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

   1 /*
   2  * Copyright 2015 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Authors: monk liu <monk.liu@amd.com>
  23  */
  24
  25 #include <drm/drm_auth.h>
  26 #include "amdgpu.h"
  27 #include "amdgpu_sched.h"
  28 #include "amdgpu_ras.h"
  29
  30 #define to_amdgpu_ctx_entity(e) \
  31         container_of((e), struct amdgpu_ctx_entity, entity)
  32
  33 const unsigned int amdgpu_ctx_num_entities[AMDGPU_HW_IP_NUM] = {
  34         [AMDGPU_HW_IP_GFX]      =       1,
  35         [AMDGPU_HW_IP_COMPUTE]  =       4,
  36         [AMDGPU_HW_IP_DMA]      =       2,
  37         [AMDGPU_HW_IP_UVD]      =       1,
  38         [AMDGPU_HW_IP_VCE]      =       1,
  39         [AMDGPU_HW_IP_UVD_ENC]  =       1,
  40         [AMDGPU_HW_IP_VCN_DEC]  =       1,
  41         [AMDGPU_HW_IP_VCN_ENC]  =       1,
  42         [AMDGPU_HW_IP_VCN_JPEG] =       1,
  43 };
  44
  45 static int amdgpu_ctx_total_num_entities(void)
  46 {
  47         unsigned i, num_entities = 0;
  48
  49         for (i = 0; i < AMDGPU_HW_IP_NUM; ++i)
  50                 num_entities += amdgpu_ctx_num_entities[i];
  51
  52         return num_entities;
  53 }
  54
  55 static int amdgpu_ctx_priority_permit(struct drm_file *filp,
  56                                       enum drm_sched_priority priority)
  57 {
  58         /* NORMAL and below are accessible by everyone */
  59         if (priority <= DRM_SCHED_PRIORITY_NORMAL)
  60                 return 0;
  61
  62         if (capable(CAP_SYS_NICE))
  63                 return 0;
  64
  65         if (drm_is_current_master(filp))
  66                 return 0;
  67
  68         return -EACCES;
  69 }
  70
  71 static int amdgpu_ctx_init(struct amdgpu_device *adev,
  72                            enum drm_sched_priority priority,
  73                            struct drm_file *filp,
  74                            struct amdgpu_ctx *ctx)
  75 {
  76         unsigned num_entities = amdgpu_ctx_total_num_entities();
  77         unsigned i, j;
  78         int r;
  79
  80         if (priority < 0 || priority >= DRM_SCHED_PRIORITY_MAX)
  81                 return -EINVAL;
  82
  83         r = amdgpu_ctx_priority_permit(filp, priority);
  84         if (r)
  85                 return r;
  86
  87         memset(ctx, 0, sizeof(*ctx));
  88         ctx->adev = adev;
  89
  90         ctx->fences = kcalloc(amdgpu_sched_jobs * num_entities,
  91                               sizeof(struct dma_fence*), GFP_KERNEL);
  92         if (!ctx->fences)
  93                 return -ENOMEM;
  94
  95         ctx->entities[0] = kcalloc(num_entities,
  96                                    sizeof(struct amdgpu_ctx_entity),
  97                                    GFP_KERNEL);
  98         if (!ctx->entities[0]) {
  99                 r = -ENOMEM;
 100                 goto error_free_fences;
 101         }
 102
 103         for (i = 0; i < num_entities; ++i) {
 104                 struct amdgpu_ctx_entity *entity = &ctx->entities[0][i];
 105
 106                 entity->sequence = 1;
 107                 entity->fences = &ctx->fences[amdgpu_sched_jobs * i];
 108         }
 109         for (i = 1; i < AMDGPU_HW_IP_NUM; ++i)
 110                 ctx->entities[i] = ctx->entities[i - 1] +
 111                         amdgpu_ctx_num_entities[i - 1];
 112
 113         kref_init(&ctx->refcount);
 114         spin_lock_init(&ctx->ring_lock);
 115         mutex_init(&ctx->lock);
 116
 117         ctx->reset_counter = atomic_read(&adev->gpu_reset_counter);
 118         ctx->reset_counter_query = ctx->reset_counter;
