[PATCH] drm/gpu-sched: fix force APP kill hang(v3)
Christian König
ckoenig.leichtzumerken at gmail.com
Fri Apr 13 06:25:36 UTC 2018
Hi Monk/Emily,
give me the weekend to take a closer look since I'm very busy this morning.
In general the order of ctx_fini and vm fini is very important cause we
otherwise dereference invalid pointers here.
Regards,
Christian.
Am 13.04.2018 um 08:18 schrieb Deng, Emily:
> Hi Monk,
> Another consideration, it will be better to put amdgpu_ctx_mgr_fini() beneath amdgpu_vm_fini, in
> this case, it will first set all ctx and vm entity rq to null, then set all the not scheduled job's fence to signal.
>
> Best Wishes,
> Emily Deng
>
>> -----Original Message-----
>> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf
>> Of Deng, Emily
>> Sent: Friday, April 13, 2018 2:08 PM
>> To: Liu, Monk <Monk.Liu at amd.com>; Christian König
>> <ckoenig.leichtzumerken at gmail.com>
>> Cc: amd-gfx at lists.freedesktop.org
>> Subject: RE: [PATCH] drm/gpu-sched: fix force APP kill hang(v3)
>>
>> Hi Monk,
>> Thanks your review, I will refine the code as your suggestion 1),2),3), 4),5).
>> About 6): I think it is no relation to put the amdgpu_ctx_mgr_fini before or
>> after amdgpu_vm_fini.
>>
>> Hi Christian,
>> Do you have any thoughts about 6)?
>>
>> Best Wishes,
>> Emily Deng
>>
>>> -----Original Message-----
>>> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf
>>> Of monk
>>> Sent: Friday, April 13, 2018 1:01 PM
>>> To: Deng, Emily <Emily.Deng at amd.com>; amd-gfx at lists.freedesktop.org
>>> Subject: Re: [PATCH] drm/gpu-sched: fix force APP kill hang(v3)
>>>
>>> Hi Christian & Emily
>>>
>>> This v3 version looks pretty good to me, but still some parts need to
>>> improve:
>>>
>>> e.g.
>>>
>>> 1)entity->finished doesn't presenting what it really means, better
>>> rename it to entity->last_scheduled.
>>>
>>> 2)drm_sched_entity_fini_job_cb() better renamed to
>>> drm_sched_entity_kill_jobs_cb()
>>>
>>> 3) no need to pass "entity->finished" (line275 of gpu_schedulers.c) to
>>> drm_sched_entity_fini_job_cb() if -ENOENT returned after
>>> dma_fence_add_callback since this parm is not needed at all in this
>>> callback routine
>>>
>>> 4)better change type of entity->fini_status to "int" instead of
>>> "uint32_t" ... it should be aligned with the return type of
>>> wait_event_killable()
>>>
>>> 5)
>>>
>>> + if (entity->finished) {
>>> + dma_fence_put(entity->finished);
>>> + entity->finished = NULL;
>>> }
>>>
>>> no need to check entity->finished because dma_fence_put() will do it
>> inside...
>>>
>>>
>>> and the same here in job_recovery:
>>>
>>> +
>>> + if (s_job->entity->finished)
>>> + dma_fence_put(s_job->entity->finished);
>>>
>>> and the same here in sched_main:
>>>
>>> + if (entity->finished)
>>> + dma_fence_put(entity->finished);
>>>
>>>
>>> 6) why put amdgpu_ctx_mgr_fini() beneath amdgpu_vm_fini() ? any reason
>>> for that ?
>>>
>>>
>>> thanks
>>>
>>> /Monk
>>>
>>>
>>>
>>>
>>>
>>>
>>> On 04/13/2018 10:06 AM, Deng, Emily wrote:
>>>> Ping....
