mirror of
https://github.com/NixOS/nixos-hardware
synced 2024-11-08 12:09:40 +01:00
3b54f86b53
since the update to 23.11, the screen would remain black frequently on boot. Pressing alt+sysrq+k would make the display manager start. Empirically, setting early kms up has solved the issue.
37 lines
1.3 KiB
Nix
37 lines
1.3 KiB
Nix
{ lib, pkgs, ... }:
|
|
{
|
|
imports = [
|
|
../../../common/pc/laptop
|
|
../../../common/pc/ssd
|
|
];
|
|
|
|
hardware.enableRedistributableFirmware = lib.mkDefault true;
|
|
|
|
# touchpad identifies itself as DELL0A78:00 27C6:0D42 Touchpad in xinput list
|
|
# it sometimes fails to register (ps2 mouse emulation works, but not scrolling)
|
|
# hack around it by unloading and reloading module i2c_hid
|
|
systemd.services.fix-touchpad = {
|
|
path = [ pkgs.kmod ];
|
|
serviceConfig.ExecStart = ''${pkgs.systemd}/bin/systemd-inhibit --what=sleep --why="fixing touchpad must finish before sleep" --mode=delay ${./fix_touchpad.sh}'';
|
|
serviceConfig.Type = "oneshot";
|
|
description = "reload touchpad driver";
|
|
# must run at boot (and not too early), and after suspend
|
|
wantedBy = [ "display-manager.service" "post-resume.target" ];
|
|
# prevent running before suspend
|
|
after = [ "post-resume.target" ];
|
|
};
|
|
|
|
# so that post-resume.service exists
|
|
powerManagement.enable = true;
|
|
|
|
|
|
# fix suspend
|
|
# https://bbs.archlinux.org/viewtopic.php?id=266108 says linux >= 5.12 required
|
|
boot.kernelPackages = lib.mkIf (lib.versionOlder pkgs.linux.version "5.12") pkgs.linuxPackages_latest;
|
|
|
|
# sometimes boots to a black screen, and pressing alt+sysrq+k makes the
|
|
# display manager start
|
|
# fixed by early kernel modesetting
|
|
boot.initrd.kernelModules = [ "amdgpu" ];
|
|
|
|
}
|