4a8fc5b9aa
This was getting evaluated eagerly causing assertion failures in aarch64 systems. We can replace usages of pkgs_i686 with pkgs.pkgsi686Linux.
197 lines
7.4 KiB
Nix
197 lines
7.4 KiB
Nix
# This module provides the proprietary NVIDIA X11 / OpenGL drivers.
|
||
|
||
{ stdenv, config, lib, pkgs, ... }:
|
||
|
||
with lib;
|
||
|
||
let
|
||
|
||
drivers = config.services.xserver.videoDrivers;
|
||
|
||
# FIXME: should introduce an option like
|
||
# ‘hardware.video.nvidia.package’ for overriding the default NVIDIA
|
||
# driver.
|
||
nvidiaForKernel = kernelPackages:
|
||
if elem "nvidia" drivers then
|
||
kernelPackages.nvidia_x11
|
||
else if elem "nvidiaBeta" drivers then
|
||
kernelPackages.nvidia_x11_beta
|
||
else if elem "nvidiaLegacy304" drivers then
|
||
kernelPackages.nvidia_x11_legacy304
|
||
else if elem "nvidiaLegacy340" drivers then
|
||
kernelPackages.nvidia_x11_legacy340
|
||
else null;
|
||
|
||
nvidia_x11 = nvidiaForKernel config.boot.kernelPackages;
|
||
nvidia_libs32 =
|
||
if versionOlder nvidia_x11.version "391" then
|
||
((nvidiaForKernel pkgs.pkgsi686Linux.linuxPackages).override { libsOnly = true; kernel = null; }).out
|
||
else
|
||
(nvidiaForKernel config.boot.kernelPackages).lib32;
|
||
|
||
enabled = nvidia_x11 != null;
|
||
|
||
cfg = config.hardware.nvidia;
|
||
optimusCfg = cfg.optimus_prime;
|
||
in
|
||
|
||
{
|
||
options = {
|
||
hardware.nvidia.modesetting.enable = lib.mkOption {
|
||
type = lib.types.bool;
|
||
default = false;
|
||
description = ''
|
||
Enable kernel modesetting when using the NVIDIA proprietary driver.
|
||
|
||
Enabling this fixes screen tearing when using Optimus via PRIME (see
|
||
<option>hardware.nvidia.optimus_prime.enable</option>. This is not enabled
|
||
by default because it is not officially supported by NVIDIA and would not
|
||
work with SLI.
|
||
'';
|
||
};
|
||
|
||
hardware.nvidia.optimus_prime.enable = lib.mkOption {
|
||
type = lib.types.bool;
|
||
default = false;
|
||
description = ''
|
||
Enable NVIDIA Optimus support using the NVIDIA proprietary driver via PRIME.
|
||
If enabled, the NVIDIA GPU will be always on and used for all rendering,
|
||
while enabling output to displays attached only to the integrated Intel GPU
|
||
without a multiplexer.
|
||
|
||
Note that this option only has any effect if the "nvidia" driver is specified
|
||
in <option>services.xserver.videoDrivers</option>, and it should preferably
|
||
be the only driver there.
|
||
|
||
If this is enabled, then the bus IDs of the NVIDIA and Intel GPUs have to be
|
||
specified (<option>hardware.nvidia.optimus_prime.nvidiaBusId</option> and
|
||
<option>hardware.nvidia.optimus_prime.intelBusId</option>).
|
||
|
||
If you enable this, you may want to also enable kernel modesetting for the
|
||
NVIDIA driver (<option>hardware.nvidia.modesetting.enable</option>) in order
|
||
to prevent tearing.
|
||
|
||
Note that this configuration will only be successful when a display manager
|
||
for which the <option>services.xserver.displayManager.setupCommands</option>
|
||
option is supported is used; notably, SLiM is not supported.
|
||
'';
|
||
};
|
||
|
||
hardware.nvidia.optimus_prime.nvidiaBusId = lib.mkOption {
|
||
type = lib.types.string;
|
||
default = "";
|
||
example = "PCI:1:0:0";
|
||
description = ''
|
||
Bus ID of the NVIDIA GPU. You can find it using lspci; for example if lspci
|
||
shows the NVIDIA GPU at "01:00.0", set this option to "PCI:1:0:0".
|
||
'';
|
||
};
|
||
|
||
hardware.nvidia.optimus_prime.intelBusId = lib.mkOption {
|
||
type = lib.types.string;
|
||
default = "";
|
||
example = "PCI:0:2:0";
|
||
description = ''
|
||
Bus ID of the Intel GPU. You can find it using lspci; for example if lspci
|
||
shows the Intel GPU at "00:02.0", set this option to "PCI:0:2:0".
|
||
'';
|
||
};
|
||
};
|
||
|
||
config = mkIf enabled {
|
||
assertions = [
|
||
{
|
||
assertion = config.services.xserver.displayManager.gdm.wayland;
|
||
message = "NVIDIA drivers don't support wayland";
|
||
}
|
||
{
|
||
assertion = !optimusCfg.enable ||
|
||
(optimusCfg.nvidiaBusId != "" && optimusCfg.intelBusId != "");
|
||
message = ''
|
||
When NVIDIA Optimus via PRIME is enabled, the GPU bus IDs must configured.
