mirror of
https://github.com/zephrynis/nix-flake.git
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82 lines
2.5 KiB
Nix
82 lines
2.5 KiB
Nix
{ config, pkgs, ... }:
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{
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# NVIDIA Configuration for Laptop with Hybrid Graphics (Intel + GTX 1050)
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# Enable OpenGL and NVIDIA drivers
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hardware.graphics = {
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enable = true;
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enable32Bit = true;
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};
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# Load NVIDIA driver
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services.xserver.videoDrivers = [ "nvidia" ];
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hardware.nvidia = {
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# Modesetting required for Wayland
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modesetting.enable = true;
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# NVIDIA power management
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# Recommended for laptops to save battery
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powerManagement.enable = true;
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# Fine-grained power management
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# Turns off GPU when not in use - EXPERIMENTAL
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# Can help with battery life but may cause issues
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powerManagement.finegrained = false;
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# GTX 1050 is Pascal architecture - must use proprietary driver
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open = false;
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# Enable nvidia-settings
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nvidiaSettings = true;
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# Use stable driver
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package = config.boot.kernelPackages.nvidiaPackages.stable;
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# PRIME configuration for hybrid graphics
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prime = {
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# Offload mode: Intel for regular use, NVIDIA on-demand
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# This saves battery by keeping NVIDIA GPU off most of the time
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offload = {
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enable = true;
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enableOffloadCmd = true; # Adds nvidia-offload command
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};
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# IMPORTANT: Find your actual Bus IDs with: sudo lshw -c display
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# Then update these values accordingly
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# Example output:
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# Intel: bus info: pci@0000:00:02.0 → intelBusId = "PCI:0:2:0"
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# NVIDIA: bus info: pci@0000:01:00.0 → nvidiaBusId = "PCI:1:0:0"
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# Placeholder values - UPDATE THESE!
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intelBusId = "PCI:0:2:0"; # Usually correct for Intel iGPU
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nvidiaBusId = "PCI:1:0:0"; # Common for laptop discrete GPU
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# Alternative: Use sync mode instead of offload
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# This runs everything on NVIDIA (worse battery, better performance)
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# Uncomment to enable:
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# sync.enable = true;
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# offload.enable = false; # Disable offload if using sync
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};
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};
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# Kernel parameters for better NVIDIA support
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boot.kernelParams = [
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"nvidia-drm.modeset=1" # Required for Wayland
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];
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# Create nvidia-offload command for easy GPU switching
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# Usage: nvidia-offload <program>
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# Example: nvidia-offload glxgears
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environment.systemPackages = with pkgs; [
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(writeShellScriptBin "nvidia-offload" ''
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export __NV_PRIME_RENDER_OFFLOAD=1
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export __NV_PRIME_RENDER_OFFLOAD_PROVIDER=NVIDIA-G0
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export __GLX_VENDOR_LIBRARY_NAME=nvidia
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export __VK_LAYER_NV_optimus=NVIDIA_only
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exec "$@"
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'')
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];
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}
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