From: Mario Kleiner <mario.kleiner.de@gmail.com>
Date: Wed, 11 Jun 2014 07:51:23 +0000 (+0200)
Subject: drm/nouveau/kms: reference vblank for crtc during pageflip.
X-Git-Tag: omap-for-v3.16/fixes-rc4~80^2~5^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ba124a41058b300a5464206d2d33803cc3dc82ec;p=pandora-kernel.git

drm/nouveau/kms: reference vblank for crtc during pageflip.

Need to drm_vblank_get/put() the crtc involved in a
pending pageflip, or we might not get vblank irqs and
updates of vblank counts and timestamps for pageflip
events and flip completion.

Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
---

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