for (i = 0; i < abo->placement.num_placement; ++i) {
 463                abo->placements[i].fpfn = 0 >> PAGE_SHIFT;
 464                abo->placements[i].lpfn = (256 * 1024 * 1024) >> PAGE_SHIFT;
 465        }
 466}
 467
 468static u64 amdgpu_uvd_get_addr_from_ctx(struct amdgpu_uvd_cs_ctx *ctx)
 469{
 470        uint32_t lo, hi;
 471        uint64_t addr;
 472
 473        lo = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->data0);
 474        hi = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->data1);
 475        addr = ((uint64_t)lo) | (((uint64_t)hi) << 32);
 476
 477        return addr;
 478}
 479
 480/**
 481 * amdgpu_uvd_cs_pass1 - first parsing round
 482 *
 483 * @ctx: UVD parser context
 484 *
 485 * Make sure UVD message and feedback buffers are in VRAM and
 486 * nobody is violating an 256MB boundary.
 487 */
 488static int amdgpu_uvd_cs_pass1(struct amdgpu_uvd_cs_ctx *ctx)
 489{
 490        struct ttm_operation_ctx tctx = { false, false };
 491        struct amdgpu_bo_va_mapping *mapping;
 492        struct amdgpu_bo *bo;
 493        uint32_t cmd;
 494        uint64_t addr = amdgpu_uvd_get_addr_from_ctx(ctx);
 495        int r = 0;
 496
 497        r = amdgpu_cs_find_mapping(ctx->parser, addr, &bo, &mapping);
 498        if (r) {
 499                DRM_ERROR("Can't find BO for addr 0x%08Lx\n", addr);
 500                return r;
 501        }
 502
 503        if (!ctx->parser->adev->uvd.address_64_bit) {
 504                /* check if it's a message or feedback command */
 505                cmd = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->idx) >> 1;
 506                if (cmd == 0x0 || cmd == 0x3) {
 507                        /* yes, force it into VRAM */
 508                        uint32_t domain = AMDGPU_GEM_DOMAIN_VRAM;
 509                        amdgpu_bo_placement_from_domain(bo, domain);
 510                }
 511                amdgpu_uvd_force_into_uvd_segment(bo);
 512
 513                r = ttm_bo_validate(&bo->tbo, &bo->placement, &tctx);
 514        }
 515
 516        return r;
 517}
 518
 519/**
 520 * amdgpu_uvd_cs_msg_decode - handle UVD decode message
 521 *
 522 * @msg: pointer to message structure
 523 * @buf_sizes: returned buffer sizes
 524 *
 525 * Peek into the decode message and calculate the necessary buffer sizes.
 526 */
 527static int amdgpu_uvd_cs_msg_decode(struct amdgpu_device *adev, uint32_t *msg,
 528        unsigned buf_sizes[])
 529{
 530        unsigned stream_type = msg[4];
 531        unsigned width = msg[6];
 532        unsigned height = msg[7];
 533        unsigned dpb_size = msg[9];
 534        unsigned pitch = msg[28];
 535        unsigned level = msg[57];
 536
 537        unsigned width_in_mb = width / 16;
 538        unsigned height_in_mb = ALIGN(height / 16, 2);
 539        unsigned fs_in_mb = width_in_mb * height_in_mb;
 540
 541        unsigned image_size, tmp, min_dpb_size, num_dpb_buffer;
 542        unsigned min_ctx_size = ~0;
 543
 544        image_size = width * height;
 545        image_size += image_size / 2;
 546        image_size = ALIGN(image_size, 1024);
 547
 548        switch (stream_type) {
 549        case 0: /* H264 */
 550                switch(level) {
 551                case 30:
 552                        num_dpb_buffer = 8100 / fs_in_mb;
 553                        break;
 554                case 31:
 555                        num_dpb_buffer = 18000 / fs_in_mb;
 556                        break;
 557                case 32:
 558                        num_dpb_buffer = 20480 / fs_in_mb;
 559                        break;
 560                case 41:
 561                        num_dpb_buffer = 32768 / fs_in_mb;
 562                        break;
 563                case 42:
 564                        num_dpb_buffer = 34816 / fs_in_mb;
 565                        break;
 566                case 50:
 567                        num_dpb_buffer = 110400 / fs_in_mb;
 568                        break;
 569                case 51:
 570                        num_dpb_buffer = 184320 / fs_in_mb;
 571                        break;
 572                default:
 573                        num_dpb_buffer = 184320 / fs_in_mb;
 574                        break;
 575                }
 576                num_dpb_buffer++;
 577                if (num_dpb_buffer > 17)
 578                        num_dpb_buffer = 17;
 579
 580                /* reference picture buffer */
