linux/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
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   1/*
   2 * Copyright 2016 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#include <linux/firmware.h>
  28#include <linux/module.h>
  29#include <linux/pci.h>
  30
  31#include "amdgpu.h"
  32#include "amdgpu_pm.h"
  33#include "amdgpu_vcn.h"
  34#include "soc15d.h"
  35
  36/* Firmware Names */
  37#define FIRMWARE_RAVEN          "amdgpu/raven_vcn.bin"
  38#define FIRMWARE_PICASSO        "amdgpu/picasso_vcn.bin"
  39#define FIRMWARE_RAVEN2         "amdgpu/raven2_vcn.bin"
  40#define FIRMWARE_ARCTURUS       "amdgpu/arcturus_vcn.bin"
  41#define FIRMWARE_RENOIR         "amdgpu/renoir_vcn.bin"
  42#define FIRMWARE_NAVI10         "amdgpu/navi10_vcn.bin"
  43#define FIRMWARE_NAVI14         "amdgpu/navi14_vcn.bin"
  44#define FIRMWARE_NAVI12         "amdgpu/navi12_vcn.bin"
  45
  46MODULE_FIRMWARE(FIRMWARE_RAVEN);
  47MODULE_FIRMWARE(FIRMWARE_PICASSO);
  48MODULE_FIRMWARE(FIRMWARE_RAVEN2);
  49MODULE_FIRMWARE(FIRMWARE_ARCTURUS);
  50MODULE_FIRMWARE(FIRMWARE_RENOIR);
  51MODULE_FIRMWARE(FIRMWARE_NAVI10);
  52MODULE_FIRMWARE(FIRMWARE_NAVI14);
  53MODULE_FIRMWARE(FIRMWARE_NAVI12);
  54
  55static void amdgpu_vcn_idle_work_handler(struct work_struct *work);
  56
  57int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
  58{
  59        unsigned long bo_size;
  60        const char *fw_name;
  61        const struct common_firmware_header *hdr;
  62        unsigned char fw_check;
  63        int i, r;
  64
  65        INIT_DELAYED_WORK(&adev->vcn.idle_work, amdgpu_vcn_idle_work_handler);
  66
  67        switch (adev->asic_type) {
  68        case CHIP_RAVEN:
  69                if (adev->rev_id >= 8)
  70                        fw_name = FIRMWARE_RAVEN2;
  71                else if (adev->pdev->device == 0x15d8)
  72                        fw_name = FIRMWARE_PICASSO;
  73                else
  74                        fw_name = FIRMWARE_RAVEN;
  75                break;
  76        case CHIP_ARCTURUS:
  77                fw_name = FIRMWARE_ARCTURUS;
  78                if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
  79                    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
  80                        adev->vcn.indirect_sram = true;
  81                break;
  82        case CHIP_RENOIR:
  83                fw_name = FIRMWARE_RENOIR;
  84                if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
  85                    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
  86                        adev->vcn.indirect_sram = true;
  87                break;
  88        case CHIP_NAVI10:
  89                fw_name = FIRMWARE_NAVI10;
  90                if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
  91                    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
  92                        adev->vcn.indirect_sram = true;
  93                break;
  94        case CHIP_NAVI14:
  95                fw_name = FIRMWARE_NAVI14;
  96                if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
  97                    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
  98                        adev->vcn.indirect_sram = true;
  99                break;
 100        case CHIP_NAVI12:
 101                fw_name = FIRMWARE_NAVI12;
 102                if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
 103                    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
 104                        adev->vcn.indirect_sram = true;
 105                break;
 106        default:
 107                return -EINVAL;
 108        }
 109
 110        r = request_firmware(&adev->vcn.fw, fw_name, adev->dev);
 111        if (r) {
 112                dev_err(adev->dev, "amdgpu_vcn: Can't load firmware \"%s\"\n",
 113                        fw_name);
 114                return r;
 115        }
 116
 117        r = amdgpu_ucode_validate(adev->vcn.fw);
 118        if (r) {
 119                dev_err(adev->dev, "amdgpu_vcn: Can't validate firmware \"%s\"\n",
 120                        fw_name);
 121                release_firmware(adev->vcn.fw);
 122                adev->vcn.fw = NULL;
 123                return r;
 124        }
 125
 126        hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
 127        adev->vcn.fw_version = le32_to_cpu(hdr->ucode_version);
 128
 129        /* Bit 20-23, it is encode major and non-zero for new naming convention.
