drm/scheduler: fix setting the priorty for entities (v2)

Since we now deal with multiple rq we need to update all of them, not
just the current one.

v2: Trivial: Removed unused variable (Alex)

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Nayan Deshmukh <nayan26deshmukh@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -394,7 +394,6 @@ void amdgpu_ctx_priority_override(struct amdgpu_ctx *ctx,
 {
 	int i;
 	struct amdgpu_device *adev = ctx->adev;
-	struct drm_sched_rq *rq;
 	struct drm_sched_entity *entity;
 	struct amdgpu_ring *ring;
 	enum drm_sched_priority ctx_prio;
@@ -407,12 +406,11 @@ void amdgpu_ctx_priority_override(struct amdgpu_ctx *ctx,
 	for (i = 0; i < adev->num_rings; i++) {
 		ring = adev->rings[i];
 		entity = &ctx->rings[i].entity;
-		rq = &ring->sched.sched_rq[ctx_prio];
 
 		if (ring->funcs->type == AMDGPU_RING_TYPE_KIQ)
 			continue;
 
-		drm_sched_entity_set_rq(entity, rq);
+		drm_sched_entity_set_priority(entity, ctx_prio);
 	}
 }
 

drivers/gpu/drm/scheduler/gpu_scheduler.c

@@ -416,29 +416,39 @@ static void drm_sched_entity_clear_dep(struct dma_fence *f, struct dma_fence_cb
 }
 
 /**
- * drm_sched_entity_set_rq - Sets the run queue for an entity
+ * drm_sched_entity_set_rq_priority - helper for drm_sched_entity_set_priority
+ */
+static void drm_sched_entity_set_rq_priority(struct drm_sched_rq **rq,
+					     enum drm_sched_priority priority)
+{
+	*rq = &(*rq)->sched->sched_rq[priority];
+}
+
+/**
+ * drm_sched_entity_set_priority - Sets priority of the entity
  *
  * @entity: scheduler entity
- * @rq: scheduler run queue
+ * @priority: scheduler priority
  *
- * Sets the run queue for an entity and removes the entity from the previous
- * run queue in which was present.
+ * Update the priority of runqueus used for the entity.
  */
-void drm_sched_entity_set_rq(struct drm_sched_entity *entity,
-			     struct drm_sched_rq *rq)
+void drm_sched_entity_set_priority(struct drm_sched_entity *entity,
+				   enum drm_sched_priority priority)
 {
-	if (entity->rq == rq)
-		return;
-
-	BUG_ON(!rq);
+	unsigned int i;
 
 	spin_lock(&entity->rq_lock);
+
+	for (i = 0; i < entity->num_rq_list; ++i)
+		drm_sched_entity_set_rq_priority(&entity->rq_list[i], priority);
+
 	drm_sched_rq_remove_entity(entity->rq, entity);
-	entity->rq = rq;
-	drm_sched_rq_add_entity(rq, entity);
+	drm_sched_entity_set_rq_priority(&entity->rq, priority);
+	drm_sched_rq_add_entity(entity->rq, entity);
+
 	spin_unlock(&entity->rq_lock);
 }
-EXPORT_SYMBOL(drm_sched_entity_set_rq);
+EXPORT_SYMBOL(drm_sched_entity_set_priority);
 
 /**
  * drm_sched_dependency_optimized

include/drm/gpu_scheduler.h

@@ -298,9 +298,8 @@ void drm_sched_entity_fini(struct drm_sched_entity *entity);
 void drm_sched_entity_destroy(struct drm_sched_entity *entity);
 void drm_sched_entity_push_job(struct drm_sched_job *sched_job,
 			       struct drm_sched_entity *entity);
-void drm_sched_entity_set_rq(struct drm_sched_entity *entity,
-			     struct drm_sched_rq *rq);
-
+void drm_sched_entity_set_priority(struct drm_sched_entity *entity,
+				   enum drm_sched_priority priority);
 struct drm_sched_fence *drm_sched_fence_create(
 	struct drm_sched_entity *s_entity, void *owner);
 void drm_sched_fence_scheduled(struct drm_sched_fence *fence);