drm/amdgpu: remove amdgpu_fence_recreate

It's not used any more.
Signed-off-by: NChristian König <christian.koenig@amd.com>
Reviewed-by: NJammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: NChunming Zhou <david1.zhou@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu.h

@@ -429,8 +429,6 @@ int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring,
 				   unsigned irq_type);
 int amdgpu_fence_emit(struct amdgpu_ring *ring, void *owner,
 		      struct amdgpu_fence **fence);
-int amdgpu_fence_recreate(struct amdgpu_ring *ring, void *owner,
-			  uint64_t seq, struct amdgpu_fence **fence);
 void amdgpu_fence_process(struct amdgpu_ring *ring);
 int amdgpu_fence_wait_next(struct amdgpu_ring *ring);
 int amdgpu_fence_wait_empty(struct amdgpu_ring *ring);

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

@@ -135,38 +135,6 @@ int amdgpu_fence_emit(struct amdgpu_ring *ring, void *owner,
 	return 0;
 }
 
-/**
- * amdgpu_fence_recreate - recreate a fence from an user fence
- *
- * @ring: ring the fence is associated with
- * @owner: creator of the fence
- * @seq: user fence sequence number
- * @fence: resulting amdgpu fence object
- *
- * Recreates a fence command from the user fence sequence number (all asics).
- * Returns 0 on success, -ENOMEM on failure.
- */
-int amdgpu_fence_recreate(struct amdgpu_ring *ring, void *owner,
-			  uint64_t seq, struct amdgpu_fence **fence)
-{
-	struct amdgpu_device *adev = ring->adev;
-
-	if (seq > ring->fence_drv.sync_seq[ring->idx])
-		return -EINVAL;
-
-	*fence = kmalloc(sizeof(struct amdgpu_fence), GFP_KERNEL);
-	if ((*fence) == NULL)
-		return -ENOMEM;
-
-	(*fence)->seq = seq;
-	(*fence)->ring = ring;
-	(*fence)->owner = owner;
-	fence_init(&(*fence)->base, &amdgpu_fence_ops,
-		&adev->fence_queue.lock, adev->fence_context + ring->idx,
-		(*fence)->seq);
-	return 0;
-}
-
 /**
  * amdgpu_fence_check_signaled - callback from fence_queue
  *