44 lines
1.3 KiB
Nix
44 lines
1.3 KiB
Nix
|
# settings/gdm-monitor-sync.nix
|
||
|
|
{ config, pkgs, lib, ... }:
|
||
|
|
|
||
|
|
{
|
||
|
|
# Copy monitors.xml to GDM's config directory to prevent display mode changes during login
|
||
|
|
# This eliminates the black screen/signal loss when transitioning from GDM to user session
|
||
|
|
|
||
|
|
environment.etc."gdm-monitors.xml" = {
|
||
|
|
source = pkgs.writeText "monitors.xml" ''
|
||
|
|
<monitors version="2">
|
||
|
|
<configuration>
|
||
|
|
<layoutmode>physical</layoutmode>
|
||
|
|
<logicalmonitor>
|
||
|
|
<x>0</x>
|
||
|
|
<y>0</y>
|
||
|
|
<scale>1</scale>
|
||
|
|
<primary>yes</primary>
|
||
|
|
<monitor>
|
||
|
|
<monitorspec>
|
||
|
|
<connector>DP-3</connector>
|
||
|
|
<vendor>GBT</vendor>
|
||
|
|
<product>G34WQCP</product>
|
||
|
|
<serial>25272B000088</serial>
|
||
|
|
</monitorspec>
|
||
|
|
<mode>
|
||
|
|
<width>3440</width>
|
||
|
|
<height>1440</height>
|
||
|
|
<rate>190.000</rate>
|
||
|
|
</mode>
|
||
|
|
</monitor>
|
||
|
|
</logicalmonitor>
|
||
|
|
</configuration>
|
||
|
|
</monitors>
|
||
|
|
'';
|
||
|
|
target = "gdm-monitors.xml";
|
||
|
|
};
|
||
|
|
|
||
|
|
# Create GDM config directory and symlink the monitors.xml file
|
||
|
|
systemd.tmpfiles.rules = [
|
||
|
|
"d /var/lib/gdm/.config 0711 gdm gdm"
|
||
|
|
"L+ /var/lib/gdm/.config/monitors.xml - - - - /etc/gdm-monitors.xml"
|
||
|
|
];
|
||
|
|
}
|