wip: various changes to modularization and laptop

hosts/doloro-laptop/laptop.nix

@@ -0,0 +1,29 @@
+{ ... }:
+{
+  services.tlp = {
+    enable = true;
+    extraConfig = ''
+      CPU_SCALING_GOVERNOR_ON_BAT=power_save
+      CPU_SCALING_GOVERNOR_ON_AC=performance
+      PCIE_ASPM_ON_AC=performance
+      PCIE_ASPM_ON_BAT=powersave
+    '';
+    settings = {
+      START_CHARGE_THRESH_BAT0 = 40; # 40 and below it starts to charge
+      STOP_CHARGE_THRESH_BAT0 = 80; # 80 and above it stops charging
+    };
+  };
+  powerManagement.powertop.enable = true;
+  services.thermald.enable = true;
+  services.upower = {
+    enable = true;
+  };
+  services.logind.extraConfig = {
+    HandlePowerKey = "hibernate"; # Hibernate when the power button is pressed
+    HandleLidSwitch = "hibernate"; # Hibernate when the lid is closed
+  };
+  systemd.sleep = {
+    hibernate = true;
+    hybridSleep = true;
+  };
+}

hosts/doloro-laptop/nixos.nix

@@ -16,6 +16,7 @@ in
 {
   imports = [
     inputs.sops-nix.nixosModules.sops
+    ./laptop.nix
   ];
   modules = {
     fish.enable = true;
@@ -24,6 +25,7 @@ in
     steam.enable = false;
     Hyprland.enable = true;
     wivrn.enable = false;
+    fonts.enable = true;
   };
   # Use the systemd-boot EFI boot loader.
   boot.loader.systemd-boot.enable = true;
@@ -37,7 +39,8 @@ in
   networking.networkmanager.enable = true;
 
   # Set your time zone.
-  time.timeZone = "Europe/London";
+  # time.timeZone = "Europe/London";
+  services.automatic-timezoned.enable = true;
 
   nix.settings = {
     substituters = [
@@ -59,6 +62,16 @@ in
   };
   hardware.graphics = {
     enable = true;
+    extraPackages = with pkgs; [
+      # Required for modern Intel GPUs (Xe iGPU and ARC)
+      intel-media-driver # VA-API (iHD) userspace
+      vpl-gpu-rt # oneVPL (QSV) runtime
+
+      # Optional (compute / tooling):
+      intel-compute-runtime # OpenCL (NEO) + Level Zero for Arc/Xe
+      # NOTE: 'intel-ocl' also exists as a legacy package; not recommended for Arc/Xe.
+      # libvdpau-va-gl       # Only if you must run VDPAU-only apps
+    ];
   };
   services.openssh = {
     enable = true;