Implement drm_sched_entity_num_jobs() so that drm drivers can
query number of jobs in an entity.
Signed-off-by: Nirmoy Das <nirmoy.das@xxxxxxx>
---
drivers/gpu/drm/scheduler/sched_entity.c | 15 +++++++++++++++
include/drm/gpu_scheduler.h | 1 +
2 files changed, 16 insertions(+)
diff --git a/drivers/gpu/drm/scheduler/sched_entity.c b/drivers/gpu/drm/scheduler/sched_entity.c
index 90fd9c30ae5a..dfe8216f2d52 100644
--- a/drivers/gpu/drm/scheduler/sched_entity.c
+++ b/drivers/gpu/drm/scheduler/sched_entity.c
@@ -119,6 +119,21 @@ static bool drm_sched_entity_is_idle(struct drm_sched_entity *entity)
return false;
}
+/**
+ * drm_sched_entity_num_job - Get number of jobs in the entity
+ *
+ * @entity: scheduler entity
+ *
+ * Returns number of jobs in the entity
+ */
+int drm_sched_entity_num_jobs(struct drm_sched_entity *entity)
+{
+ if (drm_sched_entity_is_idle(entity))
+ return 0;
+
+ return spsc_queue_count(&entity->job_queue);
+}
+EXPORT_SYMBOL(drm_sched_entity_num_jobs);
/**
* drm_sched_entity_is_ready - Check if entity is ready
*
diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h
index d8972836d248..b5ceff75cbbe 100644
--- a/include/drm/gpu_scheduler.h
+++ b/include/drm/gpu_scheduler.h
@@ -341,5 +341,6 @@ void drm_sched_fence_finished(struct drm_sched_fence *fence);
unsigned long drm_sched_suspend_timeout(struct drm_gpu_scheduler *sched);
void drm_sched_resume_timeout(struct drm_gpu_scheduler *sched,
unsigned long remaining);
+int drm_sched_entity_num_jobs(struct drm_sched_entity *entity);
#endif
--
2.25.0
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