diff --git a/drivers/gpu/drm/rockchip/rockchip_rgb.c b/drivers/gpu/drm/rockchip/rockchip_rgb.c
index 2d0aff8b71e0..f5be589c3edc 100644
--- a/drivers/gpu/drm/rockchip/rockchip_rgb.c
+++ b/drivers/gpu/drm/rockchip/rockchip_rgb.c
@@ -45,6 +45,9 @@
 #define RV1126_GRF_IOFUNC_CON3		0x1026c
 #define RV1126_LCDC_IO_BYPASS(v)	HIWORD_UPDATE(v, 0, 0)
 
+#define RV1126B_GRF_VOP_LCDC_CON	0x30b9c
+#define RV1126B_VOP_MCU_SEL(v)		HIWORD_UPDATE(v, 15, 15)
+
 #define RK3288_GRF_SOC_CON6		0x025c
 #define RK3288_LVDS_LCDC_SEL(x)		HIWORD_UPDATE(x,  3,  3)
 #define RK3288_GRF_SOC_CON7		0x0260
@@ -1201,6 +1204,20 @@ static const struct rockchip_rgb_data rv1126_rgb = {
 	.funcs = &rv1126_rgb_funcs,
 };
 
+static void rv1126b_rgb_enable(struct rockchip_rgb *rgb)
+{
+	regmap_write(rgb->grf, RV1126B_GRF_VOP_LCDC_CON,
+		     RV1126B_VOP_MCU_SEL(rgb->data_sync_bypass));
+}
+
+static const struct rockchip_rgb_funcs rv1126b_rgb_funcs = {
+	.enable = rv1126b_rgb_enable,
+};
+
+static const struct rockchip_rgb_data rv1126b_rgb = {
+	.funcs = &rv1126b_rgb_funcs,
+};
+
 static void rv1106_rgb_enable(struct rockchip_rgb *rgb)
 {
 	regmap_write(rgb->grf, RV1106_VENC_GRF_VOP_IO_WRAPPER,
@@ -1235,6 +1252,7 @@ static const struct of_device_id rockchip_rgb_dt_ids[] = {
 	{ .compatible = "rockchip,rv1106-rgb", .data = &rv1106_rgb},
 	{ .compatible = "rockchip,rv1108-rgb", },
 	{ .compatible = "rockchip,rv1126-rgb", .data = &rv1126_rgb},
+	{ .compatible = "rockchip,rv1126b-rgb", .data = &rv1126b_rgb},
 	{}
 };
 MODULE_DEVICE_TABLE(of, rockchip_rgb_dt_ids);