From d93eb38fdd4819c41d8882fcc9c78ed623ba5727 Mon Sep 17 00:00:00 2001
From: Quinn Unger <quinn.unger@pm.me>
Date: Fri, 21 Aug 2026 23:09:38 +0100
Subject: [PATCH] fixup gpu configuration

---
 hosts/tsumugi/hardware-configuration.nix | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/hosts/tsumugi/hardware-configuration.nix b/hosts/tsumugi/hardware-configuration.nix
index 5a26e6f..4f74ba7 100644
--- a/hosts/tsumugi/hardware-configuration.nix
+++ b/hosts/tsumugi/hardware-configuration.nix
@@ -76,14 +76,20 @@
   ];
 
   # Intel ARC GPU
-  hardware.graphics.extraPackages = with pkgs; [
-    vpl-gpu-rt
-    intel-media-driver
-    intel-compute-runtime
-  ];
+  services.xserver.videoDrivers = [ "modesetting" ];
+  hardware.graphics = {
+    enable = true;
+    extraPackages = with pkgs; [
+      intel-compute-runtime
+      intel-media-driver
+      vpl-gpu-rt
+    ];
+  };
+  environment.sessionVariables.LIBVA_DRIVER_NAME = "iHD";
   environment.systemPackages = with pkgs; [
     intel-gpu-tools
   ];
+  boot.kernelParams = [ "i915.enable_guc=3" ];
 
   # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
   # (the default) this is the recommended approach. When using systemd-networkd it's
-- 
2.54.0