drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c

   1 /*
   2  * Copyright 2013 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  * Authors: Christian König <christian.koenig@amd.com>
  26  */
  27
  28 #include <linux/firmware.h>
  29 #include <linux/module.h>
  30
  31 #include <drm/drm.h>
  32
  33 #include "amdgpu.h"
  34 #include "amdgpu_pm.h"
  35 #include "amdgpu_vce.h"
  36 #include "cikd.h"
  37
  38 /* 1 second timeout */
  39 #define VCE_IDLE_TIMEOUT        msecs_to_jiffies(1000)
  40
  41 /* Firmware Names */
  42 #ifdef CONFIG_DRM_AMDGPU_CIK
  43 #define FIRMWARE_BONAIRE        "amdgpu/bonaire_vce.bin"
  44 #define FIRMWARE_KABINI "amdgpu/kabini_vce.bin"
  45 #define FIRMWARE_KAVERI "amdgpu/kaveri_vce.bin"
  46 #define FIRMWARE_HAWAII "amdgpu/hawaii_vce.bin"
  47 #define FIRMWARE_MULLINS        "amdgpu/mullins_vce.bin"
  48 #endif
  49 #define FIRMWARE_TONGA          "amdgpu/tonga_vce.bin"
  50 #define FIRMWARE_CARRIZO        "amdgpu/carrizo_vce.bin"
  51 #define FIRMWARE_FIJI           "amdgpu/fiji_vce.bin"
  52 #define FIRMWARE_STONEY         "amdgpu/stoney_vce.bin"
  53 #define FIRMWARE_POLARIS10      "amdgpu/polaris10_vce.bin"
  54 #define FIRMWARE_POLARIS11      "amdgpu/polaris11_vce.bin"
  55 #define FIRMWARE_POLARIS12      "amdgpu/polaris12_vce.bin"
  56 #define FIRMWARE_VEGAM          "amdgpu/vegam_vce.bin"
  57
  58 #define FIRMWARE_VEGA10         "amdgpu/vega10_vce.bin"
  59 #define FIRMWARE_VEGA12         "amdgpu/vega12_vce.bin"
  60 #define FIRMWARE_VEGA20         "amdgpu/vega20_vce.bin"
  61
  62 #ifdef CONFIG_DRM_AMDGPU_CIK
  63 MODULE_FIRMWARE(FIRMWARE_BONAIRE);
  64 MODULE_FIRMWARE(FIRMWARE_KABINI);
  65 MODULE_FIRMWARE(FIRMWARE_KAVERI);
  66 MODULE_FIRMWARE(FIRMWARE_HAWAII);
  67 MODULE_FIRMWARE(FIRMWARE_MULLINS);
  68 #endif
  69 MODULE_FIRMWARE(FIRMWARE_TONGA);
  70 MODULE_FIRMWARE(FIRMWARE_CARRIZO);
  71 MODULE_FIRMWARE(FIRMWARE_FIJI);
  72 MODULE_FIRMWARE(FIRMWARE_STONEY);
  73 MODULE_FIRMWARE(FIRMWARE_POLARIS10);
  74 MODULE_FIRMWARE(FIRMWARE_POLARIS11);
  75 MODULE_FIRMWARE(FIRMWARE_POLARIS12);
  76 MODULE_FIRMWARE(FIRMWARE_VEGAM);
  77
  78 MODULE_FIRMWARE(FIRMWARE_VEGA10);
  79 MODULE_FIRMWARE(FIRMWARE_VEGA12);
  80 MODULE_FIRMWARE(FIRMWARE_VEGA20);
  81
  82 static void amdgpu_vce_idle_work_handler(struct work_struct *work);
  83 static int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
  84                                      struct amdgpu_bo *bo,
  85                                      struct dma_fence **fence);
  86 static int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
  87                                       bool direct, struct dma_fence **fence);
  88
  89 /**
  90  * amdgpu_vce_init - allocate memory, load vce firmware
  91  *
  92  * @adev: amdgpu_device pointer
  93  *
  94  * First step to get VCE online, allocate memory and load the firmware
  95  */
  96 int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size)
  97 {
  98         const char *fw_name;
  99         const struct common_firmware_header *hdr;
 100         unsigned ucode_version, version_major, version_minor, binary_id;
 101         int i, r;
 102
 103         switch (adev->asic_type) {
 104 #ifdef CONFIG_DRM_AMDGPU_CIK
 105         case CHIP_BONAIRE:
 106                 fw_name = FIRMWARE_BONAIRE;
 107                 break;
 108         case CHIP_KAVERI:
 109                 fw_name = FIRMWARE_KAVERI;
 110                 break;
 111         case CHIP_KABINI:
 112                 fw_name = FIRMWARE_KABINI;
 113                 break;
 114         case CHIP_HAWAII:
 115                 fw_name = FIRMWARE_HAWAII;
 116                 break;
 117         case CHIP_MULLINS:
 118                 fw_name = FIRMWARE_MULLINS;
 119                 break;
 120 #endif
 121         case CHIP_TONGA:
 122                 fw_name = FIRMWARE_TONGA;
 123                 break;
 124         case CHIP_CARRIZO:
 125                 fw_name = FIRMWARE_CARRIZO;
 126                 break;
 127         case CHIP_FIJI:
 128                 fw_name = FIRMWARE_FIJI;
 129                 break;
 130         case CHIP_STONEY:
 131                 fw_name = FIRMWARE_STONEY;
 132                 break;
 133         case CHIP_POLARIS10:
 134                 fw_name = FIRMWARE_POLARIS10;
 135                 break;
 136         case CHIP_POLARIS11:
 137                 fw_name = FIRMWARE_POLARIS11;
 138                 break;
 139         case CHIP_POLARIS12:
 140                 fw_name = FIRMWARE_POLARIS12;
 141                 break;
 142         case CHIP_VEGAM:
 143                 fw_name = FIRMWARE_VEGAM;
 144                 break;
 145         case CHIP_VEGA10:
 146                 fw_name = FIRMWARE_VEGA10;
 147                 break;
 148         case CHIP_VEGA12:
 149                 fw_name = FIRMWARE_VEGA12;
 150                 break;
 151         case CHIP_VEGA20:
 152                 fw_name = FIRMWARE_VEGA20;
 153                 break;
 154
 155         default:
 156                 return -EINVAL;
 157         }
 158
