42 lines
1.3 KiB
Nix
42 lines
1.3 KiB
Nix
{ lib, config, pkgs, ... }:
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let
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inherit (lib) mkMerge mkEnableOption mkIf versionAtLeast versionOlder;
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inherit (builtins) elem;
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cpu = config.systemModules.host.hardware.cpu;
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cfg = cpu.amd;
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kernelVersion = config.boot.kernelPackages.kernel.version;
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kernelVersionAtLeast = versionAtLeast kernelVersion;
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kernelVersionOlder= versionOlder kernelVersion;
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in
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{
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options.systemModules.host.hardware.cpu.amd.pstate.enable = mkEnableOption "Enable amd pstate module";
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config = mkIf (elem cpu.type ["amd"]) {
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environment.systemPackages = [pkgs.amdctl];
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hardware.cpu.amd.updateMicrocode = true;
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boot = mkMerge [
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{
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kernelModules = [
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"amd-pstate"
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"amd-kvm" # virtulization
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"msr" # required for amdctl
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];
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}
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(mkIf (cfg.pstate.enable && (kernelVersionAtLeast "5.27") && (kernelVersionOlder "6.1")) {
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kernelParams = ["initcall_blacklist-acpi_cpufreq_init"];
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kernelModules = ["amd-pstate"];
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})
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(mkIf (cfg.pstate.enable && (kernelVersionAtLeast "6.1") && (kernelVersionOlder "6.3")) {
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kernelParams = ["amd_pstate=passive"];
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})
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(mkIf (cfg.pstate.enable && (kernelVersionAtLeast "6.3")) {
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kernelParams = ["amd_pstate=active"];
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})
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];
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};
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}
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