diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.c b/drivers/gpu/drm/sun4i/sun4i_frontend.c
index c4959d9e16391..7186ba73d8e14 100644
--- a/drivers/gpu/drm/sun4i/sun4i_frontend.c
+++ b/drivers/gpu/drm/sun4i/sun4i_frontend.c
@@ -694,7 +694,7 @@ static const struct sun4i_frontend_data sun4i_a10_frontend = {
 };
 
 static const struct sun4i_frontend_data sun8i_a33_frontend = {
-	.ch_phase		= { 0x400, 0x400 },
+	.ch_phase		= { 0x400, 0xfc400 },
 	.has_coef_access_ctrl	= true,
 };