 159         r = request_firmware(&adev->vce.fw, fw_name, adev->dev);
 160         if (r) {
 161                 dev_err(adev->dev, "amdgpu_vce: Can't load firmware \"%s\"\n",
 162                         fw_name);
 163                 return r;
 164         }
 165
 166         r = amdgpu_ucode_validate(adev->vce.fw);
 167         if (r) {
 168                 dev_err(adev->dev, "amdgpu_vce: Can't validate firmware \"%s\"\n",
 169                         fw_name);
 170                 release_firmware(adev->vce.fw);
 171                 adev->vce.fw = NULL;
 172                 return r;
 173         }
 174
 175         hdr = (const struct common_firmware_header *)adev->vce.fw->data;
 176
 177         ucode_version = le32_to_cpu(hdr->ucode_version);
 178         version_major = (ucode_version >> 20) & 0xfff;
 179         version_minor = (ucode_version >> 8) & 0xfff;
 180         binary_id = ucode_version & 0xff;
 181         DRM_INFO("Found VCE firmware Version: %hhd.%hhd Binary ID: %hhd\n",
 182                 version_major, version_minor, binary_id);
 183         adev->vce.fw_version = ((version_major << 24) | (version_minor << 16) |
 184                                 (binary_id << 8));
 185
 186         r = amdgpu_bo_create_kernel(adev, size, PAGE_SIZE,
 187                                     AMDGPU_GEM_DOMAIN_VRAM, &adev->vce.vcpu_bo,
 188                                     &adev->vce.gpu_addr, &adev->vce.cpu_addr);
 189         if (r) {
 190                 dev_err(adev->dev, "(%d) failed to allocate VCE bo\n", r);
 191                 return r;
 192         }
 193
 194         for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
 195                 atomic_set(&adev->vce.handles[i], 0);
 196                 adev->vce.filp[i] = NULL;
 197         }
 198
 199         INIT_DELAYED_WORK(&adev->vce.idle_work, amdgpu_vce_idle_work_handler);
 200         mutex_init(&adev->vce.idle_mutex);
 201
 202         return 0;
 203 }
 204
 205 /**
 206  * amdgpu_vce_fini - free memory
 207  *
 208  * @adev: amdgpu_device pointer
 209  *
 210  * Last step on VCE teardown, free firmware memory
 211  */
 212 int amdgpu_vce_sw_fini(struct amdgpu_device *adev)
 213 {
 214         unsigned i;
 215
 216         if (adev->vce.vcpu_bo == NULL)
 217                 return 0;
 218
 219         cancel_delayed_work_sync(&adev->vce.idle_work);
 220         drm_sched_entity_destroy(&adev->vce.entity);
 221
 222         amdgpu_bo_free_kernel(&adev->vce.vcpu_bo, &adev->vce.gpu_addr,
 223                 (void **)&adev->vce.cpu_addr);
 224
 225         for (i = 0; i < adev->vce.num_rings; i++)
 226                 amdgpu_ring_fini(&adev->vce.ring[i]);
 227
 228         release_firmware(adev->vce.fw);
 229         mutex_destroy(&adev->vce.idle_mutex);
 230
 231         return 0;
 232 }
 233
 234 /**
 235  * amdgpu_vce_entity_init - init entity
 236  *
 237  * @adev: amdgpu_device pointer
 238  *
 239  */
 240 int amdgpu_vce_entity_init(struct amdgpu_device *adev)
 241 {
 242         struct amdgpu_ring *ring;
 243         struct drm_gpu_scheduler *sched;
 244         int r;
 245
 246         ring = &adev->vce.ring[0];
 247         sched = &ring->sched;
 248         r = drm_sched_entity_init(&adev->vce.entity, DRM_SCHED_PRIORITY_NORMAL,
 249                                   &sched, 1, NULL);
 250         if (r != 0) {
 251                 DRM_ERROR("Failed setting up VCE run queue.\n");
 252                 return r;
 253         }
 254
 255         return 0;
 256 }
 257
 258 /**
 259  * amdgpu_vce_suspend - unpin VCE fw memory
 260  *
 261  * @adev: amdgpu_device pointer
 262  *
 263  */
 264 int amdgpu_vce_suspend(struct amdgpu_device *adev)
 265 {
 266         int i;
 267
 268         cancel_delayed_work_sync(&adev->vce.idle_work);
 269
 270         if (adev->vce.vcpu_bo == NULL)
 271                 return 0;
 272
 273         for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i)
 274                 if (atomic_read(&adev->vce.handles[i]))
 275                         break;
 276
 277         if (i == AMDGPU_MAX_VCE_HANDLES)
 278                 return 0;
 279
 280         /* TODO: suspending running encoding sessions isn't supported */
 281         return -EINVAL;
 282 }
 283
 284 /**
 285  * amdgpu_vce_resume - pin VCE fw memory
 286  *
 287  * @adev: amdgpu_device pointer
 288  *
 289  */
 290 int amdgpu_vce_resume(struct amdgpu_device *adev)
 291 {
 292         void *cpu_addr;
 293         const struct common_firmware_header *hdr;
 294         unsigned offset;
 295         int r;
 296
 297         if (adev->vce.vcpu_bo == NULL)
 298                 return -EINVAL;
 299
 300         r = amdgpu_bo_reserve(adev->vce.vcpu_bo, false);
 301         if (r) {
 302                 dev_err(adev->dev, "(%d) failed to reserve VCE bo\n", r);
 303                 return r;
 304         }
 305
 306         r = amdgpu_bo_kmap(adev->vce.vcpu_bo, &cpu_addr);
 307         if (r) {
 308                 amdgpu_bo_unreserve(adev->vce.vcpu_bo);
 309                 dev_err(adev->dev, "(%d) VCE map failed\n", r);
 310                 return r;
