diff --git a/drivers/video/rockchip/rk_edp.c b/drivers/video/rockchip/rk_edp.c
index 49ed5aa..92188be 100644
--- a/drivers/video/rockchip/rk_edp.c
+++ b/drivers/video/rockchip/rk_edp.c
@@ -21,6 +21,7 @@
 #include <asm/arch-rockchip/grf_rk3288.h>
 #include <asm/arch-rockchip/hardware.h>
 #include <dt-bindings/clock/rk3288-cru.h>
+#include <linux/delay.h>
 
 #define MAX_CR_LOOP 5
 #define MAX_EQ_LOOP 5