>>>>
>>>> Best Wishes,
>>>> Emily Deng
>>>>
>>>>
>>>>
>>>>
>>>>> -----Original Message-----
>>>>> From: Emily Deng [mailto:Emily.Deng at amd.com]
>>>>> Sent: Thursday, April 12, 2018 6:22 PM
>>>>> To: amd-gfx at lists.freedesktop.org
>>>>> Cc: Deng, Emily <Emily.Deng at amd.com>; Liu, Monk
>>> <Monk.Liu at amd.com>
>>>>> Subject: [PATCH] drm/gpu-sched: fix force APP kill hang(v3)
>>>>>
>>>>> issue:
>>>>> there are VMC page fault occurred if force APP kill during 3dmark
>>>>> test, the cause is in entity_fini we manually signal all those jobs
>>>>> in entity's queue which confuse the sync/dep
>>>>> mechanism:
>>>>>
>>>>> 1)page fault occurred in sdma's clear job which operate on shadow
>>>>> buffer, and shadow buffer's Gart table is cleaned by ttm_bo_release
>>>>> since the fence in its reservation was fake signaled by
>>>>> entity_fini() under the case of SIGKILL received.
>>>>>
>>>>> 2)page fault occurred in gfx' job because during the lifetime of
>>>>> gfx job we manually fake signal all jobs from its entity in
>>>>> entity_fini(), thus the unmapping/clear PTE job depend on those
>>>>> result fence is satisfied and sdma start clearing the PTE and lead
>>>>> to GFX
>>> page fault.
>>>>> fix:
>>>>> 1)should at least wait all jobs already scheduled complete in
>>>>> entity_fini() if SIGKILL is the case.
>>>>>
>>>>> 2)if a fence signaled and try to clear some entity's dependency,
>>>>> should set this entity guilty to prevent its job really run since
>>>>> the dependency is fake signaled.
>>>>>
>>>>> v2:
>>>>> splitting drm_sched_entity_fini() into two functions:
>>>>> 1)The first one is does the waiting, removes the entity from the
>>>>> runqueue and returns an error when the process was killed.
>>>>> 2)The second one then goes over the entity, install it as
>>>>> completion signal for the remaining jobs and signals all jobs with an
>> error code.
>>>>> v3:
>>>>> 1)Replace the fini1 and fini2 with better name 2)Call the first
>>>>> part before the VM teardown in
>>>>> amdgpu_driver_postclose_kms() and the second part after the VM
>>>>> teardown 3)Keep the original function drm_sched_entity_fini to
>>>>> refine the
>>> code.
>>>>> Signed-off-by: Monk Liu <Monk.Liu at amd.com>
>>>>> Signed-off-by: Emily Deng <Emily.Deng at amd.com>
>>>>> ---
>>>>> drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 +
>>>>> drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 64
>>>>> ++++++++++++++++++++++----
>>>>> drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 5 ++-
>>>>> drivers/gpu/drm/scheduler/gpu_scheduler.c | 74
>>>>> ++++++++++++++++++++++++++-----
>>>>> include/drm/gpu_scheduler.h | 7 +++
>>>>> 5 files changed, 131 insertions(+), 21 deletions(-)
>>>>>
>>>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
>>>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
>>>>> index 2babfad..200db73 100644
>>>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
>>>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
>>>>> @@ -681,6 +681,8 @@ int amdgpu_ctx_ioctl(struct drm_device *dev,
>>> void
>>>>> *data, int amdgpu_ctx_wait_prev_fence(struct amdgpu_ctx *ctx,
