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drm/sched: Use completion to wait for sched->thread idle v2.

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Removes thread park/unpark hack from drm_sched_entity_fini and
by this fixes reactivation of scheduler thread while the thread
is supposed to be stopped.

v2: Per sched entity completion.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Suggested-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Andrey Grodzovsky
2019-11-04 16:30:05 -05:00
committed by Alex Deucher
parent cb5932f866
commit 83a7772ba2
3 changed files with 16 additions and 4 deletions
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2
include/drm/gpu_scheduler.h
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@@ -71,6 +71,7 @@ enum drm_sched_priority {
* @last_scheduled: points to the finished fence of the last scheduled job.
* @last_user: last group leader pushing a job into the entity.
* @stopped: Marks the enity as removed from rq and destined for termination.
* @entity_idle: Signals when enityt is not in use
*
* Entities will emit jobs in order to their corresponding hardware
* ring, and the scheduler will alternate between entities based on
@@ -94,6 +95,7 @@ struct drm_sched_entity {
struct dma_fence *last_scheduled;
struct task_struct *last_user;
bool stopped;
struct completion entity_idle;
};
/**