From be5c7a90753fb9f74c867f74489abe822ffb4b26 Mon Sep 17 00:00:00 2001
From: Damien Lespiau <damien.lespiau@intel.com>
Date: Tue, 15 Oct 2013 18:55:41 +0100
Subject: [PATCH] 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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Reading git-format-patch failed