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monolith: extract undervolt config

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This commit is contained in:
Leonardo Eugênio 2024-07-06 18:32:29 -03:00
parent 2de6fdb7be
commit b3aadef8cb
2 changed files with 17 additions and 8 deletions
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9
hosts/monolith/default.nix
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@ -23,6 +23,7 @@ in
imports = [ imports = [
(modulesPath + "/installer/scan/not-detected.nix") (modulesPath + "/installer/scan/not-detected.nix")
./partition.nix ./partition.nix
./undervolt.nix
]; ];
boot.initrd.availableKernelModules = [ boot.initrd.availableKernelModules = [
"nvme" "nvme"
@ -66,14 +67,6 @@ in
boot.kernelPackages = pkgs.linuxPackages_6_1; boot.kernelPackages = pkgs.linuxPackages_6_1;
programs.corectrl = {
enable = true;
gpuOverclock = {
enable = true;
ppfeaturemask = "0xffffffff";
};
};
fileSystems."/mnt/old" = { fileSystems."/mnt/old" = {
device = "/dev/disk/by-label/BTRFS_ROOT"; device = "/dev/disk/by-label/BTRFS_ROOT";
fsType = "btrfs"; fsType = "btrfs";

16
hosts/monolith/undervolt.nix Normal file
View file

@ -0,0 +1,16 @@
{ pkgs, ... }:
let
undervoltGpu = pkgs.writeShellScript "undervolt-gpu" ''
set -xe
cd $1
test -e pp_od_clk_voltage
echo "vo -100" > pp_od_clk_voltage
echo "c" > pp_od_clk_voltage
'';
in
{
boot.kernelParams = [ "amdgpu.ppfeaturemask=0xfffd7fff" ];
services.udev.extraRules = ''
ACTION=="add", SUBSYSTEM=="hwmon", ATTR{name}=="amdgpu", ATTR{power1_cap}="186000000", RUN+="${undervoltGpu} %S%p/device"
'';
}