diff --git a/aidl/postproc/Android.bp b/aidl/postproc/Android.bp
new file mode 100644
index 00000000..9fe59967
--- /dev/null
+++ b/aidl/postproc/Android.bp
@@ -0,0 +1,25 @@
+aidl_interface {
+    name: "vendor.qti.hardware.display.postproc",
+    vendor_available: true,
+    owner: "qti",
+    srcs: ["vendor/qti/hardware/display/postproc/*.aidl"],
+    stability: "vintf",
+    backend: {
+        cpp: {
+            enabled: false,
+        },
+        java: {
+            enabled: true,
+            sdk_version: "module_current",
+        },
+        ndk: {
+            enabled: true,
+        },
+    },
+    versions_with_info: [
+        {
+            version: "1",
+            imports: [],
+        },
+    ],
+}
diff --git a/aidl/postproc/aidl_api/vendor.qti.hardware.display.postproc/1/.hash b/aidl/postproc/aidl_api/vendor.qti.hardware.display.postproc/1/.hash
new file mode 100644
index 00000000..f549ecab
--- /dev/null
+++ b/aidl/postproc/aidl_api/vendor.qti.hardware.display.postproc/1/.hash
@@ -0,0 +1 @@
+717b637207e7b53e81228f9ebc0b2418cf873f2b
diff --git a/aidl/postproc/aidl_api/vendor.qti.hardware.display.postproc/1/vendor/qti/hardware/display/postproc/IDisplayPostproc.aidl b/aidl/postproc/aidl_api/vendor.qti.hardware.display.postproc/1/vendor/qti/hardware/display/postproc/IDisplayPostproc.aidl
new file mode 100644
index 00000000..235806ba
--- /dev/null
+++ b/aidl/postproc/aidl_api/vendor.qti.hardware.display.postproc/1/vendor/qti/hardware/display/postproc/IDisplayPostproc.aidl
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ * SPDX-License-Identifier: BSD-3-Clause-Clear
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package vendor.qti.hardware.display.postproc;
+@VintfStability
+interface IDisplayPostproc {
+  String sendDPPSCommand(in String cmd);
+}
diff --git a/aidl/postproc/aidl_api/vendor.qti.hardware.display.postproc/current/vendor/qti/hardware/display/postproc/IDisplayPostproc.aidl b/aidl/postproc/aidl_api/vendor.qti.hardware.display.postproc/current/vendor/qti/hardware/display/postproc/IDisplayPostproc.aidl
new file mode 100644
index 00000000..235806ba
--- /dev/null
+++ b/aidl/postproc/aidl_api/vendor.qti.hardware.display.postproc/current/vendor/qti/hardware/display/postproc/IDisplayPostproc.aidl
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ * SPDX-License-Identifier: BSD-3-Clause-Clear
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package vendor.qti.hardware.display.postproc;
+@VintfStability
+interface IDisplayPostproc {
+  String sendDPPSCommand(in String cmd);
+}
diff --git a/aidl/postproc/vendor/qti/hardware/display/postproc/IDisplayPostproc.aidl b/aidl/postproc/vendor/qti/hardware/display/postproc/IDisplayPostproc.aidl
new file mode 100644
index 00000000..c3268616
--- /dev/null
+++ b/aidl/postproc/vendor/qti/hardware/display/postproc/IDisplayPostproc.aidl
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ * SPDX-License-Identifier: BSD-3-Clause-Clear
+ */
+
+package vendor.qti.hardware.display.postproc;
+
+@VintfStability
+interface IDisplayPostproc {
+    /**
+     * Send command to DPPS.
+     * @param cmd string command to control post processing features.
+     * @return response string response for the input dpps command.
+     */
+    String sendDPPSCommand(in String cmd);
+}