 130         * This field is part of version minor and DRM_DISABLED_FLAG in old naming
 131         * convention. Since the l:wq!atest version minor is 0x5B and DRM_DISABLED_FLAG
 132         * is zero in old naming convention, this field is always zero so far.
 133         * These four bits are used to tell which naming convention is present.
 134         */
 135        fw_check = (le32_to_cpu(hdr->ucode_version) >> 20) & 0xf;
 136        if (fw_check) {
 137                unsigned int dec_ver, enc_major, enc_minor, vep, fw_rev;
 138
 139                fw_rev = le32_to_cpu(hdr->ucode_version) & 0xfff;
 140                enc_minor = (le32_to_cpu(hdr->ucode_version) >> 12) & 0xff;
 141                enc_major = fw_check;
 142                dec_ver = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xf;
 143                vep = (le32_to_cpu(hdr->ucode_version) >> 28) & 0xf;
 144                DRM_INFO("Found VCN firmware Version ENC: %hu.%hu DEC: %hu VEP: %hu Revision: %hu\n",
 145                        enc_major, enc_minor, dec_ver, vep, fw_rev);
 146        } else {
 147                unsigned int version_major, version_minor, family_id;
 148
 149                family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
 150                version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
 151                version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
 152                DRM_INFO("Found VCN firmware Version: %hu.%hu Family ID: %hu\n",
 153                        version_major, version_minor, family_id);
 154        }
 155
 156        bo_size = AMDGPU_VCN_STACK_SIZE + AMDGPU_VCN_CONTEXT_SIZE;
 157        if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
 158                bo_size += AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
 159
 160        for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
 161                if (adev->vcn.harvest_config & (1 << i))
 162                        continue;
 163
 164                r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
 165                                                AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.inst[i].vcpu_bo,
 166                                                &adev->vcn.inst[i].gpu_addr, &adev->vcn.inst[i].cpu_addr);
 167                if (r) {
 168                        dev_err(adev->dev, "(%d) failed to allocate vcn bo\n", r);
 169                        return r;
 170                }
 171
 172                if (adev->vcn.indirect_sram) {
 173                        r = amdgpu_bo_create_kernel(adev, 64 * 2 * 4, PAGE_SIZE,
 174                                        AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.inst[i].dpg_sram_bo,
 175                                        &adev->vcn.inst[i].dpg_sram_gpu_addr, &adev->vcn.inst[i].dpg_sram_cpu_addr);
 176                        if (r) {
 177                                dev_err(adev->dev, "VCN %d (%d) failed to allocate DPG bo\n", i, r);
 178                                return r;
 179                        }
 180                }
 181        }
 182
 183        return 0;
 184}
 185
 186int amdgpu_vcn_sw_fini(struct amdgpu_device *adev)
 187{
 188        int i, j;
 189
 190        cancel_delayed_work_sync(&adev->vcn.idle_work);
 191
 192        for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
 193                if (adev->vcn.harvest_config & (1 << j))
 194                        continue;
 195                if (adev->vcn.indirect_sram) {
 196                        amdgpu_bo_free_kernel(&adev->vcn.inst[j].dpg_sram_bo,
 197                                                  &adev->vcn.inst[j].dpg_sram_gpu_addr,
 198                                                  (void **)&adev->vcn.inst[j].dpg_sram_cpu_addr);
 199                }
 200                kvfree(adev->vcn.inst[j].saved_bo);
 201
 202                amdgpu_bo_free_kernel(&adev->vcn.inst[j].vcpu_bo,
 203                                          &adev->vcn.inst[j].gpu_addr,
 204                                          (void **)&adev->vcn.inst[j].cpu_addr);
 205
 206                amdgpu_ring_fini(&adev->vcn.inst[j].ring_dec);
 207
 208                for (i = 0; i < adev->vcn.num_enc_rings; ++i)
 209                        amdgpu_ring_fini(&adev->vcn.inst[j].ring_enc[i]);
