From 5bed90114d1495745b730ca9e3885cd444a768bc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Wed, 21 Dec 2022 18:52:01 +0100
Subject: [PATCH] kms/update: Treat NULL main context as default for page flips
 too

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2777>
---
 src/backends/native/meta-kms-update.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/backends/native/meta-kms-update.c b/src/backends/native/meta-kms-update.c
index 0968036ec..c7fd5dcff 100644
--- a/src/backends/native/meta-kms-update.c
+++ b/src/backends/native/meta-kms-update.c
@@ -506,6 +506,9 @@ meta_kms_update_add_page_flip_listener (MetaKmsUpdate                       *upd
 
   g_assert (meta_kms_crtc_get_device (crtc) == update->device);
 
+  if (!main_context)
+    main_context = g_main_context_default ();
+
   listener = g_new0 (MetaKmsPageFlipListener, 1);
   *listener = (MetaKmsPageFlipListener) {
     .crtc = crtc,