91 lines
3.6 KiB
Nix
91 lines
3.6 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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{
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# Allow to use the nvidia driver in the special case
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# Use in the boot menu
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specialisation = {
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nvidia-enabled = {
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configuration = {
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system.nixos.tags = [ "nvidia-enabled" ];
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# Enable OpenGL
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hardware.graphics = {
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enable = true;
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};
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hardware.nvidia = {
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# prime = {
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# nvidiaBusId = "PCI:1:0:0";
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# intelBusId = "PCI:0:2:0";
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# };
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modesetting.enable = true;
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powerManagement.enable = true;
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powerManagement.finegrained = false;
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open = false;
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nvidiaSettings = false;
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package = config.boot.kernelPackages.nvidiaPackages.mkDriver {
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version = "565.77";
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sha256_64bit = "sha256-CnqnQsRrzzTXZpgkAtF7PbH9s7wbiTRNcM0SPByzFHw=";
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sha256_aarch64 = "sha256-LSAYUnhfnK3rcuPe1dixOwAujSof19kNOfdRHE7bToE=";
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openSha256 = "sha256-Fxo0t61KQDs71YA8u7arY+503wkAc1foaa51vi2Pl5I=";
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settingsSha256 = "sha256-VUetj3LlOSz/LB+DDfMCN34uA4bNTTpjDrb6C6Iwukk=";
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persistencedSha256 = "sha256-wnDjC099D8d9NJSp9D0CbsL+vfHXyJFYYgU3CwcqKww=";
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};
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};
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# overwrite the blacklists set previously
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boot.extraModprobeConfig = "";
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boot.blacklistedKernelModules = [];
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services.udev.extraRules = "";
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services.xserver.videoDrivers = ["nvidia"];
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};
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};
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};
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# In the global configuration, we blacklist the nouveau driver and load the nvidia driver
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boot.extraModprobeConfig = lib.mkDefault ''
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blacklist nouveau
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options nouveau modeset=0
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'';
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services.udev.extraRules = lib.mkDefault ''
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# Remove NVIDIA USB xHCI Host Controller devices, if present
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ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x0c0330", ATTR{power/control}="auto", ATTR{remove}="1"
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# Remove NVIDIA USB Type-C UCSI devices, if present
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ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x0c8000", ATTR{power/control}="auto", ATTR{remove}="1"
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# Remove NVIDIA Audio devices, if present
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ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x040300", ATTR{power/control}="auto", ATTR{remove}="1"
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# Remove NVIDIA VGA/3D controller devices
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ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x030000", ATTR{power/control}="auto", ATTR{remove}="1"
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# Remove the whole bridge responsible for the VGA/3D controller
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ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x8086", ATTR{class}=="0x060400", ATTR{power/control}="auto", ATTR{remove}="1"
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'';
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# # somehow the udev rules are not enough to prevent the nouveau driver from loading
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# # Also unload remove the bus by id manually
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# # unload 0000:01:00.1 and 0000:01:00.0
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# # at boot echo 1 > /sys/bus/pci/devices/0000:01:00.1/remove
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# # at boot echo 1 > /sys/bus/pci/devices/0000:01:00.0/remove
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# systemd.services.remove-nouveau = {
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# description = "Remove Nouveau PCI devices";
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# wantedBy = [ "multi-user.target" ];
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# after = [ "sysinit.target" ];
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# serviceConfig = {
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# Type = "oneshot";
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# ExecStart = "${pkgs.coreutils}/bin/echo 1 > /sys/bus/pci/devices/0000:01:00.1/remove";
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# ExecStart = "${pkgs.coreutils}/bin/echo auto > /sys/bus/pci/devices/0000:00:01.0/power/control";
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# ExecStart = "${pkgs.coreutils}/bin/echo 1 > /sys/bus/pci/devices/0000:01:00.0/remove";
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# ExecStart = "${pkgs.coreutils}/bin/echo auto > /sys/bus/pci/devices/0000:00:01.0/power/control";
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# };
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# };
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boot.blacklistedKernelModules = lib.mkDefault [ "nouveau" "nvidia" "nvidia_drm" "nvidia_modeset" ];
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}
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