diff --git a/build/soong/Android.bp b/build/soong/Android.bp
index 6f1d4f1..c4855b7 100644
--- a/build/soong/Android.bp
+++ b/build/soong/Android.bp
@@ -88,6 +88,23 @@
 }
 
 soong_config_module_type {
+    name: "gralloc_handle_custom_content_md_reserved_size",
+    module_type: "cc_defaults",
+    config_namespace: "blissGlobalVars",
+    bool_variables: ["gralloc_handle_has_custom_content_md_reserved_size"],
+    properties: ["export_cflags"],
+}
+
+gralloc_handle_custom_content_md_reserved_size {
+    name: "gralloc_handle_has_custom_content_md_reserved_size_defaults",
+    soong_config_variables: {
+        gralloc_handle_has_custom_content_md_reserved_size: {
+            export_cflags: ["-DGRALLOC_HANDLE_HAS_CUSTOM_CONTENT_MD_RESERVED_SIZE"],
+        },
+    },
+}
+
+soong_config_module_type {
     name: "gralloc_handle_reserved_size",
     module_type: "cc_defaults",
     config_namespace: "blissGlobalVars",
diff --git a/config/BoardConfigSoong.mk b/config/BoardConfigSoong.mk
index 4b2d68c..9e4cb6b 100644
--- a/config/BoardConfigSoong.mk
+++ b/config/BoardConfigSoong.mk
@@ -36,6 +36,7 @@
     target_ld_shim_libs \
     target_surfaceflinger_udfps_lib \
     uses_egl_display_array \
+    gralloc_handle_has_custom_content_md_reserved_size \
     gralloc_handle_has_reserved_size \
     camera_needs_client_info_lib \
     camera_needs_client_info_lib_oplus \
@@ -70,6 +71,7 @@
 SOONG_CONFIG_blissQcomVars_supports_extended_compress_format := $(AUDIO_FEATURE_ENABLED_EXTENDED_COMPRESS_FORMAT)
 SOONG_CONFIG_blissQcomVars_uses_pre_uplink_features_netmgrd := $(TARGET_USES_PRE_UPLINK_FEATURES_NETMGRD)
 SOONG_CONFIG_blissQcomVars_uses_qti_camera_device := $(TARGET_USES_QTI_CAMERA_DEVICE)
+SOONG_CONFIG_blissGlobalVars_gralloc_handle_has_custom_content_md_reserved_size := $(TARGET_GRALLOC_HANDLE_HAS_CUSTOM_CONTENT_MD_RESERVED_SIZE)
 SOONG_CONFIG_blissGlobalVars_gralloc_handle_has_reserved_size := $(TARGET_GRALLOC_HANDLE_HAS_RESERVED_SIZE)
 SOONG_CONFIG_blissGlobalVars_camera_needs_client_info_lib := $(TARGET_CAMERA_NEEDS_CLIENT_INFO_LIB)
 SOONG_CONFIG_blissGlobalVars_camera_needs_client_info_lib_oplus := $(TARGET_CAMERA_NEEDS_CLIENT_INFO_LIB_OPLUS)
@@ -79,6 +81,7 @@
 
 # Set default values
 TARGET_ADDITIONAL_GRALLOC_10_USAGE_BITS ?= 0
+TARGET_GRALLOC_HANDLE_HAS_CUSTOM_CONTENT_MD_RESERVED_SIZE ?= false
 TARGET_GRALLOC_HANDLE_HAS_RESERVED_SIZE ?= false
 TARGET_INIT_VENDOR_LIB ?= vendor_init
 TARGET_INPUTDISPATCHER_SKIP_EVENT_KEY ?= 0