 119         ctx->vram_lost_counter = atomic_read(&adev->vram_lost_counter);
 120         ctx->init_priority = priority;
 121         ctx->override_priority = DRM_SCHED_PRIORITY_UNSET;
 122
 123         for (i = 0; i < AMDGPU_HW_IP_NUM; ++i) {
 124                 struct drm_gpu_scheduler **scheds;
 125                 struct drm_gpu_scheduler *sched;
 126                 unsigned num_scheds = 0;
 127
 128                 switch (i) {
 129                 case AMDGPU_HW_IP_GFX:
 130                         sched = &adev->gfx.gfx_ring[0].sched;
 131                         scheds = &sched;
 132                         num_scheds = 1;
 133                         break;
 134                 case AMDGPU_HW_IP_COMPUTE:
 135                         scheds = adev->gfx.compute_sched;
 136                         num_scheds = adev->gfx.num_compute_sched;
 137                         break;
 138                 case AMDGPU_HW_IP_DMA:
 139                         scheds = adev->sdma.sdma_sched;
 140                         num_scheds = adev->sdma.num_sdma_sched;
 141                         break;
 142                 case AMDGPU_HW_IP_UVD:
 143                         sched = &adev->uvd.inst[0].ring.sched;
 144                         scheds = &sched;
 145                         num_scheds = 1;
 146                         break;
 147                 case AMDGPU_HW_IP_VCE:
 148                         sched = &adev->vce.ring[0].sched;
 149                         scheds = &sched;
 150                         num_scheds = 1;
 151                         break;
 152                 case AMDGPU_HW_IP_UVD_ENC:
 153                         sched = &adev->uvd.inst[0].ring_enc[0].sched;
 154                         scheds = &sched;
 155                         num_scheds = 1;
 156                         break;
 157                 case AMDGPU_HW_IP_VCN_DEC:
 158                         scheds = adev->vcn.vcn_dec_sched;
 159                         num_scheds =  adev->vcn.num_vcn_dec_sched;
 160                         break;
 161                 case AMDGPU_HW_IP_VCN_ENC:
 162                         scheds = adev->vcn.vcn_enc_sched;
 163                         num_scheds =  adev->vcn.num_vcn_enc_sched;
 164                         break;
 165                 case AMDGPU_HW_IP_VCN_JPEG:
 166                         scheds = adev->jpeg.jpeg_sched;
 167                         num_scheds =  adev->jpeg.num_jpeg_sched;
 168                         break;
 169                 }
 170
 171                 for (j = 0; j < amdgpu_ctx_num_entities[i]; ++j)
 172                         r = drm_sched_entity_init(&ctx->entities[i][j].entity,
 173                                                   priority, scheds,
 174                                                   num_scheds, &ctx->guilty);
 175                 if (r)
 176                         goto error_cleanup_entities;
 177         }
 178
 179         return 0;
 180
 181 error_cleanup_entities:
 182         for (i = 0; i < num_entities; ++i)
 183                 drm_sched_entity_destroy(&ctx->entities[0][i].entity);
 184         kfree(ctx->entities[0]);
 185
 186 error_free_fences:
 187         kfree(ctx->fences);
 188         ctx->fences = NULL;
 189         return r;
 190 }
 191
 192 static void amdgpu_ctx_fini(struct kref *ref)
 193 {
 194         struct amdgpu_ctx *ctx = container_of(ref, struct amdgpu_ctx, refcount);
 195         unsigned num_entities = amdgpu_ctx_total_num_entities();
 196         struct amdgpu_device *adev = ctx->adev;
 197         unsigned i, j;
 198
 199         if (!adev)
 200                 return;
 201
 202         for (i = 0; i < num_entities; ++i)
