From: Po Lu <luangruo@yahoo.com>
Date: Fri, 29 Jul 2022 06:52:31 +0000 (+0800)
Subject: Also update after buffer flip caused by flush_frame
X-Git-Tag: archive/raspbian/1%29.2+1-2+rpi1^2~5^2~16^2~1886^2~676
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=77882158b2aeff7f235c409d6572173ae4c3a38f;p=emacs.git

Also update after buffer flip caused by flush_frame

* src/xterm.c (x_flip_and_flush): Mark the end of a sync frame.
---

diff --git a/src/xterm.c b/src/xterm.c
index acdac92d94a..e9db4b364fb 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -6814,7 +6814,10 @@ x_flip_and_flush (struct frame *f)
   block_input ();
 #ifdef HAVE_XDBE
   if (FRAME_X_NEED_BUFFER_FLIP (f))
-    show_back_buffer (f);
+    {
+      show_back_buffer (f);
+      x_sync_update_finish (f);
+    }
 #endif
   x_flush (f);
   unblock_input ();