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