[mutter] clutter/frame-clock: Adapt refresh rate from to frame info

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 209b1ba383f59e1b398d3331d9fd9fcb7f0284a1
Author: Jonas Ådahl <jadahl gmail com>
Date:   Mon Oct 5 09:25:58 2020 +0200

    clutter/frame-clock: Adapt refresh rate from to frame info
    
    We should update to whatever refresh rate that comes our way, in
    particular on X11, as this may change over time.
    
    Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/1430

 clutter/clutter/clutter-frame-clock.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/clutter/clutter/clutter-frame-clock.c b/clutter/clutter/clutter-frame-clock.c
index 1fea057bd2..3f3b9d9d83 100644
--- a/clutter/clutter/clutter-frame-clock.c
+++ b/clutter/clutter/clutter-frame-clock.c
@@ -197,6 +197,8 @@ clutter_frame_clock_notify_presented (ClutterFrameClock *frame_clock,
       frame_clock->last_presentation_time_us = g_get_monotonic_time ();
     }
 
+  frame_clock->refresh_rate = frame_info->refresh_rate;
+
   switch (frame_clock->state)
     {
     case CLUTTER_FRAME_CLOCK_STATE_INIT: