gpd/pocket-4: init

gpd/pocket-4/default.nix

@@ -0,0 +1,29 @@
+{ lib, pkgs, ... }:
+let inherit (lib) mkDefault;
+in
+{
+  imports = [
+    ../../common/pc/laptop
+    ../../common/pc/laptop/ssd
+    ../../common/cpu/amd
+    ../../common/cpu/amd/pstate.nix
+    ../../common/gpu/amd
+    ../../common/hidpi.nix
+  ];
+
+  boot.kernelParams = [
+    # The GPD Pocket 4 uses a tablet LTPS display, that is mounted rotated 90° counter-clockwise
+    "fbcon=rotate:1" "video=eDP-1:panel_orientation=right_side_up"
+  ];
+
+  fonts.fontconfig = {
+    subpixel.rgba = "vbgr"; # Pixel order for rotated screen
+
+    # The display has √(2560² + 1600²) px / 8.8in ≃ 343 dpi
+    # Per the documentation, antialiasing, hinting, etc. have no visible effect at such high pixel densities anyhow.
+    hinting.enable = mkDefault false;
+  };
+
+  # More HiDPI settings
+  services.xserver.dpi = 343;
+}