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Set custom refresh rate
(lemmy.world)
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this post was submitted on 17 Oct 2024
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You want to look into modifying your display EDID.
I don't believe there's a GUI for this on Linux but this post referencing the Archwiki might come in handy
https://foosel.net/til/how-to-override-the-edid-data-of-a-monitor-under-linux/
I added new refresh rate for testing, but after enabling it I just get black screen.
How to fix this issue?
In this guide author dumped edid from disaplay and then loaded it without any modifications. So after reloading edid you can choose any resolution? Or I understood something wrong?
I think you'd have to modify the edid, since you're setting a custom refresh rate, not a hidden one.
I've use wxEDID to force enable VRR before.
Archwiki references a
[@<refresh>](presumably denoted as[@144]for something like 144Hz) property, hopefully that's all you should need to define, though I'm not sure if you'll need to manually recalculate vertical and horz timings or something.Maybe this can help fill in any gaps
https://tomverbeure.github.io/video_timings_calculator