Adding support for ga403

README.md

@@ -101,6 +101,7 @@ See code for all available configurations.
 | [Asus ROG Zephyrus G14 GA402](asus/zephyrus/ga402)                     | `<nixos-hardware/asus/zephyrus/ga402>`                  |
 | [Asus ROG Zephyrus G14 GA402X\* (2023)](asus/zephyrus/ga402x/amdgpu)   | `<nixos-hardware/asus/zephyrus/ga402x/amdgpu>`          |
 | [Asus ROG Zephyrus G14 GA402X\* (2023)](asus/zephyrus/ga402x/nvidia)   | `<nixos-hardware/asus/zephyrus/ga402x/nvidia>`          |
+| [Asus ROG Zephyrus G14 GA403 (2024)](asus/zephyrus/ga403)              | `<nixos-hardware/asus/zephyrus/ga403>`                  |
 | [Asus ROG Zephyrus G15 GA502](asus/zephyrus/ga502)                     | `<nixos-hardware/asus/zephyrus/ga502>`                  |
 | [Asus ROG Zephyrus G15 GA503](asus/zephyrus/ga503)                     | `<nixos-hardware/asus/zephyrus/ga503>`                  |
 | [Asus ROG Zephyrus G16 GU605MY](asus/zephyrus/gu605my)                 | `<nixos-hardware/asus/zephyrus/gu605my>`                |

asus/zephyrus/ga403/default.nix

@@ -0,0 +1,93 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+
+let
+  inherit (lib)
+    mkDefault
+    mkForce
+    ;
+in
+{
+
+  imports = [
+    ../../../common/cpu/amd
+    ../../../common/cpu/amd/pstate.nix
+    ../../../common/gpu/amd
+    ../../../common/pc/laptop
+    ../../../common/pc/ssd
+    ../../../common/gpu/nvidia/prime.nix
+    ../../../common/gpu/nvidia/ada-lovelace
+  ];
+
+  config = {
+    # Configure basic system settings:
+    boot = {
+      # Note: it seems being on the latest kernel is important for CPPC to work, which is required for the amd_pstate
+      # https://bugzilla.kernel.org/show_bug.cgi?id=218686
+      kernelPackages = mkDefault pkgs.linuxPackages_latest;
+      kernelModules = [ "kvm-amd" ];
+      kernelParams = [
+        "mem_sleep_default=deep"
+        "pcie_aspm.policy=powersupersave"
+      ];
+    };
+
+    services = {
+      asusd = {
+        enable = mkDefault true;
+        enableUserService = mkDefault true;
+      };
+
+      supergfxd.enable = mkDefault true;
+    };
+
+    # Enable the Nvidia card, as well as Prime and Offload: NVIDIA GeForce RTX 4060 Mobile
+    boot.blacklistedKernelModules = [ "nouveau" ];
+
+    services.xserver.videoDrivers = mkForce [
+      "amdgpu"
+      "nvidia"
+    ];
+
+    hardware = {
+      amdgpu.initrd.enable = mkDefault true;
+
+      nvidia = {
+        modesetting.enable = true;
+        nvidiaSettings = mkDefault true;
+
+        prime = {
+          offload = {
+            enable = mkDefault true;
+            enableOffloadCmd = mkDefault true;
+          };
+          amdgpuBusId = "PCI:101:0:0";
+          nvidiaBusId = "PCI:1:0:0";
+        };
+
+        powerManagement = {
+          enable = true;
+          finegrained = true;
+        };
+      };
+    };
+    # Meditek doesn't seem to be quite sensitive enough on the default roaming settings:
+    #   https://wiki.archlinux.org/title/Wpa_supplicant#Roaming
+    #   https://wiki.archlinux.org/title/Iwd#iwd_keeps_roaming
+    #
+    # But NixOS doesn't have the tweaks for IWD, yet.
+    networking.wireless.iwd.settings =
+      lib.mkIf (config.networking.wireless.iwd.enable && config.networking.wireless.scanOnLowSignal)
+        {
+          General = {
+            RoamThreshold = -75;
+            RoamThreshold5G = -80;
+            RoamRetryInterval = 20;
+          };
+        };
+  };
+}

common/gpu/nvidia/ada-lovelace/default.nix

@@ -7,4 +7,22 @@ in
 
   # enable the open source drivers if the package supports it
   hardware.nvidia.open = lib.mkOverride 990 (nvidiaPackage ? open && nvidiaPackage ? firmware);
+
+  # nvidia's hibernate, suspend, and resume services are not normally triggered on suspend-then-hibernate and hybrid-hibernate
+  systemd.services = {
+    nvidia-hibernate = {
+      before = [ "systemd-suspend-then-hibernate.service" ];
+      wantedBy = [ "suspend-then-hibernate.target" ];
+    };
+
+    nvidia-suspend = {
+      before = [ "systemd-hybrid-sleep.service" ];
+      wantedBy = [ "hybrid-sleep.target" ];
+    };
+
+    nvidia-resume = {
+      after = [ "systemd-suspend-then-hibernate.service" "systemd-hybrid-sleep.service" ];
+      wantedBy = [ "post-resume.target" ];
+    };
+  };
 }

flake.nix

@@ -45,6 +45,7 @@
         asus-zephyrus-ga402x = import ./asus/zephyrus/ga402x;
         asus-zephyrus-ga402x-amdgpu = import ./asus/zephyrus/ga402x/amdgpu;
         asus-zephyrus-ga402x-nvidia = import ./asus/zephyrus/ga402x/nvidia;
+        asus-zephyrus-ga403 = import ./asus/zephyrus/ga403;
         asus-zephyrus-ga502 = import ./asus/zephyrus/ga502;
         asus-zephyrus-ga503 = import ./asus/zephyrus/ga503;
         asus-zephyrus-gu603h = import ./asus/zephyrus/gu603h;