 581                min_dpb_size = image_size * num_dpb_buffer;
 582
 583                /* macroblock context buffer */
 584                min_dpb_size += width_in_mb * height_in_mb * num_dpb_buffer * 192;
 585
 586                /* IT surface buffer */
 587                min_dpb_size += width_in_mb * height_in_mb * 32;
 588                break;
 589
 590        case 1: /* VC1 */
 591
 592                /* reference picture buffer */
 593                min_dpb_size = image_size * 3;
 594
 595                /* CONTEXT_BUFFER */
 596                min_dpb_size += width_in_mb * height_in_mb * 128;
 597
 598                /* IT surface buffer */
 599                min_dpb_size += width_in_mb * 64;
 600
 601                /* DB surface buffer */
 602                min_dpb_size += width_in_mb * 128;
 603
 604                /* BP */
 605                tmp = max(width_in_mb, height_in_mb);
 606                min_dpb_size += ALIGN(tmp * 7 * 16, 64);
 607                break;
 608
 609        case 3: /* MPEG2 */
 610
 611                /* reference picture buffer */
 612                min_dpb_size = image_size * 3;
 613                break;
 614
 615        case 4: /* MPEG4 */
 616
 617                /* reference picture buffer */
 618                min_dpb_size = image_size * 3;
 619
 620                /* CM */
 621                min_dpb_size += width_in_mb * height_in_mb * 64;
 622
 623                /* IT surface buffer */
 624                min_dpb_size += ALIGN(width_in_mb * height_in_mb * 32, 64);
 625                break;
 626
 627        case 7: /* H264 Perf */
 628                switch(level) {
 629                case 30:
 630                        num_dpb_buffer = 8100 / fs_in_mb;
 631                        break;
 632                case 31:
 633                        num_dpb_buffer = 18000 / fs_in_mb;
 634                        break;
 635                case 32:
 636                        num_dpb_buffer = 20480 / fs_in_mb;
 637                        break;
 638                case 41:
 639                        num_dpb_buffer = 32768 / fs_in_mb;
 640                        break;
 641                case 42:
 642                        num_dpb_buffer = 34816 / fs_in_mb;
 643                        break;
 644                case 50:
 645                        num_dpb_buffer = 110400 / fs_in_mb;
 646                        break;
 647                case 51:
 648                        num_dpb_buffer = 184320 / fs_in_mb;
 649                        break;
 650                default:
 651                        num_dpb_buffer = 184320 / fs_in_mb;
 652                        break;
 653                }
 654                num_dpb_buffer++;
 655                if (num_dpb_buffer > 17)
 656                        num_dpb_buffer = 17;
 657
 658                /* reference picture buffer */
 659                min_dpb_size = image_size * num_dpb_buffer;
 660
 661                if (!adev->uvd.use_ctx_buf){
 662                        /* macroblock context buffer */
 663                        min_dpb_size +=
 664                                width_in_mb * height_in_mb * num_dpb_buffer * 192;
 665
 666                        /* IT surface buffer */
 667                        min_dpb_size += width_in_mb * height_in_mb * 32;
 668                } else {
 669                        /* macroblock context buffer */
 670                        min_ctx_size =
 671                                width_in_mb * height_in_mb * num_dpb_buffer * 192;
 672                }
 673                break;
 674
 675        case 8: /* MJPEG */
 676                min_dpb_size = 0;
 677                break;
 678
 679        case 16: /* H265 */
 680                image_size = (ALIGN(width, 16) * ALIGN(height, 16) * 3) / 2;
 681                image_size = ALIGN(image_size, 256);
 682
 683                num_dpb_buffer = (le32_to_cpu(msg[59]) & 0xff) + 2;
 684                min_dpb_size = image_size * num_dpb_buffer;
 685                min_ctx_size = ((width + 255) / 16) * ((height + 255) / 16)
 686                                           * 16 * num_dpb_buffer + 52 * 1024;
 687                break;
 688
 689        default:
 690                DRM_ERROR("UVD codec not handled %d!\n", stream_type);
 691                return -EINVAL;
 692        }
 693
 694        if (width > pitch) {