 203                 for (j = 0; j < amdgpu_sched_jobs; ++j)
 204                         dma_fence_put(ctx->entities[0][i].fences[j]);
 205         kfree(ctx->fences);
 206         kfree(ctx->entities[0]);
 207
 208         mutex_destroy(&ctx->lock);
 209
 210         kfree(ctx);
 211 }
 212
 213 int amdgpu_ctx_get_entity(struct amdgpu_ctx *ctx, u32 hw_ip, u32 instance,
 214                           u32 ring, struct drm_sched_entity **entity)
 215 {
 216         if (hw_ip >= AMDGPU_HW_IP_NUM) {
 217                 DRM_ERROR("unknown HW IP type: %d\n", hw_ip);
 218                 return -EINVAL;
 219         }
 220
 221         /* Right now all IPs have only one instance - multiple rings. */
 222         if (instance != 0) {
 223                 DRM_DEBUG("invalid ip instance: %d\n", instance);
 224                 return -EINVAL;
 225         }
 226
 227         if (ring >= amdgpu_ctx_num_entities[hw_ip]) {
 228                 DRM_DEBUG("invalid ring: %d %d\n", hw_ip, ring);
 229                 return -EINVAL;
 230         }
 231
 232         *entity = &ctx->entities[hw_ip][ring].entity;
 233         return 0;
 234 }
 235
 236 static int amdgpu_ctx_alloc(struct amdgpu_device *adev,
 237                             struct amdgpu_fpriv *fpriv,
 238                             struct drm_file *filp,
 239                             enum drm_sched_priority priority,
 240                             uint32_t *id)
 241 {
 242         struct amdgpu_ctx_mgr *mgr = &fpriv->ctx_mgr;
 243         struct amdgpu_ctx *ctx;
 244         int r;
 245
 246         ctx = kmalloc(sizeof(*ctx), GFP_KERNEL);
 247         if (!ctx)
 248                 return -ENOMEM;
 249
 250         mutex_lock(&mgr->lock);
 251         r = idr_alloc(&mgr->ctx_handles, ctx, 1, AMDGPU_VM_MAX_NUM_CTX, GFP_KERNEL);
 252         if (r < 0) {
 253                 mutex_unlock(&mgr->lock);
 254                 kfree(ctx);
 255                 return r;
 256         }
 257
 258         *id = (uint32_t)r;
 259         r = amdgpu_ctx_init(adev, priority, filp, ctx);
 260         if (r) {
 261                 idr_remove(&mgr->ctx_handles, *id);
 262                 *id = 0;
 263                 kfree(ctx);
 264         }
 265         mutex_unlock(&mgr->lock);
 266         return r;
 267 }
 268
 269 static void amdgpu_ctx_do_release(struct kref *ref)
 270 {
 271         struct amdgpu_ctx *ctx;
 272         unsigned num_entities;
 273         u32 i;
 274
 275         ctx = container_of(ref, struct amdgpu_ctx, refcount);
 276
 277         num_entities = amdgpu_ctx_total_num_entities();
 278         for (i = 0; i < num_entities; i++)
 279                 drm_sched_entity_destroy(&ctx->entities[0][i].entity);
 280
 281         amdgpu_ctx_fini(ref);
 282 }
 283
 284 static int amdgpu_ctx_free(struct amdgpu_fpriv *fpriv, uint32_t id)
 285 {
 286         struct amdgpu_ctx_mgr *mgr = &fpriv->ctx_mgr;
 287         struct amdgpu_ctx *ctx;
 288
 289         mutex_lock(&mgr->lock);
 290         ctx = idr_remove(&mgr->ctx_handles, id);
 291         if (ctx)
 292                 kref_put(&ctx->refcount, amdgpu_ctx_do_release);
 293         mutex_unlock(&mgr->lock);
 294         return ctx ? 0 : -EINVAL;
 295 }
 296
 297 static int amdgpu_ctx_query(struct amdgpu_device *adev,
 298                             struct amdgpu_fpriv *fpriv, uint32_t id,
 299                             union drm_amdgpu_ctx_out *out)
 300 {
 301         struct amdgpu_ctx *ctx;
 302         struct amdgpu_ctx_mgr *mgr;
 303         unsigned reset_counter;
 304
 305         if (!fpriv)
 306                 return -EINVAL;
 307
 308         mgr = &fpriv->ctx_mgr;
 309         mutex_lock(&mgr->lock);
