From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Siluvery, Arun" <arun.siluvery@linux.intel.com>
Subject: Re: [PATCH v5 1/6] drm/i915/gen8: Add infrastructure to
 initialize WA batch buffers
Date: Fri, 19 Jun 2015 10:48:24 +0100
Message-ID: <5583E568.7070500@linux.intel.com>
References: <1434632855-7080-1-git-send-email-arun.siluvery@linux.intel.com>
 <1434648809-24168-1-git-send-email-arun.siluvery@linux.intel.com>
 <20150619092719.GI14386@nuc-i3427.alporthouse.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Received: from mga03.intel.com (mga03.intel.com [134.134.136.65])
 by gabe.freedesktop.org (Postfix) with ESMTP id CD2BC6EEEB
 for <intel-gfx@lists.freedesktop.org>; Fri, 19 Jun 2015 02:48:26 -0700 (PDT)
In-Reply-To: <20150619092719.GI14386@nuc-i3427.alporthouse.com>
List-Unsubscribe: <http://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <http://lists.freedesktop.org/archives/intel-gfx>
List-Post: <mailto:intel-gfx@lists.freedesktop.org>
List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
List-Subscribe: <http://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe>
Errors-To: intel-gfx-bounces@lists.freedesktop.org
Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
To: Chris Wilson <chris@chris-wilson.co.uk>, intel-gfx@lists.freedesktop.org, Dave Gordon <david.s.gordon@intel.com>, Rafael Barbalho <rafael.barbalho@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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