 695                DRM_ERROR("Invalid UVD decoding target pitch!\n");
 696                return -EINVAL;
 697        }
 698
 699        if (dpb_size < min_dpb_size) {
 700                DRM_ERROR("Invalid dpb_size in UVD message (%d / %d)!\n",
 701                          dpb_size, min_dpb_size);
 702                return -EINVAL;
 703        }
 704
 705        buf_sizes[0x1] = dpb_size;
 706        buf_sizes[0x2] = image_size;
 707        buf_sizes[0x4] = min_ctx_size;
 708        /* store image width to adjust nb memory pstate */
 709        adev->uvd.decode_image_width = width;
 710        return 0;
 711}
 712
 713/**
 714 * amdgpu_uvd_cs_msg - handle UVD message
 715 *
 716 * @ctx: UVD parser context
 717 * @bo: buffer object containing the message
 718 * @offset: offset into the buffer object
 719 *
 720 * Peek into the UVD message and extract the session id.
 721 * Make sure that we don't open up to many sessions.
 722 */
 723static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
 724                             struct amdgpu_bo *bo, unsigned offset)
 725{
 726        struct amdgpu_device *adev = ctx->parser->adev;
 727        int32_t *msg, msg_type, handle;
 728        void *ptr;
 729        long r;
 730        int i;
 731
 732        if (offset & 0x3F) {
 733                DRM_ERROR("UVD messages must be 64 byte aligned!\n");
 734                return -EINVAL;
 735        }
 736
 737        r = amdgpu_bo_kmap(bo, &ptr);
 738        if (r) {
 739                DRM_ERROR("Failed mapping the UVD) message (%ld)!\n", r);
 740                return r;
 741        }
 742
 743        msg = ptr + offset;
 744
 745        msg_type = msg[1];
 746        handle = msg[2];
 747
 748        if (handle == 0) {
 749                DRM_ERROR("Invalid UVD handle!\n");
 750                return -EINVAL;
 751        }
 752
 753        switch (msg_type) {
 754        case 0:
 755                /* it's a create msg, calc image size (width * height) */
 756                amdgpu_bo_kunmap(bo);
 757
 758                /* try to alloc a new handle */
 759                for (i = 0; i < adev->uvd.max_handles; ++i) {
 760                        if (atomic_read(&adev->uvd.handles[i]) == handle) {
 761                                DRM_ERROR(")Handle 0x%x already in use!\n",
 762                                          handle);
 763                                return -EINVAL;
 764                        }
 765
 766                        if (!atomic_cmpxchg(&adev->uvd.handles[i], 0, handle)) {
 767                                adev->uvd.filp[i] = ctx->parser->filp;
 768                                return 0;
 769                        }
 770                }
 771
 772                DRM_ERROR("No more free UVD handles!\n");
 773                return -ENOSPC;
 774
 775        case 1:
 776                /* it's a decode msg, calc buffer sizes */
 777                r = amdgpu_uvd_cs_msg_decode(adev, msg, ctx->buf_sizes);
 778                amdgpu_bo_kunmap(bo);
 779                if (r)
 780                        return r;
 781
 782                /* validate the handle */
 783                for (i = 0; i < adev->uvd.max_handles; ++i) {
 784                        if (atomic_read(&adev->uvd.handles[i]) == handle) {
 785                                if (adev->uvd.filp[i] != ctx->parser->filp) {
 786                                        DRM_ERROR("UVD handle collision detected!\n");
 787                                        return -EINVAL;
 788                                }
 789                                return 0;
 790                        }
 791                }
 792
 793                DRM_ERROR("Invalid UVD handle 0x%x!\n", handle);
 794                return -ENOENT;
 795
 796        case 2:
 797                /* it's a destroy msg, free the handle */
 798                for (i = 0; i < adev->uvd.max_handles; ++i)
 799                        atomic_cmpxchg(&adev->uvd.handles[i], handle, 0);
 800                amdgpu_bo_kunmap(bo);
 801                return 0;
 802
 803        default:
 804                DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
 805                return -EINVAL;
 806        }
 807        BUG();
 808        return -EINVAL;
 809}
 810
 811/**
 812 * amdgpu_uvd_cs_pass2 - second parsing round
 813 *
 814 * @ctx: UVD parser context
 815 *
 816 * Patch buffer addresses, make sure buffer sizes are correct.