>>>>> unsigned ring_id);
>>>>>
>>>>> void amdgpu_ctx_mgr_init(struct amdgpu_ctx_mgr *mgr);
>>>>> +void amdgpu_ctx_mgr_entity_cleanup(struct amdgpu_ctx_mgr *mgr);
>>> void
>>>>> +amdgpu_ctx_mgr_entity_fini(struct amdgpu_ctx_mgr *mgr);
>>>>> void amdgpu_ctx_mgr_fini(struct amdgpu_ctx_mgr *mgr);
>>>>>
>>>>>
>>>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
>>>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
>>>>> index 09d35051..659add4 100644
>>>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
>>>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
>>>>> @@ -111,8 +111,9 @@ static int amdgpu_ctx_init(struct
>> amdgpu_device
>>>>> *adev,
>>>>> return r;
>>>>> }
>>>>>
>>>>> -static void amdgpu_ctx_fini(struct amdgpu_ctx *ctx)
>>>>> +static void amdgpu_ctx_fini(struct kref *ref)
>>>>> {
>>>>> + struct amdgpu_ctx *ctx = container_of(ref, struct amdgpu_ctx,
>>>>> +refcount);
>>>>> struct amdgpu_device *adev = ctx->adev;
>>>>> unsigned i, j;
>>>>>
>>>>> @@ -125,13 +126,11 @@ static void amdgpu_ctx_fini(struct
>> amdgpu_ctx
>>>>> *ctx)
>>>>> kfree(ctx->fences);
>>>>> ctx->fences = NULL;
>>>>>
>>>>> - for (i = 0; i < adev->num_rings; i++)
>>>>> - drm_sched_entity_fini(&adev->rings[i]->sched,
>>>>> - &ctx->rings[i].entity);
>>>>> -
>>>>> amdgpu_queue_mgr_fini(adev, &ctx->queue_mgr);
>>>>>
>>>>> mutex_destroy(&ctx->lock);
>>>>> +
>>>>> + kfree(ctx);
>>>>> }
>>>>>
>>>>> static int amdgpu_ctx_alloc(struct amdgpu_device *adev, @@
>>>>> -170,12
>>>>> +169,15 @@ static int amdgpu_ctx_alloc(struct amdgpu_device *adev,
>>>>> static void amdgpu_ctx_do_release(struct kref *ref) {
>>>>> struct amdgpu_ctx *ctx;
>>>>> + u32 i;
>>>>>
>>>>> ctx = container_of(ref, struct amdgpu_ctx, refcount);
>>>>>
>>>>> - amdgpu_ctx_fini(ctx);
>>>>> + for (i = 0; i < ctx->adev->num_rings; i++)
>>>>> + drm_sched_entity_fini(&ctx->adev->rings[i]->sched,
>>>>> + &ctx->rings[i].entity);
>>>>>
>>>>> - kfree(ctx);
>>>>> + amdgpu_ctx_fini(ref);
>>>>> }
>>>>>
>>>>> static int amdgpu_ctx_free(struct amdgpu_fpriv *fpriv, uint32_t
>>>>> id) @@ -
>>>>> 435,16 +437,62 @@ void amdgpu_ctx_mgr_init(struct amdgpu_ctx_mgr
>>>>> *mgr)
>>>>> idr_init(&mgr->ctx_handles);
>>>>> }
>>>>>
>>>>> +void amdgpu_ctx_mgr_entity_fini(struct amdgpu_ctx_mgr *mgr) {
>>>>> + struct amdgpu_ctx *ctx;
>>>>> + struct idr *idp;
>>>>> + uint32_t id, i;
>>>>> +
>>>>> + idp = &mgr->ctx_handles;
>>>>> +
>>>>> + idr_for_each_entry(idp, ctx, id) {
>>>>> +
>>>>> + if (!ctx->adev)
>>>>> + return;
>>>>> +
>>>>> + for (i = 0; i < ctx->adev->num_rings; i++)
>>>>> + if (kref_read(&ctx->refcount) == 1)
>>>>> + drm_sched_entity_do_release(&ctx->adev-
>>>>>> rings[i]->sched,
>>>>> + &ctx->rings[i].entity);
>>>>> + else
>>>>> + DRM_ERROR("ctx %p is still alive\n", ctx);
>>>>> + }
>>>>> +}
>>>>> +
>>>>> +void amdgpu_ctx_mgr_entity_cleanup(struct amdgpu_ctx_mgr *mgr) {
>>>>> + struct amdgpu_ctx *ctx;
>>>>> + struct idr *idp;
>>>>> + uint32_t id, i;
>>>>> +
>>>>> + idp = &mgr->ctx_handles;
>>>>> +
>>>>> + idr_for_each_entry(idp, ctx, id) {
>>>>> +
>>>>> + if (!ctx->adev)
