https://bugs.kde.org/show_bug.cgi?id=470799
--- Comment #2 from LabHamster ---
(In reply to Nate Graham from comment #1)
> Sounds like exactly the issue seen in Bug 467074. Probably the KVM tells
> Plasma that its screen has gone into energy saving mode when you switch it
> to showing the Windows 11 system, triggering the bug describes in Bug 467074.
>
> Screens are hard.
>
> *** This bug has been marked as a duplicate of bug 467074 ***
Agree that this sounds like a duplicate; thanks for the spot.
I know some KVM switchs have a built-in DisplayPort repeater so the source
doesn't try to do any screen/energy saving stuff which means w/ a repeater
toggling displays between systems is very quick because the source system
doesn't try to rebuild the screen. This of course comes at a higher price,
potentially reduced performance due to less room on the PCB, etc. I know my KVM
switch does not have a built-in repeater.
I'll see where I can help with the other ticket. For anyone else who finds this
issue, Level1Techs do sell a repeater, but I can't speak to if it fixes this
issue: https://store.level1techs.com/products/dp-repeater-hdmi-splitter
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