 210        }
 211
 212        release_firmware(adev->vcn.fw);
 213
 214        return 0;
 215}
 216
 217int amdgpu_vcn_suspend(struct amdgpu_device *adev)
 218{
 219        unsigned size;
 220        void *ptr;
 221        int i;
 222
 223        cancel_delayed_work_sync(&adev->vcn.idle_work);
 224
 225        for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
 226                if (adev->vcn.harvest_config & (1 << i))
 227                        continue;
 228                if (adev->vcn.inst[i].vcpu_bo == NULL)
 229                        return 0;
 230
 231                size = amdgpu_bo_size(adev->vcn.inst[i].vcpu_bo);
 232                ptr = adev->vcn.inst[i].cpu_addr;
 233
 234                adev->vcn.inst[i].saved_bo = kvmalloc(size, GFP_KERNEL);
 235                if (!adev->vcn.inst[i].saved_bo)
 236                        return -ENOMEM;
 237
 238                memcpy_fromio(adev->vcn.inst[i].saved_bo, ptr, size);
 239        }
 240        return 0;
 241}
 242
 243int amdgpu_vcn_resume(struct amdgpu_device *adev)
 244{
 245        unsigned size;
 246        void *ptr;
 247        int i;
 248
 249        for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
 250                if (adev->vcn.harvest_config & (1 << i))
 251                        continue;
 252                if (adev->vcn.inst[i].vcpu_bo == NULL)
 253                        return -EINVAL;
 254
 255                size = amdgpu_bo_size(adev->vcn.inst[i].vcpu_bo);
 256                ptr = adev->vcn.inst[i].cpu_addr;
 257
 258                if (adev->vcn.inst[i].saved_bo != NULL) {
 259                        memcpy_toio(ptr, adev->vcn.inst[i].saved_bo, size);
 260                        kvfree(adev->vcn.inst[i].saved_bo);
 261                        adev->vcn.inst[i].saved_bo = NULL;
 262                } else {
 263                        const struct common_firmware_header *hdr;
 264                        unsigned offset;
 265
 266                        hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
 267                        if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
 268                                offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
 269                                memcpy_toio(adev->vcn.inst[i].cpu_addr, adev->vcn.fw->data + offset,
 270                                            le32_to_cpu(hdr->ucode_size_bytes));
 271                                size -= le32_to_cpu(hdr->ucode_size_bytes);
 272                                ptr += le32_to_cpu(hdr->ucode_size_bytes);
 273                        }
 274                        memset_io(ptr, 0, size);
 275                }
 276        }
 277        return 0;
 278}
 279
 280static void amdgpu_vcn_idle_work_handler(struct work_struct *work)
 281{
 282        struct amdgpu_device *adev =
 283                container_of(work, struct amdgpu_device, vcn.idle_work.work);
 284        unsigned int fences = 0, fence[AMDGPU_MAX_VCN_INSTANCES] = {0};
 285        unsigned int i, j;
 286
 287        for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
 288                if (adev->vcn.harvest_config & (1 << j))
 289                        continue;
 290
 291                for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
 292                        fence[j] += amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_enc[i]);
 293                }
 294
 295                if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)    {
 296                        struct dpg_pause_state new_state;
 297
 298                        if (fence[j])
 299                                new_state.fw_based = VCN_DPG_STATE__PAUSE;
 300                        else
 301                                new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
 302
 303                        adev->vcn.pause_dpg_mode(adev, j, &new_state);
 304                }
 305
 306                fence[j] += amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_dec);
 307                fences += fence[j];
 308        }
 309
 310        if (fences == 0) {
 311                amdgpu_gfx_off_ctrl(adev, true);
 312                amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
 313                       AMD_PG_STATE_GATE);
