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[graphics] Modularizes graphics config. Applies it to vega.

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This commit is contained in:
Drew Haven
2025-07-01 16:13:08 -07:00
parent 0a1d7a24e7
commit 743ce58b14
2 changed files with 78 additions and 42 deletions
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50
system/features/graphics.nix Normal file
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@@ -0,0 +1,50 @@
{ config, lib, ... }:
{
options =
with lib;
with types;
{
graphics = {
enable = mkEnableOption "graphics support";
driverChannel = mkOption {
type = str;
# Default to production because I often want new features, but I don't want bleeding edge.
default = "production";
description = "Driver channel to use (in order of oldest to newest): stable, beta, latest";
};
};
};
config = lib.mkIf config.graphics.enable {
# Graphics settings
hardware.graphics = {
enable = true;
enable32Bit = true;
};
services.xserver.videoDrivers = [ "nvidia" ];
hardware.nvidia = {
package = config.boot.kernelPackages.nvidiaPackages."${config.graphics.driverChannel}";
modesetting.enable = true;
# Nvidia power management. 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 = true;
# Fine-grained power management for PRIME. Turns off GPU when not in use.
# Experimental and only works on modern Nvidia GPUs (Turing or newer).
# Requires offload to be enabled.
# powerManagement.finegrained = false;
# Use the open-source driver?
open = false;
# Enable the nvidia-settings menu?
nvidiaSettings = true;
};
};
}

62
system/hosts/vega/hardware-configuration.nix
View File

@@ -1,11 +1,17 @@
# Do not modify this file! It was generated by ‘nixos-generate-config’
# and may be overwritten by future invocations. Please make changes
# to /etc/nixos/configuration.nix instead.
{ config, lib, pkgs, modulesPath, ... }:
{
config,
lib,
modulesPath,
...
}:
{
imports =
[ (modulesPath + "/installer/scan/not-detected.nix")
imports = [
(modulesPath + "/installer/scan/not-detected.nix")
../../features/graphics.nix
];
# Bootloader.
@@ -13,18 +19,26 @@
boot.loader.grub.device = "/dev/sda";
boot.loader.grub.useOSProber = true;
boot.initrd.availableKernelModules = [ "xhci_pci" "ehci_pci" "ata_piix" "ahci" "usbhid" "usb_storage" "sd_mod" ];
boot.initrd.availableKernelModules = [
"xhci_pci"
"ehci_pci"
"ata_piix"
"ahci"
"usbhid"
"usb_storage"
"sd_mod"
];
boot.initrd.kernelModules = [ ];
boot.kernelModules = [ "kvm-intel" ];
boot.extraModulePackages = [ ];
fileSystems."/" =
{ device = "/dev/disk/by-uuid/4981ad42-b108-4eb4-accb-b092813bd981";
fileSystems."/" = {
device = "/dev/disk/by-uuid/4981ad42-b108-4eb4-accb-b092813bd981";
fsType = "ext4";
};
swapDevices =
[ { device = "/dev/disk/by-uuid/f8868dce-6b32-45b7-bdf3-c9a34df1441d"; }
swapDevices = [
{ device = "/dev/disk/by-uuid/f8868dce-6b32-45b7-bdf3-c9a34df1441d"; }
];
# Enables DHCP on each ethernet and wireless interface. In case of scripted networking
@@ -39,34 +53,6 @@
hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
# Graphics settings
hardware.graphics = {
enable = true;
enable32Bit = true;
};
services.xserver.videoDrivers = [ "nvidia" ];
hardware.nvidia = {
package = config.boot.kernelPackages.nvidiaPackages.beta;
modesetting.enable = true;
# Nvidia power management. 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 = true;
# Fine-grained power management for PRIME. Turns off GPU when not in use.
# Experimental and only works on modern Nvidia GPUs (Turing or newer).
# Requires offload to be enabled.
# powerManagement.finegrained = false;
# Use the open-source driver?
open = false;
# Enable the nvidia-settings menu?
nvidiaSettings = true;
};
# Using the default production drivers.
graphics.enable = true;
}