157  * amdgpu_ring_priority_put - restore a ring's priority
160  * @priority: target priority
162  * Release a request for executing at @priority
165 			      enum drm_sched_priority priority)  in amdgpu_ring_priority_put()  argument
172 	if (atomic_dec_return(&ring->num_jobs[priority]) > 0)  in amdgpu_ring_priority_put()
175 	/* no need to restore if the job is already at the lowest priority */  in amdgpu_ring_priority_put()
176 	if (priority == DRM_SCHED_PRIORITY_NORMAL)  in amdgpu_ring_priority_put()
181 	if (ring->priority > priority)  in amdgpu_ring_priority_put()
184 	/* decay priority to the next level with a job available */  in amdgpu_ring_priority_put()
185 	for (i = priority; i >= DRM_SCHED_PRIORITY_MIN; i--) {  in amdgpu_ring_priority_put()
188 			ring->priority = i;  in amdgpu_ring_priority_put()
199  * amdgpu_ring_priority_get - change the ring's priority
202  * @priority: target priority
204  * Request a ring's priority to be raised to @priority (refcounted).
207 			      enum drm_sched_priority priority)  in amdgpu_ring_priority_get()  argument
212 	if (atomic_inc_return(&ring->num_jobs[priority]) <= 0)  in amdgpu_ring_priority_get()
216 	if (priority <= ring->priority)  in amdgpu_ring_priority_get()
219 	ring->priority = priority;  in amdgpu_ring_priority_get()
220 	ring->funcs->set_priority(ring, priority);  in amdgpu_ring_priority_get()
331 	ring->priority = DRM_SCHED_PRIORITY_NORMAL;  in amdgpu_ring_init()