nixdots/system/shared/hardware/gpu/nvidia.nix
2024-05-15 20:47:15 +02:00

79 lines
2.5 KiB
Nix

{ config, lib, pkgs, ... }:
let
dev = config.myOptions.device;
in
{
config = lib.mkIf (dev.gpu.type == "nvidia") {
# Nvidia drivers are unfree software
nixpkgs.config.allowUnfree = true;
# Enable nvidia driver for Xorg and Wayland
services.xserver.videoDrivers = ["nvidia"];
hardware = {
nvidia = {
# modeestting is required
modesetting.enable = lib.mkDefault true;
# Nvidia power managerment. Experimental, and can cause sleep/suspend to fail.
# Enable this if you have graphical corruption issues or application crashes after waking
# up from sleep. This fixes it by saving the entire VRAM memory to /tmp/ instead of just
# the bare essentials
powerManagement.enable = lib.mkDefault true;
# Fine-grained power management. Turns off GPU when not in use.
# Experimental and only works on modern Nvidia GPUs (Turing or newer)
powerManagement.finegrained = lib.mkDefault false;
# Use the NVidia open source kernel module (not to be confused with the
# independent third-party "nouveau" open source driver).
# Support is limited to the Turing and later architectures. Full list of
# supported GPUs is at: https://github.com/NVIDIA/open-gpu-kernel-modules#compatible-gpus
#
# Enable this by default, hosts may override this option if their gpu is not
# supported by the open source drivers
open = lib.mkDefault true;
# Add the Nvidia settings package, accessible via `nvidia-settings`.
# (useless on NixOS)
nvidiaSettings = false;
# This ensures all GPUs stay awake even during headless mode.
nvidiaPersistenced = true;
};
# Enable OpenGL
opengl = {
enable = true;
# VA-API implementation using NVIDIA's NVDEC
extraPackages = with pkgs; [nvidia-vaapi-driver];
extraPackages32 = with pkgs.pkgsi686Linux; [nvidia-vaapi-driver];
};
};
# blacklist nouveau module so that it does not conflict with nvidia drm stuff
# also the nouveau performance is horrible in comparison.
boot.blacklistedKernelModules = ["nouveau"];
environment = {
systemPackages = with pkgs; [
mesa
vulkan-tools
vulkan-loader
vulkan-validation-layers
vulkan-extension-layer
libva
libva-utils
];
sessionVariables = {
LIBVA_DRIVER_NAME = "nvidia";
WLR_NO_HARDWARE_CURSORS = "1";
};
};
};
}