drm/xen-front: use simple display pipe prepare_fb helper

I missed this one because on an older tree.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Cc: xen-devel@lists.xen.org
Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180409085134.27321-1-daniel.vetter@ffwll.ch

1 files changed, 1 insertions, 7 deletions

diff --git a/drivers/gpu/drm/xen/xen_drm_front_kms.c b/drivers/gpu/drm/xen/xen_drm_front_kms.c
index 0bd6681fa4f3..a3479eb72d79 100644
--- a/drivers/gpu/drm/xen/xen_drm_front_kms.c
+++ b/drivers/gpu/drm/xen/xen_drm_front_kms.c
@@ -226,12 +226,6 @@ static bool display_send_page_flip(struct drm_simple_display_pipe *pipe,
         return false;
 }
 
-static int display_prepare_fb(struct drm_simple_display_pipe *pipe,
-                              struct drm_plane_state *plane_state)
-{
-        return drm_gem_fb_prepare_fb(&pipe->plane, plane_state);
-}
-
 static void display_update(struct drm_simple_display_pipe *pipe,
                            struct drm_plane_state *old_plane_state)
 {
@@ -294,7 +288,7 @@ static const struct drm_simple_display_pipe_funcs display_funcs = {
         .mode_valid = display_mode_valid,
         .enable = display_enable,
         .disable = display_disable,
-        .prepare_fb = display_prepare_fb,
+        .prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb,
         .update = display_update,
 };