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
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@ -1178,21 +1178,24 @@ static void drm_sched_run_job_work(struct work_struct *w)
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struct drm_sched_entity *entity;
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struct dma_fence *fence;
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struct drm_sched_fence *s_fence;
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struct drm_sched_job *sched_job = NULL;
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struct drm_sched_job *sched_job;
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int r;
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if (READ_ONCE(sched->pause_submit))
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return;
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/* Find entity with a ready job */
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while (!sched_job && (entity = drm_sched_select_entity(sched))) {
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sched_job = drm_sched_entity_pop_job(entity);
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if (!sched_job)
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complete_all(&entity->entity_idle);
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}
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entity = drm_sched_select_entity(sched);
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if (!entity)
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return; /* No more work */
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sched_job = drm_sched_entity_pop_job(entity);
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if (!sched_job) {
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complete_all(&entity->entity_idle);
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drm_sched_run_job_queue(sched);
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return;
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}
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s_fence = sched_job->s_fence;
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atomic_add(sched_job->credits, &sched->credit_count);
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