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Merge #517

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517: cpu/amd/pstate: enable correctly on kernel 6.1+ r=Mic92 a=K900



Co-authored-by: K900 <me@0upti.me>
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bors[bot] 2022-12-16 22:01:05 +00:00 committed by GitHub
commit e462a4baf7
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1 changed files with 17 additions and 5 deletions
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18
common/cpu/amd/pstate.nix
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@ -1,10 +1,22 @@
{ lib, config, ... }: {
{ 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.mkIf (lib.versionAtLeast config.boot.kernelPackages.kernel.version "5.17") {
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" ];
})
];
}