 314        } else {
 315                schedule_delayed_work(&adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
 316        }
 317}
 318
 319void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring)
 320{
 321        struct amdgpu_device *adev = ring->adev;
 322        bool set_clocks = !cancel_delayed_work_sync(&adev->vcn.idle_work);
 323
 324        if (set_clocks) {
 325                amdgpu_gfx_off_ctrl(adev, false);
 326                amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
 327                       AMD_PG_STATE_UNGATE);
 328        }
 329
 330        if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)    {
 331                struct dpg_pause_state new_state;
 332                unsigned int fences = 0;
 333                unsigned int i;
 334
 335                for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
 336                        fences += amdgpu_fence_count_emitted(&adev->vcn.inst[ring->me].ring_enc[i]);
 337                }
 338                if (fences)
 339                        new_state.fw_based = VCN_DPG_STATE__PAUSE;
 340                else
 341                        new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
 342
 343                if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC)
 344                        new_state.fw_based = VCN_DPG_STATE__PAUSE;
 345
 346                adev->vcn.pause_dpg_mode(adev, ring->me, &new_state);
 347        }
 348}
 349
 350void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring)
 351{
 352        schedule_delayed_work(&ring->adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
 353}
 354
 355int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring)
 356{
 357        struct amdgpu_device *adev = ring->adev;
 358        uint32_t tmp = 0;
 359        unsigned i;
 360        int r;
 361
 362        WREG32(adev->vcn.inst[ring->me].external.scratch9, 0xCAFEDEAD);
 363        r = amdgpu_ring_alloc(ring, 3);
 364        if (r)
 365                return r;
 366        amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.scratch9, 0));
 367        amdgpu_ring_write(ring, 0xDEADBEEF);
 368        amdgpu_ring_commit(ring);
 369        for (i = 0; i < adev->usec_timeout; i++) {
 370                tmp = RREG32(adev->vcn.inst[ring->me].external.scratch9);
 371                if (tmp == 0xDEADBEEF)
 372                        break;
 373                udelay(1);
 374        }
 375
 376        if (i >= adev->usec_timeout)
 377                r = -ETIMEDOUT;
 378
 379        return r;
 380}
 381
 382static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring,
 383                                   struct amdgpu_bo *bo,
 384                                   struct dma_fence **fence)
 385{
 386        struct amdgpu_device *adev = ring->adev;
 387        struct dma_fence *f = NULL;
 388        struct amdgpu_job *job;
 389        struct amdgpu_ib *ib;
 390        uint64_t addr;
 391        int i, r;
 392
 393        r = amdgpu_job_alloc_with_ib(adev, 64, &job);
 394        if (r)
 395                goto err;
 396
 397        ib = &job->ibs[0];
 398        addr = amdgpu_bo_gpu_offset(bo);
 399        ib->ptr[0] = PACKET0(adev->vcn.internal.data0, 0);
 400        ib->ptr[1] = addr;
 401        ib->ptr[2] = PACKET0(adev->vcn.internal.data1, 0);
 402        ib->ptr[3] = addr >> 32;
 403        ib->ptr[4] = PACKET0(adev->vcn.internal.cmd, 0);
 404        ib->ptr[5] = 0;
 405        for (i = 6; i < 16; i += 2) {
 406                ib->ptr[i] = PACKET0(adev->vcn.internal.nop, 0);
 407                ib->ptr[i+1] = 0;
 408        }
 409        ib->length_dw = 16;
 410
 411        r = amdgpu_job_submit_direct(job, ring, &f);
 412        if (r)
 413                goto err_free;
 414
 415        amdgpu_bo_fence(bo, f, false);
 416        amdgpu_bo_unreserve(bo);
 417        amdgpu_bo_unref(&bo);
 418
 419        if (fence)
 420                *fence = dma_fence_get(f);
 421        dma_fence_put(f);
 422
 423        return 0;
 424
 425err_free:
 426        amdgpu_job_free(job);
 427
 428err:
 429        amdgpu_bo_unreserve(bo);
 430        amdgpu_bo_unref(&bo);
 431        return r;
 432}
 433
 434static int amdgpu_vcn_dec_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
 435                              struct dma_fence **fence)
