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This commit is contained in:
Tom Alexander
2025-04-19 21:44:48 -04:00
parent 6cf6e61193
commit 844466c2ca
18 changed files with 107 additions and 76 deletions
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69
nix/configuration/hosts/quark/power_management.nix
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@@ -12,48 +12,37 @@
powertop
];
# amdgpu.abmlevel=3 :: Automatically reduce screen brightness but tweak colors to compensate for power reduction.
# pcie_aspm=force pcie_aspm.policy=powersupersave :: Enable PCIe active state power management for power reduction.
# nowatchdog :: Disable watchdog for power savings (related to disable_sp5100_watchdog above).
# amd_pstate=passive :: Fully automated hardware pstate control.
# amd_pstate=active :: Same as passive except we can set the energy performance preference (EPP) to suggest how much we prefer performance or energy efficiency.
# amd_pstate=guided :: Same as passive except we can set upper and lower frequency bounds.
# amdgpu.dcdebugmask=0x10 :: Allegedly disables Panel Replay from https://community.frame.work/t/tracking-freezing-arch-linux-amd/39495/32
boot.kernelParams = [
# "amdgpu.abmlevel=3"
# "pcie_aspm=force"
# "pcie_aspm.policy=powersupersave"
# "nowatchdog"
# I don't see a measurable benefit from these two:
# "cpufreq.default_governor=powersave"
# "initcall_blacklist=cpufreq_gov_userspace_init"
# Enable undervolting GPU.
# "amdgpu.ppfeaturemask=0xfff7ffff"
];
# systemd.tmpfiles.rules = [
# "w- /sys/firmware/acpi/platform_profile - - - - low-power"
# "w- /sys/devices/system/cpu/cpufreq/policy0/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy1/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy2/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy3/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy4/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy5/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy6/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy7/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy8/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy9/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy10/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy11/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy12/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy13/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy14/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy15/energy_performance_preference - - - - power"
systemd.tmpfiles.rules = [
# "w- /sys/devices/system/cpu/cpufreq/policy0/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy1/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy2/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy3/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy4/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy5/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy6/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy7/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy8/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy9/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy10/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy11/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy12/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy13/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy14/energy_performance_preference - - - - power"
# "w- /sys/devices/system/cpu/cpufreq/policy15/energy_performance_preference - - - - power"
];
# services.udev.packages = [
# (pkgs.writeTextFile {
# name = "amdgpu-low-power";
# text = ''
# ACTION=="add", SUBSYSTEM=="drm", DRIVERS=="amdgpu", ATTR{device/power_dpm_force_performance_level}="low"
# '';
# destination = "/etc/udev/rules.d/30-amdgpu-low-power.rules";
# })
# ];
# boot.extraModprobeConfig = ''
# # Disable the hardware watchdog inside AMD 700 chipset series for power savings.
# blacklist sp5100_tco
# # Sound power-saving was causing chat notifications to be inaudible.
# # options snd_hda_intel power_save=1
# '';
}