From 593a8471ae49878c322d302abf4ee8a3735abd47 Mon Sep 17 00:00:00 2001
From: Daniel Patterson <me@danielpatterson.dev>
Date: Wed, 3 Aug 2022 19:43:39 +0100
Subject: [PATCH] Fix screen tearing

---
 hosts/pingbox/configuration.nix | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/hosts/pingbox/configuration.nix b/hosts/pingbox/configuration.nix
index c1df13a..5d7ecda 100644
--- a/hosts/pingbox/configuration.nix
+++ b/hosts/pingbox/configuration.nix
@@ -3,6 +3,7 @@
 # and in the NixOS manual (accessible by running ‘nixos-help’).
 {
   config,
+  lib,
   pkgs,
   ...
 }: {
@@ -17,7 +18,7 @@
 
   boot.kernelParams = ["nvme.noacpi=1"];
 
-  hardware.acpilight.enable = true;
+  hardware.acpilight.enable = lib.mkDefault true;
 
   networking = {
     hostName = "pingbox";
@@ -37,6 +38,12 @@
     xserver = {
       dpi = 144;
 
+      videoDrivers = ["intel"];
+      deviceSection = ''
+        Option "DRI" "2"
+        Option "TearFree" "true"
+      '';
+
       libinput.touchpad = {
         naturalScrolling = true;
         horizontalScrolling = false;