 436{
 437        struct amdgpu_device *adev = ring->adev;
 438        struct amdgpu_bo *bo = NULL;
 439        uint32_t *msg;
 440        int r, i;
 441
 442        r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
 443                                      AMDGPU_GEM_DOMAIN_VRAM,
 444                                      &bo, NULL, (void **)&msg);
 445        if (r)
 446                return r;
 447
 448        msg[0] = cpu_to_le32(0x00000028);
 449        msg[1] = cpu_to_le32(0x00000038);
 450        msg[2] = cpu_to_le32(0x00000001);
 451        msg[3] = cpu_to_le32(0x00000000);
 452        msg[4] = cpu_to_le32(handle);
 453        msg[5] = cpu_to_le32(0x00000000);
 454        msg[6] = cpu_to_le32(0x00000001);
 455        msg[7] = cpu_to_le32(0x00000028);
 456        msg[8] = cpu_to_le32(0x00000010);
 457        msg[9] = cpu_to_le32(0x00000000);
 458        msg[10] = cpu_to_le32(0x00000007);
 459        msg[11] = cpu_to_le32(0x00000000);
 460        msg[12] = cpu_to_le32(0x00000780);
 461        msg[13] = cpu_to_le32(0x00000440);
 462        for (i = 14; i < 1024; ++i)
 463                msg[i] = cpu_to_le32(0x0);
 464
 465        return amdgpu_vcn_dec_send_msg(ring, bo, fence);
 466}
 467
 468static int amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
 469                               struct dma_fence **fence)
 470{
 471        struct amdgpu_device *adev = ring->adev;
 472        struct amdgpu_bo *bo = NULL;
 473        uint32_t *msg;
 474        int r, i;
 475
 476        r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
 477                                      AMDGPU_GEM_DOMAIN_VRAM,
 478                                      &bo, NULL, (void **)&msg);
 479        if (r)
 480                return r;
 481
 482        msg[0] = cpu_to_le32(0x00000028);
 483        msg[1] = cpu_to_le32(0x00000018);
 484        msg[2] = cpu_to_le32(0x00000000);
 485        msg[3] = cpu_to_le32(0x00000002);
 486        msg[4] = cpu_to_le32(handle);
 487        msg[5] = cpu_to_le32(0x00000000);
 488        for (i = 6; i < 1024; ++i)
 489                msg[i] = cpu_to_le32(0x0);
 490
 491        return amdgpu_vcn_dec_send_msg(ring, bo, fence);
 492}
 493
 494int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout)
 495{
 496        struct amdgpu_device *adev = ring->adev;
 497        struct dma_fence *fence;
 498        long r;
 499
 500        /* temporarily disable ib test for sriov */
 501        if (amdgpu_sriov_vf(adev))
 502                return 0;
 503
 504        r = amdgpu_vcn_dec_get_create_msg(ring, 1, NULL);
 505        if (r)
 506                goto error;
 507
 508        r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, &fence);
 509        if (r)
 510                goto error;
 511
 512        r = dma_fence_wait_timeout(fence, false, timeout);
 513        if (r == 0)
 514                r = -ETIMEDOUT;
 515        else if (r > 0)
 516                r = 0;
 517
 518        dma_fence_put(fence);
 519error:
 520        return r;
 521}
 522
 523int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring)
 524{
 525        struct amdgpu_device *adev = ring->adev;
 526        uint32_t rptr;
 527        unsigned i;
 528        int r;
 529
 530        r = amdgpu_ring_alloc(ring, 16);
 531        if (r)
 532                return r;
 533
 534        rptr = amdgpu_ring_get_rptr(ring);
 535
 536        amdgpu_ring_write(ring, VCN_ENC_CMD_END);
 537        amdgpu_ring_commit(ring);
 538
 539        for (i = 0; i < adev->usec_timeout; i++) {
 540                if (amdgpu_ring_get_rptr(ring) != rptr)
 541                        break;
 542                udelay(1);
 543        }
 544
 545        if (i >= adev->usec_timeout)
 546                r = -ETIMEDOUT;
 547
 548        return r;
 549}
 550
 551static int amdgpu_vcn_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
 552                                         struct amdgpu_bo *bo,
 553                                         struct dma_fence **fence)
 554{
 555        const unsigned ib_size_dw = 16;
 556        struct amdgpu_job *job;
 557        struct amdgpu_ib *ib;
 558        struct dma_fence *f = NULL;
 559        uint64_t addr;
 560        int i, r;
 561
 562        r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
