diff --git a/drivers/gpu/drm/tidss/tidss_plane.c b/drivers/gpu/drm/tidss/tidss_plane.c
index 217415ec8eea..8ccd7d31c01b 100644
--- a/drivers/gpu/drm/tidss/tidss_plane.c
+++ b/drivers/gpu/drm/tidss/tidss_plane.c
@@ -210,7 +210,7 @@ struct tidss_plane *tidss_plane_create(struct tidss_device *tidss,
 
 	drm_plane_helper_add(&tplane->plane, &tidss_plane_helper_funcs);
 
-	drm_plane_create_zpos_property(&tplane->plane, hw_plane_id, 0,
+	drm_plane_create_zpos_property(&tplane->plane, tidss->num_planes, 0,
 				       num_planes - 1);
 
 	ret = drm_plane_create_color_properties(&tplane->plane,