80 lines
3.1 KiB
Nix
80 lines
3.1 KiB
Nix
{ lib, config, pkgs, inputs, pkgsVersion, ... }:
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let cfg = config.custom.hardware.nvidia;
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in {
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options.custom.hardware.nvidia = {
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enable = lib.mkEnableOption "Enables nvidia gpus";
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powerLimit = {
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enable = lib.mkEnableOption "Increase GPU power limit";
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wattage = lib.mkOption {
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type = lib.types.int;
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default = 300;
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description = "The power limit to set the GPU to";
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};
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};
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};
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config = let
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# the option was renamed in unstable
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nvidiaOption = if (pkgsVersion == inputs.nixpkgs-unstable) then {
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hardware.graphics = {
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enable = true;
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enable32Bit = true;
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};
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} else {
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hardware.opengl = {
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enable = true;
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driSupport = true;
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driSupport32Bit = true;
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};
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};
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in lib.mkIf cfg.enable (lib.recursiveUpdate nvidiaOption {
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boot.kernelParams = [ "nvidia-drm.fbdev=1" ];
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services.xserver.videoDrivers = [ "nvidia" ];
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services.xserver.deviceSection = ''
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Option "Coolbits" "24"
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'';
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hardware.nvidia = {
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# Modesetting is required.
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modesetting.enable = true;
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# Nvidia power management. Experimental, and can cause sleep/suspend to fail.
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powerManagement.enable = false;
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# Fine-grained power management. Turns off GPU when not in use.
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# Experimental and only works on modern Nvidia GPUs (Turing or newer).
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powerManagement.finegrained = false;
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# Use the NVidia open source kernel module (not to be confused with the
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# independent third-party "nouveau" open source driver).
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# Support is limited to the Turing and later architectures. Full list of
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# supported GPUs is at:
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# https://github.com/NVIDIA/open-gpu-kernel-modules#compatible-gpus
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# Only available from driver 515.43.04+
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# Currently alpha-quality/buggy, so false is currently the recommended setting.
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open = true;
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# Enable the Nvidia settings menu,
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# accessible via `nvidia-settings`.
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nvidiaSettings = true;
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# Optionally, you may need to select the appropriate driver version for your specific GPU.
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package = config.boot.kernelPackages.nvidiaPackages.stable;
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#package = config.boot.kernelPackages.nvidiaPackages.mkDriver {
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# version = "560.35.03";
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# sha256_64bit = "sha256-8pMskvrdQ8WyNBvkU/xPc/CtcYXCa7ekP73oGuKfH+M=";
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# sha256_aarch64 = "sha256-s8ZAVKvRNXpjxRYqM3E5oss5FdqW+tv1qQC2pDjfG+s=";
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# openSha256 = "sha256-/32Zf0dKrofTmPZ3Ratw4vDM7B+OgpC4p7s+RHUjCrg=";
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# settingsSha256 = "sha256-kQsvDgnxis9ANFmwIwB7HX5MkIAcpEEAHc8IBOLdXvk=";
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# persistencedSha256 =
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# "sha256-E2J2wYYyRu7Kc3MMZz/8ZIemcZg68rkzvqEwFAL3fFs=";
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# preInstall = ''
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# rm -f ./libnvidia-egl-wayland.so*
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# cp ${pkgs.egl-wayland}/lib/libnvidia-egl-wayland.so.1.* .
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# chmod 777 ./libnvidia-egl-wayland.so.1.*
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# '';
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#};
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};
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systemd.services.nvpl = lib.mkIf cfg.powerLimit.enable {
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description = "Increase GPU power limit to ${toString cfg.powerLimit.wattage} watts";
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script = "/run/current-system/sw/bin/nvidia-smi -pl=${toString cfg.powerLimit.wattage}";
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wantedBy = [ "multi-user.target" ];
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};
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});
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}
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