 311         }
 312
 313         hdr = (const struct common_firmware_header *)adev->vce.fw->data;
 314         offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
 315         memcpy_toio(cpu_addr, adev->vce.fw->data + offset,
 316                     adev->vce.fw->size - offset);
 317
 318         amdgpu_bo_kunmap(adev->vce.vcpu_bo);
 319
 320         amdgpu_bo_unreserve(adev->vce.vcpu_bo);
 321
 322         return 0;
 323 }
 324
 325 /**
 326  * amdgpu_vce_idle_work_handler - power off VCE
 327  *
 328  * @work: pointer to work structure
 329  *
 330  * power of VCE when it's not used any more
 331  */
 332 static void amdgpu_vce_idle_work_handler(struct work_struct *work)
 333 {
 334         struct amdgpu_device *adev =
 335                 container_of(work, struct amdgpu_device, vce.idle_work.work);
 336         unsigned i, count = 0;
 337
 338         for (i = 0; i < adev->vce.num_rings; i++)
 339                 count += amdgpu_fence_count_emitted(&adev->vce.ring[i]);
 340
 341         if (count == 0) {
 342                 if (adev->pm.dpm_enabled) {
 343                         amdgpu_dpm_enable_vce(adev, false);
 344                 } else {
 345                         amdgpu_asic_set_vce_clocks(adev, 0, 0);
 346                         amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
 347                                                                AMD_PG_STATE_GATE);
 348                         amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
 349                                                                AMD_CG_STATE_GATE);
 350                 }
 351         } else {
 352                 schedule_delayed_work(&adev->vce.idle_work, VCE_IDLE_TIMEOUT);
 353         }
 354 }
 355
 356 /**
 357  * amdgpu_vce_ring_begin_use - power up VCE
 358  *
 359  * @ring: amdgpu ring
 360  *
 361  * Make sure VCE is powerd up when we want to use it
 362  */
 363 void amdgpu_vce_ring_begin_use(struct amdgpu_ring *ring)
 364 {
 365         struct amdgpu_device *adev = ring->adev;
 366         bool set_clocks;
 367
 368         if (amdgpu_sriov_vf(adev))
 369                 return;
 370
 371         mutex_lock(&adev->vce.idle_mutex);
 372         set_clocks = !cancel_delayed_work_sync(&adev->vce.idle_work);
 373         if (set_clocks) {
 374                 if (adev->pm.dpm_enabled) {
 375                         amdgpu_dpm_enable_vce(adev, true);
 376                 } else {
 377                         amdgpu_asic_set_vce_clocks(adev, 53300, 40000);
 378                         amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
 379                                                                AMD_CG_STATE_UNGATE);
 380                         amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
 381                                                                AMD_PG_STATE_UNGATE);
 382
 383                 }
 384         }
 385         mutex_unlock(&adev->vce.idle_mutex);
 386 }
 387
 388 /**
 389  * amdgpu_vce_ring_end_use - power VCE down
 390  *
 391  * @ring: amdgpu ring
 392  *
 393  * Schedule work to power VCE down again
 394  */
 395 void amdgpu_vce_ring_end_use(struct amdgpu_ring *ring)
 396 {
 397         if (!amdgpu_sriov_vf(ring->adev))
 398                 schedule_delayed_work(&ring->adev->vce.idle_work, VCE_IDLE_TIMEOUT);
 399 }
 400
 401 /**
 402  * amdgpu_vce_free_handles - free still open VCE handles
 403  *
 404  * @adev: amdgpu_device pointer
 405  * @filp: drm file pointer
 406  *
 407  * Close all VCE handles still open by this file pointer
 408  */
 409 void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp)
 410 {
 411         struct amdgpu_ring *ring = &adev->vce.ring[0];
 412         int i, r;
 413         for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
 414                 uint32_t handle = atomic_read(&adev->vce.handles[i]);
 415
 416                 if (!handle || adev->vce.filp[i] != filp)
 417                         continue;
 418
 419                 r = amdgpu_vce_get_destroy_msg(ring, handle, false, NULL);
 420                 if (r)
 421                         DRM_ERROR("Error destroying VCE handle (%d)!\n", r);
 422
 423                 adev->vce.filp[i] = NULL;
 424                 atomic_set(&adev->vce.handles[i], 0);
 425         }
 426 }
 427
 428 /**
 429  * amdgpu_vce_get_create_msg - generate a VCE create msg
 430  *
 431  * @adev: amdgpu_device pointer
 432  * @ring: ring we should submit the msg to
 433  * @handle: VCE session handle to use
 434  * @fence: optional fence to return
 435  *
 436  * Open up a stream for HW test
 437  */
 438 static int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
 439                                      struct amdgpu_bo *bo,
 440                                      struct dma_fence **fence)
 441 {
 442         const unsigned ib_size_dw = 1024;
 443         struct amdgpu_job *job;
 444         struct amdgpu_ib *ib;
 445         struct dma_fence *f = NULL;
 446         uint64_t addr;
 447         int i, r;
 448
 449         r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
