[RFC PATCH 3/3] drm/amdgpu: remove unused functions

[Nirmoy Das]

Remove unused amdgpu_ring_priority_put() and amdgpu_ring_priority_get()

Signed-off-by: Nirmoy Das <nirmoy.das at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 70 ------------------------
 drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h |  4 --
 2 files changed, 74 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 4501ae7afb2e..8ac4b569c036 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -150,76 +150,6 @@ void amdgpu_ring_undo(struct amdgpu_ring *ring)
 		ring->funcs->end_use(ring);
 }
 
-/**
- * amdgpu_ring_priority_put - restore a ring's priority
- *
- * @ring: amdgpu_ring structure holding the information
- * @priority: target priority
- *
- * Release a request for executing at @priority
- */
-void amdgpu_ring_priority_put(struct amdgpu_ring *ring,
-			      enum drm_sched_priority priority)
-{
-	int i;
-
-	if (!ring->funcs->set_priority)
-		return;
-
-	if (atomic_dec_return(&ring->num_jobs[priority]) > 0)
-		return;
-
-	/* no need to restore if the job is already at the lowest priority */
-	if (priority == DRM_SCHED_PRIORITY_NORMAL)
-		return;
-
-	mutex_lock(&ring->priority_mutex);
-	/* something higher prio is executing, no need to decay */
-	if (ring->priority > priority)
-		goto out_unlock;
-
-	/* decay priority to the next level with a job available */
-	for (i = priority; i >= DRM_SCHED_PRIORITY_MIN; i--) {
-		if (i == DRM_SCHED_PRIORITY_NORMAL
-				|| atomic_read(&ring->num_jobs[i])) {
-			ring->priority = i;
-			ring->funcs->set_priority(ring, i);
-			break;
-		}
-	}
-
-out_unlock:
-	mutex_unlock(&ring->priority_mutex);
-}
-
-/**
- * amdgpu_ring_priority_get - change the ring's priority
- *
- * @ring: amdgpu_ring structure holding the information
- * @priority: target priority
- *
- * Request a ring's priority to be raised to @priority (refcounted).
- */
-void amdgpu_ring_priority_get(struct amdgpu_ring *ring,
-			      enum drm_sched_priority priority)
-{
-	if (!ring->funcs->set_priority)
-		return;
-
-	if (atomic_inc_return(&ring->num_jobs[priority]) <= 0)
-		return;
-
-	mutex_lock(&ring->priority_mutex);
-	if (priority <= ring->priority)
-		goto out_unlock;
-
-	ring->priority = priority;
-	ring->funcs->set_priority(ring, priority);
-
-out_unlock:
-	mutex_unlock(&ring->priority_mutex);
-}
-
 /**
  * amdgpu_ring_init - init driver ring struct.
  *
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
index a109373b9fe8..e6c3bcb990fd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
@@ -259,10 +259,6 @@ void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count);
 void amdgpu_ring_generic_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib);
 void amdgpu_ring_commit(struct amdgpu_ring *ring);
 void amdgpu_ring_undo(struct amdgpu_ring *ring);
-void amdgpu_ring_priority_get(struct amdgpu_ring *ring,
-			      enum drm_sched_priority priority);
-void amdgpu_ring_priority_put(struct amdgpu_ring *ring,
-			      enum drm_sched_priority priority);
 int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
 		     unsigned ring_size, struct amdgpu_irq_src *irq_src,
 		     unsigned irq_type);
-- 
2.25.0