From 8a258353ed46fa9886bff42e869067336eeb1db6 Mon Sep 17 00:00:00 2001
From: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Date: Tue, 23 Jul 2013 15:45:11 +0200
Subject: [PATCH] drm/nouveau: fix null pointer dereference in poll_changed

Fixes vgaswitcheroo on a card without display.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Reading git-format-patch failed