Andreas Schaafsma 093feba49d changes
2025-07-15 01:30:58 +02:00

152 lines
4.4 KiB
Nix

{ config, lib, pkgs, modulesPath, ... }:
let
inherit (lib) mkEnableOption mkIf;
inherit (lib.my-namespace) disabled enabled;
cfg = config.my-namespace.hardware.graphics-nvidia-specializations;
in
{
options.my-namespace.hardware.graphics-nvidia-specializations = {
enable = mkEnableOption "Enable nvidia";
};
options.nvidia-sync.enable = lib.mkEnableOption "Enable NVIDIA prime sync mode";
options.nvidia-offload.enable = lib.mkEnableOption "Enable NVIDIA prime sync mode";
config = {
specialisation."NVIDIA-SYNC".configuration = {
system.nixos.tags = [ "with-nvidia-sync" ];
nvidia-sync.enable = true;
};
specialisation."NVIDIA-OFFLOAD".configuration = {
system.nixos.tags = [ "with-nvidia-offload" ];
nvidia-offload.enable = true;
};
services.xserver.videoDrivers = [ "nvidia" "amdgpu" ];
hardware.graphics = {
extraPackages = with pkgs; [ nvidia-vaapi-driver ];
};
boot.kernelParams = [
"nvidia.NVreg_PreserveVideoMemoryAllocations=1"
"nvidia-drm.fbdev=0"
"nvidia-drm.modeset=0"
"amdgpu.modeset=1"
];
boot.initrd.kernelModules = [
# "amdgpu"
"nvidia"
"nvidia-drm"
"nvidia_drm"
"nvidia-uvm"
"nvidia_uvm"
# "nvidia-modeset"
# "i2c-nvidia_gpu"
];
hardware.nvidia = {
modesetting.enable = true;
# Nvidia power management. Experimental, and can cause sleep/suspend to fail.
powerManagement.enable = false;
# Fine-grained power management. Turns off GPU when not in use.
# Experimental and only works on modern Nvidia GPUs (Turing or newer).
powerManagement.finegrained = 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
# Only available from driver 515.43.04+
# Currently alpha-quality/buggy, so false is currently the recommended setting.
open = false;
# Enable the Nvidia settings menu,
# accessible via `nvidia-settings`.
nvidiaSettings = true;
# Optionally, you may need to select the appropriate driver version for your specific GPU.
# package = config.boot.kernelPackages.nvidiaPackages.beta;
package = config.boot.kernelPackages.nvidiaPackages.production;
prime = {
amdgpuBusId = "PCI:50:0:0";
nvidiaBusId = "PCI:1:0:0";
} // lib.optionalAttrs config.nvidia-sync.enable {
sync.enable = false;
} // lib.optionalAttrs (config.nvidia-offload.enable) {
offload = {
enable = true;
enableOffloadCmd = true;
};
};
};
services.xserver.config = lib.mkAfter ''
Section "ServerLayout"
Identifier "layout"
Screen 0 "amdgpu"
Inactive "nvidia"
Option "AllowNVIDIAGPUScreens"
Option "AllowEmptyInitialConfiguration" "True"
EndSection
Section "Device"
Identifier "nvidia"
Driver "nvidia"
BusID "PCI:01:0:0"
Option "AllowEmptyInitialConfiguration" "True"
EndSection
Section "Screen"
Identifier "nvidia"
Device "nvidia"
Option "AllowEmptyInitialConfiguration" "True"
EndSection
Section "Device"
Identifier "amdgpu"
Driver "amdgpu"
BusID "PCI:50:0:0"
#Option "AllowNVIDIAGPUScreens"
#Option "AllowEmptyInitialConfiguration" "True"
EndSection
Section "Screen"
Identifier "amdgpu"
Device "amdgpu"
#Option "AllowEmptyInitialConfiguration" "True"
EndSection
'';
# services.xserver.config = lib.mkForce ''
# Section "ServerLayout"
# Identifier "layout"
# Screen 0 "amdgpu"
# Inactive "nvidia"
# Option "AllowNVIDIAGPUScreens"
# EndSection
# Section "Device"
# Identifier "nvidia"
# Driver "nvidia"
# BusID "PCI:01:0:0"
# EndSection
# Section "Screen"
# Identifier "nvidia"
# Device "nvidia"
# EndSection
# Section "Device"
# Identifier "amdgpu"
# Driver "amdgpu"
# BusID "PCI:50:0:0"
# EndSection
# Section "Screen"
# Identifier "amdgpu"
# Device "amdgpu"
# EndSection
# '';
};
}