From: Damien Lespiau <damien.lespiau@intel.com>
Date: Tue, 15 Oct 2013 17:55:41 +0000 (+0100)
Subject: drm/i915: Only one open() allowed on pipe CRC result files
X-Git-Tag: v3.13-rc1~76^2~68^2~26
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=be5c7a90753fb9f74c867f74489abe822ffb4b26;p=pandora-kernel.git

drm/i915: Only one open() allowed on pipe CRC result files

It doesn't really make sense to have two processes dequeueing the CRC
values at the same time. Forbid that usage.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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