 450         if (r)
 451                 return r;
 452
 453         ib = &job->ibs[0];
 454
 455         addr = amdgpu_bo_gpu_offset(bo);
 456
 457         /* stitch together an VCE create msg */
 458         ib->length_dw = 0;
 459         ib->ptr[ib->length_dw++] = 0x0000000c; /* len */
 460         ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */
 461         ib->ptr[ib->length_dw++] = handle;
 462
 463         if ((ring->adev->vce.fw_version >> 24) >= 52)
 464                 ib->ptr[ib->length_dw++] = 0x00000040; /* len */
 465         else
 466                 ib->ptr[ib->length_dw++] = 0x00000030; /* len */
 467         ib->ptr[ib->length_dw++] = 0x01000001; /* create cmd */
 468         ib->ptr[ib->length_dw++] = 0x00000000;
 469         ib->ptr[ib->length_dw++] = 0x00000042;
 470         ib->ptr[ib->length_dw++] = 0x0000000a;
 471         ib->ptr[ib->length_dw++] = 0x00000001;
 472         ib->ptr[ib->length_dw++] = 0x00000080;
 473         ib->ptr[ib->length_dw++] = 0x00000060;
 474         ib->ptr[ib->length_dw++] = 0x00000100;
 475         ib->ptr[ib->length_dw++] = 0x00000100;
 476         ib->ptr[ib->length_dw++] = 0x0000000c;
 477         ib->ptr[ib->length_dw++] = 0x00000000;
 478         if ((ring->adev->vce.fw_version >> 24) >= 52) {
 479                 ib->ptr[ib->length_dw++] = 0x00000000;
 480                 ib->ptr[ib->length_dw++] = 0x00000000;
 481                 ib->ptr[ib->length_dw++] = 0x00000000;
 482                 ib->ptr[ib->length_dw++] = 0x00000000;
 483         }
 484
 485         ib->ptr[ib->length_dw++] = 0x00000014; /* len */
 486         ib->ptr[ib->length_dw++] = 0x05000005; /* feedback buffer */
 487         ib->ptr[ib->length_dw++] = upper_32_bits(addr);
 488         ib->ptr[ib->length_dw++] = addr;
 489         ib->ptr[ib->length_dw++] = 0x00000001;
 490
 491         for (i = ib->length_dw; i < ib_size_dw; ++i)
 492                 ib->ptr[i] = 0x0;
 493
 494         r = amdgpu_job_submit_direct(job, ring, &f);
 495         if (r)
 496                 goto err;
 497
 498         if (fence)
 499                 *fence = dma_fence_get(f);
 500         dma_fence_put(f);
 501         return 0;
 502
 503 err:
 504         amdgpu_job_free(job);
 505         return r;
 506 }
 507
 508 /**
 509  * amdgpu_vce_get_destroy_msg - generate a VCE destroy msg
 510  *
 511  * @adev: amdgpu_device pointer
 512  * @ring: ring we should submit the msg to
 513  * @handle: VCE session handle to use
 514  * @fence: optional fence to return
 515  *
 516  * Close up a stream for HW test or if userspace failed to do so
 517  */
 518 static int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
 519                                       bool direct, struct dma_fence **fence)
 520 {
 521         const unsigned ib_size_dw = 1024;
 522         struct amdgpu_job *job;
 523         struct amdgpu_ib *ib;
 524         struct dma_fence *f = NULL;
 525         int i, r;
 526
 527         r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
 528         if (r)
 529                 return r;
 530
 531         ib = &job->ibs[0];
 532
 533         /* stitch together an VCE destroy msg */
 534         ib->length_dw = 0;
 535         ib->ptr[ib->length_dw++] = 0x0000000c; /* len */
 536         ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */
 537         ib->ptr[ib->length_dw++] = handle;
 538
 539         ib->ptr[ib->length_dw++] = 0x00000020; /* len */
 540         ib->ptr[ib->length_dw++] = 0x00000002; /* task info */
 541         ib->ptr[ib->length_dw++] = 0xffffffff; /* next task info, set to 0xffffffff if no */
 542         ib->ptr[ib->length_dw++] = 0x00000001; /* destroy session */
 543         ib->ptr[ib->length_dw++] = 0x00000000;
 544         ib->ptr[ib->length_dw++] = 0x00000000;
 545         ib->ptr[ib->length_dw++] = 0xffffffff; /* feedback is not needed, set to 0xffffffff and firmware will not output feedback */
 546         ib->ptr[ib->length_dw++] = 0x00000000;
 547
 548         ib->ptr[ib->length_dw++] = 0x00000008; /* len */
 549         ib->ptr[ib->length_dw++] = 0x02000001; /* destroy cmd */
 550
 551         for (i = ib->length_dw; i < ib_size_dw; ++i)
 552                 ib->ptr[i] = 0x0;
 553
 554         if (direct)
 555                 r = amdgpu_job_submit_direct(job, ring, &f);
 556         else
 557                 r = amdgpu_job_submit(job, &ring->adev->vce.entity,
 558                                       AMDGPU_FENCE_OWNER_UNDEFINED, &f);
 559         if (r)
 560                 goto err;
 561
 562         if (fence)
 563                 *fence = dma_fence_get(f);
 564         dma_fence_put(f);
 565         return 0;
 566
 567 err:
 568         amdgpu_job_free(job);
 569         return r;
 570 }
 571
 572 /**
 573  * amdgpu_vce_cs_validate_bo - make sure not to cross 4GB boundary
 574  *
 575  * @p: parser context
 576  * @lo: address of lower dword
 577  * @hi: address of higher dword
 578  * @size: minimum size
 579  * @index: bs/fb index
 580  *
 581  * Make sure that no BO cross a 4GB boundary.
