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feat: enhanced power saving options in specialisation

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Shahab Dogar
2025-08-15 18:51:35 +05:00
parent 871d3903f7
commit ee5230ef13
3 changed files with 35 additions and 2 deletions
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1
.gitignore vendored
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@@ -1 +1,2 @@
.direnv
result

3
flake.nix
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@@ -64,7 +64,8 @@
in {
nixosConfigurations = mkHostConfigs (readHosts "nixos");
devShell.x86_64-linux = let pkgs = nixpkgs.legacyPackages.x86_64-linux;
devShell.x86_64-linux = let
pkgs = nixpkgs.legacyPackages.x86_64-linux;
in pkgs.mkShell {
buildInputs = with pkgs; [ nil lua-language-server ];
};

33
hosts/common/specialisations/powersave.nix
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@@ -2,6 +2,37 @@
{
specialisation.powersave.configuration = {
powerManagement.cpuFreqGovernor = "powersave";
services.power-profiles-daemon.enable = false;
services.tlp = {
enable = true;
settings = {
CPU_SCALING_GOVERNOR_ON_BAT = "powersave";
CPU_SCALING_GOVERNOR_ON_AC = "powersave";
CPU_ENERGY_PREF_ON_BAT = "power";
CPU_ENERGY_PREF_ON_AC = "power";
CPU_BOOST_ON_AC = 1;
CPU_BOOST_ON_BAT = 0;
CPU_HWP_DYN_BOOST_ON_AC=1;
CPU_HWP_DYN_BOOST_ON_BAT=0;
CPU_MIN_PERF_ON_BAT = 0;
CPU_MIN_PERF_ON_AC = 0;
CPU_MAX_PERF_ON_BAT = 20;
CPU_MAX_PERF_ON_AC = 100;
AMDGPU_ABM_LEVEL_ON_AC=0;
AMDGPU_ABM_LEVEL_ON_BAT=3;
PLATFORM_PROFILE_ON_AC="performance";
PLATFORM_PROFILE_ON_BAT="low-power";
START_CHARGE_THRESH_BAT0 = 20;
STOP_CHARGE_THRESH_BAT0 = 80;
};
};
};
}