>>>>> + return;
>>>>> +
>>>>> + for (i = 0; i < ctx->adev->num_rings; i++)
>>>>> + if (kref_read(&ctx->refcount) == 1)
>>>>> + drm_sched_entity_cleanup(&ctx->adev-
>>>>>> rings[i]->sched,
>>>>> + &ctx->rings[i].entity);
>>>>> + else
>>>>> + DRM_ERROR("ctx %p is still alive\n", ctx);
>>>>> + }
>>>>> +}
>>>>> +
>>>>> void amdgpu_ctx_mgr_fini(struct amdgpu_ctx_mgr *mgr) {
>>>>> struct amdgpu_ctx *ctx;
>>>>> struct idr *idp;
>>>>> uint32_t id;
>>>>>
>>>>> + amdgpu_ctx_mgr_entity_cleanup(mgr);
>>>>> +
>>>>> idp = &mgr->ctx_handles;
>>>>>
>>>>> idr_for_each_entry(idp, ctx, id) {
>>>>> - if (kref_put(&ctx->refcount, amdgpu_ctx_do_release) != 1)
>>>>> + if (kref_put(&ctx->refcount, amdgpu_ctx_fini) != 1)
>>>>> DRM_ERROR("ctx %p is still alive\n", ctx);
>>>>> }
>>>>>
>>>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
>>>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
>>>>> index 487d39e..6cbb427 100644
>>>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
>>>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
>>>>> @@ -913,8 +913,7 @@ void amdgpu_driver_postclose_kms(struct
>>>>> drm_device *dev,
>>>>> return;
>>>>>
>>>>> pm_runtime_get_sync(dev->dev);
>>>>> -
>>>>> - amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
>>>>> + amdgpu_ctx_mgr_entity_fini(&fpriv->ctx_mgr);
>>>>>
>>>>> if (adev->asic_type != CHIP_RAVEN) {
>>>>> amdgpu_uvd_free_handles(adev, file_priv); @@ -935,6
>>>>> +934,8 @@ void amdgpu_driver_postclose_kms(struct drm_device *dev,
>>>>> pd = amdgpu_bo_ref(fpriv->vm.root.base.bo);
>>>>>
>>>>> amdgpu_vm_fini(adev, &fpriv->vm);
>>>>> + amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
>>>>> +
>>>>> if (pasid)
>>>>> amdgpu_pasid_free_delayed(pd->tbo.resv, pasid);
>>>>> amdgpu_bo_unref(&pd);
>>>>> diff --git a/drivers/gpu/drm/scheduler/gpu_scheduler.c
>>>>> b/drivers/gpu/drm/scheduler/gpu_scheduler.c
>>>>> index 310275e..9062d44 100644
>>>>> --- a/drivers/gpu/drm/scheduler/gpu_scheduler.c
>>>>> +++ b/drivers/gpu/drm/scheduler/gpu_scheduler.c
>>>>> @@ -136,6 +136,8 @@ int drm_sched_entity_init(struct
>>>>> drm_gpu_scheduler *sched,
>>>>> entity->rq = rq;
>>>>> entity->sched = sched;
>>>>> entity->guilty = guilty;
>>>>> + entity->fini_status = 0;
>>>>> + entity->finished = NULL;
>>>>>
>>>>> spin_lock_init(&entity->rq_lock);
>>>>> spin_lock_init(&entity->queue_lock);
>>>>> @@ -197,19 +199,30 @@ static bool drm_sched_entity_is_ready(struct
>>>>> drm_sched_entity *entity)
>>>>> return true;
>>>>> }
>>>>>
>>>>> +static void drm_sched_entity_fini_job_cb(struct dma_fence *f,
>>>>> + struct dma_fence_cb *cb)
>>>>> +{
>>>>> + struct drm_sched_job *job = container_of(cb, struct drm_sched_job,
>>>>> + finish_cb);
>>>>> + drm_sched_fence_finished(job->s_fence);
>>>>> + WARN_ON(job->s_fence->parent);
>>>>> + dma_fence_put(&job->s_fence->finished);
>>>>> + job->sched->ops->free_job(job);
>>>>> +}
>>>>> +
>>>>> +
>>>>> /**
>>>>> * Destroy a context entity
>>>>> *
>>>>> * @sched Pointer to scheduler instance
>>>>> * @entity The pointer to a valid scheduler entity
>>>>> *
>>>>> - * Cleanup and free the allocated resources.
