Re: [PATCH] drm/scheduler: avoid redundant shifting of the entity v2

Am 21.08.2018 um 15:29 schrieb Nayan Deshmukh:

do not remove entity from the rq if the current rq is from the least loaded scheduler.

Signed-off-by: Nayan Deshmukh nayan26deshmukh@gmail.com

Reviewed and pushed into our internal repo.

Thanks, Christian.

---

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;