https://bugs.kde.org/show_bug.cgi?id=482974

            Bug ID: 482974
           Summary: Resolution changes after switching off the monitor
    Classification: Plasma
           Product: KScreen
           Version: 6.0.0
          Platform: Neon
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: common
          Assignee: kscreen-bugs-n...@kde.org
          Reporter: li...@osit.cc
  Target Milestone: ---

SUMMARY
***
Hello all,

since Plasma 6 Update, my screen resolution always changing to the wrong
configuration and Hz if i switch off the monitor. And the plasma panel moves to
the top of the monitor.

Normaly i have 5120x1440 with 120Hz. So after switch off and on again, i get
3840x1080 with 100Hz. Yes can switch back to the right resolution but i can’t
set the right Hz again. So i have a bad screen. The only way to fix this, is to
reboot the whole machine. 

I'am using displayport cable for the communication. I have also tested it with
HDMI. It also happens there. But can no longer manage the resolution of
5120x1440.



***


STEPS TO REPRODUCE
1.  Login to Plasma Desktop
2.  Switch off the Monitor, wait some seconds
3.  Switch on the Monitor


SOFTWARE/OS VERSIONS
Linux/KDE Plasma: KDE Neon 22.04 / 6.0.0
(available in About System)
KDE Plasma Version: 6.0.0
KDE Frameworks Version: 6.0.0
Qt Version: 6.6.2

ADDITIONAL INFORMATION
https://discuss.kde.org/t/resolution-changes-after-switching-off-the-monitor/11094

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