From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Mon, 9 Apr 2018 10:51:34 +0200
Subject: drm/xen-front: use simple display pipe prepare_fb helper
Git-commit: dd388ee1ecbb8c1a9376f02ac0be573af9db5703
Patch-mainline: v4.18-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

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

Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/xen/xen_drm_front_kms.c |    8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

--- 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(struc
 	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_p
 	.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,
 };