dotfiles/nixos-modules/hardware/amd-desktop.nix
Fabian Hauser e02d86dffd
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Update and clean up modules
2025-03-03 23:46:19 +02:00

59 lines
1.6 KiB
Nix

{
lib,
config,
pkgs,
...
}:
let
thunderboltDevices = ''
THUNDERBOLT_DEVICES="$(${pkgs.pciutils}/bin/lspci -D | ${pkgs.gnugrep}/bin/grep -i thunderbolt | cut --delimiter=' ' --fields=1)"
'';
forceThunderboltOnScript = pkgs.writeScriptBin "force-thunderbolt-power-on" ''
#!${pkgs.stdenv.shell}
${thunderboltDevices}
echo "Force PCI power on all thunderbolt devices"
for DEVICE in $THUNDERBOLT_DEVICES; do
echo 'on' > "/sys/bus/pci/devices/$DEVICE/power/control"
done
'';
thunderboltDockRestart = pkgs.writeScriptBin "thunderbolt-dock-restart" ''
#!${pkgs.stdenv.shell}
${thunderboltDevices}
echo "Force PCI remove on all thunderbolt devices"
for DEVICE in $THUNDERBOLT_DEVICES; do
echo 1 > /sys/bus/pci/devices/$DEVICE/remove
echo "Dropped device $DEVICE"
done
echo 'Please re-plug the dock and confirm [enter]'
read
echo 'Rescanning PCI devices...'
echo 1 > /sys/bus/pci/rescan
echo 'Done.'
'';
in
{
options.dotfiles.hardware.amd-desktop.enable =
lib.mkEnableOption "Enable AMD Desktop Setup Support";
config = lib.mkIf config.dotfiles.hardware.amd-desktop.enable {
dotfiles.hardware.ecc-memory.enable = true;
boot.kernelParams = [ "acpi_enforce_resources=lax" ];
# The Thunderbolt card in combination with a Thinkpad Dock has power issues after suspend and boot.
# These scripts help with some cases.
environment.systemPackages = [ thunderboltDockRestart ];
powerManagement.powerUpCommands = "${forceThunderboltOnScript}/bin/force-thunderbolt-power-on";
nix.settings.max-jobs = lib.mkDefault 24;
};
}