drm/qxl: kill unused bo wait wrapper

This wasn't used anywheere
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200923030454.362731-3-airlied@gmail.com

drivers/gpu/drm/qxl/qxl_object.h

@@ -58,29 +58,6 @@ static inline u64 qxl_bo_mmap_offset(struct qxl_bo *bo)
 	return drm_vma_node_offset_addr(&bo->tbo.base.vma_node);
 }
 
-static inline int qxl_bo_wait(struct qxl_bo *bo, u32 *mem_type,
-			      bool no_wait)
-{
-	int r;
-
-	r = ttm_bo_reserve(&bo->tbo, true, no_wait, NULL);
-	if (unlikely(r != 0)) {
-		if (r != -ERESTARTSYS) {
-			struct drm_device *ddev = bo->tbo.base.dev;
-
-			dev_err(ddev->dev, "%p reserve failed for wait\n",
-				bo);
-		}
-		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;
-}
-
 extern int qxl_bo_create(struct qxl_device *qdev,
 			 unsigned long size,
 			 bool kernel, bool pinned, u32 domain,