 563        if (r)
 564                return r;
 565
 566        ib = &job->ibs[0];
 567        addr = amdgpu_bo_gpu_offset(bo);
 568
 569        ib->length_dw = 0;
 570        ib->ptr[ib->length_dw++] = 0x00000018;
 571        ib->ptr[ib->length_dw++] = 0x00000001; /* session info */
 572        ib->ptr[ib->length_dw++] = handle;
 573        ib->ptr[ib->length_dw++] = upper_32_bits(addr);
 574        ib->ptr[ib->length_dw++] = addr;
 575        ib->ptr[ib->length_dw++] = 0x0000000b;
 576
 577        ib->ptr[ib->length_dw++] = 0x00000014;
 578        ib->ptr[ib->length_dw++] = 0x00000002; /* task info */
 579        ib->ptr[ib->length_dw++] = 0x0000001c;
 580        ib->ptr[ib->length_dw++] = 0x00000000;
 581        ib->ptr[ib->length_dw++] = 0x00000000;
 582
 583        ib->ptr[ib->length_dw++] = 0x00000008;
 584        ib->ptr[ib->length_dw++] = 0x08000001; /* op initialize */
 585
 586        for (i = ib->length_dw; i < ib_size_dw; ++i)
 587                ib->ptr[i] = 0x0;
 588
 589        r = amdgpu_job_submit_direct(job, ring, &f);
 590        if (r)
 591                goto err;
 592
 593        if (fence)
 594                *fence = dma_fence_get(f);
 595        dma_fence_put(f);
 596
 597        return 0;
 598
 599err:
 600        amdgpu_job_free(job);
 601        return r;
 602}
 603
 604static int amdgpu_vcn_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
 605                                          struct amdgpu_bo *bo,
 606                                          struct dma_fence **fence)
 607{
 608        const unsigned ib_size_dw = 16;
 609        struct amdgpu_job *job;
 610        struct amdgpu_ib *ib;
 611        struct dma_fence *f = NULL;
 612        uint64_t addr;
 613        int i, r;
 614
 615        r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
 616        if (r)
 617                return r;
 618
 619        ib = &job->ibs[0];
 620        addr = amdgpu_bo_gpu_offset(bo);
 621
 622        ib->length_dw = 0;
 623        ib->ptr[ib->length_dw++] = 0x00000018;
 624        ib->ptr[ib->length_dw++] = 0x00000001;
 625        ib->ptr[ib->length_dw++] = handle;
 626        ib->ptr[ib->length_dw++] = upper_32_bits(addr);
 627        ib->ptr[ib->length_dw++] = addr;
 628        ib->ptr[ib->length_dw++] = 0x0000000b;
 629
 630        ib->ptr[ib->length_dw++] = 0x00000014;
 631        ib->ptr[ib->length_dw++] = 0x00000002;
 632        ib->ptr[ib->length_dw++] = 0x0000001c;
 633        ib->ptr[ib->length_dw++] = 0x00000000;
 634        ib->ptr[ib->length_dw++] = 0x00000000;
 635
 636        ib->ptr[ib->length_dw++] = 0x00000008;
 637        ib->ptr[ib->length_dw++] = 0x08000002; /* op close session */
 638
 639        for (i = ib->length_dw; i < ib_size_dw; ++i)
 640                ib->ptr[i] = 0x0;
 641
 642        r = amdgpu_job_submit_direct(job, ring, &f);
 643        if (r)
 644                goto err;
 645
 646        if (fence)
 647                *fence = dma_fence_get(f);
 648        dma_fence_put(f);
 649
 650        return 0;
 651
 652err:
 653        amdgpu_job_free(job);
 654        return r;
 655}
 656
 657int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout)
 658{
 659        struct amdgpu_device *adev = ring->adev;
 660        struct dma_fence *fence = NULL;
 661        struct amdgpu_bo *bo = NULL;
 662        long r;
 663
 664        /* temporarily disable ib test for sriov */
 665        if (amdgpu_sriov_vf(adev))
 666                return 0;
 667
 668        r = amdgpu_bo_create_reserved(ring->adev, 128 * 1024, PAGE_SIZE,
 669                                      AMDGPU_GEM_DOMAIN_VRAM,
 670                                      &bo, NULL, NULL);
 671        if (r)
 672                return r;
 673
 674        r = amdgpu_vcn_enc_get_create_msg(ring, 1, bo, NULL);
 675        if (r)
 676                goto error;
 677
 678        r = amdgpu_vcn_enc_get_destroy_msg(ring, 1, bo, &fence);
 679        if (r)
 680                goto error;
 681
 682        r = dma_fence_wait_timeout(fence, false, timeout);
 683        if (r == 0)
 684                r = -ETIMEDOUT;
 685        else if (r > 0)
 686                r = 0;
 687
 688error:
 689        dma_fence_put(fence);
 690        amdgpu_bo_unreserve(bo);
 691        amdgpu_bo_unref(&bo);
 692        return r;
 693}
 694