From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= <ville.syrjala@linux.intel.com>
Subject: Re: [PATCH] drm/i915: Ensure proper HDA suspend/resume
 ordering with a device link
Date: Mon, 22 Oct 2018 19:22:30 +0300
Message-ID: <20181022162230.GO9144@intel.com>
References: <20181018142558.23186-1-imre.deak@intel.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 mga05.intel.com (mga05.intel.com [192.55.52.43])
 by gabe.freedesktop.org (Postfix) with ESMTPS id D4E8289E3B
 for <intel-gfx@lists.freedesktop.org>; Mon, 22 Oct 2018 16:22:33 +0000 (UTC)
Content-Disposition: inline
In-Reply-To: <20181018142558.23186-1-imre.deak@intel.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: Imre Deak <imre.deak@intel.com>
Cc: Takashi Iwai <tiwai@suse.de>, intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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