gpd/pocket-4: init

NixOS · Jan 16, 2025 · 99a69fb · 99a69fb
1 parent b678606
commit 99a69fb
Show file tree

Hide file tree

Showing 3 changed files with 35 additions and 0 deletions.
diff --git a/README.md b/README.md
@@ -180,6 +180,7 @@ See code for all available configurations.
 | [GPD MicroPC](gpd/micropc)                                                        | `<nixos-hardware/gpd/micropc>`                          |
 | [GPD P2 Max](gpd/p2-max)                                                          | `<nixos-hardware/gpd/p2-max>`                           |
 | [GPD Pocket 3](gpd/pocket-3)                                                      | `<nixos-hardware/gpd/pocket-3>`                         |
+| [GPD Pocket 4](gpd/pocket-4)                                                      | `<nixos-hardware/gpd/pocket-4>`                         |
 | [GPD WIN 2](gpd/win-2)                                                            | `<nixos-hardware/gpd/win-2>`                            |
 | [GPD WIN Max 2 2023](gpd/win-max-2/2023)                                          | `<nixos-hardware/gpd/win-max-2/2023>`                   |
 | [GPD WIN Mini 2024](gpd/win-mini/2024)                                            | `<nixos-hardware/gpd/win-mini/2024>`                    |

diff --git a/flake.nix b/flake.nix
@@ -121,6 +121,7 @@
         gpd-micropc = import ./gpd/micropc;
         gpd-p2-max = import ./gpd/p2-max;
         gpd-pocket-3 = import ./gpd/pocket-3;
+        gpd-pocket-4 = import ./gpd/pocket-4;
         gpd-win-2 = import ./gpd/win-2;
         gpd-win-max-2-2023 = import ./gpd/win-max-2/2023;
         gpd-win-mini-2024 = import ./gpd/win-mini/2024;

diff --git a/gpd/pocket-4/default.nix b/gpd/pocket-4/default.nix
@@ -0,0 +1,33 @@
+{ lib, pkgs, ... }:
+let inherit (lib) mkDefault mkIf;
+in
+{
+  imports = [
+    ../../common/pc/laptop
+    ../../common/pc/laptop/ssd
+    ../../common/hidpi.nix
+    ../../common/gpu/24.05-compat.nix
+  ];
+
+  # Necessary kernel modules
+  boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "usbhid" "thunderbolt" ];
+
+  # For stage-1 screen resolution and external display output
+  boot.initrd.kernelModules = [ "amdgpu" ];
+
+  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;
+}