drm/amdgpu: add amd_sched_commit

This function is to update last_emitted_v_seq and wake up the waiters.

It should be called by driver in the run_job backend function

Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c

@@ -62,9 +62,8 @@ static void amdgpu_sched_run_job(struct amd_gpu_scheduler *sched,
 		if (r)
 			goto err;
 	}
-	atomic64_set(&c_entity->last_emitted_v_seq,
+
-		     sched_job->ibs[sched_job->num_ibs - 1].sequence);
+	amd_sched_emit(c_entity, sched_job->ibs[sched_job->num_ibs - 1].sequence);
-	wake_up_all(&c_entity->wait_emit);
 
 	mutex_unlock(&sched_job->job_lock);
 	return;

drivers/gpu/drm/amd/scheduler/gpu_scheduler.c

@@ -495,3 +495,15 @@ int amd_sched_destroy(struct amd_gpu_scheduler *sched)
 	return  0;
 }
 
+/**
+ * Update emitted sequence and wake up the waiters, called by run_job
+ * in driver side
+ *
+ * @entity The context entity
+ * @seq The sequence number for the latest emitted job
+*/
+void amd_sched_emit(struct amd_context_entity *c_entity, uint64_t seq)
+{
+	atomic64_set(&c_entity->last_emitted_v_seq, seq);
+	wake_up_all(&c_entity->wait_emit);
+}

drivers/gpu/drm/amd/scheduler/gpu_scheduler.h

@@ -151,4 +151,6 @@ int amd_context_entity_init(struct amd_gpu_scheduler *sched,
 			    uint32_t context_id,
 			    uint32_t jobs);
 
+void amd_sched_emit(struct amd_context_entity *c_entity, uint64_t seq);
+
 #endif