>>>>> + * Splitting drm_sched_entity_fini() into two functions, The first
>>>>> + one is does the waiting,
>>>>> + * removes the entity from the runqueue and returns an error when
>>>>> + the
>>>>> process was killed.
>>>>> */
>>>>> -void drm_sched_entity_fini(struct drm_gpu_scheduler *sched,
>>>>> +void drm_sched_entity_do_release(struct drm_gpu_scheduler *sched,
>>>>> struct drm_sched_entity *entity)
>>>>> {
>>>>> - int r;
>>>>> -
>>>>> if (!drm_sched_entity_is_initialized(sched, entity))
>>>>> return;
>>>>> /**
>>>>> @@ -217,13 +230,28 @@ void drm_sched_entity_fini(struct
>>>>> drm_gpu_scheduler *sched,
>>>>> * queued IBs or discard them on SIGKILL
>>>>> */
>>>>> if ((current->flags & PF_SIGNALED) && current->exit_code == SIGKILL)
>>>>> - r = -ERESTARTSYS;
>>>>> + entity->fini_status = -ERESTARTSYS;
>>>>> else
>>>>> - r = wait_event_killable(sched->job_scheduled,
>>>>> + entity->fini_status = wait_event_killable(sched-
>>>>>> job_scheduled,
>>>>> drm_sched_entity_is_idle(entity));
>>>>> drm_sched_entity_set_rq(entity, NULL);
>>>>> - if (r) {
>>>>> +}
>>>>> +EXPORT_SYMBOL(drm_sched_entity_do_release);
>>>>> +
>>>>> +/**
>>>>> + * Destroy a context entity
>>>>> + *
>>>>> + * @sched Pointer to scheduler instance
>>>>> + * @entity The pointer to a valid scheduler entity
>>>>> + *
>>>>> + * The second one then goes over the entity and signals all jobs
>>>>> +with an
>>>>> error code.
>>>>> + */
>>>>> +void drm_sched_entity_cleanup(struct drm_gpu_scheduler *sched,
>>>>> + struct drm_sched_entity *entity) {
>>>>> + if (entity->fini_status) {
>>>>> struct drm_sched_job *job;
>>>>> + int r;
>>>>>
>>>>> /* Park the kernel for a moment to make sure it isn't
>>> processing
>>>>> * our enity.
>>>>> @@ -241,13 +269,28 @@ void drm_sched_entity_fini(struct
>>>>> drm_gpu_scheduler *sched,
>>>>> struct drm_sched_fence *s_fence = job->s_fence;
>>>>> drm_sched_fence_scheduled(s_fence);
>>>>> dma_fence_set_error(&s_fence->finished, -ESRCH);
>>>>> - drm_sched_fence_finished(s_fence);
>>>>> - WARN_ON(s_fence->parent);
>>>>> - dma_fence_put(&s_fence->finished);
>>>>> - sched->ops->free_job(job);
>>>>> + r = dma_fence_add_callback(entity->finished, &job-
>>>>>> finish_cb,
>>>>> +
>>>>> drm_sched_entity_fini_job_cb);
>>>>> + if (r == -ENOENT)
>>>>> + drm_sched_entity_fini_job_cb(entity-
>>>>>> finished, &job->finish_cb);
>>>>> + else if (r)
>>>>> + DRM_ERROR("fence add callback failed
>>>>> (%d)\n", r);
>>>>> + }
>>>>> +
>>>>> + if (entity->finished) {
>>>>> + dma_fence_put(entity->finished);
>>>>> + entity->finished = NULL;
>>>>> }
>>>>> }
>>>>> }
>>>>> +EXPORT_SYMBOL(drm_sched_entity_cleanup);
>>>>> +
>>>>> +void drm_sched_entity_fini(struct drm_gpu_scheduler *sched,
>>>>> + struct drm_sched_entity *entity) {
>>>>> + drm_sched_entity_do_release(sched, entity);
>>>>> + drm_sched_entity_cleanup(sched, entity); }
>>>>> EXPORT_SYMBOL(drm_sched_entity_fini);
>>>>>
>>>>> static void drm_sched_entity_wakeup(struct dma_fence *f, struct
