60 lines
2.1 KiB
Nix
60 lines
2.1 KiB
Nix
{
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modulesPath,
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nixos-hardware,
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...
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}:
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{
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imports = [
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(modulesPath + "/installer/scan/not-detected.nix")
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nixos-hardware.nixosModules.lenovo-thinkpad-t470s
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nixos-hardware.nixosModules.common-cpu-intel
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nixos-hardware.nixosModules.common-gpu-intel
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nixos-hardware.nixosModules.common-pc-laptop-ssd
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];
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hardware.cpu.intel.updateMicrocode = true;
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boot.initrd.availableKernelModules = [
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"xhci_pci"
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"nvme"
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"usb_storage"
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"sd_mod"
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];
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isIntelGPU = true;
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boot.initrd.kernelModules = [ ];
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boot.kernelModules = [ "kvm-intel" ];
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boot.extraModulePackages = [ ];
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nix.settings.cores = 4;
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# use the lowest frequency possible, to save power
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powerManagement.cpuFreqGovernor = "powersave";
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# lm_sensors who cares
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environment.etc."sysconfig/lm_sensors".text = ''
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# Generated by sensors-detect on Tue Aug 7 10:54:09 2018
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# This file is sourced by /etc/init.d/lm_sensors and defines the modules to
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# be loaded/unloaded.
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#
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# The format of this file is a shell script that simply defines variables:
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# HWMON_MODULES for hardware monitoring driver modules, and optionally
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# BUS_MODULES for any required bus driver module (for example for I2C or SPI).
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HWMON_MODULES="coretemp"
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'';
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services.thermald.enable = true;
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boot.extraModprobeConfig = ''
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# enable power savings mode of snd_hda_intel
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options snd-hda-intel power_save=1 power_save_controller=y
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# enable power savings mode of igpu, enable framebuffer compression, downclock the LVDS connection
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options i915 i915_enable_rc6=7 i915_enable_fbc=1 lvds_downclock=1
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# automatically suspend USB devices
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options usbcore autosuspend=2
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# Fan control for thinkpads
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options thinkpad_acpi fan_control=1
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options zfs zfs_arc_max=4294967296
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'';
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boot.kernel.sysctl = {
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# Probably unnecessary
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"kernel.nmi_watchdog" = "0";
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"vm.laptop_mode" = "5";
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# The kernel flusher threads will periodically wake up and write `old' data out to disk. This
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# tunable expresses the interval between those wakeups, in 100'ths of a second (Default is 500).
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"vm.dirty_writeback_centisecs" = "1500";
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};
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}
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