diff --git a/arch/arm64/boot/dts/rockchip/rk3576-eink.dtsi b/arch/arm64/boot/dts/rockchip/rk3576-eink.dtsi
index 03683b2bb432..e9959357b042 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576-eink.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3576-eink.dtsi
@@ -43,6 +43,8 @@
 
 &dmc {
 	wait-mode = <DMC_WAIT_MODE_EBC_VBANK>;
+	upthreshold = <50>;
+	downdifferential = <25>;
 };
 
 &ebc {