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