From 85aae79ca1dbdd592f631ce2d6719f648c35f0e3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
Date: Fri, 13 Mar 2020 06:58:29 +0000
Subject: [PATCH] nixos/kvmgt: fix driver option

extraModprobeConfig could be applied too late i.e. if the driver has been
loaded in initrd, while the harddrive is still encrypted.
Using a kernelParams works in all cases however.
---
 nixos/modules/virtualisation/kvmgt.nix | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/nixos/modules/virtualisation/kvmgt.nix b/nixos/modules/virtualisation/kvmgt.nix
index 36ef6d17df6..355f4770c50 100644
--- a/nixos/modules/virtualisation/kvmgt.nix
+++ b/nixos/modules/virtualisation/kvmgt.nix
@@ -50,10 +50,7 @@ in {
     };
 
     boot.kernelModules = [ "kvmgt" ];
-
-    boot.extraModprobeConfig = ''
-      options i915 enable_gvt=1
-    '';
+    boot.kernelParams = [ "i915.enable_gvt=1" ];
 
     systemd.paths = mapAttrs' (name: value:
       nameValuePair "kvmgt-${name}" {