 817 */
 818static int amdgpu_uvd_cs_pass2(struct amdgpu_uvd_cs_ctx *ctx)
 819{
 820        struct amdgpu_bo_va_mapping *mapping;
 821        struct amdgpu_bo *bo;
 822        uint32_t cmd;
 823        uint64_t start, end;
 824        uint64_t addr = amdgpu_uvd_get_addr_from_ctx(ctx);
 825        int r;
 826
 827        r = amdgpu_cs_find_mapping(ctx->parser, addr, &bo, &mapping);
 828        if (r) {
 829                DRM_ERROR("Can't find BO for addr 0x%08Lx\n", addr);
 830                return r;
 831        }
 832
 833        start = amdgpu_bo_gpu_offset(bo);
 834
 835        end = (mapping->last + 1 - mapping->start);
 836        end = end * AMDGPU_GPU_PAGE_SIZE + start;
 837
 838        addr -= mapping->start * AMDGPU_GPU_PAGE_SIZE;
 839        start += addr;
 840
 841        amdgpu_set_ib_value(ctx->parser, ctx->ib_idx, ctx->data0,
 842                            lower_32_bits(start));
 843        amdgpu_set_ib_value(ctx->parser, ctx->ib_idx, ctx->data1,
 844                            upper_32_bits(start));
 845
 846        cmd = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->idx) >> 1;
 847        if (cmd < 0x4) {
 848                if ((end - start) < ctx->buf_sizes[cmd]) {
 849                        DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd,
 850                                  (unsigned)(end - start),
 851                                  ctx->buf_sizes[cmd]);
 852                        return -EINVAL;
 853                }
 854
 855        } else if (cmd == 0x206) {
 856                if ((end - start) < ctx->buf_sizes[4]) {
 857                        DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd,
 858                                          (unsigned)(end - start),
 859                                          ctx->buf_sizes[4]);
 860                        return -EINVAL;
 861                }
 862        } else if ((cmd != 0x100) && (cmd != 0x204)) {
 863                DRM_ERROR("invalid UVD command %X!\n", cmd);
 864                return -EINVAL;
 865        }
 866
 867        if (!ctx->parser->adev->uvd.address_64_bit) {
 868                if ((start >> 28) != ((end - 1) >> 28)) {
 869                        DRM_ERROR("reloc %LX-%LX crossing 256MB boundary!\n",
 870                                  start, end);
 871                        return -EINVAL;
 872                }
 873
 874                if ((cmd == 0 || cmd == 0x3) &&
 875                    (start >> 28) != (ctx->parser->adev->uvd.inst->gpu_addr >> 28)) {
 876                        DRM_ERROR("msg/fb buffer %LX-%LX out of 256MB segment!\n",
 877                                  start, end);
 878                        return -EINVAL;
 879                }
 880        }
 881
 882        if (cmd == 0) {
 883                ctx->has_msg_cmd = true;
 884                r = amdgpu_uvd_cs_msg(ctx, bo, addr);
 885                if (r)
 886                        return r;
 887        } else if (!ctx->has_msg_cmd) {
 888                DRM_ERROR("Message needed before other commands are send!\n");
 889                return -EINVAL;
 890        }
 891
 892        return 0;
 893}
 894
 895/**
 896 * amdgpu_uvd_cs_reg - parse register writes
 897 *
 898 * @ctx: UVD parser context
 899 * @cb: callback function
 900 *
 901 * Parse the register writes, call cb on each complete command.
