From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ankitprasad Sharma <ankitprasad.r.sharma@intel.com>
Subject: Re: [PATCH 6/6] drm/i915: Migrate stolen objects before
	hibernation
Date: Tue, 13 Oct 2015 10:55:10 +0530
Message-ID: <1444713910.12247.3.camel@ankitprasad-desktop>
References: <1444285469-8187-1-git-send-email-ankitprasad.r.sharma@intel.com>
 <1444285469-8187-7-git-send-email-ankitprasad.r.sharma@intel.com>
 <20151008110223.GN27939@nuc-i3427.alporthouse.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 mga11.intel.com (mga11.intel.com [192.55.52.93])
 by gabe.freedesktop.org (Postfix) with ESMTP id AF6F96E8BB
 for <intel-gfx@lists.freedesktop.org>; Mon, 12 Oct 2015 22:44:39 -0700 (PDT)
In-Reply-To: <20151008110223.GN27939@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>
Cc: intel-gfx@lists.freedesktop.org, akash.goel@intel.com, shashidhar.hiremath@intel.com
List-Id: intel-gfx@lists.freedesktop.org
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