[Bug 99678] [All drivers] Avoid sending unnecessary DVI/HDMI/DisplayPort commands when switching between X11 and Linux console

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99678

            Bug ID: 99678
           Summary: [All drivers] Avoid sending unnecessary
                    DVI/HDMI/DisplayPort commands when switching between
                    X11 and Linux console
           Product: DRI
           Version: unspecified
          Hardware: Other
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: General
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: 0xe2.0x9a.0x9b at gmail.com

Pressing Alt+Ctrl+F1 switches from X11 desktop to Linux console.

Pressing Alt+Ctrl+F7 switches from Linux console back to X11/Xorg desktop.

With driver "amdgpu" in /etc/X11/xorg.conf
(x11-drivers/xf86-video-amdgpu-1.2.0), my BenQ HDMI display is buzzing (making
noise) for about 1 second after pressing Alt+Ctrl+F1. Switching back to Xorg
desktop by pressing Alt+Ctrl+F7 executes immediately without any unnecessary
buzzing.

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