 582  */
 583 static int amdgpu_vce_validate_bo(struct amdgpu_cs_parser *p, uint32_t ib_idx,
 584                                   int lo, int hi, unsigned size, int32_t index)
 585 {
 586         int64_t offset = ((uint64_t)size) * ((int64_t)index);
 587         struct ttm_operation_ctx ctx = { false, false };
 588         struct amdgpu_bo_va_mapping *mapping;
 589         unsigned i, fpfn, lpfn;
 590         struct amdgpu_bo *bo;
 591         uint64_t addr;
 592         int r;
 593
 594         addr = ((uint64_t)amdgpu_get_ib_value(p, ib_idx, lo)) |
 595                ((uint64_t)amdgpu_get_ib_value(p, ib_idx, hi)) << 32;
 596         if (index >= 0) {
 597                 addr += offset;
 598                 fpfn = PAGE_ALIGN(offset) >> PAGE_SHIFT;
 599                 lpfn = 0x100000000ULL >> PAGE_SHIFT;
 600         } else {
 601                 fpfn = 0;
 602                 lpfn = (0x100000000ULL - PAGE_ALIGN(offset)) >> PAGE_SHIFT;
 603         }
 604
 605         r = amdgpu_cs_find_mapping(p, addr, &bo, &mapping);
 606         if (r) {
 607                 DRM_ERROR("Can't find BO for addr 0x%010Lx %d %d %d %d\n",
 608                           addr, lo, hi, size, index);
 609                 return r;
 610         }
 611
 612         for (i = 0; i < bo->placement.num_placement; ++i) {
 613                 bo->placements[i].fpfn = max(bo->placements[i].fpfn, fpfn);
 614                 bo->placements[i].lpfn = bo->placements[i].lpfn ?
 615                         min(bo->placements[i].lpfn, lpfn) : lpfn;
 616         }
 617         return ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
 618 }
 619
 620
 621 /**
 622  * amdgpu_vce_cs_reloc - command submission relocation
 623  *
 624  * @p: parser context
 625  * @lo: address of lower dword
 626  * @hi: address of higher dword
 627  * @size: minimum size
 628  *
 629  * Patch relocation inside command stream with real buffer address
 630  */
 631 static int amdgpu_vce_cs_reloc(struct amdgpu_cs_parser *p, uint32_t ib_idx,
 632                                int lo, int hi, unsigned size, uint32_t index)
 633 {
 634         struct amdgpu_bo_va_mapping *mapping;
 635         struct amdgpu_bo *bo;
 636         uint64_t addr;
 637         int r;
 638
 639         if (index == 0xffffffff)
 640                 index = 0;
 641
 642         addr = ((uint64_t)amdgpu_get_ib_value(p, ib_idx, lo)) |
 643                ((uint64_t)amdgpu_get_ib_value(p, ib_idx, hi)) << 32;
 644         addr += ((uint64_t)size) * ((uint64_t)index);
 645
 646         r = amdgpu_cs_find_mapping(p, addr, &bo, &mapping);
 647         if (r) {
 648                 DRM_ERROR("Can't find BO for addr 0x%010Lx %d %d %d %d\n",
 649                           addr, lo, hi, size, index);
 650                 return r;
 651         }
 652
 653         if ((addr + (uint64_t)size) >
 654             (mapping->last + 1) * AMDGPU_GPU_PAGE_SIZE) {
 655                 DRM_ERROR("BO too small for addr 0x%010Lx %d %d\n",
 656                           addr, lo, hi);
 657                 return -EINVAL;
 658         }
 659
 660         addr -= mapping->start * AMDGPU_GPU_PAGE_SIZE;
 661         addr += amdgpu_bo_gpu_offset(bo);
 662         addr -= ((uint64_t)size) * ((uint64_t)index);
 663
 664         amdgpu_set_ib_value(p, ib_idx, lo, lower_32_bits(addr));
 665         amdgpu_set_ib_value(p, ib_idx, hi, upper_32_bits(addr));
 666
 667         return 0;
 668 }
 669
 670 /**
 671  * amdgpu_vce_validate_handle - validate stream handle
 672  *
 673  * @p: parser context
 674  * @handle: handle to validate
 675  * @allocated: allocated a new handle?
 676  *
 677  * Validates the handle and return the found session index or -EINVAL
 678  * we we don't have another free session index.
