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