 310         ctx = idr_find(&mgr->ctx_handles, id);
 311         if (!ctx) {
 312                 mutex_unlock(&mgr->lock);
 313                 return -EINVAL;
 314         }
 315
 316         /* TODO: these two are always zero */
 317         out->state.flags = 0x0;
 318         out->state.hangs = 0x0;
 319
 320         /* determine if a GPU reset has occured since the last call */
 321         reset_counter = atomic_read(&adev->gpu_reset_counter);
 322         /* TODO: this should ideally return NO, GUILTY, or INNOCENT. */
 323         if (ctx->reset_counter_query == reset_counter)
 324                 out->state.reset_status = AMDGPU_CTX_NO_RESET;
 325         else
 326                 out->state.reset_status = AMDGPU_CTX_UNKNOWN_RESET;
 327         ctx->reset_counter_query = reset_counter;
 328
 329         mutex_unlock(&mgr->lock);
 330         return 0;
 331 }
 332
 333 static int amdgpu_ctx_query2(struct amdgpu_device *adev,
 334         struct amdgpu_fpriv *fpriv, uint32_t id,
 335         union drm_amdgpu_ctx_out *out)
 336 {
 337         struct amdgpu_ctx *ctx;
 338         struct amdgpu_ctx_mgr *mgr;
 339         unsigned long ras_counter;
 340
 341         if (!fpriv)
 342                 return -EINVAL;
 343
 344         mgr = &fpriv->ctx_mgr;
 345         mutex_lock(&mgr->lock);
 346         ctx = idr_find(&mgr->ctx_handles, id);
 347         if (!ctx) {
 348                 mutex_unlock(&mgr->lock);
 349                 return -EINVAL;
 350         }
 351
 352         out->state.flags = 0x0;
 353         out->state.hangs = 0x0;
 354
 355         if (ctx->reset_counter != atomic_read(&adev->gpu_reset_counter))
 356                 out->state.flags |= AMDGPU_CTX_QUERY2_FLAGS_RESET;
 357
 358         if (ctx->vram_lost_counter != atomic_read(&adev->vram_lost_counter))
 359                 out->state.flags |= AMDGPU_CTX_QUERY2_FLAGS_VRAMLOST;
 360
 361         if (atomic_read(&ctx->guilty))
 362                 out->state.flags |= AMDGPU_CTX_QUERY2_FLAGS_GUILTY;
 363
 364         /*query ue count*/
 365         ras_counter = amdgpu_ras_query_error_count(adev, false);
 366         /*ras counter is monotonic increasing*/
 367         if (ras_counter != ctx->ras_counter_ue) {
 368                 out->state.flags |= AMDGPU_CTX_QUERY2_FLAGS_RAS_UE;
 369                 ctx->ras_counter_ue = ras_counter;
 370         }
 371
 372         /*query ce count*/
 373         ras_counter = amdgpu_ras_query_error_count(adev, true);
 374         if (ras_counter != ctx->ras_counter_ce) {
 375                 out->state.flags |= AMDGPU_CTX_QUERY2_FLAGS_RAS_CE;
 376                 ctx->ras_counter_ce = ras_counter;
 377         }
 378
 379         mutex_unlock(&mgr->lock);
 380         return 0;
 381 }
 382
 383 int amdgpu_ctx_ioctl(struct drm_device *dev, void *data,
 384                      struct drm_file *filp)
 385 {
 386         int r;
 387         uint32_t id;
 388         enum drm_sched_priority priority;
 389
 390         union drm_amdgpu_ctx *args = data;
 391         struct amdgpu_device *adev = dev->dev_private;
 392         struct amdgpu_fpriv *fpriv = filp->driver_priv;
 393
 394         r = 0;
 395         id = args->in.ctx_id;
 396         priority = amdgpu_to_sched_priority(args->in.priority);
 397
 398         /* For backwards compatibility reasons, we need to accept
 399          * ioctls with garbage in the priority field */
 400         if (priority == DRM_SCHED_PRIORITY_INVALID)
 401                 priority = DRM_SCHED_PRIORITY_NORMAL;
 402
 403         switch (args->in.op) {
 404         case AMDGPU_CTX_OP_ALLOC_CTX:
 405                 r = amdgpu_ctx_alloc(adev, fpriv, filp, priority, &id);
