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

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Hi Christian

I need use entity->sched_list to track ring (ring = container_of(sched, struct amdgpu_ring, sched))

during amdgpu_ctx_fini_entity.

I think change here to keep selected ring sched list in entity->sched_list won't change the original logic too much.

Best Regards!

James


On 2022-09-08 2:15 a.m., Christian König wrote:
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@xxxxxxx>
---
  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;
  }
    /**




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