 679  */
 680 static int amdgpu_vce_validate_handle(struct amdgpu_cs_parser *p,
 681                                       uint32_t handle, uint32_t *allocated)
 682 {
 683         unsigned i;
 684
 685         /* validate the handle */
 686         for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
 687                 if (atomic_read(&p->adev->vce.handles[i]) == handle) {
 688                         if (p->adev->vce.filp[i] != p->filp) {
 689                                 DRM_ERROR("VCE handle collision detected!\n");
 690                                 return -EINVAL;
 691                         }
 692                         return i;
 693                 }
 694         }
 695
 696         /* handle not found try to alloc a new one */
 697         for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
 698                 if (!atomic_cmpxchg(&p->adev->vce.handles[i], 0, handle)) {
 699                         p->adev->vce.filp[i] = p->filp;
 700                         p->adev->vce.img_size[i] = 0;
 701                         *allocated |= 1 << i;
 702                         return i;
 703                 }
 704         }
 705
 706         DRM_ERROR("No more free VCE handles!\n");
 707         return -EINVAL;
 708 }
 709
 710 /**
 711  * amdgpu_vce_cs_parse - parse and validate the command stream
 712  *
 713  * @p: parser context
 714  *
 715  */
 716 int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, uint32_t ib_idx)
 717 {
 718         struct amdgpu_ib *ib = &p->job->ibs[ib_idx];
 719         unsigned fb_idx = 0, bs_idx = 0;
 720         int session_idx = -1;
 721         uint32_t destroyed = 0;
 722         uint32_t created = 0;
 723         uint32_t allocated = 0;
 724         uint32_t tmp, handle = 0;
 725         uint32_t *size = &tmp;
 726         unsigned idx;
 727         int i, r = 0;
 728
 729         p->job->vm = NULL;
 730         ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo);
 731
 732         for (idx = 0; idx < ib->length_dw;) {
 733                 uint32_t len = amdgpu_get_ib_value(p, ib_idx, idx);
 734                 uint32_t cmd = amdgpu_get_ib_value(p, ib_idx, idx + 1);
 735
 736                 if ((len < 8) || (len & 3)) {
 737                         DRM_ERROR("invalid VCE command length (%d)!\n", len);
 738                         r = -EINVAL;
 739                         goto out;
 740                 }
 741
 742                 switch (cmd) {
 743                 case 0x00000002: /* task info */
 744                         fb_idx = amdgpu_get_ib_value(p, ib_idx, idx + 6);
 745                         bs_idx = amdgpu_get_ib_value(p, ib_idx, idx + 7);
 746                         break;
 747
 748                 case 0x03000001: /* encode */
 749                         r = amdgpu_vce_validate_bo(p, ib_idx, idx + 10,
 750                                                    idx + 9, 0, 0);
 751                         if (r)
 752                                 goto out;
 753
 754                         r = amdgpu_vce_validate_bo(p, ib_idx, idx + 12,
 755                                                    idx + 11, 0, 0);
 756                         if (r)
 757                                 goto out;
 758                         break;
 759
 760                 case 0x05000001: /* context buffer */
 761                         r = amdgpu_vce_validate_bo(p, ib_idx, idx + 3,
 762                                                    idx + 2, 0, 0);
 763                         if (r)
 764                                 goto out;
 765                         break;
 766
 767                 case 0x05000004: /* video bitstream buffer */
 768                         tmp = amdgpu_get_ib_value(p, ib_idx, idx + 4);
 769                         r = amdgpu_vce_validate_bo(p, ib_idx, idx + 3, idx + 2,
 770                                                    tmp, bs_idx);
 771                         if (r)
 772                                 goto out;
 773                         break;
 774
 775                 case 0x05000005: /* feedback buffer */
 776                         r = amdgpu_vce_validate_bo(p, ib_idx, idx + 3, idx + 2,
 777                                                    4096, fb_idx);
 778                         if (r)
 779                                 goto out;
 780                         break;
 781
 782                 case 0x0500000d: /* MV buffer */
 783                         r = amdgpu_vce_validate_bo(p, ib_idx, idx + 3,
 784                                                         idx + 2, 0, 0);
 785                         if (r)
 786                                 goto out;
 787
 788                         r = amdgpu_vce_validate_bo(p, ib_idx, idx + 8,
 789                                                         idx + 7, 0, 0);
 790                         if (r)
 791                                 goto out;
 792                         break;
 793                 }
 794
 795                 idx += len / 4;
 796         }
 797
 798         for (idx = 0; idx < ib->length_dw;) {
 799                 uint32_t len = amdgpu_get_ib_value(p, ib_idx, idx);
 800                 uint32_t cmd = amdgpu_get_ib_value(p, ib_idx, idx + 1);
 801
 802                 switch (cmd) {
 803                 case 0x00000001: /* session */
 804                         handle = amdgpu_get_ib_value(p, ib_idx, idx + 2);
 805                         session_idx = amdgpu_vce_validate_handle(p, handle,
 806                                                                  &allocated);
 807                         if (session_idx < 0) {
 808                                 r = session_idx;
 809                                 goto out;
 810                         }
 811                         size = &p->adev->vce.img_size[session_idx];
 812                         break;
 813
 814                 case 0x00000002: /* task info */
 815                         fb_idx = amdgpu_get_ib_value(p, ib_idx, idx + 6);
 816                         bs_idx = amdgpu_get_ib_value(p, ib_idx, idx + 7);
 817                         break;
 818
 819                 case 0x01000001: /* create */
 820                         created |= 1 << session_idx;
 821                         if (destroyed & (1 << session_idx)) {
