This issue comes from OEM partner which certifying with Ubuntu 20.04.
We may still need to consider a fix in X for 20.04 or switching to X from gdm
in 22.04.
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The patch is what you're already using to get fractional scaling in Xorg
sessions. There is nothing to test or verify.
But we know it has issues
(https://bugs.launchpad.net/ubuntu/+bugs?field.tag=xrandr-scaling) and
so defaulting to Wayland, even for Nvidia, in jammy is a priority.
Because
@daniel,
Thanks, I will verify that patch, reply you later.
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https://bugs.launchpad.net/bugs/1966050
Title:
[nvidia] Display content "overflows" when using
See also bug 1942653. Maybe also bookmark
https://bugs.launchpad.net/ubuntu/+bugs?field.tag=xrandr-scaling.
** Tags added: xrandr-scaling
** Tags added: nvidia
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When I did below operation it could show the full desktop.
For 3840 x 2160
$ xrandr --output DP-5 --scale 2x2
For 7680 x 4320
$ xrandr --output DP-5 --scale 4x4
** Tags added: oem-priority originate-from-1965860 sutton
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