diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.c b/drivers/gpu/drm/sun4i/sun8i_mixer.c
index 4e4226295010..b6cd7352e76c 100644
--- a/drivers/gpu/drm/sun4i/sun8i_mixer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_mixer.c
@@ -785,7 +785,7 @@ static const struct sun8i_mixer_cfg sun8i_v3s_mixer_cfg = {
 		.de_type	= SUN8I_MIXER_DE2,
 		.vi_scaler_num	= 2,
 		.scaler_mask	= 0x3,
-		.scanline_yuv	= 2048,
+		.scanline_yuv	= 1024,
 	},
 	.de_type	= SUN8I_MIXER_DE2,
 	.mod_rate	= 150000000,