From 09b8ebeee58189f9fca90fa25ead8bd7c1cdd7a3 Mon Sep 17 00:00:00 2001
From: Justin Garrison <justin@linux.com>
Date: Wed, 7 Oct 2026 15:27:29 -0700
Subject: [PATCH] update xe driver on x

---
 configuration.nix | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/configuration.nix b/configuration.nix
index 1c9938a..aadf666 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -61,6 +61,17 @@
   boot.kernelPackages = pkgs.linuxPackages_latest;
   boot.kernelModules = [ "sg" ];
 
+  # Disable Intel Panel Replay/PSR selective-fetch: causes screen redraw
+  # corruption on GNOME Wayland workspace switches during fullscreen
+  # presentations (e.g. Google Slides in Chrome). enable_psr=0 alone wasn't
+  # enough - this panel actually uses Panel Replay, not classic PSR, and
+  # selective fetch applies to both.
+  boot.kernelParams = [
+    "xe.enable_psr=0"
+    "xe.enable_panel_replay=0"
+    "xe.enable_psr2_sel_fetch=0"
+  ];
+
   networking.hostName = hostname; # Define your hostname.
   # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
 
-- 
2.51.2