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vizie's NixOS desktop: Hyprland, CachyOS kernel and gaming tweaks
| 1 | # RTX 3080 Ti with the open kernel module, as linux-cachyos-nvidia-open on |
| 2 | # CachyOS. Turned off in the test VM (see vm.nix). |
| 3 | { |
| 4 | config, |
| 5 | lib, |
| 6 | pkgs, |
| 7 | ... |
| 8 | }: |
| 9 | let |
| 10 | cfg = config.dot.nvidia; |
| 11 | in |
| 12 | { |
| 13 | options.dot.nvidia.enable = lib.mkEnableOption "the NVIDIA driver" // { |
| 14 | default = true; |
| 15 | }; |
| 16 | |
| 17 | config = lib.mkMerge [ |
| 18 | { |
| 19 | hardware.graphics = { |
| 20 | enable = true; |
| 21 | enable32Bit = true; |
| 22 | }; |
| 23 | } |
| 24 | |
| 25 | (lib.mkIf cfg.enable { |
| 26 | services.xserver.videoDrivers = [ "nvidia" ]; |
| 27 | |
| 28 | hardware.nvidia = { |
| 29 | open = true; |
| 30 | # 615.x, the same branch CachyOS has. |
| 31 | package = config.boot.kernelPackages.nvidiaPackages.latest; |
| 32 | modesetting.enable = true; |
| 33 | nvidiaSettings = true; |
| 34 | # Not set up on CachyOS either (no nvidia-suspend services enabled). |
| 35 | powerManagement.enable = false; |
| 36 | }; |
| 37 | |
| 38 | # libva-nvidia-driver: Firefox hardware video decoding (see the NVD_BACKEND |
| 39 | # and LIBVA_DRIVER_NAME lines in hyprland.lua). |
| 40 | hardware.graphics.extraPackages = [ pkgs.nvidia-vaapi-driver ]; |
| 41 | }) |
| 42 | ]; |
| 43 | } |