From: Ben Skeggs <bskeggs@redhat.com>
Date: Tue, 28 Jul 2015 07:20:57 +0000 (+1000)
Subject: drm/nouveau/kms/nv50-: guard against enabling cursor on disabled heads
X-Git-Tag: omap-for-v4.3/fixes-merge-window~163^2~2^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=697bb728d9e2367020aa0c5af7363809d7658e43;p=pandora-kernel.git

drm/nouveau/kms/nv50-: guard against enabling cursor on disabled heads

Userspace has started doing this, which upsets the display class hw
error checking in various unpleasant ways.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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