From b4821ece01818a4702b332e9bc54b093c50d5d7a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vcunat@gmail.com>
Date: Sun, 21 Aug 2016 11:58:14 +0200
Subject: [PATCH] nixos: blacklist radeon module if using amdgpu

---
 nixos/modules/hardware/video/amdgpu.nix | 9 +++++++++
 nixos/modules/module-list.nix           | 3 ++-
 2 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100644 nixos/modules/hardware/video/amdgpu.nix

diff --git a/nixos/modules/hardware/video/amdgpu.nix b/nixos/modules/hardware/video/amdgpu.nix
new file mode 100644
index 000000000000..42fc8fa362de
--- /dev/null
+++ b/nixos/modules/hardware/video/amdgpu.nix
@@ -0,0 +1,9 @@
+{ config, lib, ... }:
+
+with lib;
+{
+  config = mkIf (elem "amdgpu" config.services.xserver.videoDrivers) {
+    boot.blacklistedKernelModules = [ "radeon" ];
+  };
+}
+
diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index 41615a8a9dc3..eb89ff83e2ce 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -37,9 +37,10 @@
   ./hardware/network/rtl8192c.nix
   ./hardware/opengl.nix
   ./hardware/pcmcia.nix
+  ./hardware/video/amdgpu.nix
+  ./hardware/video/ati.nix
   ./hardware/video/bumblebee.nix
   ./hardware/video/nvidia.nix
-  ./hardware/video/ati.nix
   ./hardware/video/webcam/facetimehd.nix
   ./i18n/input-method/default.nix
   ./i18n/input-method/fcitx.nix