From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chris Wilson <chris@chris-wilson.co.uk>
Subject: Re: [PATCH v2 1/2] drm/i915: Flush to GTT domain all
 GGTT bound objects after hibernation
Date: Fri, 9 Sep 2016 20:06:00 +0100
Message-ID: <20160909190600.GQ20027@nuc-i3427.alporthouse.com>
References: <20160825091541.780-1-chris@chris-wilson.co.uk>
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 fireflyinternet.com (mail.fireflyinternet.com [109.228.58.192])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 361096E207
 for <intel-gfx@lists.freedesktop.org>; Fri,  9 Sep 2016 19:06:11 +0000 (UTC)
Content-Disposition: inline
In-Reply-To: <20160825091541.780-1-chris@chris-wilson.co.uk>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://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: <https://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: David Weinehall <david.weinehall@intel.com>, Mika Kuoppala <mika.kuoppala@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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==