 406                 args->out.alloc.ctx_id = id;
 407                 break;
 408         case AMDGPU_CTX_OP_FREE_CTX:
 409                 r = amdgpu_ctx_free(fpriv, id);
 410                 break;
 411         case AMDGPU_CTX_OP_QUERY_STATE:
 412                 r = amdgpu_ctx_query(adev, fpriv, id, &args->out);
 413                 break;
 414         case AMDGPU_CTX_OP_QUERY_STATE2:
 415                 r = amdgpu_ctx_query2(adev, fpriv, id, &args->out);
 416                 break;
 417         default:
 418                 return -EINVAL;
 419         }
 420
 421         return r;
 422 }
 423
 424 struct amdgpu_ctx *amdgpu_ctx_get(struct amdgpu_fpriv *fpriv, uint32_t id)
 425 {
 426         struct amdgpu_ctx *ctx;
 427         struct amdgpu_ctx_mgr *mgr;
 428
 429         if (!fpriv)
 430                 return NULL;
 431
 432         mgr = &fpriv->ctx_mgr;
 433
 434         mutex_lock(&mgr->lock);
 435         ctx = idr_find(&mgr->ctx_handles, id);
 436         if (ctx)
 437                 kref_get(&ctx->refcount);
 438         mutex_unlock(&mgr->lock);
 439         return ctx;
 440 }
 441
 442 int amdgpu_ctx_put(struct amdgpu_ctx *ctx)
 443 {
 444         if (ctx == NULL)
 445                 return -EINVAL;
 446
 447         kref_put(&ctx->refcount, amdgpu_ctx_do_release);
 448         return 0;
 449 }
 450
 451 void amdgpu_ctx_add_fence(struct amdgpu_ctx *ctx,
 452                           struct drm_sched_entity *entity,
 453                           struct dma_fence *fence, uint64_t* handle)
 454 {
 455         struct amdgpu_ctx_entity *centity = to_amdgpu_ctx_entity(entity);
 456         uint64_t seq = centity->sequence;
 457         struct dma_fence *other = NULL;
 458         unsigned idx = 0;
 459
 460         idx = seq & (amdgpu_sched_jobs - 1);
 461         other = centity->fences[idx];
 462         if (other)
 463                 BUG_ON(!dma_fence_is_signaled(other));
 464
 465         dma_fence_get(fence);
 466
 467         spin_lock(&ctx->ring_lock);
 468         centity->fences[idx] = fence;
 469         centity->sequence++;
 470         spin_unlock(&ctx->ring_lock);
 471
 472         dma_fence_put(other);
 473         if (handle)
 474                 *handle = seq;
 475 }
 476
 477 struct dma_fence *amdgpu_ctx_get_fence(struct amdgpu_ctx *ctx,
 478                                        struct drm_sched_entity *entity,
 479                                        uint64_t seq)
 480 {
 481         struct amdgpu_ctx_entity *centity = to_amdgpu_ctx_entity(entity);
 482         struct dma_fence *fence;
 483
 484         spin_lock(&ctx->ring_lock);
 485
 486         if (seq == ~0ull)
 487                 seq = centity->sequence - 1;
 488
 489         if (seq >= centity->sequence) {
 490                 spin_unlock(&ctx->ring_lock);
 491                 return ERR_PTR(-EINVAL);
 492         }
 493
 494
 495         if (seq + amdgpu_sched_jobs < centity->sequence) {
 496                 spin_unlock(&ctx->ring_lock);
 497                 return NULL;
 498         }
 499
 500         fence = dma_fence_get(centity->fences[seq & (amdgpu_sched_jobs - 1)]);
 501         spin_unlock(&ctx->ring_lock);
 502
 503         return fence;
 504 }
 505
 506 void amdgpu_ctx_priority_override(struct amdgpu_ctx *ctx,
 507                                   enum drm_sched_priority priority)
 508 {
 509         unsigned num_entities = amdgpu_ctx_total_num_entities();
 510         enum drm_sched_priority ctx_prio;
 511         unsigned i;
 512
 513         ctx->override_priority = priority;
 514
 515         ctx_prio = (ctx->override_priority == DRM_SCHED_PRIORITY_UNSET) ?
