I have a use case where I would like to play games on the TV in my living room.
For this I have purchased a HDMI KVM Extender which allows me to have an HDMI signal connected to my TV. This is working great, but the only problem is that i would like to disable the other outputs when I am not using them, mostly for ease-of-use with windows not opening on the monitors in the office while I am in the TV Room.
I have tried using kscreen-doctor with the command "kscreen-doctor output.HDMI-A-1.disable" which works, but wreaks havoc on the display configuration in KDE Plasma on my desktop.
One solution I have found is to simply pull out the display connectors that I don't need on the PC, which works as intended. Only problem is that its a bit brute force. I had hoped to find something with similar functionality but controlled from the system. IE. a script, shortcut or similar.
Asking here in hopes that someone can suggest a way to get this to work!
System info:
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Operating System: Fedora Linux 40
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KDE Plasma Version: 6.1.4
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KDE Frameworks Version: 6.5.0
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Qt Version: 6.7.2
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Kernel Version: 6.10.8-200.fc40.x86_64 (64-bit)
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Graphics Platform: Wayland
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Processors: 24 × AMD Ryzen 9 5900X 12-Core Processor
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Memory: 31.3 GiB of RAM
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Graphics Processor: AMD Radeon RX 7900 XTX