linux/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
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   1/*
   2 * Copyright 2011 Advanced Micro Devices, Inc.
   3 * All Rights Reserved.
   4 *
   5 * Permission is hereby granted, free of charge, to any person obtaining a
   6 * copy of this software and associated documentation files (the
   7 * "Software"), to deal in the Software without restriction, including
   8 * without limitation the rights to use, copy, modify, merge, publish,
   9 * distribute, sub license, and/or sell copies of the Software, and to
  10 * permit persons to whom the Software is furnished to do so, subject to
  11 * the following conditions:
  12 *
  13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  16 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
  17 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  18 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  19 * USE OR OTHER DEALINGS IN THE SOFTWARE.
  20 *
  21 * The above copyright notice and this permission notice (including the
  22 * next paragraph) shall be included in all copies or substantial portions
  23 * of the Software.
  24 *
  25 */
  26/*
  27 * Authors:
  28 *    Christian König <deathsimple@vodafone.de>
  29 */
  30
  31#include <linux/firmware.h>
  32#include <linux/module.h>
  33
  34#include <drm/drm.h>
  35#include <drm/drm_drv.h>
  36
  37#include "amdgpu.h"
  38#include "amdgpu_pm.h"
  39#include "amdgpu_uvd.h"
  40#include "cikd.h"
  41#include "uvd/uvd_4_2_d.h"
  42
  43#include "amdgpu_ras.h"
  44
  45/* 1 second timeout */
  46#define UVD_IDLE_TIMEOUT        msecs_to_jiffies(1000)
  47
  48/* Firmware versions for VI */
  49#define FW_1_65_10      ((1 << 24) | (65 << 16) | (10 << 8))
  50#define FW_1_87_11      ((1 << 24) | (87 << 16) | (11 << 8))
  51#define FW_1_87_12      ((1 << 24) | (87 << 16) | (12 << 8))
  52#define FW_1_37_15      ((1 << 24) | (37 << 16) | (15 << 8))
  53
  54/* Polaris10/11 firmware version */
  55#define FW_1_66_16      ((1 << 24) | (66 << 16) | (16 << 8))
  56
  57/* Firmware Names */
  58#ifdef CONFIG_DRM_AMDGPU_SI
  59#define FIRMWARE_TAHITI         "amdgpu/tahiti_uvd.bin"
  60#define FIRMWARE_VERDE          "amdgpu/verde_uvd.bin"
  61#define FIRMWARE_PITCAIRN       "amdgpu/pitcairn_uvd.bin"
  62#define FIRMWARE_OLAND          "amdgpu/oland_uvd.bin"
  63#endif
  64#ifdef CONFIG_DRM_AMDGPU_CIK
  65#define FIRMWARE_BONAIRE        "amdgpu/bonaire_uvd.bin"
  66#define FIRMWARE_KABINI "amdgpu/kabini_uvd.bin"
  67#define FIRMWARE_KAVERI "amdgpu/kaveri_uvd.bin"
  68#define FIRMWARE_HAWAII "amdgpu/hawaii_uvd.bin"
  69#define FIRMWARE_MULLINS        "amdgpu/mullins_uvd.bin"
  70#endif
  71#define FIRMWARE_TONGA          "amdgpu/tonga_uvd.bin"
  72#define FIRMWARE_CARRIZO        "amdgpu/carrizo_uvd.bin"
  73#define FIRMWARE_FIJI           "amdgpu/fiji_uvd.bin"
  74#define FIRMWARE_STONEY         "amdgpu/stoney_uvd.bin"
  75#define FIRMWARE_POLARIS10      "amdgpu/polaris10_uvd.bin"
  76#define FIRMWARE_POLARIS11      "amdgpu/polaris11_uvd.bin"
  77#define FIRMWARE_POLARIS12      "amdgpu/polaris12_uvd.bin"
  78#define FIRMWARE_VEGAM          "amdgpu/vegam_uvd.bin"
  79
  80#define FIRMWARE_VEGA10         "amdgpu/vega10_uvd.bin"
  81#define FIRMWARE_VEGA12         "amdgpu/vega12_uvd.bin"
  82#define FIRMWARE_VEGA20         "amdgpu/vega20_uvd.bin"
  83
  84/* These are common relative offsets for all asics, from uvd_7_0_offset.h,  */
  85#define UVD_GPCOM_VCPU_CMD              0x03c3
  86#define UVD_GPCOM_VCPU_DATA0    0x03c4
  87#define UVD_GPCOM_VCPU_DATA1    0x03c5
  88#define UVD_NO_OP                               0x03ff
  89#define UVD_BASE_SI                             0x3800
  90
  91/*
  92 * amdgpu_uvd_cs_ctx - Command submission parser context
  93 *
  94 * Used for emulating virtual memory support on UVD 4.2.
