niksos/hosts/common/optional/cpu/amd.nix

{
    config,
    ...
}: {
    hardware.cpu.amd.updateMicrocode = true;

    boot = {
        # https://github.com/NixOS/nixos-hardware/blob/master/common/cpu/amd/pstate.nix
        kernelParams = [ "amd_pstate=active" ];

        # https://github.com/NixOS/nixos-hardware/blob/master/common/cpu/amd/zenpower.nix
        blacklistedKernelModules = [ "k10temp" ];
        extraModulePackages = [ config.boot.kernelPackages.zenpower ];
        kernelModules = [ "zenpower" ];
    };
}