 902 */
 903static int amdgpu_uvd_cs_reg(struct amdgpu_uvd_cs_ctx *ctx,
 904                             int (*cb)(struct amdgpu_uvd_cs_ctx *ctx))
 905{
 906        struct amdgpu_ib *ib = &ctx->parser->job->ibs[ctx->ib_idx];
 907        int i, r;
 908
 909        ctx->idx++;
 910        for (i = 0; i <= ctx->count; ++i) {
 911                unsigned reg = ctx->reg + i;
 912
 913                if (ctx->idx >= ib->length_dw) {
 914                        DRM_ERROR("Register command after end of CS!\n");
 915                        return -EINVAL;
 916                }
 917
 918                switch (reg) {
 919                case mmUVD_GPCOM_VCPU_DATA0:
 920                        ctx->data0 = ctx->idx;
 921                        break;
 922                case mmUVD_GPCOM_VCPU_DATA1:
 923                        ctx->data1 = ctx->idx;
 924                        break;
 925                case mmUVD_GPCOM_VCPU_CMD:
 926                        r = cb(ctx);
 927                        if (r)
 928                                return r;
 929                        break;
 930                case mmUVD_ENGINE_CNTL:
 931                case mmUVD_NO_OP:
 932                        break;
 933                default:
 934                        DRM_ERROR("Invalid reg 0x%X!\n", reg);
 935                        return -EINVAL;
 936                }
 937                ctx->idx++;
 938        }
 939        return 0;
 940}
 941
 942/**
 943 * amdgpu_uvd_cs_packets - parse UVD packets
 944 *
 945 * @ctx: UVD parser context
 946 * @cb: callback function
 947 *
 948 * Parse the command stream packets.
 949 */
 950static int amdgpu_uvd_cs_packets(struct amdgpu_uvd_cs_ctx *ctx,
 951                                 int (*cb)(struct amdgpu_uvd_cs_ctx *ctx))
 952{
 953        struct amdgpu_ib *ib = &ctx->parser->job->ibs[ctx->ib_idx];
 954        int r;
 955
 956        for (ctx->idx = 0 ; ctx->idx < ib->length_dw; ) {
 957                uint32_t cmd = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->idx);
 958                unsigned type = CP_PACKET_GET_TYPE(cmd);
 959                switch (type) {
 960                case PACKET_TYPE0:
 961                        ctx->reg = CP_PACKET0_GET_REG(cmd);
 962                        ctx->count = CP_PACKET_GET_COUNT(cmd);
 963                        r = amdgpu_uvd_cs_reg(ctx, cb);
 964                        if (r)
 965                                return r;
 966                        break;
 967                case PACKET_TYPE2:
 968                        ++ctx->idx;
 969                        break;
 970                default:
 971                        DRM_ERROR("Unknown packet type %d !\n", type);
 972                        return -EINVAL;
 973                }
 974        }
 975        return 0;
 976}
 977
 978/**
 979 * amdgpu_uvd_ring_parse_cs - UVD command submission parser
 980 *
 981 * @parser: Command submission parser context
 982 *
 983 * Parse the command stream, patch in addresses as necessary.