  95 */
  96struct amdgpu_uvd_cs_ctx {
  97        struct amdgpu_cs_parser *parser;
  98        unsigned reg, count;
  99        unsigned data0, data1;
 100        unsigned idx;
 101        unsigned ib_idx;
 102
 103        /* does the IB has a msg command */
 104        bool has_msg_cmd;
 105
 106        /* minimum buffer sizes */
 107        unsigned *buf_sizes;
 108};
 109
 110#ifdef CONFIG_DRM_AMDGPU_SI
 111MODULE_FIRMWARE(FIRMWARE_TAHITI);
 112MODULE_FIRMWARE(FIRMWARE_VERDE);
 113MODULE_FIRMWARE(FIRMWARE_PITCAIRN);
 114MODULE_FIRMWARE(FIRMWARE_OLAND);
 115#endif
 116#ifdef CONFIG_DRM_AMDGPU_CIK
 117MODULE_FIRMWARE(FIRMWARE_BONAIRE);
 118MODULE_FIRMWARE(FIRMWARE_KABINI);
 119MODULE_FIRMWARE(FIRMWARE_KAVERI);
 120MODULE_FIRMWARE(FIRMWARE_HAWAII);
 121MODULE_FIRMWARE(FIRMWARE_MULLINS);
 122#endif
 123MODULE_FIRMWARE(FIRMWARE_TONGA);
 124MODULE_FIRMWARE(FIRMWARE_CARRIZO);
 125MODULE_FIRMWARE(FIRMWARE_FIJI);
 126MODULE_FIRMWARE(FIRMWARE_STONEY);
 127MODULE_FIRMWARE(FIRMWARE_POLARIS10);
 128MODULE_FIRMWARE(FIRMWARE_POLARIS11);
 129MODULE_FIRMWARE(FIRMWARE_POLARIS12);
 130MODULE_FIRMWARE(FIRMWARE_VEGAM);
 131
 132MODULE_FIRMWARE(FIRMWARE_VEGA10);
 133MODULE_FIRMWARE(FIRMWARE_VEGA12);
 134MODULE_FIRMWARE(FIRMWARE_VEGA20);
 135
 136static void amdgpu_uvd_idle_work_handler(struct work_struct *work);
 137
 138int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
 139{
 140        unsigned long bo_size;
 141        const char *fw_name;
 142        const struct common_firmware_header *hdr;
 143        unsigned family_id;
 144        int i, j, r;
 145
 146        INIT_DELAYED_WORK(&adev->uvd.idle_work, amdgpu_uvd_idle_work_handler);
 147
 148        switch (adev->asic_type) {
 149#ifdef CONFIG_DRM_AMDGPU_SI
 150        case CHIP_TAHITI:
 151                fw_name = FIRMWARE_TAHITI;
 152                break;
 153        case CHIP_VERDE:
 154                fw_name = FIRMWARE_VERDE;
 155                break;
 156        case CHIP_PITCAIRN:
 157                fw_name = FIRMWARE_PITCAIRN;
 158                break;
 159        case CHIP_OLAND:
 160                fw_name = FIRMWARE_OLAND;
 161                break;
 162#endif
 163#ifdef CONFIG_DRM_AMDGPU_CIK
 164        case CHIP_BONAIRE:
 165                fw_name = FIRMWARE_BONAIRE;
 166                break;
 167        case CHIP_KABINI:
 168                fw_name = FIRMWARE_KABINI;
 169                break;
 170        case CHIP_KAVERI:
 171                fw_name = FIRMWARE_KAVERI;
 172                break;
 173        case CHIP_HAWAII:
 174                fw_name = FIRMWARE_HAWAII;
 175                break;
 176        case CHIP_MULLINS:
 177                fw_name = FIRMWARE_MULLINS;
 178                break;
 179#endif
 180        case CHIP_TONGA:
 181                fw_name = FIRMWARE_TONGA;
 182                break;
 183        case CHIP_FIJI:
 184                fw_name = FIRMWARE_FIJI;
 185                break;
 186        case CHIP_CARRIZO:
 187                fw_name = FIRMWARE_CARRIZO;
 188                break;
 189        case CHIP_STONEY:
 190                fw_name = FIRMWARE_STONEY;
 191                break;
 192        case CHIP_POLARIS10:
 193                fw_name = FIRMWARE_POLARIS10;
 194                break;
 195        case CHIP_POLARIS11:
 196                fw_name = FIRMWARE_POLARIS11;
 197                break;
 198        case CHIP_POLARIS12:
 199                fw_name = FIRMWARE_POLARIS12;
 200                break;
 201        case CHIP_VEGA10:
 202                fw_name = FIRMWARE_VEGA10;
 203                break;
 204        case CHIP_VEGA12:
 205                fw_name = FIRMWARE_VEGA12;
 206                break;
 207        case CHIP_VEGAM:
 208                fw_name = FIRMWARE_VEGAM;
 209                break;
 210        case CHIP_VEGA20:
 211                fw_name = FIRMWARE_VEGA20;
 212                break;
 213        default:
 214                return -EINVAL;
 215        }
 216
 217        r = request_firmware(&adev->uvd.fw, fw_name, adev->dev);
 218        if (r) {
 219                dev_err(adev->dev, "amdgpu_uvd: Can't load firmware \"%s\"\n",
 220                        fw_name);
 221                return r;
 222        }
 223
 224        r = amdgpu_ucode_validate(adev->uvd.fw);
 225        if (r) {
 226                dev_err(adev->dev, "amdgpu_uvd: Can't validate firmware \"%s\"\n",
 227                        fw_name);
 228                release_firmware(adev->uvd.fw);
 229                adev->uvd.fw = NULL;
 230                return r;
 231        }
 232
 233        /* Set the default UVD handles that the firmware can handle */
 234        adev->uvd.max_handles = AMDGPU_DEFAULT_UVD_HANDLES;
 235
 236        hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
 237        family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
 238
 239        if (adev->asic_type < CHIP_VEGA20) {
 240                unsigned version_major, version_minor;
 241
 242                version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
 243                version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
 244                DRM_INFO("Found UVD firmware Version: %u.%u Family ID: %u\n",
 245                        version_major, version_minor, family_id);
 246
 247                /*
 248                 * Limit the number of UVD handles depending on microcode major
 249                 * and minor versions. The firmware version which has 40 UVD
 250                 * instances support is 1.80. So all subsequent versions should
 251                 * also have the same support.