>>>>> dma_fence_cb *cb) @@ -530,6 +573,11 @@ void
>>>>> drm_sched_job_recovery(struct drm_gpu_scheduler *sched)
>>>>> spin_unlock(&sched->job_list_lock);
>>>>> fence = sched->ops->run_job(s_job);
>>>>> atomic_inc(&sched->hw_rq_count);
>>>>> +
>>>>> + if (s_job->entity->finished)
>>>>> + dma_fence_put(s_job->entity->finished);
>>>>> + s_job->entity->finished = dma_fence_get(&s_fence-
>>>>>> finished);
>>>>> +
>>>>> if (fence) {
>>>>> s_fence->parent = dma_fence_get(fence);
>>>>> r = dma_fence_add_callback(fence, &s_fence->cb,
>>> @@ -556,6 +604,7
>>>>> @@ int drm_sched_job_init(struct drm_sched_job *job,
>>>>> void *owner)
>>>>> {
>>>>> job->sched = sched;
>>>>> + job->entity = entity;
>>>>> job->s_priority = entity->rq - sched->sched_rq;
>>>>> job->s_fence = drm_sched_fence_create(entity, owner);
>>>>> if (!job->s_fence)
>>>>> @@ -668,6 +717,9 @@ static int drm_sched_main(void *param)
>>>>>
>>>>> fence = sched->ops->run_job(sched_job);
>>>>> drm_sched_fence_scheduled(s_fence);
>>>>> + if (entity->finished)
>>>>> + dma_fence_put(entity->finished);
>>>>> + entity->finished = dma_fence_get(&s_fence->finished);
>>>>>
>>>>> if (fence) {
>>>>> s_fence->parent = dma_fence_get(fence); diff --git
>>>>> a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h index
>>>>> c053a32..a0dd947 100644
>>>>> --- a/include/drm/gpu_scheduler.h
>>>>> +++ b/include/drm/gpu_scheduler.h
>>>>> @@ -65,6 +65,8 @@ struct drm_sched_entity {
>>>>> struct dma_fence *dependency;
>>>>> struct dma_fence_cb cb;
>>>>> atomic_t *guilty; /* points to ctx's guilty */
>>>>> + uint32_t fini_status;
>>>>> + struct dma_fence *finished;
>>>>> };
>>>>>
>>>>> /**
>>>>> @@ -119,6 +121,7 @@ struct drm_sched_job {
>>>>> uint64_t id;
>>>>> atomic_t karma;
>>>>> enum drm_sched_priority s_priority;
>>>>> + struct drm_sched_entity *entity;
>>>>> };
>>>>>
>>>>> static inline bool drm_sched_invalidate_job(struct drm_sched_job
>>>>> *s_job, @@ -186,6 +189,10 @@ int drm_sched_entity_init(struct
>>>>> drm_gpu_scheduler *sched,
>>>>> struct drm_sched_entity *entity,
>>>>> struct drm_sched_rq *rq,
>>>>> uint32_t jobs, atomic_t *guilty);
>>>>> +void drm_sched_entity_do_release(struct drm_gpu_scheduler *sched,
>>>>> + struct drm_sched_entity *entity); void
>>>>> +drm_sched_entity_cleanup(struct drm_gpu_scheduler *sched,
>>>>> + struct drm_sched_entity *entity);
>>>>> void drm_sched_entity_fini(struct drm_gpu_scheduler *sched,
>>>>> struct drm_sched_entity *entity); void
>>>>> drm_sched_entity_push_job(struct drm_sched_job *sched_job,
>>>>> --
>>>>> 2.7.4
>>> _______________________________________________
>>> amd-gfx mailing list
>>> amd-gfx at lists.freedesktop.org
>>> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
>> _______________________________________________
>> amd-gfx mailing list
>> amd-gfx at lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
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