[PATCH] drm/scheduler: fix setting the priorty for entities

[Christian König]

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

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c   |  3 +--
 drivers/gpu/drm/scheduler/gpu_scheduler.c | 36 ++++++++++++++++++++-----------
 include/drm/gpu_scheduler.h               |  5 ++---
 3 files changed, 26 insertions(+), 18 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index df6965761046..9fcc14e2dfcf 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
@@ -407,12 +407,11 @@ 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);
 	}
 }
 
diff --git a/drivers/gpu/drm/scheduler/gpu_scheduler.c b/drivers/gpu/drm/scheduler/gpu_scheduler.c
index 05dc6ecd4003..85908c7f913e 100644
--- a/drivers/gpu/drm/scheduler/gpu_scheduler.c
+++ b/drivers/gpu/drm/scheduler/gpu_scheduler.c
@@ -419,29 +419,39 @@ 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
diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h
index 0c4cfe689d4c..22c0f88f7d8f 100644
--- a/include/drm/gpu_scheduler.h
+++ b/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);
-- 
2.14.1