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| author |   Andrey Grodzovsky <andrey.grodzovsky@amd.com> | 2019-11-04 16:30:05 -0500 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2019-11-07 18:08:07 -0500 |
| commit | 83a7772ba223333755d8afd90ab8b2ea3f57d4e6 (patch) | |
| tree | 400ee2daf8e6436d50c86d0535c5d9a4f2463649 /drivers/gpu/drm/scheduler/sched_main.c | |
| parent | drm/amdgpu: fix vega20 pstate status change (diff) | |
| download | linux-dev-83a7772ba223333755d8afd90ab8b2ea3f57d4e6.tar.xz linux-dev-83a7772ba223333755d8afd90ab8b2ea3f57d4e6.zip | |
drm/sched: Use completion to wait for sched->thread idle v2.
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>
Diffstat (limited to 'drivers/gpu/drm/scheduler/sched_main.c')
| -rw-r--r-- | drivers/gpu/drm/scheduler/sched_main.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c index fbb6446c4f69..362cf1aa13b2 100644 --- a/drivers/gpu/drm/scheduler/sched_main.c +++ b/drivers/gpu/drm/scheduler/sched_main.c @@ -47,6 +47,7 @@ #include <linux/kthread.h> #include <linux/wait.h> #include <linux/sched.h> +#include <linux/completion.h> #include <uapi/linux/sched/types.h> #include <drm/drm_print.h> @@ -134,6 +135,7 @@ drm_sched_rq_select_entity(struct drm_sched_rq *rq) list_for_each_entry_continue(entity, &rq->entities, list) { if (drm_sched_entity_is_ready(entity)) { rq->current_entity = entity; + reinit_completion(&entity->entity_idle); spin_unlock(&rq->lock); return entity; } @@ -144,6 +146,7 @@ drm_sched_rq_select_entity(struct drm_sched_rq *rq) if (drm_sched_entity_is_ready(entity)) { rq->current_entity = entity; + reinit_completion(&entity->entity_idle); spin_unlock(&rq->lock); return entity; } @@ -726,6 +729,9 @@ static int drm_sched_main(void *param) continue; sched_job = drm_sched_entity_pop_job(entity); + + complete(&entity->entity_idle); + if (!sched_job) continue; |