From 71f94c224a0f1bf22121b75fe95087174fbc4e28 Mon Sep 17 00:00:00 2001
From: Steven Allen <steven@stebalien.com>
Date: Wed, 25 Feb 2026 10:03:05 -0800
Subject: [PATCH] nixos/hardware.displaylink: add displaylink to
 xserver.externallyConfiguredDrivers

Add "displaylink" to `services.xserver.externallyConfiguredDrivers`  to
let the xserver module know that said driver has already been configured
out-of-band.

Fixes #491861
---
 nixos/modules/hardware/video/displaylink.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/nixos/modules/hardware/video/displaylink.nix b/nixos/modules/hardware/video/displaylink.nix
index d8284e85ae45..bee931da1806 100644
--- a/nixos/modules/hardware/video/displaylink.nix
+++ b/nixos/modules/hardware/video/displaylink.nix
@@ -23,6 +23,8 @@ in
     boot.extraModulePackages = [ evdi ];
     boot.kernelModules = [ "evdi" ];
 
+    services.xserver.externallyConfiguredDrivers = [ "displaylink" ];
+
     environment.etc."X11/xorg.conf.d/40-displaylink.conf".text = ''
       Section "OutputClass"
         Identifier  "DisplayLink"