 252                 */
 253                if ((version_major > 0x01) ||
 254                    ((version_major == 0x01) && (version_minor >= 0x50)))
 255                        adev->uvd.max_handles = AMDGPU_MAX_UVD_HANDLES;
 256
 257                adev->uvd.fw_version = ((version_major << 24) | (version_minor << 16) |
 258                                        (family_id << 8));
 259
 260                if ((adev->asic_type == CHIP_POLARIS10 ||
 261                     adev->asic_type == CHIP_POLARIS11) &&
 262                    (adev->uvd.fw_version < FW_1_66_16))
 263                        DRM_ERROR("POLARIS10/11 UVD firmware version %u.%u is too old.\n",
 264                                  version_major, version_minor);
 265        } else {
 266                unsigned int enc_major, enc_minor, dec_minor;
 267
 268                dec_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
 269                enc_minor = (le32_to_cpu(hdr->ucode_version) >> 24) & 0x3f;
 270                enc_major = (le32_to_cpu(hdr->ucode_version) >> 30) & 0x3;
 271                DRM_INFO("Found UVD firmware ENC: %u.%u DEC: .%u Family ID: %u\n",
 272                        enc_major, enc_minor, dec_minor, family_id);
 273
 274                adev->uvd.max_handles = AMDGPU_MAX_UVD_HANDLES;
 275
 276                adev->uvd.fw_version = le32_to_cpu(hdr->ucode_version);
 277        }
 278
 279        bo_size = AMDGPU_UVD_STACK_SIZE + AMDGPU_UVD_HEAP_SIZE
 280                  +  AMDGPU_UVD_SESSION_SIZE * adev->uvd.max_handles;
 281        if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
 282                bo_size += AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
 283
 284        for (j = 0; j < adev->uvd.num_uvd_inst; j++) {
 285                if (adev->uvd.harvest_config & (1 << j))
 286                        continue;
 287                r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
 288                                            AMDGPU_GEM_DOMAIN_VRAM, &adev->uvd.inst[j].vcpu_bo,
 289                                            &adev->uvd.inst[j].gpu_addr, &adev->uvd.inst[j].cpu_addr);
 290                if (r) {
 291                        dev_err(adev->dev, "(%d) failed to allocate UVD bo\n", r);
 292                        return r;
 293                }
 294        }
 295
 296        for (i = 0; i < adev->uvd.max_handles; ++i) {
 297                atomic_set(&adev->uvd.handles[i], 0);
 298                adev->uvd.filp[i] = NULL;
 299        }
 300
 301        /* from uvd v5.0 HW addressing capacity increased to 64 bits */
 302        if (!amdgpu_device_ip_block_version_cmp(adev, AMD_IP_BLOCK_TYPE_UVD, 5, 0))
 303                adev->uvd.address_64_bit = true;
 304
 305        switch (adev->asic_type) {
 306        case CHIP_TONGA:
 307                adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_65_10;
 308                break;
 309        case CHIP_CARRIZO:
 310                adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_87_11;
 311                break;
 312        case CHIP_FIJI:
 313                adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_87_12;
 314                break;
 315        case CHIP_STONEY:
 316                adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_37_15;
 317                break;
 318        default:
 319                adev->uvd.use_ctx_buf = adev->asic_type >= CHIP_POLARIS10;
 320        }
 321
 322        return 0;
 323}
 324
 325int amdgpu_uvd_sw_fini(struct amdgpu_device *adev)
 326{
 327        int i, j;
 328
 329        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, idx;
 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                if (drm_dev_enter(&adev->ddev, &idx)) {
 407                        /* re-write 0 since err_event_athub will corrupt VCPU buffer */
 408                        if (in_ras_intr)
 409                                memset(adev->uvd.inst[j].saved_bo, 0, size);
 410                        else
 411                                memcpy_fromio(adev->uvd.inst[j].saved_bo, ptr, size);
 412
 413                        drm_dev_exit(idx);
 414                }
 415        }
 416
 417        if (in_ras_intr)
 418                DRM_WARN("UVD VCPU state may lost due to RAS ERREVENT_ATHUB_INTERRUPT\n");
 419
 420        return 0;
 421}
 422
 423int amdgpu_uvd_resume(struct amdgpu_device *adev)
 424{
 425        unsigned size;
 426        void *ptr;
 427        int i, idx;
 428
 429        for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
 430                if (adev->uvd.harvest_config & (1 << i))
 431                        continue;
 432                if (adev->uvd.inst[i].vcpu_bo == NULL)
 433                        return -EINVAL;
 434
 435                size = amdgpu_bo_size(adev->uvd.inst[i].vcpu_bo);
 436                ptr = adev->uvd.inst[i].cpu_addr;
 437
 438                if (adev->uvd.inst[i].saved_bo != NULL) {
 439                        if (drm_dev_enter(&adev->ddev, &idx)) {
 440                                memcpy_toio(ptr, adev->uvd.inst[i].saved_bo, size);
 441                                drm_dev_exit(idx);
 442                        }
 443                        kvfree(adev->uvd.inst[i].saved_bo);
 444                        adev->uvd.inst[i].saved_bo = NULL;
 445                } else {
 446                        const struct common_firmware_header *hdr;
 447                        unsigned offset;
 448
 449                        hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
 450                        if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
 451                                offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
 452                                if (drm_dev_enter(&adev->ddev, &idx)) {
 453                                        memcpy_toio(adev->uvd.inst[i].cpu_addr, adev->uvd.fw->data + offset,
 454                                                    le32_to_cpu(hdr->ucode_size_bytes));
 455                                        drm_dev_exit(idx);
 456                                }
 457                                size -= le32_to_cpu(hdr->ucode_size_bytes);
 458                                ptr += le32_to_cpu(hdr->ucode_size_bytes);
 459                        }
 460                        memset_io(ptr, 0, size);
 461                        /* to restore uvd fence seq */
 462                        amdgpu_fence_driver_force_completion(&adev->uvd.inst[i].ring);
 463                }
 464        }
 465        return 0;
 466}
 467
 468void amdgpu_uvd_free_handles(struct amdgpu_device *adev, struct drm_file *filp)
 469{
 470        struct amdgpu_ring *ring = &adev->uvd.inst[0].ring;
 471        int i, r;
 472
 473        for (i = 0; i < adev->uvd.max_handles; ++i) {
 474                uint32_t handle = atomic_read(&adev->uvd.handles[i]);
 475
 476                if (handle != 0 && adev->uvd.filp[i] == filp) {
 477                        struct dma_fence *fence;
 478
 479                        r = amdgpu_uvd_get_destroy_msg(ring, handle, false,
 480                                                       &fence);
 481                        if (r) {
 482                                DRM_ERROR("Error destroying UVD %d!\n", r);
 483                                continue;
 484                        }
 485
 486                        dma_fence_wait(fence, false);
 487                        dma_fence_put(fence);
 488
 489                        adev->uvd.filp[i] = NULL;
 490                        atomic_set(&adev->uvd.handles[i], 0);
 491                }
 492        }
 493}
 494
 495static void amdgpu_uvd_force_into_uvd_segment(struct amdgpu_bo *abo)
 496{
 497        int i;
 498        for (i = 0; i < abo->placement.num_placement; ++i) {
 499                abo->placements[i].fpfn = 0 >> PAGE_SHIFT;
 500                abo->placements[i].lpfn = (256 * 1024 * 1024) >> PAGE_SHIFT;
 501        }
 502}
 503
 504static u64 amdgpu_uvd_get_addr_from_ctx(struct amdgpu_uvd_cs_ctx *ctx)
 505{
 506        uint32_t lo, hi;
 507        uint64_t addr;
 508
 509        lo = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->data0);
 510        hi = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->data1);
 511        addr = ((uint64_t)lo) | (((uint64_t)hi) << 32);
 512
 513        return addr;
 514}
 515
 516/**
 517 * amdgpu_uvd_cs_pass1 - first parsing round
 518 *
 519 * @ctx: UVD parser context
 520 *
 521 * Make sure UVD message and feedback buffers are in VRAM and
 522 * nobody is violating an 256MB boundary.
