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