diff --git a/arch/arm/boot/dts/rk312x-android.dtsi b/arch/arm/boot/dts/rk312x-android.dtsi
index 8de0a9aa71df..8e29701c17ec 100644
--- a/arch/arm/boot/dts/rk312x-android.dtsi
+++ b/arch/arm/boot/dts/rk312x-android.dtsi
@@ -163,6 +163,7 @@
 };
 
 &display_subsystem {
+	memory-region = <&cma_region>;
 	logo-memory-region = <&drm_logo>;
 	status = "okay";