From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jani Nikula <jani.nikula@linux.intel.com>
Subject: Re: Potential BUG in drm/i915/execlists: Reset RING
	registers upon resume
Date: Mon, 20 Mar 2017 17:01:34 +0200
Message-ID: <87fui8at69.fsf@intel.com>
References: <1489443835.5568.7.camel@mailbox.org>
 <CADU241M-W-axz4uHV7eQBFPj4tiNJjKkq33qfSnvjc=CBZxmKA@mail.gmail.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 mga04.intel.com (mga04.intel.com [192.55.52.120])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 230106E5B1
 for <intel-gfx@lists.freedesktop.org>; Mon, 20 Mar 2017 15:01:37 +0000 (UTC)
In-Reply-To: <CADU241M-W-axz4uHV7eQBFPj4tiNJjKkq33qfSnvjc=CBZxmKA@mail.gmail.com>
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: Eric Blau <eblau@eblau.com>, Damian Dominik Martinez Dreyer <damian@mailbox.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, intel-gfx@lists.freedesktop.org, stable@vger.kernel.org
List-Id: intel-gfx@lists.freedesktop.org
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