diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-tablet.dtsi b/arch/arm64/boot/dts/rockchip/rk3588s-tablet.dtsi
index 630ec340b1f1..2ff102ff2c86 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s-tablet.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-tablet.dtsi
@@ -297,6 +297,7 @@
 };
 
 &edp0 {
+	support-psr;
 	force-hpd;
 	status = "okay";