diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_regs_v2.h b/drivers/gpu/drm/mediatek/mtk_hdmi_regs_v2.h
index 521b35c7e14d..bf3ebf5492d1 100644
--- a/drivers/gpu/drm/mediatek/mtk_hdmi_regs_v2.h
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi_regs_v2.h
@@ -173,7 +173,7 @@
 #define  TPI_AUDIO_LOOKUP_EN		BIT(2)
 
 /* Video downsampling configuration */
-#define VID_DOWNSAMPLE_CONFIG		0x8d0
+#define VID_DOWNSAMPLE_CONFIG		0x8f0
 #define  C444_C422_CONFIG_ENABLE	BIT(0)
 #define  C422_C420_CONFIG_ENABLE	BIT(4)
 #define  C422_C420_CONFIG_BYPASS	BIT(5)