aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorMatthew Brost <matthew.brost@intel.com>2024-01-29 19:04:13 -0800
committerDave Airlie <airlied@redhat.com>2024-02-06 12:47:43 +1000
commitd0399da9fb5f8e3d897b9776bffee2d3bfe20210 (patch)
tree0811d1ae4792b7e63c396e1b05c1736692dd44fa
parent54be6c6c5ae8e0d93a6c4641cb7528eb0b6ba478 (diff)
downloadlinux-sparc-d0399da9fb5f8e3d897b9776bffee2d3bfe20210.tar.gz
drm/sched: Re-queue run job worker when drm_sched_entity_pop_job() returns NULL
Rather then loop over entities until one with a ready job is found, re-queue the run job worker when drm_sched_entity_pop_job() returns NULL. Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Christian König <christian.koenig@amd.com> Fixes: 66dbd9004a55 ("drm/sched: Drain all entities in DRM sched run job worker") Reviewed-by: Luben Tuikov <ltuikov89@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240130030413.2031009-1-matthew.brost@intel.com
-rw-r--r--drivers/gpu/drm/scheduler/sched_main.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
index 85f082396d42d..d442b893275b9 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -1178,21 +1178,24 @@ static void drm_sched_run_job_work(struct work_struct *w)
struct drm_sched_entity *entity;
struct dma_fence *fence;
struct drm_sched_fence *s_fence;
- struct drm_sched_job *sched_job = NULL;
+ struct drm_sched_job *sched_job;
int r;
if (READ_ONCE(sched->pause_submit))
return;
/* Find entity with a ready job */
- while (!sched_job && (entity = drm_sched_select_entity(sched))) {
- sched_job = drm_sched_entity_pop_job(entity);
- if (!sched_job)
- complete_all(&entity->entity_idle);
- }
+ entity = drm_sched_select_entity(sched);
if (!entity)
return; /* No more work */
+ sched_job = drm_sched_entity_pop_job(entity);
+ if (!sched_job) {
+ complete_all(&entity->entity_idle);
+ drm_sched_run_job_queue(sched);
+ return;
+ }
+
s_fence = sched_job->s_fence;
atomic_add(sched_job->credits, &sched->credit_count);