[NixOS] stevie-nixos tweaks

nixos/machines/stevie-nixos.nix

@@ -4,17 +4,53 @@
   imports = [
     ../full.nix
     ../base.nix
-    inputs.nixos-hardware.nixosModules.dell-xps-17-9700-nvidia
   ];
 
   hardware.enableRedistributableFirmware = true;
 
-  boot.initrd.availableKernelModules = [ "xhci_pci" "nvme" "usb_storage" "sd_mod" "rtsx_pci_sdmmc" ];
+  boot.initrd.availableKernelModules = [
+    "xhci_pci" "nvme" "usb_storage" "sd_mod" "rtsx_pci_sdmmc"
+  ];
 
   boot.initrd.kernelModules = [ ];
   boot.kernelModules = [ "kvm-intel" ];
   boot.extraModulePackages = with config.boot.kernelPackages; [ ];
 
+  services.xserver = {
+    videoDrivers = [ "modesetting ""nvidia" ];
+  };
+
+  services.thermald.enable = true;
+
+  boot.kernelPackages = pkgs.linuxPackages_latest;
+
+  boot.kernelPatches = [{
+    name = "enable-soundwire-drivers";
+    patch = null;
+    extraConfig = ''
+      SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES y
+      SND_SOC_INTEL_SOUNDWIRE_SOF_MACH m
+      SND_SOC_RT1308 m
+    '';
+    ignoreConfigErrors = true;
+  }];
+
+  hardware.nvidia.prime = {
+    sync.enable = true;
+
+    # Bus ID of the NVIDIA GPU. You can find it using lspci, either under 3D or VGA
+    nvidiaBusId = "PCI:1:0:0";
+
+    # Bus ID of the Intel GPU. You can find it using lspci, either under 3D or VGA
+    intelBusId = "PCI:0:2:0";
+  };
+
+  services.xserver.screenSection = ''
+    Option         "metamodes" "nvidia-auto-select +0+0 {ForceCompositionPipeline=On, ForceFullCompositionPipeline=On}"
+    Option         "AllowIndirectGLXProtocol" "off"
+    Option         "TripleBuffer" "on"
+  '';
+
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
 
@@ -41,6 +77,7 @@
   powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
 
   hardware.video.hidpi.enable = true;
+  services.xserver.dpi = 180;
 
   system.stateVersion = "21.05";
 }