nixos-hardware/common/cpu/amd/pstate.nix
K900 b67160bb7f
cpu/amd/pstate: enable correctly on kernel 6.1+
There is no separate module now, and a clean option to enable it.
2022-12-16 17:43:40 +03:00

23 lines
615 B
Nix

{ lib, config, ... }:
let
kver = config.boot.kernelPackages.kernel.version;
in
{
# Enables the amd cpu scaling https://www.kernel.org/doc/html/latest/admin-guide/pm/amd-pstate.html
# On recent AMD CPUs this can be more energy efficient.
imports = [ ./. ];
boot = lib.mkMerge [
(lib.mkIf (
(lib.versionAtLeast kver "5.17")
&& (lib.versionOlder kver "6.1")
) {
kernelParams = [ "initcall_blacklist=acpi_cpufreq_init" ];
kernelModules = [ "amd-pstate" ];
})
(lib.mkIf (lib.versionAtLeast kver "6.1") {
kernelParams = [ "amd_pstate=passive" ];
})
];
}