From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Subject: Re: [PATCH] drm/i915: Park before resetting the
 submission backend
Date: Mon, 9 Apr 2018 16:08:34 +0530
Message-ID: <5771b79d-e19e-c429-527b-b49e9089af12@intel.com>
References: <20180409101819.5572-1-chris@chris-wilson.co.uk>
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 mga11.intel.com (mga11.intel.com [192.55.52.93])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 957F489F6B
 for <intel-gfx@lists.freedesktop.org>; Mon,  9 Apr 2018 10:38:37 +0000 (UTC)
In-Reply-To: <20180409101819.5572-1-chris@chris-wilson.co.uk>
Content-Language: en-US
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: Chris Wilson <chris@chris-wilson.co.uk>, intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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