diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
index ae8b4ac6b099..fbf7cd80acf5 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
@@ -63,6 +63,7 @@ struct iommu_domain;
 #define RK_IF_PROP_COLOR_FORMAT		"color_format"
 #define RK_IF_PROP_COLOR_DEPTH_CAPS	"color_depth_caps"
 #define RK_IF_PROP_COLOR_FORMAT_CAPS	"color_format_caps"
+#define RK_IF_PROP_ENCRYPTED		"hdcp_encrypted"
 
 enum rockchip_drm_debug_category {
 	VOP_DEBUG_PLANE		= BIT(0),
@@ -94,6 +95,12 @@ enum rk_if_color_format {
 	RK_IF_FORMAT_MAX,
 };
 
+enum rockchip_hdcp_encrypted {
+	RK_IF_HDCP_ENCRYPTED_NONE = 0,
+	RK_IF_HDCP_ENCRYPTED_LEVEL1,
+	RK_IF_HDCP_ENCRYPTED_LEVEL2,
+};
+
 struct rockchip_drm_sub_dev {
 	struct list_head list;
 	struct drm_connector *connector;