 984 */
 985int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser, uint32_t ib_idx)
 986{
 987        struct amdgpu_uvd_cs_ctx ctx = {};
 988        unsigned buf_sizes[] = {
 989                [0x00000000]    =       2048,
 990                [0x00000001]    =       0xFFFFFFFF,
 991                [0x00000002]    =       0xFFFFFFFF,
 992                [0x00000003]    =       2048,
 993                [0x00000004]    =       0xFFFFFFFF,
 994        };
 995        struct amdgpu_ib *ib = &parser->job->ibs[ib_idx];
 996        int r;
 997
 998        parser->job->vm = NULL;
 999        ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo);
1000
1001        if (ib->length_dw % 16) {
1002                DRM_ERROR("UVD IB length (%d) not 16 dwords aligned!\n",
1003                          ib->length_dw);
1004                return -EINVAL;
1005        }
1006
1007        ctx.parser = parser;
1008        ctx.buf_sizes = buf_sizes;
1009        ctx.ib_idx = ib_idx;
1010
1011        /* first round only required on chips without UVD 64 bit address support */
1012        if (!parser->adev->uvd.address_64_bit) {
1013                /* first round, make sure the buffers are actually in the UVD segment */
1014                r = amdgpu_uvd_cs_packets(&ctx, amdgpu_uvd_cs_pass1);
1015                if (r)
1016                        return r;
1017        }
1018
1019        /* second round, patch buffer addresses into the command stream */
1020        r = amdgpu_uvd_cs_packets(&ctx, amdgpu_uvd_cs_pass2);
1021        if (r)
1022                return r;
1023
1024        if (!ctx.has_msg_cmd) {
1025                DRM_ERROR("UVD-IBs need a msg command!\n");
1026                return -EINVAL;
1027        }
1028
1029        return 0;
1030}
1031
1032static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo,
1033                               bool direct, struct dma_fence **fence)
1034{
1035        struct amdgpu_device *adev = ring->adev;
1036        struct dma_fence *f = NULL;
1037        struct amdgpu_job *job;
1038        struct amdgpu_ib *ib;
1039        uint32_t data[4];
1040        uint64_t addr;
1041        long r;
1042        int i;
1043        unsigned offset_idx = 0;
1044        unsigned offset[3] = { UVD_BASE_SI, 0, 0 };
1045
1046        amdgpu_bo_kunmap(bo);
1047        amdgpu_bo_unpin(bo);
1048
1049        if (!ring->adev->uvd.address_64_bit) {
1050                struct ttm_operation_ctx ctx = { true, false };
1051
1052                amdgpu_bo_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_VRAM);
1053                amdgpu_uvd_force_into_uvd_segment(bo);
1054                r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
1055                if (r)
1056                        goto err;
1057        }
1058
1059        r = amdgpu_job_alloc_with_ib(adev, 64, direct ? AMDGPU_IB_POOL_DIRECT :
1060                                     AMDGPU_IB_POOL_DELAYED, &job);
1061        if (r)
1062                goto err;
1063
1064        if (adev->asic_type >= CHIP_VEGA10) {
1065                offset_idx = 1 + ring->me;
1066                offset[1] = adev->reg_offset[UVD_HWIP][0][1];
1067                offset[2] = adev->reg_offset[UVD_HWIP][1][1];
1068        }
1069
1070        data[0] = PACKET0(offset[offset_idx] + UVD_GPCOM_VCPU_DATA0, 0);
1071        data[1] = PACKET0(offset[offset_idx] + UVD_GPCOM_VCPU_DATA1, 0);
1072        data[2] = PACKET0(offset[offset_idx] + UVD_GPCOM_VCPU_CMD, 0);
1073        data[3] = PACKET0(offset[offset_idx] + UVD_NO_OP, 0);
1074
1075        ib = &job->ibs[0];
1076        addr = amdgpu_bo_gpu_offset(bo);
1077        ib->ptr[0] = data[0];
1078        ib->ptr[1] = addr;
1079        ib->ptr[2] = data[1];
1080        ib->ptr[3] = addr >> 32;
1081        ib->ptr[4] = data[2];
1082        ib->ptr[5] = 0;
1083        for (i = 6; i < 16; i += 2) {
1084                ib->ptr[i] = data[3];
1085                ib->ptr[i+1] = 0;
1086        }
1087        ib->length_dw = 16;
1088
1089        if (direct) {
