From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Sun, 6 Mar 2011 13:51:29 +0000 (+0000)
Subject: drm/i915: Only wait on a pending flip if we intend to write to the buffer
X-Git-Tag: v2.6.39-rc1~458^2~9^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c59a333f73868ca6fbcecea99b3542e2c62a3a5c;p=pandora-kernel.git

drm/i915: Only wait on a pending flip if we intend to write to the buffer

... as if we are only reading from it, we can do that concurrently with
the queue flip.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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