diff --git a/arch/arm64/boot/dts/rockchip/rk3399-tb.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-tb.dtsi
index 01aaf2892aa0..cc9155e96a6e 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-tb.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-tb.dtsi
@@ -569,5 +569,6 @@ &gmac {
 };
 
 &gpu {
+	mali-supply = <&vdd_gpu>;
 	status = "okay";
 };