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

[Christian König]

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 at 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;