final: prev: let
  inherit (final) lib;
in {
  linuxPackages = final.linuxPackagesFor (
    prev.linuxPackages.kernel.override {
      # turn this off for testing to view errors
      ignoreConfigErrors = true;
      structuredExtraConfig = with lib.kernel; {
        # optimisation for ryzen 7
        # https://wiki.gentoo.org/wiki/Ryzen
        SMP = yes;
        X86_X2APIC = yes;
        X86_AMD_PLATFORM_DEVICE = yes;
        PROCESSOR_SELECT = yes;
        CPU_SUP_AMD = yes;
        SCHED_MC = yes;
        X86_MCE = yes;
        X86_MCE_AMD = yes;
        PERF_EVENTS_INTEL_RAPL = yes;
        X86_AMD_PSTATE = yes;
        X86_POWERNOW_K8 = no;
        # # not available
        # CPU_FREQ_DEFAULT_GOV_ONDEMAND = yes;
        # # a suboption for ONDEMAND governor
        # X86_AMD_FREQ_SENSITIVITY = yes;
        # skipping firmware loading section since it's handled by other parts of nixos options
        SENSORS_K10TEMP = yes;
        IOMMU_SUPPORT = yes;
        AMD_IOMMU = yes;

        # additional chipset drivers
        I2C_PIIX4 = yes;
        PINCTRL = yes;
        PINCTRL_AMD = yes;
        CRYPTO = yes;
        CRYPTO_HW = yes;
        CRYPTO_DEV_CCP = yes;
        CRYPTO_DEV_SP_CCP = yes;
        CRYPTO_DEV_CCP_CRYPTO = yes;
        CRYPTO_DEV_CCP_DD = yes;
        CRYPTO_DEV_SP_PSP = yes;

        # Power management controller
        X86_PLATFORM_DEVICES = yes;
        AMD_PMC = yes;

        # My config
        DRM_AMDGPU = yes; # Recent AMD GPU
        HYPERVISOR_GUEST = lib.mkForce no;
      };
    }
  );
}