drivers/gpu/drm/smi is broken in 4.18.0

[jiangtao9999]

in drivers/gpu/drm/smi/smi_mode.c

Change:
#if LINUX_VERSION_CODE > KERNEL_VERSION(4,18,0)
To :
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,18,0)

drivers/gpu/drm/smi/smi_plane.c :

--- drivers/gpu/drm/smi/smi_plane.c.orig        2018-08-20 16:31:50.919918731 +0800
+++ drivers/gpu/drm/smi/smi_plane.c     2018-08-20 16:33:12.324298391 +0800
@@ -339,7 +339,7 @@
                        crtc_x, crtc_y, crtc_w, crtc_h, src_x, src_y, src_w, src_h, ctx);
        else
                return drm_plane_helper_update(plane, crtc, fb,
-                       crtc_x, crtc_y, crtc_w, crtc_h, src_x, src_y, src_w, src_h);
+                       crtc_x, crtc_y, crtc_w, crtc_h, src_x, src_y, src_w, src_h, ctx);
 #else
        if (plane->type == DRM_PLANE_TYPE_PRIMARY)
                return drm_primary_helper_update(plane, crtc, fb,
@@ -369,7 +369,7 @@
        if (plane->type == DRM_PLANE_TYPE_PRIMARY)
                return drm_primary_helper_disable(plane, ctx);
        else
-               return drm_plane_helper_disable(plane);
+               return drm_plane_helper_disable(plane, ctx);
 #else
        if (plane->type == DRM_PLANE_TYPE_PRIMARY)
                return drm_primary_helper_disable(plane, ctx);

And .....
What is smi ??????