diff --git a/display/graphic/common/v2_1/BUILD.gn b/display/graphic/common/v2_1/BUILD.gn
index 3dc0b995029fb0a0f3488001f978afae4f2bf763..8a6bb051ce3adcf1fe5a69fe628418c70cb17199 100644
--- a/display/graphic/common/v2_1/BUILD.gn
+++ b/display/graphic/common/v2_1/BUILD.gn
@@ -21,7 +21,10 @@ hdi("display_commontype") {
     "//drivers/interface/display/graphic/common/v2_0:libdisplay_commontype_stub_2.0",
   ]
 
-  sources = [ "CMColorSpace.idl" ]
+  sources = [
+    "BufferHandleMetaKeyType.idl",
+    "CMColorSpace.idl",
+  ]
 
   language = "cpp"
   subsystem_name = "hdf"
diff --git a/display/graphic/common/v2_1/BufferHandleMetaKeyType.idl b/display/graphic/common/v2_1/BufferHandleMetaKeyType.idl
new file mode 100644
index 0000000000000000000000000000000000000000..0d810c022093175476ee656eac60da37307ec0fa
--- /dev/null
+++ b/display/graphic/common/v2_1/BufferHandleMetaKeyType.idl
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @addtogroup HdiDisplay
+ * 
+ * @since 5.1
+ * @version 2.1
+ */
+
+package ohos.hdi.display.graphic.common.v2_1;
+import ohos.hdi.display.graphic.common.v2_0.BufferHandleMetaKeyType;
+
+/**
+ * @ brief Enumerates buffer handle attribution keys.
+ *
+ */
+enum BufferHandleAttrKey : ohos.hdi.display.graphic.common.v2_0.BufferHandleAttrKey {
+    ATTRKEY_VIDEO_TV_PQ = 2049,                // value: TvPQMetadata
+    ATTRKEY_ADAPTIVE_FOV_METADATA = 2050,      // value: byte stream of look up table
+};
\ No newline at end of file