1090                r = dma_resv_wait_timeout_rcu(bo->tbo.base.resv,
1091                                                        true, false,
1092                                                        msecs_to_jiffies(10));
1093                if (r == 0)
1094                        r = -ETIMEDOUT;
1095                if (r < 0)
1096                        goto err_free;
1097
1098                r = amdgpu_job_submit_direct(job, ring, &f);
1099                if (r)
1100                        goto err_free;
1101        } else {
1102                r = amdgpu_sync_resv(adev, &job->sync, bo->tbo.base.resv,
1103                                     AMDGPU_SYNC_ALWAYS,
1104                                     AMDGPU_FENCE_OWNER_UNDEFINED);
1105                if (r)
1106                        goto err_free;
1107
1108                r = amdgpu_job_submit(job, &adev->uvd.entity,
1109                                      AMDGPU_FENCE_OWNER_UNDEFINED, &f);
1110                if (r)
1111                        goto err_free;
1112        }
1113
1114        amdgpu_bo_fence(bo, f, false);
1115        amdgpu_bo_unreserve(bo);
1116        amdgpu_bo_unref(&bo);
1117
1118        if (fence)
1119                *fence = dma_fence_get(f);
1120        dma_fence_put(f);
1121
1122        return 0;
1123
1124err_free:
1125        amdgpu_job_free(job);
1126
1127err:
1128        amdgpu_bo_unreserve(bo);
1129        amdgpu_bo_unref(&bo);
1130        return r;
1131}
1132
1133/* multiple fence commands without any stream commands in between can
1134   crash the vcpu so just try to emmit a dummy create/destroy msg to
1135   avoid this */
1136int amdgpu_uvd_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
1137                              struct dma_fence **fence)
1138{
1139        struct amdgpu_device *adev = ring->adev;
1140        struct amdgpu_bo *bo = NULL;
1141        uint32_t *msg;
1142        int r, i;
1143
1144        r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
1145                                      AMDGPU_GEM_DOMAIN_VRAM,
1146                                      &bo, NULL, (void **)&msg);
1147        if (r)
1148                return r;
1149
1150        /* stitch together an UVD create msg */
1151        msg[0] = cpu_to_le32(0x00000de4);
1152        msg[1] = cpu_to_le32(0x00000000);
1153        msg[2] = cpu_to_le32(handle);
1154        msg[3] = cpu_to_le32(0x00000000);
1155        msg[4] = cpu_to_le32(0x00000000);
1156        msg[5] = cpu_to_le32(0x00000000);
1157        msg[6] = cpu_to_le32(0x00000000);
1158        msg[7] = cpu_to_le32(0x00000780);
1159        msg[8] = cpu_to_le32(0x00000440);
1160        msg[9] = cpu_to_le32(0x00000000);
1161        msg[10] = cpu_to_le32(0x01b37000);
1162        for (i = 11; i < 1024; ++i)
1163                msg[i] = cpu_to_le32(0x0);
1164
1165        return amdgpu_uvd_send_msg(ring, bo, true, fence);
1166}
1167
1168int amdgpu_uvd_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
1169                               bool direct, struct dma_fence **fence)
1170{
1171        struct amdgpu_device *adev = ring->adev;
1172        struct amdgpu_bo *bo = NULL;
1173        uint32_t *msg;
1174        int r, i;
1175
1176        r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
1177                                      AMDGPU_GEM_DOMAIN_VRAM,
1178                                      &bo, NULL, (void **)&msg);
1179        if (r)
1180                return r;
1181
1182        /* stitch together an UVD destroy msg */
1183        msg[0] = cpu_to_le32(0x00000de4);
1184        msg[1] = cpu_to_le32(0x00000002);
1185        msg[2] = cpu_to_le32(handle);
1186        msg[3] = cpu_to_le32(0x00000000);
1187        for (i = 4; i < 1024; ++i)
1188                msg[i] = cpu_to_le32(0x0);
1189
1190        return amdgpu_uvd_send_msg(ring, bo, direct, fence);
1191}
1192
1193static void amdgpu_uvd_idle_work_handler(struct work_struct *work)
1194{
1195        struct amdgpu_device *adev =
1196                container_of(work, struct amdgpu_device, uvd.idle_work.work);
