diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 491ba0bc7eacbc..249af9fb864b37 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -453,10 +453,10 @@ static const struct hdmiphy_config hdmiphy_5420_configs[] = {
 	{
 		.pixel_clock = 33900000,
 		.conf = {
-			0x01, 0x51, 0x28, 0x55, 0x44, 0x40, 0x00, 0xC8,
-			0x02, 0xC8, 0xF0, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
-			0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x86,
-			0x54, 0x80, 0x25, 0x01, 0x00, 0x00, 0x01, 0x80,
+			0x01, 0x51, 0x2D, 0x55, 0x40, 0x40, 0x00, 0xC8,
+			0x02, 0xC8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
+			0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
+			0x54, 0xAB, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
 		},
 	},
 	{