satr14/nix-flake
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undervolt tweaks

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Satria 2026-02-19 06:31:48 +07:00
commit d9982d992f
2 changed files with 49 additions and 14 deletions
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13
modules/hardware/misc/cpu-thermal.nix → modules/hardware/misc/cpu-freq.nix
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@ -1,7 +1,5 @@
{ ... }: { { ... }: {
services = { services = {
thermald.enable = false;
throttled.enable = true;
power-profiles-daemon.enable = false; # replacement for tlp and auto-cpufreq due to bugs power-profiles-daemon.enable = false; # replacement for tlp and auto-cpufreq due to bugs
tlp = { tlp = {
enable = false; # buggy and inconsistent with frequency scaling enable = false; # buggy and inconsistent with frequency scaling
@ -66,18 +64,9 @@
platform_profile = "low-power"; platform_profile = "low-power";
turbo = "never"; turbo = "never";
scaling_min_freq = 400000; scaling_min_freq = 400000;
scaling_max_freq = 1000000; scaling_max_freq = 1700000;
}; };
}; };
}; };
thinkfan = {
enable = true;
levels = [
[ "level auto" 0 55 ]
[ 3 55 65 ]
[ 7 65 75 ]
[ "level full-speed" 75 100 ]
];
};
}; };
} }

50
modules/hardware/thinkpad.nix
View file

@ -2,7 +2,7 @@
imports = [ imports = [
./misc/battery-power.nix ./misc/battery-power.nix
./misc/power-button.nix ./misc/power-button.nix
./misc/cpu-thermal.nix ./misc/cpu-freq.nix
./misc/tzupdate.nix ./misc/tzupdate.nix
./core/hibernation.nix ./core/hibernation.nix
./core/firmware.nix ./core/firmware.nix
@ -14,10 +14,56 @@
kernelPackages = pkgs.linuxPackages; kernelPackages = pkgs.linuxPackages;
kernel.sysctl."vm.laptop_mode" = 5; kernel.sysctl."vm.laptop_mode" = 5;
initrd.availableKernelModules = [ "thinkpad_acpi" ]; initrd.availableKernelModules = [ "thinkpad_acpi" ];
kernelParams = [
"i915.enable_psr=1"
"pcie_aspm=force"
"nmi_watchdog=0"
# ^^ potential instability, but improves battery life
"loglevel=3"
"i915.enable_guc=3"
"i915.enable_fbc=1"
"msr.allow-writes=on"
"nvme_core.default_ps_max_latency_us=0"
];
}; };
hardware.bluetooth = { hardware.bluetooth = {
enable = true; enable = true;
powerOnBoot = false; powerOnBoot = false;
}; };
services.hardware.bolt.enable = true; services = {
throttled = {
enable = true;
extraConfig = ''
[UNDERVOLT]
CORE: -120
GPU: -80
CACHE: -120
UNCORE: -80
ANALOGIO: 0
[BATTERY]
PL1_Tdp_W: 12
PL2_Tdp_W: 20
PL1_Duration_s: 28
PL2_Duration_s: 0.002
Update_Rate_s: 30
Trip_Temp_C: 85
[AC]
PL1_Tdp_W: 25
PL2_Tdp_W: 35
'';
};
thinkfan = {
enable = true;
levels = [
[ "level auto" 0 55 ]
[ 3 55 65 ]
[ 7 65 75 ]
[ "level full-speed" 75 100 ]
];
};
hardware.bolt.enable = true;
};
} }