1197        unsigned fences = 0, i, j;
1198
1199        for (i = 0; i < adev->uvd.num_uvd_inst; ++i) {
1200                if (adev->uvd.harvest_config & (1 << i))
1201                        continue;
1202                fences += amdgpu_fence_count_emitted(&adev->uvd.inst[i].ring);
1203                for (j = 0; j < adev->uvd.num_enc_rings; ++j) {
1204                        fences += amdgpu_fence_count_emitted(&adev->uvd.inst[i].ring_enc[j]);
1205                }
1206        }
1207
1208        if (fences == 0) {
1209                if (adev->pm.dpm_enabled) {
1210                        amdgpu_dpm_enable_uvd(adev, false);
1211                } else {
1212                        amdgpu_asic_set_uvd_clocks(adev, 0, 0);
1213                        /* shutdown the UVD block */
1214                        amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1215                                                               AMD_PG_STATE_GATE);
1216                        amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1217                                                               AMD_CG_STATE_GATE);
1218                }
1219        } else {
1220                schedule_delayed_work(&adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
1221        }
1222}
1223
1224void amdgpu_uvd_ring_begin_use(struct amdgpu_ring *ring)
1225{
1226        struct amdgpu_device *adev = ring->adev;
1227        bool set_clocks;
1228
1229        if (amdgpu_sriov_vf(adev))
1230                return;
1231
1232        set_clocks = !cancel_delayed_work_sync(&adev->uvd.idle_work);
1233        if (set_clocks) {
1234                if (adev->pm.dpm_enabled) {
1235                        amdgpu_dpm_enable_uvd(adev, true);
1236                } else {
1237                        amdgpu_asic_set_uvd_clocks(adev, 53300, 40000);
1238                        amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1239                                                               AMD_CG_STATE_UNGATE);
1240                        amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1241                                                               AMD_PG_STATE_UNGATE);
1242                }
1243        }
1244}
1245
1246void amdgpu_uvd_ring_end_use(struct amdgpu_ring *ring)
1247{
1248        if (!amdgpu_sriov_vf(ring->adev))
1249                schedule_delayed_work(&ring->adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
1250}
1251
1252/**
1253 * amdgpu_uvd_ring_test_ib - test ib execution
1254 *
1255 * @ring: amdgpu_ring pointer
1256 *
1257 * Test if we can successfully execute an IB
1258 */
1259int amdgpu_uvd_ring_test_ib(struct amdgpu_ring *ring, long timeout)
1260{
1261        struct dma_fence *fence;
1262        long r;
1263
1264        r = amdgpu_uvd_get_create_msg(ring, 1, NULL);
1265        if (r)
1266                goto error;
1267
1268        r = amdgpu_uvd_get_destroy_msg(ring, 1, true, &fence);
1269        if (r)
1270                goto error;
1271
1272        r = dma_fence_wait_timeout(fence, false, timeout);
1273        if (r == 0)
1274                r = -ETIMEDOUT;
1275        else if (r > 0)
1276                r = 0;
1277
1278        dma_fence_put(fence);
1279
1280error:
1281        return r;
1282}
1283
1284/**
1285 * amdgpu_uvd_used_handles - returns used UVD handles
1286 *
1287 * @adev: amdgpu_device pointer
1288 *
1289 * Returns the number of UVD handles in use
1290 */
1291uint32_t amdgpu_uvd_used_handles(struct amdgpu_device *adev)
1292{
1293        unsigned i;
1294        uint32_t used_handles = 0;
1295
1296        for (i = 0; i < adev->uvd.max_handles; ++i) {
1297                /*
1298                 * Handles can be freed in any order, and not
1299                 * necessarily linear. So we need to count
1300                 * all non-zero handles.
1301                 */
1302                if (atomic_read(&adev->uvd.handles[i]))
1303                        used_handles++;
1304        }
1305
1306        return used_handles;
1307}
1308