 523 */
 524static int amdgpu_uvd_cs_pass1(struct amdgpu_uvd_cs_ctx *ctx)
 525{
 526        struct ttm_operation_ctx tctx = { false, false };
 527        struct amdgpu_bo_va_mapping *mapping;
 528        struct amdgpu_bo *bo;
 529        uint32_t cmd;
 530        uint64_t addr = amdgpu_uvd_get_addr_from_ctx(ctx);
 531        int r = 0;
 532
 533        r = amdgpu_cs_find_mapping(ctx->parser, addr, &bo, &mapping);
 534        if (r) {
 535                DRM_ERROR("Can't find BO for addr 0x%08Lx\n", addr);
 536                return r;
 537        }
 538
 539        if (!ctx->parser->adev->uvd.address_64_bit) {
 540                /* check if it's a message or feedback command */
 541                cmd = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->idx) >> 1;
 542                if (cmd == 0x0 || cmd == 0x3) {
 543                        /* yes, force it into VRAM */
 544                        uint32_t domain = AMDGPU_GEM_DOMAIN_VRAM;
 545                        amdgpu_bo_placement_from_domain(bo, domain);
 546                }
 547                amdgpu_uvd_force_into_uvd_segment(bo);
 548
 549                r = ttm_bo_validate(&bo->tbo, &bo->placement, &tctx);
 550        }
 551
 552        return r;
 553}
 554
 555/**
 556 * amdgpu_uvd_cs_msg_decode - handle UVD decode message
 557 *
 558 * @adev: amdgpu_device pointer
 559 * @msg: pointer to message structure
 560 * @buf_sizes: placeholder to put the different buffer lengths
 561 *
 562 * Peek into the decode message and calculate the necessary buffer sizes.
 563 */
 564static int amdgpu_uvd_cs_msg_decode(struct amdgpu_device *adev, uint32_t *msg,
 565        unsigned buf_sizes[])
 566{
 567        unsigned stream_type = msg[4];
 568        unsigned width = msg[6];
 569        unsigned height = msg[7];
 570        unsigned dpb_size = msg[9];
 571        unsigned pitch = msg[28];
 572        unsigned level = msg[57];
 573
 574        unsigned width_in_mb = width / 16;
 575        unsigned height_in_mb = ALIGN(height / 16, 2);
 576        unsigned fs_in_mb = width_in_mb * height_in_mb;
 577
 578        unsigned image_size, tmp, min_dpb_size, num_dpb_buffer;
 579        unsigned min_ctx_size = ~0;
 580
 581        image_size = width * height;
 582        image_size += image_size / 2;
 583        image_size = ALIGN(image_size, 1024);
 584
 585        switch (stream_type) {
 586        case 0: /* H264 */
 587                switch(level) {
 588                case 30:
 589                        num_dpb_buffer = 8100 / fs_in_mb;
 590                        break;
 591                case 31:
 592                        num_dpb_buffer = 18000 / fs_in_mb;
 593                        break;
 594                case 32:
 595                        num_dpb_buffer = 20480 / fs_in_mb;
 596                        break;
 597                case 41:
 598                        num_dpb_buffer = 32768 / fs_in_mb;
 599                        break;
 600                case 42:
 601                        num_dpb_buffer = 34816 / fs_in_mb;
 602                        break;
 603                case 50:
 604                        num_dpb_buffer = 110400 / fs_in_mb;
 605                        break;
 606                case 51:
 607                        num_dpb_buffer = 184320 / fs_in_mb;
 608                        break;
 609                default:
 610                        num_dpb_buffer = 184320 / fs_in_mb;
 611                        break;
 612                }
 613                num_dpb_buffer++;
 614                if (num_dpb_buffer > 17)
 615                        num_dpb_buffer = 17;
 616
 617                /* reference picture buffer */
 618                min_dpb_size = image_size * num_dpb_buffer;
 619
 620                /* macroblock context buffer */
 621                min_dpb_size += width_in_mb * height_in_mb * num_dpb_buffer * 192;
 622
 623                /* IT surface buffer */
 624                min_dpb_size += width_in_mb * height_in_mb * 32;
 625                break;
 626
 627        case 1: /* VC1 */
 628
 629                /* reference picture buffer */
 630                min_dpb_size = image_size * 3;
 631
 632                /* CONTEXT_BUFFER */
 633                min_dpb_size += width_in_mb * height_in_mb * 128;
 634
 635                /* IT surface buffer */
 636                min_dpb_size += width_in_mb * 64;
 637
 638                /* DB surface buffer */
 639                min_dpb_size += width_in_mb * 128;
 640
 641                /* BP */
 642                tmp = max(width_in_mb, height_in_mb);
 643                min_dpb_size += ALIGN(tmp * 7 * 16, 64);
 644                break;
 645
 646        case 3: /* MPEG2 */
 647
 648                /* reference picture buffer */
 649                min_dpb_size = image_size * 3;
 650                break;
 651
 652        case 4: /* MPEG4 */
 653
 654                /* reference picture buffer */
 655                min_dpb_size = image_size * 3;
 656
 657                /* CM */
 658                min_dpb_size += width_in_mb * height_in_mb * 64;
 659
 660                /* IT surface buffer */
 661                min_dpb_size += ALIGN(width_in_mb * height_in_mb * 32, 64);
 662                break;
 663
 664        case 7: /* H264 Perf */
 665                switch(level) {
 666                case 30:
 667                        num_dpb_buffer = 8100 / fs_in_mb;
 668                        break;
 669                case 31:
 670                        num_dpb_buffer = 18000 / fs_in_mb;
 671                        break;
 672                case 32:
 673                        num_dpb_buffer = 20480 / fs_in_mb;
 674                        break;
 675                case 41:
 676                        num_dpb_buffer = 32768 / fs_in_mb;
 677                        break;
 678                case 42:
 679                        num_dpb_buffer = 34816 / fs_in_mb;
 680                        break;
 681                case 50:
 682                        num_dpb_buffer = 110400 / fs_in_mb;
 683                        break;
 684                case 51:
 685                        num_dpb_buffer = 184320 / fs_in_mb;
 686                        break;
