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drm/scheduler: remove sched field from the entity

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The scheduler of the entity is decided by the run queue on which
it is queued. This patch avoids us the effort required to maintain
a sync between rq and sched field when we start shifting entites
among different rqs.

Signed-off-by: Nayan Deshmukh <nayan26deshmukh@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nayan Deshmukh 2018-07-20 17:51:06 +05:30 committed by Alex Deucher
parent cdc5017659
commit 068c330419
6 changed files with 16 additions and 19 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
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@ -1262,7 +1262,7 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,
priority = job->base.s_priority;
drm_sched_entity_push_job(&job->base, entity);
ring = to_amdgpu_ring(entity->sched);
ring = to_amdgpu_ring(entity->rq->sched);
amdgpu_ring_priority_get(ring, priority);
ttm_eu_fence_buffer_objects(&p->ticket, &p->validated, p->fence);

4
drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
View File

@ -143,7 +143,7 @@ int amdgpu_job_submit(struct amdgpu_job *job, struct drm_sched_entity *entity,
priority = job->base.s_priority;
drm_sched_entity_push_job(&job->base, entity);
ring = to_amdgpu_ring(entity->sched);
ring = to_amdgpu_ring(entity->rq->sched);
amdgpu_ring_priority_get(ring, priority);
return 0;
@ -167,7 +167,7 @@ int amdgpu_job_submit_direct(struct amdgpu_job *job, struct amdgpu_ring *ring,
static struct dma_fence *amdgpu_job_dependency(struct drm_sched_job *sched_job,
struct drm_sched_entity *s_entity)
{
struct amdgpu_ring *ring = to_amdgpu_ring(s_entity->sched);
struct amdgpu_ring *ring = to_amdgpu_ring(s_entity->rq->sched);
struct amdgpu_job *job = to_amdgpu_job(sched_job);
struct amdgpu_vm *vm = job->vm;
struct dma_fence *fence;

6
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
View File

@ -387,7 +387,7 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev,
ats_entries = 0;
}
ring = container_of(vm->entity.sched, struct amdgpu_ring, sched);
ring = container_of(vm->entity.rq->sched, struct amdgpu_ring, sched);
r = reservation_object_reserve_shared(bo->tbo.resv);
if (r)
@ -1113,7 +1113,7 @@ restart:
struct amdgpu_ring *ring;
struct dma_fence *fence;
ring = container_of(vm->entity.sched, struct amdgpu_ring,
ring = container_of(vm->entity.rq->sched, struct amdgpu_ring,
sched);
amdgpu_ring_pad_ib(ring, params.ib);
@ -1403,7 +1403,7 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
addr, flags);
}
ring = container_of(vm->entity.sched, struct amdgpu_ring, sched);
ring = container_of(vm->entity.rq->sched, struct amdgpu_ring, sched);
nptes = last - start + 1;

19
drivers/gpu/drm/scheduler/gpu_scheduler.c
View File

@ -185,7 +185,6 @@ int drm_sched_entity_init(struct drm_sched_entity *entity,
memset(entity, 0, sizeof(struct drm_sched_entity));
INIT_LIST_HEAD(&entity->list);
entity->rq = rq_list[0];
entity->sched = rq_list[0]->sched;
entity->guilty = guilty;
entity->last_scheduled = NULL;
@ -210,8 +209,8 @@ EXPORT_SYMBOL(drm_sched_entity_init);
static bool drm_sched_entity_is_initialized(struct drm_gpu_scheduler *sched,
struct drm_sched_entity *entity)
{
return entity->sched == sched &&
entity->rq != NULL;
return entity->rq != NULL &&
entity->rq->sched == sched;
}
/**
@ -278,7 +277,7 @@ long drm_sched_entity_flush(struct drm_sched_entity *entity, long timeout)
struct drm_gpu_scheduler *sched;
long ret = timeout;
sched = entity->sched;
sched = entity->rq->sched;
if (!drm_sched_entity_is_initialized(sched, entity))
return ret;
/**
@ -317,7 +316,7 @@ void drm_sched_entity_fini(struct drm_sched_entity *entity)
{
struct drm_gpu_scheduler *sched;
sched = entity->sched;
sched = entity->rq->sched;
drm_sched_entity_set_rq(entity, NULL);
/* Consumption of existing IBs wasn't completed. Forcefully
@ -388,7 +387,7 @@ static void drm_sched_entity_wakeup(struct dma_fence *f, struct dma_fence_cb *cb
container_of(cb, struct drm_sched_entity, cb);
entity->dependency = NULL;
dma_fence_put(f);
drm_sched_wakeup(entity->sched);
drm_sched_wakeup(entity->rq->sched);
}
static void drm_sched_entity_clear_dep(struct dma_fence *f, struct dma_fence_cb *cb)
@ -438,7 +437,7 @@ EXPORT_SYMBOL(drm_sched_entity_set_rq);
bool drm_sched_dependency_optimized(struct dma_fence* fence,
struct drm_sched_entity *entity)
{
struct drm_gpu_scheduler *sched = entity->sched;
struct drm_gpu_scheduler *sched = entity->rq->sched;
struct drm_sched_fence *s_fence;
if (!fence || dma_fence_is_signaled(fence))
@ -455,7 +454,7 @@ EXPORT_SYMBOL(drm_sched_dependency_optimized);
static bool drm_sched_entity_add_dependency_cb(struct drm_sched_entity *entity)
{
struct drm_gpu_scheduler *sched = entity->sched;
struct drm_gpu_scheduler *sched = entity->rq->sched;
struct dma_fence * fence = entity->dependency;
struct drm_sched_fence *s_fence;
@ -500,7 +499,7 @@ static bool drm_sched_entity_add_dependency_cb(struct drm_sched_entity *entity)
static struct drm_sched_job *
drm_sched_entity_pop_job(struct drm_sched_entity *entity)
{
struct drm_gpu_scheduler *sched = entity->sched;
struct drm_gpu_scheduler *sched = entity->rq->sched;
struct drm_sched_job *sched_job = to_drm_sched_job(
spsc_queue_peek(&entity->job_queue));
@ -744,7 +743,7 @@ int drm_sched_job_init(struct drm_sched_job *job,
struct drm_sched_entity *entity,
void *owner)
{
struct drm_gpu_scheduler *sched = entity->sched;
struct drm_gpu_scheduler *sched = entity->rq->sched;
job->sched = sched;
job->entity = entity;

2
drivers/gpu/drm/scheduler/sched_fence.c
View File

@ -161,7 +161,7 @@ struct drm_sched_fence *drm_sched_fence_create(struct drm_sched_entity *entity,
return NULL;
fence->owner = owner;
fence->sched = entity->sched;
fence->sched = entity->rq->sched;
spin_lock_init(&fence->lock);
seq = atomic_inc_return(&entity->fence_seq);

2
include/drm/gpu_scheduler.h
View File

@ -52,7 +52,6 @@ enum drm_sched_priority {
* runqueue.
* @rq: runqueue to which this entity belongs.
* @rq_lock: lock to modify the runqueue to which this entity belongs.
* @sched: the scheduler instance to which this entity is enqueued.
* @job_queue: the list of jobs of this entity.
* @fence_seq: a linearly increasing seqno incremented with each
* new &drm_sched_fence which is part of the entity.
@ -76,7 +75,6 @@ struct drm_sched_entity {
struct list_head list;
struct drm_sched_rq *rq;
spinlock_t rq_lock;
struct drm_gpu_scheduler *sched;
struct spsc_queue job_queue;