From: Zou Nan hai <nanhai.zou@intel.com>
Date: Fri, 21 May 2010 01:08:57 +0000 (+0800)
Subject: drm/i915: implement BSD ring buffer V2
X-Git-Tag: v2.6.35-rc2~56^2~35
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d1b851fc0d105caa6b6e3e7c92d2987dfb52cbe0;p=pandora-kernel.git

drm/i915: implement BSD ring buffer V2

The BSD (bit stream decoder) ring is used for accessing the BSD engine
which decodes video bitstream for H.264 and VC1 on G45+.  It is
asynchronous with the render ring and has access to separate parts of
the GPU from it, though the render cache is coherent between the two.

Signed-off-by: Zou Nan hai <nanhai.zou@intel.com>
Signed-off-by: Xiang Hai hao <haihao.xiang@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---

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