sisyphus/nixos/modules/hardware/nvidia/default.nix

85 lines
2.2 KiB
Nix

{ config, lib, pkgs, ... }:
let
cfg = config.sisyphus.hardware.nvidia;
# The graphics cards for which to do offloading
do-offloading = builtins.elem cfg.model [ "Quadro T2000" ];
nvidia-offload = pkgs.writeShellScriptBin "nvidia-offload" ''
export __NV_PRIME_RENDER_OFFLOAD=1
export __NV_PRIME_RENDER_OFFLOAD_PROVIDER=NVIDIA-G0
export __GLX_VENDOR_LIBRARY_NAME=nvidia
export __VK_LAYER_NV_optimus=NVIDIA_only
exec "$@"
'';
in {
options.sisyphus.hardware.nvidia = {
enable = lib.mkEnableOption "NVIDIA GPU support";
model = lib.mkOption {
type = lib.types.enum [ "" "Quadro T2000" "RTX 2060" ];
default = "";
example = "Quadro T2000";
description = lib.mdDoc "The model of NVIDIA GPU card";
};
gui-settings = lib.mkEnableOption "NVIDIA settings menu";
};
config = lib.mkIf cfg.enable {
# boot = {
# extraModprobeConfig = "options nvidia-drm modeset=1";
#
# initrd.kernelModules = [
# "nvidia"
# "nvidia_modeset"
# "nvidia_uvm"
# "nvidia_drm"
# ];
# };
hardware = {
opengl = {
enable = true;
driSupport = true;
driSupport32Bit = true;
};
nvidia = {
# Use the NVidia open source kernel module
open = false;
package = config.boot.kernelPackages.nvidiaPackages.stable;
# Modesetting is required.
modesetting.enable = true;
nvidiaSettings = cfg.gui-settings;
powerManagement = {
enable = do-offloading;
finegrained = do-offloading;
};
# Avoid flickering
forceFullCompositionPipeline = true;
prime = lib.mkMerge [
(lib.mkIf do-offloading {
offload = {
enable = true;
enableOffloadCmd = true;
};
})
(lib.mkIf (cfg.model == "Quadro T2000") {
intelBusId = "PCI::00:02:0";
nvidiaBusId = "PCI:01:00:0";
})
(lib.mkIf (cfg.model == "RTX 2060") {
sync.enable = true;
intelBusId = "PCI::00:02:0";
nvidiaBusId = "PCI:01:00:0";
})
];
};
};
environment.systemPackages = lib.mkIf do-offloading [
nvidia-offload
];
};
}