+static int mediatek_bo_unmap(struct bo *bo, struct map_info *data)
+{
+ if (data->priv) {
+ struct mediatek_private_map_data *priv = data->priv;
+ data->addr = priv->gem_addr;
+ free(priv->cached_addr);
+ free(priv);
+ data->priv = NULL;
+ }
+
+ return munmap(data->addr, data->length);
+}
+
+static int mediatek_bo_flush(struct bo *bo, struct map_info *data)
+{
+ struct mediatek_private_map_data *priv = data->priv;
+ if (priv && (data->map_flags & BO_MAP_WRITE))
+ memcpy(priv->gem_addr, priv->cached_addr, bo->total_size);
+
+ return 0;
+}
+
+static uint32_t mediatek_resolve_format(uint32_t format, uint64_t use_flags)