 822                                 destroyed &= ~(1 << session_idx);
 823                                 allocated |= 1 << session_idx;
 824
 825                         } else if (!(allocated & (1 << session_idx))) {
 826                                 DRM_ERROR("Handle already in use!\n");
 827                                 r = -EINVAL;
 828                                 goto out;
 829                         }
 830
 831                         *size = amdgpu_get_ib_value(p, ib_idx, idx + 8) *
 832                                 amdgpu_get_ib_value(p, ib_idx, idx + 10) *
 833                                 8 * 3 / 2;
 834                         break;
 835
 836                 case 0x04000001: /* config extension */
 837                 case 0x04000002: /* pic control */
 838                 case 0x04000005: /* rate control */
 839                 case 0x04000007: /* motion estimation */
 840                 case 0x04000008: /* rdo */
 841                 case 0x04000009: /* vui */
 842                 case 0x05000002: /* auxiliary buffer */
 843                 case 0x05000009: /* clock table */
 844                         break;
 845
 846                 case 0x0500000c: /* hw config */
 847                         switch (p->adev->asic_type) {
 848 #ifdef CONFIG_DRM_AMDGPU_CIK
 849                         case CHIP_KAVERI:
 850                         case CHIP_MULLINS:
 851 #endif
 852                         case CHIP_CARRIZO:
 853                                 break;
 854                         default:
 855                                 r = -EINVAL;
 856                                 goto out;
 857                         }
 858                         break;
 859
 860                 case 0x03000001: /* encode */
 861                         r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 10, idx + 9,
 862                                                 *size, 0);
 863                         if (r)
 864                                 goto out;
 865
 866                         r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 12, idx + 11,
 867                                                 *size / 3, 0);
 868                         if (r)
 869                                 goto out;
 870                         break;
 871
 872                 case 0x02000001: /* destroy */
 873                         destroyed |= 1 << session_idx;
 874                         break;
 875
 876                 case 0x05000001: /* context buffer */
 877                         r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2,
 878                                                 *size * 2, 0);
 879                         if (r)
 880                                 goto out;
 881                         break;
 882
 883                 case 0x05000004: /* video bitstream buffer */
 884                         tmp = amdgpu_get_ib_value(p, ib_idx, idx + 4);
 885                         r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2,
 886                                                 tmp, bs_idx);
 887                         if (r)
 888                                 goto out;
 889                         break;
 890
 891                 case 0x05000005: /* feedback buffer */
 892                         r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2,
 893                                                 4096, fb_idx);
 894                         if (r)
 895                                 goto out;
 896                         break;
 897
 898                 case 0x0500000d: /* MV buffer */
 899                         r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3,
 900                                                         idx + 2, *size, 0);
 901                         if (r)
 902                                 goto out;
 903
 904                         r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 8,
 905                                                         idx + 7, *size / 12, 0);
 906                         if (r)
 907                                 goto out;
 908                         break;
 909
 910                 default:
 911                         DRM_ERROR("invalid VCE command (0x%x)!\n", cmd);
 912                         r = -EINVAL;
 913                         goto out;
 914                 }
 915
 916                 if (session_idx == -1) {
 917                         DRM_ERROR("no session command at start of IB\n");
 918                         r = -EINVAL;
 919                         goto out;
 920                 }
 921
 922                 idx += len / 4;
 923         }
 924
 925         if (allocated & ~created) {
 926                 DRM_ERROR("New session without create command!\n");
 927                 r = -ENOENT;
 928         }
 929
 930 out:
 931         if (!r) {
 932                 /* No error, free all destroyed handle slots */
 933                 tmp = destroyed;
 934         } else {
 935                 /* Error during parsing, free all allocated handle slots */
 936                 tmp = allocated;
 937         }
 938
 939         for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i)
 940                 if (tmp & (1 << i))
 941                         atomic_set(&p->adev->vce.handles[i], 0);
 942
 943         return r;
 944 }
 945
 946 /**
 947  * amdgpu_vce_cs_parse_vm - parse the command stream in VM mode
 948  *
 949  * @p: parser context
 950  *
 951  */
 952 int amdgpu_vce_ring_parse_cs_vm(struct amdgpu_cs_parser *p, uint32_t ib_idx)
 953 {
 954         struct amdgpu_ib *ib = &p->job->ibs[ib_idx];
 955         int session_idx = -1;
 956         uint32_t destroyed = 0;
 957         uint32_t created = 0;
 958         uint32_t allocated = 0;
 959         uint32_t tmp, handle = 0;
 960         int i, r = 0, idx = 0;
 961
 962         while (idx < ib->length_dw) {
 963                 uint32_t len = amdgpu_get_ib_value(p, ib_idx, idx);
 964                 uint32_t cmd = amdgpu_get_ib_value(p, ib_idx, idx + 1);
 965
 966                 if ((len < 8) || (len & 3)) {
 967                         DRM_ERROR("invalid VCE command length (%d)!\n", len);
 968                         r = -EINVAL;
