drm/radeon: kill radeon_bo_wait

this is unused
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200923030454.362731-2-airlied@gmail.com

drivers/gpu/drm/radeon/radeon_object.c

@@ -844,21 +844,6 @@ int radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
 	return 0;
 }
 
-int radeon_bo_wait(struct radeon_bo *bo, u32 *mem_type, bool no_wait)
-{
-	int r;
-
-	r = ttm_bo_reserve(&bo->tbo, true, no_wait, NULL);
-	if (unlikely(r != 0))
-		return r;
-	if (mem_type)
-		*mem_type = bo->tbo.mem.mem_type;
-
-	r = ttm_bo_wait(&bo->tbo, true, no_wait);
-	ttm_bo_unreserve(&bo->tbo);
-	return r;
-}
-
 /**
  * radeon_bo_fence - add fence to buffer object
  *

drivers/gpu/drm/radeon/radeon_object.h

@@ -133,9 +133,6 @@ static inline u64 radeon_bo_mmap_offset(struct radeon_bo *bo)
 	return drm_vma_node_offset_addr(&bo->tbo.base.vma_node);
 }
 
-extern int radeon_bo_wait(struct radeon_bo *bo, u32 *mem_type,
-			  bool no_wait);
-
 extern int radeon_bo_create(struct radeon_device *rdev,
 			    unsigned long size, int byte_align,
 			    bool kernel, u32 domain, u32 flags,