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43 lines
1.4 KiB
Nix
43 lines
1.4 KiB
Nix
{ lib, config, ... }:
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let kernelPackages = config.boot.kernelPackages;
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in {
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imports = [
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../../../common/cpu/amd
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../../../common/gpu/amd
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../../../common/gpu/nvidia.nix
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../../../common/pc/laptop
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../../../common/pc/laptop/ssd
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];
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hardware.nvidia.prime = {
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amdgpuBusId = "PCI:5:0:0";
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nvidiaBusId = "PCI:1:0:0";
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};
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services.thermald.enable = lib.mkDefault true;
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# https://wiki.archlinux.org/title/backlight#Backlight_is_always_at_full_brightness_after_a_reboot_with_amdgpu_driver
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systemd.services.fix-brightness = {
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before = [
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"systemd-backlight@backlight:${
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if lib.versionOlder kernelPackages.kernel.version "5.18" then "amdgpu_bl0" else "nvidia_wmi_ec_backlight"
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}.service"
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];
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description = "Convert 16-bit brightness values to 8-bit before systemd-backlight applies it";
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script = ''
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BRIGHTNESS_FILE="/var/lib/systemd/backlight/${
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if lib.versionOlder kernelPackages.kernel.version "5.18" then
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"pci-0000:05:00.0:backlight:amdgpu_bl0"
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else
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"platform-PNP0C14:00:backlight:nvidia_wmi_ec_backlight"
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}"
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BRIGHTNESS=$(cat "$BRIGHTNESS_FILE")
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BRIGHTNESS=$(($BRIGHTNESS*255/65535))
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BRIGHTNESS=''${BRIGHTNESS/.*} # truncating to int, just in case
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echo $BRIGHTNESS > "$BRIGHTNESS_FILE"
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'';
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serviceConfig.Type = "oneshot";
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wantedBy = [ "multi-user.target" ];
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};
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}
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