From 7fc9a7663378c72d1a706a71fc0d1dba6187d690 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kier=C3=A1n=20Meinhardt?= <kieran.meinhardt@gmail.com>
Date: Tue, 21 Jan 2020 23:40:49 +0100
Subject: [PATCH] fix(homeros): nvidia

---
 systems/homeros/configuration.nix | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/systems/homeros/configuration.nix b/systems/homeros/configuration.nix
index fd58a94..e75e04f 100644
--- a/systems/homeros/configuration.nix
+++ b/systems/homeros/configuration.nix
@@ -22,12 +22,24 @@
 
   boot.loader.efi.canTouchEfiVariables = true;
 
-  boot.kernelParams = [
-    "acpi_backlight=none"
-    "acpi_backlight=video"
-    "acpi_backlight=vendor"
-    "acpi_backlight=native"
-  ];
+  # ref https://askubuntu.com/questions/575020/ubuntu-14-04-brightness-problem-lenovo-z500
+  boot.kernelParams = [ "acpi_backlight=vendor" ];
+  environment.etc."X11/xorg.conf.d/80-backlight.conf".text = ''
+    Section "Device"
+        Identifier  "Intel Graphics"
+        Driver      "intel"
+        Option      "AccelMethod"     "sna"
+        Option      "Backlight"       "ideapad"
+        BusID       "PCI:0:2:0"
+    EndSection
+  '';
+
+  hardware.bumblebee = {
+    enable = true;
+    connectDisplay = true;
+  };
+  hardware.opengl.driSupport32Bit = true;
+  services.xserver.videoDrivers = [ "intel" "nvidia" ];
 
   networking.hostName = "homeros";