 687                default:
 688                        num_dpb_buffer = 184320 / fs_in_mb;
 689                        break;
 690                }
 691                num_dpb_buffer++;
 692                if (num_dpb_buffer > 17)
 693                        num_dpb_buffer = 17;
 694
 695                /* reference picture buffer */
 696                min_dpb_size = image_size * num_dpb_buffer;
 697
 698                if (!adev->uvd.use_ctx_buf){
 699                        /* macroblock context buffer */
 700                        min_dpb_size +=
 701                                width_in_mb * height_in_mb * num_dpb_buffer * 192;
 702
 703                        /* IT surface buffer */
 704                        min_dpb_size += width_in_mb * height_in_mb * 32;
 705                } else {
 706                        /* macroblock context buffer */
 707                        min_ctx_size =
 708                                width_in_mb * height_in_mb * num_dpb_buffer * 192;
 709                }
 710                break;
 711
 712        case 8: /* MJPEG */
 713                min_dpb_size = 0;
 714                break;
 715
 716        case 16: /* H265 */
 717                image_size = (ALIGN(width, 16) * ALIGN(height, 16) * 3) / 2;
 718                image_size = ALIGN(image_size, 256);
 719
 720                num_dpb_buffer = (le32_to_cpu(msg[59]) & 0xff) + 2;
 721                min_dpb_size = image_size * num_dpb_buffer;
 722                min_ctx_size = ((width + 255) / 16) * ((height + 255) / 16)
 723                                           * 16 * num_dpb_buffer + 52 * 1024;
 724                break;
 725
 726        default:
 727                DRM_ERROR("UVD codec not handled %d!\n", stream_type);
 728                return -EINVAL;
 729        }
 730
 731        if (width > pitch) {
 732                DRM_ERROR("Invalid UVD decoding target pitch!\n");
 733                return -EINVAL;
 734        }
 735
 736        if (dpb_size < min_dpb_size) {
 737                DRM_ERROR("Invalid dpb_size in UVD message (%d / %d)!\n",
 738                          dpb_size, min_dpb_size);
 739                return -EINVAL;
 740        }
 741
 742        buf_sizes[0x1] = dpb_size;
 743        buf_sizes[0x2] = image_size;
 744        buf_sizes[0x4] = min_ctx_size;
 745        /* store image width to adjust nb memory pstate */
 746        adev->uvd.decode_image_width = width;
 747        return 0;
 748}
 749
 750/**
 751 * amdgpu_uvd_cs_msg - handle UVD message
 752 *
 753 * @ctx: UVD parser context
 754 * @bo: buffer object containing the message
 755 * @offset: offset into the buffer object
 756 *
 757 * Peek into the UVD message and extract the session id.
 758 * Make sure that we don't open up to many sessions.
 759 */
 760static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
 761                             struct amdgpu_bo *bo, unsigned offset)
 762{
 763        struct amdgpu_device *adev = ctx->parser->adev;
 764        int32_t *msg, msg_type, handle;
 765        void *ptr;
 766        long r;
 767        int i;
 768
 769        if (offset & 0x3F) {
 770                DRM_ERROR("UVD messages must be 64 byte aligned!\n");
 771                return -EINVAL;
 772        }
 773
 774        r = amdgpu_bo_kmap(bo, &ptr);
 775        if (r) {
 776                DRM_ERROR("Failed mapping the UVD) message (%ld)!\n", r);
 777                return r;
 778        }
 779
 780        msg = ptr + offset;
 781
 782        msg_type = msg[1];
 783        handle = msg[2];
 784
 785        if (handle == 0) {
 786                DRM_ERROR("Invalid UVD handle!\n");
 787                return -EINVAL;
 788        }
 789
 790        switch (msg_type) {
 791        case 0:
 792                /* it's a create msg, calc image size (width * height) */
 793                amdgpu_bo_kunmap(bo);
 794
 795                /* try to alloc a new handle */
 796                for (i = 0; i < adev->uvd.max_handles; ++i) {
 797                        if (atomic_read(&adev->uvd.handles[i]) == handle) {
 798                                DRM_ERROR(")Handle 0x%x already in use!\n",
 799                                          handle);
 800                                return -EINVAL;
 801                        }
 802
 803                        if (!atomic_cmpxchg(&adev->uvd.handles[i], 0, handle)) {
 804                                adev->uvd.filp[i] = ctx->parser->filp;
 805                                return 0;
 806                        }
 807                }
 808
 809                DRM_ERROR("No more free UVD handles!\n");
 810                return -ENOSPC;
 811
 812        case 1:
 813                /* it's a decode msg, calc buffer sizes */
 814                r = amdgpu_uvd_cs_msg_decode(adev, msg, ctx->buf_sizes);
 815                amdgpu_bo_kunmap(bo);
 816                if (r)
 817                        return r;
 818
 819                /* validate the handle */
 820                for (i = 0; i < adev->uvd.max_handles; ++i) {
 821                        if (atomic_read(&adev->uvd.handles[i]) == handle) {
 822                                if (adev->uvd.filp[i] != ctx->parser->filp) {
 823                                        DRM_ERROR("UVD handle collision detected!\n");
 824                                        return -EINVAL;
 825                                }
 826                                return 0;
 827                        }
 828                }
 829
 830                DRM_ERROR("Invalid UVD handle 0x%x!\n", handle);
 831                return -ENOENT;
 832
 833        case 2:
 834                /* it's a destroy msg, free the handle */
 835                for (i = 0; i < adev->uvd.max_handles; ++i)
 836                        atomic_cmpxchg(&adev->uvd.handles[i], handle, 0);
 837                amdgpu_bo_kunmap(bo);
 838                return 0;
 839
 840        default:
 841                DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
 842        }
 843
 844        return -EINVAL;
 845}
 846
 847/**
 848 * amdgpu_uvd_cs_pass2 - second parsing round
 849 *
 850 * @ctx: UVD parser context
 851 *
 852 * Patch buffer addresses, make sure buffer sizes are correct.