|
||
'';
|
||
}
|
||
];
|
||
|
||
# If Optimus/PRIME is enabled, we:
|
||
# - Specify the configured NVIDIA GPU bus ID in the Device section for the
|
||
# "nvidia" driver.
|
||
# - Add the AllowEmptyInitialConfiguration option to the Screen section for the
|
||
# "nvidia" driver, in order to allow the X server to start without any outputs.
|
||
# - Add a separate Device section for the Intel GPU, using the "modesetting"
|
||
# driver and with the configured BusID.
|
||
# - Reference that Device section from the ServerLayout section as an inactive
|
||
# device.
|
||
# - Configure the display manager to run specific `xrandr` commands which will
|
||
# configure/enable displays connected to the Intel GPU.
|
||
|
||
services.xserver.drivers = singleton {
|
||
name = "nvidia";
|
||
modules = [ nvidia_x11.bin ];
|
||
libPath = [ nvidia_x11 ];
|
||
deviceSection = optionalString optimusCfg.enable
|
||
''
|
||
BusID "${optimusCfg.nvidiaBusId}"
|
||
'';
|
||
screenSection =
|
||
''
|
||
Option "RandRRotation" "on"
|
||
${optionalString optimusCfg.enable "Option \"AllowEmptyInitialConfiguration\""}
|
||
'';
|
||
};
|
||
|
||
services.xserver.extraConfig = optionalString optimusCfg.enable
|
||
''
|
||
Section "Device"
|
||
Identifier "nvidia-optimus-intel"
|
||
Driver "modesetting"
|
||
BusID "${optimusCfg.intelBusId}"
|
||
Option "AccelMethod" "none"
|
||
EndSection
|
||
'';
|
||
services.xserver.serverLayoutSection = optionalString optimusCfg.enable
|
||
''
|
||
Inactive "nvidia-optimus-intel"
|
||
'';
|
||
|
||
services.xserver.displayManager.setupCommands = optionalString optimusCfg.enable ''
|
||
# Added by nvidia configuration module for Optimus/PRIME.
|
||
${pkgs.xorg.xrandr}/bin/xrandr --setprovideroutputsource modesetting NVIDIA-0
|
||
${pkgs.xorg.xrandr}/bin/xrandr --auto
|
||
'';
|
||
|
||
environment.etc."nvidia/nvidia-application-profiles-rc" = mkIf nvidia_x11.useProfiles {
|
||
source = "${nvidia_x11.bin}/share/nvidia/nvidia-application-profiles-rc";
|
||
};
|
||
|
||
hardware.opengl.package = nvidia_x11.out;
|
||
hardware.opengl.package32 = nvidia_libs32;
|
||
|
||
environment.systemPackages = [ nvidia_x11.bin nvidia_x11.settings ]
|
||
++ lib.filter (p: p != null) [ nvidia_x11.persistenced ];
|
||
|
||
boot.extraModulePackages = [ nvidia_x11.bin ];
|
||
|
||
# nvidia-uvm is required by CUDA applications.
|
||
boot.kernelModules = [ "nvidia-uvm" ] ++
|
||
lib.optionals config.services.xserver.enable [ "nvidia" "nvidia_modeset" "nvidia_drm" ];
|
||
|
||
# If requested enable modesetting via kernel parameter.
|
||
boot.kernelParams = optional cfg.modesetting.enable "nvidia-drm.modeset=1";
|
||
|
||
# Create /dev/nvidia-uvm when the nvidia-uvm module is loaded.
|
||
services.udev.extraRules =
|
||
''
|
||
KERNEL=="nvidia", RUN+="${pkgs.runtimeShell} -c 'mknod -m 666 /dev/nvidiactl c $(grep nvidia-frontend /proc/devices | cut -d \ -f 1) 255'"
|
||
KERNEL=="nvidia_modeset", RUN+="${pkgs.runtimeShell} -c 'mknod -m 666 /dev/nvidia-modeset c $(grep nvidia-frontend /proc/devices | cut -d \ -f 1) 254'"
|
||
KERNEL=="card*", SUBSYSTEM=="drm", DRIVERS=="nvidia", RUN+="${pkgs.runtimeShell} -c 'mknod -m 666 /dev/nvidia%n c $(grep nvidia-frontend /proc/devices | cut -d \ -f 1) %n'"
|
||
KERNEL=="nvidia_uvm", RUN+="${pkgs.runtimeShell} -c 'mknod -m 666 /dev/nvidia-uvm c $(grep nvidia-uvm /proc/devices | cut -d \ -f 1) 0'"
|
||
'';
|
||
|
||
boot.blacklistedKernelModules = [ "nouveau" "nvidiafb" ];
|
||
|
||
services.acpid.enable = true;
|
||
|
||
};
|
||
|
||
}
|