diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
index e33c2dcd0d4b..92cc7fe61ac7 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
@@ -24,6 +24,20 @@ struct drm_device;
 struct drm_connector;
 struct iommu_domain;
 
+#define VOP_OUTPUT_IF_RGB	BIT(0)
+#define VOP_OUTPUT_IF_BT1120	BIT(1)
+#define VOP_OUTPUT_IF_BT656	BIT(2)
+#define VOP_OUTPUT_IF_LVDS0	BIT(3)
+#define VOP_OUTPUT_IF_LVDS1	BIT(4)
+#define VOP_OUTPUT_IF_MIPI0	BIT(5)
+#define VOP_OUTPUT_IF_MIPI1	BIT(6)
+#define VOP_OUTPUT_IF_eDP0	BIT(7)
+#define VOP_OUTPUT_IF_eDP1	BIT(8)
+#define VOP_OUTPUT_IF_DP0	BIT(9)
+#define VOP_OUTPUT_IF_DP1	BIT(10)
+#define VOP_OUTPUT_IF_HDMI0	BIT(11)
+#define VOP_OUTPUT_IF_HDMI1	BIT(12)
+
 struct rockchip_crtc_state {
 	struct drm_crtc_state base;
 	int output_type;