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Old 06-21-2021, 06:01 PM   #1
Sonusss
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Join Date: Jun 2017
Posts: 2
Default Individual screen scaling Xorg

Hello,

It looks like your driver doesn't support individual screen scaling in Xorg.
For example this command is not working when my two external monitors (DVI-I-1-1 & DVI-I-2-2) are connected through DisplayLink

xrandr --dpi 157 --fb 7680x4320 \
--output eDP-1 --mode 3840x2160 --scale 0.5x0.5 --pos 3840x1620 \
--output DVI-I-1-1 --mode 3840x2160 --pos 0x0\
--output DVI-I-2-2 --mode 1920x1080 --scale 1.5x1.5 --pos 3840x0

but moving DVI-I-2-2 monitor to direct HDMI port on the laptop works.
xrandr --dpi 157 --fb 7680x4320 \
--output eDP-1 --mode 3840x2160 --scale 0.5x0.5 --pos 3840x1620 \
--output DVI-I-1-1 --mode 3840x2160 --pos 0x0\
--output HDMI-1 --mode 1920x1080 --scale 1.5x1.5 --pos 3840x0

Using displaylink-driver-5.4.0-55.153 on Ubuntu 20.04
Kernel 5.8.0-55-generic
xrandr program version 1.5.0
Server reports RandR version 1.6
xserver-xorg-core 2:1.20.9-2ubuntu1.2~20.04.2
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Old 06-23-2021, 10:32 AM   #2
ScreamCZE
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Join Date: Jun 2018
Posts: 45
Default

I think I saw this written somewhere on the DisplayLink website, that individual screen scaling does work only on Wayland.
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