 516                         ctx->init_priority : ctx->override_priority;
 517
 518         for (i = 0; i < num_entities; i++) {
 519                 struct drm_sched_entity *entity = &ctx->entities[0][i].entity;
 520
 521                 drm_sched_entity_set_priority(entity, ctx_prio);
 522         }
 523 }
 524
 525 int amdgpu_ctx_wait_prev_fence(struct amdgpu_ctx *ctx,
 526                                struct drm_sched_entity *entity)
 527 {
 528         struct amdgpu_ctx_entity *centity = to_amdgpu_ctx_entity(entity);
 529         struct dma_fence *other;
 530         unsigned idx;
 531         long r;
 532
 533         spin_lock(&ctx->ring_lock);
 534         idx = centity->sequence & (amdgpu_sched_jobs - 1);
 535         other = dma_fence_get(centity->fences[idx]);
 536         spin_unlock(&ctx->ring_lock);
 537
 538         if (!other)
 539                 return 0;
 540
 541         r = dma_fence_wait(other, true);
 542         if (r < 0 && r != -ERESTARTSYS)
 543                 DRM_ERROR("Error (%ld) waiting for fence!\n", r);
 544
 545         dma_fence_put(other);
 546         return r;
 547 }
 548
 549 void amdgpu_ctx_mgr_init(struct amdgpu_ctx_mgr *mgr)
 550 {
 551         mutex_init(&mgr->lock);
 552         idr_init(&mgr->ctx_handles);
 553 }
 554
 555 long amdgpu_ctx_mgr_entity_flush(struct amdgpu_ctx_mgr *mgr, long timeout)
 556 {
 557         unsigned num_entities = amdgpu_ctx_total_num_entities();
 558         struct amdgpu_ctx *ctx;
 559         struct idr *idp;
 560         uint32_t id, i;
 561
 562         idp = &mgr->ctx_handles;
 563
 564         mutex_lock(&mgr->lock);
 565         idr_for_each_entry(idp, ctx, id) {
 566                 for (i = 0; i < num_entities; i++) {
 567                         struct drm_sched_entity *entity;
 568
 569                         entity = &ctx->entities[0][i].entity;
 570                         timeout = drm_sched_entity_flush(entity, timeout);
 571                 }
 572         }
 573         mutex_unlock(&mgr->lock);
 574         return timeout;
 575 }
 576
 577 void amdgpu_ctx_mgr_entity_fini(struct amdgpu_ctx_mgr *mgr)
 578 {
 579         unsigned num_entities = amdgpu_ctx_total_num_entities();
 580         struct amdgpu_ctx *ctx;
 581         struct idr *idp;
 582         uint32_t id, i;
 583
 584         idp = &mgr->ctx_handles;
 585
 586         idr_for_each_entry(idp, ctx, id) {
 587                 if (kref_read(&ctx->refcount) != 1) {
 588                         DRM_ERROR("ctx %p is still alive\n", ctx);
 589                         continue;
 590                 }
 591
 592                 for (i = 0; i < num_entities; i++)
 593                         drm_sched_entity_fini(&ctx->entities[0][i].entity);
 594         }
 595 }
 596
 597 void amdgpu_ctx_mgr_fini(struct amdgpu_ctx_mgr *mgr)
 598 {
 599         struct amdgpu_ctx *ctx;
 600         struct idr *idp;
 601         uint32_t id;
 602
 603         amdgpu_ctx_mgr_entity_fini(mgr);
 604
 605         idp = &mgr->ctx_handles;
 606
 607         idr_for_each_entry(idp, ctx, id) {
 608                 if (kref_put(&ctx->refcount, amdgpu_ctx_fini) != 1)
 609                         DRM_ERROR("ctx %p is still alive\n", ctx);
 610         }
 611
 612         idr_destroy(&mgr->ctx_handles);
 613         mutex_destroy(&mgr->lock);
 614 }
 615
 616 void amdgpu_ctx_init_sched(struct amdgpu_device *adev)
 617 {
 618         int i, j;
 619
 620         for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
 621                 adev->gfx.gfx_sched[i] = &adev->gfx.gfx_ring[i].sched;
 622                 adev->gfx.num_gfx_sched++;
 623         }
 624
 625         for (i = 0; i < adev->gfx.num_compute_rings; i++) {
 626                 adev->gfx.compute_sched[i] = &adev->gfx.compute_ring[i].sched;
 627                 adev->gfx.num_compute_sched++;
 628         }
 629
 630         for (i = 0; i < adev->sdma.num_instances; i++) {
 631                 adev->sdma.sdma_sched[i] = &adev->sdma.instance[i].ring.sched;
 632                 adev->sdma.num_sdma_sched++;
 633         }
 634
 635         for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
 636                 if (adev->vcn.harvest_config & (1 << i))
 637                         continue;
 638                 adev->vcn.vcn_dec_sched[adev->vcn.num_vcn_dec_sched++] =
 639                         &adev->vcn.inst[i].ring_dec.sched;
 640         }
 641
 642         for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
 643                 if (adev->vcn.harvest_config & (1 << i))
 644                         continue;
 645                 for (j = 0; j < adev->vcn.num_enc_rings; ++j)
 646                         adev->vcn.vcn_enc_sched[adev->vcn.num_vcn_enc_sched++] =
 647                                 &adev->vcn.inst[i].ring_enc[j].sched;
 648         }
 649
 650         for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) {
 651                 if (adev->jpeg.harvest_config & (1 << i))
 652                         continue;
 653                 adev->jpeg.jpeg_sched[adev->jpeg.num_jpeg_sched++] =
 654                         &adev->jpeg.inst[i].ring_dec.sched;
 655         }
 656 }