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

DEFINITIONS

1. amdgpu_vce_sw_init
2. amdgpu_vce_sw_fini
3. amdgpu_vce_entity_init
4. amdgpu_vce_suspend
5. amdgpu_vce_resume
6. amdgpu_vce_idle_work_handler
7. amdgpu_vce_ring_begin_use
8. amdgpu_vce_ring_end_use
9. amdgpu_vce_free_handles
10. amdgpu_vce_get_create_msg
11. amdgpu_vce_get_destroy_msg
12. amdgpu_vce_validate_bo
13. amdgpu_vce_cs_reloc
14. amdgpu_vce_validate_handle
15. amdgpu_vce_ring_parse_cs
16. amdgpu_vce_ring_parse_cs_vm
17. amdgpu_vce_ring_emit_ib
18. amdgpu_vce_ring_emit_fence
19. amdgpu_vce_ring_test_ring
20. amdgpu_vce_ring_test_ib

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