From 02ce63ea6c1edfc41b0ecd94d96fa5d6e7808ea2 Mon Sep 17 00:00:00 2001
From: Sylvain Pineau <sylvain.pineau@canonical.com>
Date: Tue, 28 Jun 2016 23:31:17 +0200
Subject: Cherry pick rev 4411 from trunk

---
 bin/graphics_env | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bin/graphics_env b/bin/graphics_env
index 719865d..05755b0 100755
--- a/bin/graphics_env
+++ b/bin/graphics_env
@@ -13,7 +13,7 @@ UBUNTU_CODENAME=`lsb_release -c | awk {'print $2'}`
 # We only want to set the DRI_PRIME env variable on Xenial (16.04) systems
 # running more than 1 GPU.
 if [[ $UBUNTU_CODENAME == "xenial" ]]; then
-    NB_GPU=`cat /var/log/gpu-manager.log | grep "How many cards?" | awk {'print $NF'}`
+    NB_GPU=`udev_resource -l VIDEO | grep -oP -m1 '\d+'`
     if [ $NB_GPU -gt 1 ]; then
         if [[ $VENDOR_SLUG == *AMD* ]]; then
             if [ $INDEX -gt 1 ]; then
-- 
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