drm/scheduler: remove sched field from the entity

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>

2 files changed, 10 insertions, 11 deletions

diff --git a/drivers/gpu/drm/scheduler/gpu_scheduler.c b/drivers/gpu/drm/scheduler/gpu_scheduler.c
index a3b55c542025..3f2fc5e8242a 100644
--- a/drivers/gpu/drm/scheduler/gpu_scheduler.c
+++ b/drivers/gpu/drm/scheduler/gpu_scheduler.c
@@ -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;
diff --git a/drivers/gpu/drm/scheduler/sched_fence.c b/drivers/gpu/drm/scheduler/sched_fence.c
index 45d9c3affbea..d8d2dff9ea2f 100644
--- a/drivers/gpu/drm/scheduler/sched_fence.c
+++ b/drivers/gpu/drm/scheduler/sched_fence.c
@@ -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);