[Bug 1969428] [NEW] External display will be `Single Display` when HDMI plugged

[Launchpad Bug Tracker]

You have been subscribed to a public bug by Andy Chi (andch):

Upstream bug:
https://gitlab.gnome.org/GNOME/gnome-control-center/-/issues/1038

[Impact]

 * DUT will remain `Single Display` mode when 4k monitor is plugged.
   Not every 4K monitor will cause this issue.

[Test Plan]

 * Find a 4k monitor (Philips 276E)

 * Plug HDMI cable to internal HDMI port on DUT

[Where problems could occur]

 * This change makes DUT more stable when connecting external monitor.

 * This fix is also include in impish and jammy

** Affects: oem-priority
     Importance: Critical
     Assignee: Andy Chi (andch)
         Status: Confirmed

** Affects: gnome-control-center (Ubuntu)
     Importance: High
         Status: Fix Released


** Tags: focal oem-priority originate-from-1966906 originate-from-1967088 patch stella
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External display will be `Single Display` when HDMI plugged
https://bugs.launchpad.net/bugs/1969428
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