 853 */
 854static int amdgpu_uvd_cs_pass2(struct amdgpu_uvd_cs_ctx *ctx)
 855{
 856        struct amdgpu_bo_va_mapping *mapping;
 857        struct amdgpu_bo *bo;
 858        uint32_t cmd;
 859        uint64_t start, end;
 860        uint64_t addr = amdgpu_uvd_get_addr_from_ctx(ctx);
 861        int r;
 862
 863        r = amdgpu_cs_find_mapping(ctx->parser, addr, &bo, &mapping);
 864        if (r) {
 865                DRM_ERROR("Can't find BO for addr 0x%08Lx\n", addr);
 866                return r;
 867        }
 868
 869        start = amdgpu_bo_gpu_offset(bo);
 870
 871        end = (mapping->last + 1 - mapping->start);
 872        end = end * AMDGPU_GPU_PAGE_SIZE + start;
 873
 874        addr -= mapping->start * AMDGPU_GPU_PAGE_SIZE;
 875        start += addr;
 876
 877        amdgpu_set_ib_value(ctx->parser, ctx->ib_idx, ctx->data0,
 878                            lower_32_bits(start));
 879        amdgpu_set_ib_value(ctx->parser, ctx->ib_idx, ctx->data1,
 880                            upper_32_bits(start));
 881
 882        cmd = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->idx) >> 1;
 883        if (cmd < 0x4) {
 884                if ((end - start) < ctx->buf_sizes[cmd]) {
 885                        DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd,
 886                                  (unsigned)(end - start),
 887                                  ctx->buf_sizes[cmd]);
 888                        return -EINVAL;
 889                }
 890
 891        } else if (cmd == 0x206) {
 892                if ((end - start) < ctx->buf_sizes[4]) {
 893                        DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd,
 894                                          (unsigned)(end - start),
 895                                          ctx->buf_sizes[4]);
 896                        return -EINVAL;
 897                }
 898        } else if ((cmd != 0x100) && (cmd != 0x204)) {
 899                DRM_ERROR("invalid UVD command %X!\n", cmd);
 900                return -EINVAL;
 901        }
 902
 903        if (!ctx->parser->adev->uvd.address_64_bit) {
 904                if ((start >> 28) != ((end - 1) >> 28)) {
 905                        DRM_ERROR("reloc %LX-%LX crossing 256MB boundary!\n",
 906                                  start, end);
 907                        return -EINVAL;
 908                }
 909
 910                if ((cmd == 0 || cmd == 0x3) &&
 911                    (start >> 28) != (ctx->parser->adev->uvd.inst->gpu_addr >> 28)) {
 912                        DRM_ERROR("msg/fb buffer %LX-%LX out of 256MB segment!\n",
 913                                  start, end);
 914                        return -EINVAL;
 915                }
 916        }
 917
 918        if (cmd == 0) {
 919                ctx->has_msg_cmd = true;
 920                r = amdgpu_uvd_cs_msg(ctx, bo, addr);
 921                if (r)
 922                        return r;
 923        } else if (!ctx->has_msg_cmd) {
 924                DRM_ERROR("Message needed before other commands are send!\n");
 925                return -EINVAL;
 926        }
 927
 928        return 0;
 929}
 930
 931/**
 932 * amdgpu_uvd_cs_reg - parse register writes
 933 *
 934 * @ctx: UVD parser context
 935 * @cb: callback function
 936 *
 937 * Parse the register writes, call cb on each complete command.
 938 */
 939static int amdgpu_uvd_cs_reg(struct amdgpu_uvd_cs_ctx *ctx,
 940                             int (*cb)(struct amdgpu_uvd_cs_ctx *ctx))
 941{
 942        struct amdgpu_ib *ib = &ctx->parser->job->ibs[ctx->ib_idx];
 943        int i, r;
 944
 945        ctx->idx++;
 946        for (i = 0; i <= ctx->count; ++i) {
 947                unsigned reg = ctx->reg + i;
 948
 949                if (ctx->idx >= ib->length_dw) {
 950                        DRM_ERROR("Register command after end of CS!\n");
 951                        return -EINVAL;
 952                }
 953
 954                switch (reg) {
 955                case mmUVD_GPCOM_VCPU_DATA0:
 956                        ctx->data0 = ctx->idx;
 957                        break;
 958                case mmUVD_GPCOM_VCPU_DATA1:
 959                        ctx->data1 = ctx->idx;
 960                        break;
 961                case mmUVD_GPCOM_VCPU_CMD:
 962                        r = cb(ctx);
 963                        if (r)
 964                                return r;
 965                        break;
 966                case mmUVD_ENGINE_CNTL:
 967                case mmUVD_NO_OP:
 968                        break;
 969                default:
 970                        DRM_ERROR("Invalid reg 0x%X!\n", reg);
 971                        return -EINVAL;
 972                }
 973                ctx->idx++;
 974        }
 975        return 0;
 976}
 977
 978/**
 979 * amdgpu_uvd_cs_packets - parse UVD packets
 980 *
 981 * @ctx: UVD parser context
 982 * @cb: callback function
 983 *
 984 * Parse the command stream packets.
 985 */
 986static int amdgpu_uvd_cs_packets(struct amdgpu_uvd_cs_ctx *ctx,
 987                                 int (*cb)(struct amdgpu_uvd_cs_ctx *ctx))
 988{
 989        struct amdgpu_ib *ib = &ctx->parser->job->ibs[ctx->ib_idx];
 990        int r;
 991
 992        for (ctx->idx = 0 ; ctx->idx < ib->length_dw; ) {
 993                uint32_t cmd = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->idx);
 994                unsigned type = CP_PACKET_GET_TYPE(cmd);
 995                switch (type) {
 996                case PACKET_TYPE0:
 997                        ctx->reg = CP_PACKET0_GET_REG(cmd);
 998                        ctx->count = CP_PACKET_GET_COUNT(cmd);
 999                        r = amdgpu_uvd_cs_reg(ctx, cb);
1000                        if (r)
1001                                return r;
1002                        break;
1003                case PACKET_TYPE2:
1004                        ++ctx->idx;
1005                        break;
1006                default:
1007                        DRM_ERROR("Unknown packet type %d !\n", type);
1008                        return -EINVAL;
1009                }
1010        }
1011        return 0;
1012}
1013
1014/**
1015 * amdgpu_uvd_ring_parse_cs - UVD command submission parser
1016 *
1017 * @parser: Command submission parser context
1018 * @ib_idx: Which indirect buffer to use
1019 *
1020 * Parse the command stream, patch in addresses as necessary.
