646b892680
Some checks failed
Periodic Merges (6h) / master → staging-nixos (push) Failing after 12m50s
Periodic Merges (6h) / master → staging-next (push) Failing after 12m54s
Periodic Merges (24h) / merge-base(master,staging) → haskell-updates (push) Failing after 11m54s
Periodic Merges (6h) / staging-next → staging (push) Failing after 12m13s
Periodic Merges (24h) / staging-next-25.05 → staging-25.05 (push) Failing after 13m24s
Periodic Merges (24h) / release-25.05 → staging-next-25.05 (push) Failing after 14m28s
80 lines
1.9 KiB
Nix
80 lines
1.9 KiB
Nix
{
|
|
config,
|
|
lib,
|
|
pkgs,
|
|
...
|
|
}:
|
|
let
|
|
|
|
enabled = lib.elem "displaylink" config.services.xserver.videoDrivers;
|
|
|
|
evdi = config.boot.kernelPackages.evdi;
|
|
|
|
displaylink = pkgs.displaylink.override {
|
|
inherit evdi;
|
|
};
|
|
|
|
in
|
|
|
|
{
|
|
|
|
config = lib.mkIf enabled {
|
|
|
|
boot.extraModulePackages = [ evdi ];
|
|
boot.kernelModules = [ "evdi" ];
|
|
|
|
environment.etc."X11/xorg.conf.d/40-displaylink.conf".text = ''
|
|
Section "OutputClass"
|
|
Identifier "DisplayLink"
|
|
MatchDriver "evdi"
|
|
Driver "modesetting"
|
|
Option "TearFree" "true"
|
|
Option "AccelMethod" "none"
|
|
EndSection
|
|
'';
|
|
|
|
# make the device available
|
|
services.xserver.displayManager.sessionCommands = ''
|
|
${lib.getBin pkgs.xorg.xrandr}/bin/xrandr --setprovideroutputsource 1 0
|
|
'';
|
|
|
|
# Those are taken from displaylink-installer.sh and from Arch Linux AUR package.
|
|
|
|
services.udev.packages = [ displaylink ];
|
|
|
|
powerManagement.powerDownCommands = ''
|
|
#flush any bytes in pipe
|
|
while read -n 1 -t 1 SUSPEND_RESULT < /tmp/PmMessagesPort_out; do : ; done;
|
|
|
|
#suspend DisplayLinkManager
|
|
echo "S" > /tmp/PmMessagesPort_in
|
|
|
|
#wait until suspend of DisplayLinkManager finish
|
|
if [ -f /tmp/PmMessagesPort_out ]; then
|
|
#wait until suspend of DisplayLinkManager finish
|
|
read -n 1 -t 10 SUSPEND_RESULT < /tmp/PmMessagesPort_out
|
|
fi
|
|
'';
|
|
|
|
powerManagement.resumeCommands = ''
|
|
#resume DisplayLinkManager
|
|
echo "R" > /tmp/PmMessagesPort_in
|
|
'';
|
|
|
|
systemd.services.dlm = {
|
|
description = "DisplayLink Manager Service";
|
|
after = [ "display-manager.service" ];
|
|
conflicts = [ "getty@tty7.service" ];
|
|
|
|
serviceConfig = {
|
|
ExecStart = "${displaylink}/bin/DisplayLinkManager";
|
|
Restart = "always";
|
|
RestartSec = 5;
|
|
LogsDirectory = "displaylink";
|
|
};
|
|
};
|
|
|
|
};
|
|
|
|
}
|