 969                         goto out;
 970                 }
 971
 972                 switch (cmd) {
 973                 case 0x00000001: /* session */
 974                         handle = amdgpu_get_ib_value(p, ib_idx, idx + 2);
 975                         session_idx = amdgpu_vce_validate_handle(p, handle,
 976                                                                  &allocated);
 977                         if (session_idx < 0) {
 978                                 r = session_idx;
 979                                 goto out;
 980                         }
 981                         break;
 982
 983                 case 0x01000001: /* create */
 984                         created |= 1 << session_idx;
 985                         if (destroyed & (1 << session_idx)) {
 986                                 destroyed &= ~(1 << session_idx);
 987                                 allocated |= 1 << session_idx;
 988
 989                         } else if (!(allocated & (1 << session_idx))) {
 990                                 DRM_ERROR("Handle already in use!\n");
 991                                 r = -EINVAL;
 992                                 goto out;
 993                         }
 994
 995                         break;
 996
 997                 case 0x02000001: /* destroy */
 998                         destroyed |= 1 << session_idx;
 999                         break;
1000
1001                 default:
1002                         break;
1003                 }
1004
1005                 if (session_idx == -1) {
1006                         DRM_ERROR("no session command at start of IB\n");
1007                         r = -EINVAL;
1008                         goto out;
1009                 }
1010
1011                 idx += len / 4;
1012         }
1013
1014         if (allocated & ~created) {
1015                 DRM_ERROR("New session without create command!\n");
1016                 r = -ENOENT;
1017         }
1018
1019 out:
1020         if (!r) {
1021                 /* No error, free all destroyed handle slots */
1022                 tmp = destroyed;
1023                 amdgpu_ib_free(p->adev, ib, NULL);
1024         } else {
1025                 /* Error during parsing, free all allocated handle slots */
1026                 tmp = allocated;
1027         }
1028
1029         for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i)
1030                 if (tmp & (1 << i))
1031                         atomic_set(&p->adev->vce.handles[i], 0);
1032
1033         return r;
1034 }
1035
1036 /**
1037  * amdgpu_vce_ring_emit_ib - execute indirect buffer
1038  *
1039  * @ring: engine to use
1040  * @ib: the IB to execute
1041  *
1042  */
1043 void amdgpu_vce_ring_emit_ib(struct amdgpu_ring *ring,
1044                                 struct amdgpu_job *job,
1045                                 struct amdgpu_ib *ib,
1046                                 uint32_t flags)
1047 {
1048         amdgpu_ring_write(ring, VCE_CMD_IB);
1049         amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1050         amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1051         amdgpu_ring_write(ring, ib->length_dw);
1052 }
1053
1054 /**
1055  * amdgpu_vce_ring_emit_fence - add a fence command to the ring
1056  *
1057  * @ring: engine to use
1058  * @fence: the fence
1059  *
1060  */
1061 void amdgpu_vce_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
1062                                 unsigned flags)
1063 {
1064         WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1065
1066         amdgpu_ring_write(ring, VCE_CMD_FENCE);
1067         amdgpu_ring_write(ring, addr);
1068         amdgpu_ring_write(ring, upper_32_bits(addr));
1069         amdgpu_ring_write(ring, seq);
1070         amdgpu_ring_write(ring, VCE_CMD_TRAP);
1071         amdgpu_ring_write(ring, VCE_CMD_END);
1072 }
1073
1074 /**
1075  * amdgpu_vce_ring_test_ring - test if VCE ring is working
1076  *
1077  * @ring: the engine to test on
1078  *
1079  */
1080 int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring)
1081 {
1082         struct amdgpu_device *adev = ring->adev;
1083         uint32_t rptr;
1084         unsigned i;
1085         int r, timeout = adev->usec_timeout;
1086
1087         /* skip ring test for sriov*/
1088         if (amdgpu_sriov_vf(adev))
1089                 return 0;
1090
1091         r = amdgpu_ring_alloc(ring, 16);
1092         if (r)
1093                 return r;
1094
1095         rptr = amdgpu_ring_get_rptr(ring);
1096
1097         amdgpu_ring_write(ring, VCE_CMD_END);
1098         amdgpu_ring_commit(ring);
1099
1100         for (i = 0; i < timeout; i++) {
1101                 if (amdgpu_ring_get_rptr(ring) != rptr)
1102                         break;
1103                 udelay(1);
1104         }
1105
1106         if (i >= timeout)
1107                 r = -ETIMEDOUT;
1108
1109         return r;
1110 }
1111
1112 /**
1113  * amdgpu_vce_ring_test_ib - test if VCE IBs are working
1114  *
1115  * @ring: the engine to test on
1116  *
1117  */
1118 int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout)
1119 {
1120         struct dma_fence *fence = NULL;
1121         struct amdgpu_bo *bo = NULL;
1122         long r;
1123
1124         /* skip vce ring1/2 ib test for now, since it's not reliable */
1125         if (ring != &ring->adev->vce.ring[0])
1126                 return 0;
1127
1128         r = amdgpu_bo_create_reserved(ring->adev, 512, PAGE_SIZE,
1129                                       AMDGPU_GEM_DOMAIN_VRAM,
1130                                       &bo, NULL, NULL);
1131         if (r)
1132                 return r;
1133
1134         r = amdgpu_vce_get_create_msg(ring, 1, bo, NULL);
1135         if (r)
1136                 goto error;
1137
1138         r = amdgpu_vce_get_destroy_msg(ring, 1, true, &fence);
1139         if (r)
1140                 goto error;
1141
1142         r = dma_fence_wait_timeout(fence, false, timeout);
1143         if (r == 0)
1144                 r = -ETIMEDOUT;
1145         else if (r > 0)
1146                 r = 0;
1147
1148 error:
1149         dma_fence_put(fence);
1150         amdgpu_bo_unreserve(bo);
1151         amdgpu_bo_unref(&bo);
1152         return r;
1153 }