mirror of
https://github.com/NixOS/nixos-hardware.git
synced 2025-11-03 08:47:13 +08:00
111 lines
4.1 KiB
Nix
111 lines
4.1 KiB
Nix
{ lib, pkgs, ... }:
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{
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imports = [
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../../../common/cpu/intel/meteor-lake
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../../../common/pc/laptop
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../../../common/pc/ssd
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];
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boot = {
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# Workaround: Out of the box, resuming from hibernation will break sounds.
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# See https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/issues/766
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extraModprobeConfig = ''
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options snd-hda-intel model=generic
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options snd-hda-intel snd-intel-dspcfg.dsp_driver=1
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blacklist snd_soc_skl
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'';
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kernelParams = [
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# Workaround: i915 0000:00:02.0: [drm] *ERROR* Atomic update failure on pipe A
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# See https://www.dedoimedo.com/computers/intel-microcode-atomic-update.html
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"i915.enable_psr=0"
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# Workaround: Seems like guc on VT-d is faulty and may also cause GUC: TLB invalidation response timed out.
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# It will cause random gpu resets under hw video decoding.
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# See https://wiki.archlinux.org/title/Dell_XPS_16_(9640)#Random_freezes
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"iommu.strict=1"
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"iommu.passthrough=1"
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];
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};
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environment.variables = {
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# Workaround: GPU HANG: ecode 12:1:85dffdfb, in CanvasRenderer [4408]
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# See https://gitlab.freedesktop.org/mesa/mesa/-/issues/7755
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INTEL_DEBUG = "no32";
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};
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systemd = {
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# Workaround: Sometimes xhci driver will become malfunctional after resuming from hibernate / suspend.
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# This will cause (almost) all external devices stop working.
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# A simple reset is enough to bring external devices alive :)
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#
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# Note: to avoid unnecessary resets, we firstly check if integrated camera is presented
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# (Should always be there as it was built into machine!).
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# If not, just do the reset.
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services.workaround-reset-xhci-driver-after-resume-if-needed = {
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script = ''
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result=$(${pkgs.usbutils}/bin/lsusb | ${pkgs.gnugrep}/bin/grep Chicony)
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if [[ -z $result ]]; then
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${pkgs.kmod}/bin/rmmod xhci_pci xhci_hcd
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${pkgs.kmod}/bin/modprobe xhci_pci xhci_hcd
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fi
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'';
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after = [
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"suspend.target"
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"hibernate.target"
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"hybrid-sleep.target"
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];
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wantedBy = [
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"suspend.target"
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"hibernate.target"
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"hybrid-sleep.target"
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"multi-user.target"
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];
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};
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# Workaround: Lenovo seems write bad acpi power management firmware. Without this config,
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# suspend (to ram / disk) will simply reboot instead of power off. :(
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sleep.extraConfig = ''
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HibernateMode=shutdown
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'';
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};
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# TPM2 module
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security.tpm2.enable = lib.mkDefault true;
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hardware = {
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enableRedistributableFirmware = lib.mkDefault true; # WiFi
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# Workaround: Lenovo wrote bad screen edid firmware that will cause system
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# not able to use 120Hz screen fresh rate.
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# Manually patch it with correct value fixes this problem.
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#
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# TODO: This laptop actually support VRR (Variable refresh rate).
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# But I do not have any interests in supporting this.
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# PR is welecomed :)
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display = {
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edid.packages = [
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(pkgs.runCommand "edid-14imh9" { } ''
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mkdir -p "$out/lib/firmware/edid"
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base64 -d > "$out/lib/firmware/edid/14imh9.bin" <<'EOF'
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AP///////wAObxYUAAAAAAAgAQS1HhN4AyEVqFNJnCUPUFQAAAABAQEBAQEBAQEBAQEBAQEBzodAoLAIanAwIDYALbwQAAAYAAAA/QAoeOXlRgEKICAgICAgAAAA/gBDU09UIFQzCiAgICAgAAAA/gBNTkUwMDdaQTEtNQogAa9wE3kAAAMBFJoPAQU/C58ALwAfAAcHaQACAAUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD4kA==
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EOF
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'')
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];
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outputs = {
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"eDP-1".edid = "14imh9.bin";
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};
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};
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i2c.enable = lib.mkDefault true; # Touchpad
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};
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services = {
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fwupd.enable = lib.mkDefault true; # Firmware Upgrades. Partially supported.
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hardware.bolt.enable = lib.mkDefault true; # Thunderbolt
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thermald.enable = lib.mkDefault true; # This will save you money and possibly your life!
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};
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}
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