dotfiles/nixos/configs/power-saving.nix

40 lines
1 KiB
Nix

#
# Laptop power-saving configuration.
#
# vim: et:ts=2:sw=2:
#
{ config, pkgs, ... }:
{
# Keep our thermals nice and happy.
services.thermald.enable = !pkgs.stdenv.isAarch64;
# Set up a power saving policy manager.
services.tlp = {
enable = true;
settings = {
# Keep our battery healthy, when possible.
# Comment this out before trips or etc, if needed.
START_CHARGE_THRESH_BAT0 = 75;
STOP_CHARGE_THRESH_BAT0 = 80;
#
# Battery optimizations, so we don't burn through power as hard.
#
# Don't run bluetooth or cellular unless we turn them on explicitly.
DEVICES_TO_DISABLE_ON_STARTUP = "bluetooth";
# Conserve power harder when on battery, and push performance harder on AC.
CPU_ENERGY_PERF_POLICY_ON_BAT = "power";
PLATFORM_PROFILE_ON_BAT = "low-power";
CPU_ENERGY_PERF_POLICY_ON_AC = "performance";
PLATFORM_PROFILE_ON_AC = "performance";
# Disable turbo boost on battery.
CPU_BOOST_ON_BAT = 0;
CPU_HWP_DYN_BOOST_ON_BAT = 0;
};
};
}