[PATCH] drm/scheduler: avoid redundant shifting of the entity v2
Nayan Deshmukh
nayan26deshmukh at gmail.com
Tue Aug 21 13:29:08 UTC 2018
do not remove entity from the rq if the current rq is from
the least loaded scheduler.
Signed-off-by: Nayan Deshmukh <nayan26deshmukh at gmail.com>
---
drivers/gpu/drm/scheduler/sched_entity.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/scheduler/sched_entity.c b/drivers/gpu/drm/scheduler/sched_entity.c
index 1416edb2642a..a51c7654cc78 100644
--- a/drivers/gpu/drm/scheduler/sched_entity.c
+++ b/drivers/gpu/drm/scheduler/sched_entity.c
@@ -472,6 +472,9 @@ void drm_sched_entity_select_rq(struct drm_sched_entity *entity)
return;
rq = drm_sched_entity_get_free_sched(entity);
+ if (rq == entity->rq)
+ return;
+
spin_lock(&entity->rq_lock);
drm_sched_rq_remove_entity(entity->rq, entity);
entity->rq = rq;
--
2.14.3
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