+ return munmap(vma->addr, vma->length);
+}
+
+static int rockchip_bo_invalidate(struct bo *bo, struct mapping *mapping)
+{
+ if (mapping->vma->priv) {
+ struct rockchip_private_map_data *priv = mapping->vma->priv;
+ memcpy(priv->cached_addr, priv->gem_addr, bo->total_size);
+ }
+
+ return 0;
+}
+
+static int rockchip_bo_flush(struct bo *bo, struct mapping *mapping)
+{
+ struct rockchip_private_map_data *priv = mapping->vma->priv;
+ if (priv && (mapping->vma->map_flags & BO_MAP_WRITE))
+ memcpy(priv->gem_addr, priv->cached_addr, bo->total_size);
+
+ return 0;