mirror of
https://github.com/buckley310/nixos-config.git
synced 2024-11-09 18:47:02 +00:00
79 lines
2.5 KiB
Nix
79 lines
2.5 KiB
Nix
{
|
|
hardware.nvidia.prime.intelBusId = "PCI:0:2:0";
|
|
hardware.nvidia.prime.nvidiaBusId = "PCI:1:0:0";
|
|
|
|
### NVIDIA-only using MUX switch in BIOS.
|
|
#
|
|
# good:
|
|
# simple, always works.
|
|
# max performance everywhere.
|
|
#
|
|
# bad:
|
|
# requires BIOS setting changes, which is annoying.
|
|
#
|
|
boot.kernelParams = [ "module_blacklist=i915" ];
|
|
services.xserver.displayManager.gdm.wayland = false;
|
|
services.xserver.videoDrivers = [ "nvidia" ];
|
|
hardware.nvidia.open = true;
|
|
services.xserver.screenSection = ''
|
|
Option "metamodes" "DP-2: 2560x1440_165 +0+0 {AllowGSYNCCompatible=On}"
|
|
'';
|
|
}
|
|
|
|
### Nothing below this line has been tested since 2022
|
|
|
|
################################################################################
|
|
|
|
### "sync mode"
|
|
#
|
|
# good:
|
|
# max performance on external displays
|
|
# no BIOS settings change needed
|
|
#
|
|
# bad:
|
|
# graphics performance overhead on internal display
|
|
# internal display capped at 60hz
|
|
#
|
|
# hardware.nvidia.prime.sync.enable = true;
|
|
# hardware.nvidia.modesetting.enable = true;
|
|
# services.xserver.displayManager.gdm.wayland = false;
|
|
# services.xserver.videoDrivers = [ "nvidia" ];
|
|
# # xrandr workaround for laptop panel not showing up with GDM. Reference:
|
|
# # https://github.com/NixOS/nixpkgs/blob/master/nixos/modules/hardware/video/nvidia.nix
|
|
# services.xserver.displayManager.sessionCommands = ''
|
|
# ${pkgs.xorg.xrandr}/bin/xrandr --setprovideroutputsource modesetting NVIDIA-0
|
|
# '';
|
|
|
|
################################################################################
|
|
|
|
### nvidia drivers disabled
|
|
#
|
|
# Not well tested. Possibly Incomplete.
|
|
# Won't allow external displays connected to nvidia GPU.
|
|
#
|
|
# Shutting off Nvidia GPU would theoretically save power.
|
|
# I do not think this actually powers down the Nvidia GPU, just stops using it.
|
|
#
|
|
# boot.kernelParams = [ "module_blacklist=nouveau" ];
|
|
|
|
################################################################################
|
|
|
|
### hybrid graphics
|
|
#
|
|
# Not well tested. Possibly Incomplete.
|
|
# Won't allow external displays connected to nvidia GPU.
|
|
#
|
|
# Everything would use intel by default,
|
|
# but specific apps would run on the nvidia GPU under the script.
|
|
#
|
|
# hardware.nvidia.prime.offload.enable = true;
|
|
# services.xserver.videoDrivers = [ "nvidia" ];
|
|
# environment.systemPackages = [
|
|
# (pkgs.writeShellScriptBin "nv" ''
|
|
# export __NV_PRIME_RENDER_OFFLOAD=1
|
|
# export __NV_PRIME_RENDER_OFFLOAD_PROVIDER=NVIDIA-G0
|
|
# export __GLX_VENDOR_LIBRARY_NAME=nvidia
|
|
# export __VK_LAYER_NV_optimus=NVIDIA_only
|
|
# exec "$@"
|
|
# '')
|
|
# ];
|