From 6bdf6d3cda84de472961528dc236788714272daa Mon Sep 17 00:00:00 2001
From: Brandon Weeks <me@brandonweeks.com>
Date: Mon, 10 Jan 2022 00:47:30 -0800
Subject: [PATCH] thinkpad/x1: enable Intel IOMMU

---
 lenovo/thinkpad/x1/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lenovo/thinkpad/x1/default.nix b/lenovo/thinkpad/x1/default.nix
index 870d9a8..7f4b565 100644
--- a/lenovo/thinkpad/x1/default.nix
+++ b/lenovo/thinkpad/x1/default.nix
@@ -3,4 +3,6 @@
     ../.
     ../../../common/cpu/intel
   ];
+
+  boot.kernelParams = [ "intel_iommu=on" ];
 }