From mboxrd@z Thu Jan  1 00:00:00 1970
From: Takashi Iwai <tiwai@suse.de>
Subject: Re: Panic after S3 resume and modeset with MST
Date: Wed, 29 Mar 2017 15:10:09 +0200
Message-ID: <s5hlgrojkjy.wl-tiwai@suse.de>
References: <s5hk27an1x6.wl-tiwai@suse.de>
Mime-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka")
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Received: from mx2.suse.de (mx2.suse.de [195.135.220.15])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 9B3306E017
 for <intel-gfx@lists.freedesktop.org>; Wed, 29 Mar 2017 13:10:11 +0000 (UTC)
In-Reply-To: <s5hk27an1x6.wl-tiwai@suse.de>
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
List-Id: intel-gfx@lists.freedesktop.org
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