1021 */
1022int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser, uint32_t ib_idx)
1023{
1024        struct amdgpu_uvd_cs_ctx ctx = {};
1025        unsigned buf_sizes[] = {
1026                [0x00000000]    =       2048,
1027                [0x00000001]    =       0xFFFFFFFF,
1028                [0x00000002]    =       0xFFFFFFFF,
1029                [0x00000003]    =       2048,
1030                [0x00000004]    =       0xFFFFFFFF,
1031        };
1032        struct amdgpu_ib *ib = &parser->job->ibs[ib_idx];
1033        int r;
1034
1035        parser->job->vm = NULL;
1036        ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo);
1037
1038        if (ib->length_dw % 16) {
1039                DRM_ERROR("UVD IB length (%d) not 16 dwords aligned!\n",
1040                          ib->length_dw);
1041                return -EINVAL;
1042        }
1043
1044        ctx.parser = parser;
1045        ctx.buf_sizes = buf_sizes;
1046        ctx.ib_idx = ib_idx;
1047
1048        /* first round only required on chips without UVD 64 bit address support */
1049        if (!parser->adev->uvd.address_64_bit) {
1050                /* first round, make sure the buffers are actually in the UVD segment */
1051                r = amdgpu_uvd_cs_packets(&ctx, amdgpu_uvd_cs_pass1);
1052                if (r)
1053                        return r;
1054        }
1055
1056        /* second round, patch buffer addresses into the command stream */
1057        r = amdgpu_uvd_cs_packets(&ctx, amdgpu_uvd_cs_pass2);
1058        if (r)
1059                return r;
1060
1061        if (!ctx.has_msg_cmd) {
1062                DRM_ERROR("UVD-IBs need a msg command!\n");
1063                return -EINVAL;
1064        }
1065
1066        return 0;
1067}
1068
1069static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo,
1070                               bool direct, struct dma_fence **fence)
1071{
1072        struct amdgpu_device *adev = ring->adev;
1073        struct dma_fence *f = NULL;
1074        struct amdgpu_job *job;
1075        struct amdgpu_ib *ib;
1076        uint32_t data[4];
1077        uint64_t addr;
1078        long r;
1079        int i;
1080        unsigned offset_idx = 0;
1081        unsigned offset[3] = { UVD_BASE_SI, 0, 0 };
1082
1083        amdgpu_bo_kunmap(bo);
1084        amdgpu_bo_unpin(bo);
1085
1086        if (!ring->adev->uvd.address_64_bit) {
1087                struct ttm_operation_ctx ctx = { true, false };
1088
1089                amdgpu_bo_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_VRAM);
1090                amdgpu_uvd_force_into_uvd_segment(bo);
1091                r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
1092                if (r)
1093                        goto err;
1094        }
1095
1096        r = amdgpu_job_alloc_with_ib(adev, 64, direct ? AMDGPU_IB_POOL_DIRECT :
1097                                     AMDGPU_IB_POOL_DELAYED, &job);
1098        if (r)
1099                goto err;
1100
1101        if (adev->asic_type >= CHIP_VEGA10) {
1102                offset_idx = 1 + ring->me;
1103                offset[1] = adev->reg_offset[UVD_HWIP][0][1];
1104                offset[2] = adev->reg_offset[UVD_HWIP][1][1];
1105        }
1106
1107        data[0] = PACKET0(offset[offset_idx] + UVD_GPCOM_VCPU_DATA0, 0);
1108        data[1] = PACKET0(offset[offset_idx] + UVD_GPCOM_VCPU_DATA1, 0);
1109        data[2] = PACKET0(offset[offset_idx] + UVD_GPCOM_VCPU_CMD, 0);
1110        data[3] = PACKET0(offset[offset_idx] + UVD_NO_OP, 0);
1111
1112        ib = &job->ibs[0];
1113        addr = amdgpu_bo_gpu_offset(bo);
1114        ib->ptr[0] = data[0];
1115        ib->ptr[1] = addr;
1116        ib->ptr[2] = data[1];
1117        ib->ptr[3] = addr >> 32;
1118        ib->ptr[4] = data[2];
1119        ib->ptr[5] = 0;
1120        for (i = 6; i < 16; i += 2) {
1121                ib->ptr[i] = data[3];
1122                ib->ptr[i+1] = 0;
1123        }
1124        ib->length_dw = 16;
1125
1126        if (direct) {
1127                r = dma_resv_wait_timeout(bo->tbo.base.resv, true, false,
1128                                          msecs_to_jiffies(10));
1129                if (r == 0)
1130                        r = -ETIMEDOUT;
1131                if (r < 0)
1132                        goto err_free;
1133
1134                r = amdgpu_job_submit_direct(job, ring, &f);
1135                if (r)
1136                        goto err_free;
1137        } else {
1138                r = amdgpu_sync_resv(adev, &job->sync, bo->tbo.base.resv,
1139                                     AMDGPU_SYNC_ALWAYS,
1140                                     AMDGPU_FENCE_OWNER_UNDEFINED);
1141                if (r)
1142                        goto err_free;
1143
1144                r = amdgpu_job_submit(job, &adev->uvd.entity,
1145                                      AMDGPU_FENCE_OWNER_UNDEFINED, &f);
1146                if (r)
1147                        goto err_free;
1148        }
1149
1150        amdgpu_bo_fence(bo, f, false);
1151        amdgpu_bo_unreserve(bo);
1152        amdgpu_bo_unref(&bo);
1153
1154        if (fence)
1155                *fence = dma_fence_get(f);
1156        dma_fence_put(f);
1157
1158        return 0;
1159
1160err_free:
1161        amdgpu_job_free(job);
1162
1163err:
1164        amdgpu_bo_unreserve(bo);
1165        amdgpu_bo_unref(&bo);
1166        return r;
1167}
1168
1169/* multiple fence commands without any stream commands in between can
1170   crash the vcpu so just try to emmit a dummy create/destroy msg to
1171   avoid this */
1172int amdgpu_uvd_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
1173                              struct dma_fence **fence)
1174{
1175        struct amdgpu_device *adev = ring->adev;
1176        struct amdgpu_bo *bo = NULL;
1177        uint32_t *msg;
1178        int r, i;
1179
1180        r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
1181                                      AMDGPU_GEM_DOMAIN_GTT,
1182                                      &bo, NULL, (void **)&msg);
