Re: [PATCH 3/4] drm/sched: always keep selecetd ring sched list in ctx entity

["Christian König" <christian.koenig@amd.com>]

Am 07.09.22 um 22:57 schrieb James Zhu:
> Always keep selecetd ring sched list in ctx entity.

I have no idea what you are doing here, but this certainly doesn't make 
sense.

Please explain a bit more.

Thanks,
Christian.

>
> Signed-off-by: James Zhu <James.Zhu@amd.com>
> ---
>   drivers/gpu/drm/scheduler/sched_entity.c | 7 ++-----
>   1 file changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/scheduler/sched_entity.c b/drivers/gpu/drm/scheduler/sched_entity.c
> index f5595607995b..39dca9cb8e0d 100644
> --- a/drivers/gpu/drm/scheduler/sched_entity.c
> +++ b/drivers/gpu/drm/scheduler/sched_entity.c
> @@ -71,7 +71,7 @@ int drm_sched_entity_init(struct drm_sched_entity *entity,
>   	entity->guilty = guilty;
>   	entity->num_sched_list = num_sched_list;
>   	entity->priority = priority;
> -	entity->sched_list = num_sched_list > 1 ? sched_list : NULL;
> +	entity->sched_list = sched_list;
>   	entity->last_scheduled = NULL;
>   
>   	if(num_sched_list)
> @@ -453,7 +453,7 @@ void drm_sched_entity_select_rq(struct drm_sched_entity *entity)
>   	struct drm_sched_rq *rq;
>   
>   	/* single possible engine and already selected */
> -	if (!entity->sched_list)
> +	if (entity->num_sched_list <= 1)
>   		return;
>   
>   	/* queue non-empty, stay on the same engine */
> @@ -482,9 +482,6 @@ void drm_sched_entity_select_rq(struct drm_sched_entity *entity)
>   		entity->rq = rq;
>   	}
>   	spin_unlock(&entity->rq_lock);
> -
> -	if (entity->num_sched_list == 1)
> -		entity->sched_list = NULL;
>   }
>   
>   /**