From: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Date: Tue, 4 Dec 2012 13:12:03 +0000 (+0200)
Subject: drm/i915: Split intel_ring_begin
X-Git-Tag: v3.9-rc1~83^2~40^2~55
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cbcc80dff3896015385c67d6be0beb3399999e5c;p=pandora-kernel.git

drm/i915: Split intel_ring_begin

In preparation for handling ring seqno wrapping, split
intel_ring_begin into helper part which doesn't allocate
seqno.

Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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