1183        if (r)
1184                return r;
1185
1186        /* stitch together an UVD create msg */
1187        msg[0] = cpu_to_le32(0x00000de4);
1188        msg[1] = cpu_to_le32(0x00000000);
1189        msg[2] = cpu_to_le32(handle);
1190        msg[3] = cpu_to_le32(0x00000000);
1191        msg[4] = cpu_to_le32(0x00000000);
1192        msg[5] = cpu_to_le32(0x00000000);
1193        msg[6] = cpu_to_le32(0x00000000);
1194        msg[7] = cpu_to_le32(0x00000780);
1195        msg[8] = cpu_to_le32(0x00000440);
1196        msg[9] = cpu_to_le32(0x00000000);
1197        msg[10] = cpu_to_le32(0x01b37000);
1198        for (i = 11; i < 1024; ++i)
1199                msg[i] = cpu_to_le32(0x0);
1200
1201        return amdgpu_uvd_send_msg(ring, bo, true, fence);
1202}
1203
1204int amdgpu_uvd_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
1205                               bool direct, struct dma_fence **fence)
1206{
1207        struct amdgpu_device *adev = ring->adev;
1208        struct amdgpu_bo *bo = NULL;
1209        uint32_t *msg;
1210        int r, i;
1211
1212        r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
1213                                      AMDGPU_GEM_DOMAIN_GTT,
1214                                      &bo, NULL, (void **)&msg);
1215        if (r)
1216                return r;
1217
1218        /* stitch together an UVD destroy msg */
1219        msg[0] = cpu_to_le32(0x00000de4);
1220        msg[1] = cpu_to_le32(0x00000002);
1221        msg[2] = cpu_to_le32(handle);
1222        msg[3] = cpu_to_le32(0x00000000);
1223        for (i = 4; i < 1024; ++i)
1224                msg[i] = cpu_to_le32(0x0);
1225
1226        return amdgpu_uvd_send_msg(ring, bo, direct, fence);
1227}
1228
1229static void amdgpu_uvd_idle_work_handler(struct work_struct *work)
1230{
1231        struct amdgpu_device *adev =
1232                container_of(work, struct amdgpu_device, uvd.idle_work.work);
1233        unsigned fences = 0, i, j;
1234
1235        for (i = 0; i < adev->uvd.num_uvd_inst; ++i) {
1236                if (adev->uvd.harvest_config & (1 << i))
1237                        continue;
1238                fences += amdgpu_fence_count_emitted(&adev->uvd.inst[i].ring);
1239                for (j = 0; j < adev->uvd.num_enc_rings; ++j) {
1240                        fences += amdgpu_fence_count_emitted(&adev->uvd.inst[i].ring_enc[j]);
1241                }
1242        }
1243
1244        if (fences == 0) {
1245                if (adev->pm.dpm_enabled) {
1246                        amdgpu_dpm_enable_uvd(adev, false);
1247                } else {
1248                        amdgpu_asic_set_uvd_clocks(adev, 0, 0);
1249                        /* shutdown the UVD block */
1250                        amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1251                                                               AMD_PG_STATE_GATE);
1252                        amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1253                                                               AMD_CG_STATE_GATE);
1254                }
1255        } else {
1256                schedule_delayed_work(&adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
1257        }
1258}
1259
1260void amdgpu_uvd_ring_begin_use(struct amdgpu_ring *ring)
1261{
1262        struct amdgpu_device *adev = ring->adev;
1263        bool set_clocks;
1264
1265        if (amdgpu_sriov_vf(adev))
1266                return;
1267
1268        set_clocks = !cancel_delayed_work_sync(&adev->uvd.idle_work);
1269        if (set_clocks) {
1270                if (adev->pm.dpm_enabled) {
1271                        amdgpu_dpm_enable_uvd(adev, true);
1272                } else {
1273                        amdgpu_asic_set_uvd_clocks(adev, 53300, 40000);
1274                        amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1275                                                               AMD_CG_STATE_UNGATE);
1276                        amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1277                                                               AMD_PG_STATE_UNGATE);
1278                }
1279        }
1280}
1281
1282void amdgpu_uvd_ring_end_use(struct amdgpu_ring *ring)
1283{
1284        if (!amdgpu_sriov_vf(ring->adev))
1285                schedule_delayed_work(&ring->adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
1286}
1287
1288/**
1289 * amdgpu_uvd_ring_test_ib - test ib execution
1290 *
1291 * @ring: amdgpu_ring pointer
1292 * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT
1293 *
1294 * Test if we can successfully execute an IB
1295 */
1296int amdgpu_uvd_ring_test_ib(struct amdgpu_ring *ring, long timeout)
1297{
1298        struct dma_fence *fence;
1299        long r;
1300
1301        r = amdgpu_uvd_get_create_msg(ring, 1, NULL);
1302        if (r)
1303                goto error;
1304
1305        r = amdgpu_uvd_get_destroy_msg(ring, 1, true, &fence);
1306        if (r)
1307                goto error;
1308
1309        r = dma_fence_wait_timeout(fence, false, timeout);
1310        if (r == 0)
1311                r = -ETIMEDOUT;
1312        else if (r > 0)
1313                r = 0;
1314
1315        dma_fence_put(fence);
1316
1317error:
1318        return r;
1319}
1320
1321/**
1322 * amdgpu_uvd_used_handles - returns used UVD handles
1323 *
1324 * @adev: amdgpu_device pointer
1325 *
1326 * Returns the number of UVD handles in use
1327 */
1328uint32_t amdgpu_uvd_used_handles(struct amdgpu_device *adev)
1329{
1330        unsigned i;
1331        uint32_t used_handles = 0;
1332
1333        for (i = 0; i < adev->uvd.max_handles; ++i) {
1334                /*
1335                 * Handles can be freed in any order, and not
1336                 * necessarily linear. So we need to count
1337                 * all non-zero handles.
1338                 */
1339                if (atomic_read(&adev->uvd.handles[i]))
1340                        used_handles++;
1341        }
1342
1343        return used_handles;
1344}
1345