From mboxrd@z Thu Jan  1 00:00:00 1970
From: ankitprasad.r.sharma@intel.com
Subject: [PATCH 04/10] drm/i915: Clearing buffer objects via
	CPU/GTT
Date: Tue, 26 Jan 2016 01:13:30 +0530
Message-ID: <1453751016-8713-5-git-send-email-ankitprasad.r.sharma@intel.com>
References: <1453751016-8713-1-git-send-email-ankitprasad.r.sharma@intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
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 DF2D76E544
 for <intel-gfx@lists.freedesktop.org>; Mon, 25 Jan 2016 12:05:16 -0800 (PST)
In-Reply-To: <1453751016-8713-1-git-send-email-ankitprasad.r.sharma@intel.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: intel-gfx@lists.freedesktop.org
Cc: akash.goel@intel.com, shashidhar.hiremath@intel.com, Ankitprasad Sharma <ankitprasad.r.sharma@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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