diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index 4916aaad93af..f349494ef09f 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -2546,6 +2546,7 @@ static void vop_update_csc(struct drm_crtc *crtc)
 		break;
 	case MEDIA_BUS_FMT_RGB666_1X18:
 	case MEDIA_BUS_FMT_RGB666_1X24_CPADHI:
+	case MEDIA_BUS_FMT_RGB666_1X7X3_SPWG:
 		VOP_CTRL_SET(vop, dither_down_en, 1);
 		VOP_CTRL_SET(vop, dither_down_mode, RGB888_TO_RGB666);
 		break;
@@ -2560,6 +2561,8 @@ static void vop_update_csc(struct drm_crtc *crtc)
 		VOP_CTRL_SET(vop, pre_dither_down_en, 0);
 		break;
 	case MEDIA_BUS_FMT_RGB888_1X24:
+	case MEDIA_BUS_FMT_RGB888_1X7X4_SPWG:
+	case MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA:
 	default:
 		VOP_CTRL_SET(vop, dither_down_en, 0);
 		VOP_CTRL_SET(vop, pre_dither_down_en, 0);