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 1/2] drm/i915: Move long hpd handling into
 the hotplug work
Date: Wed, 5 Oct 2016 12:49:22 +0300
Message-ID: <20161005094922.GA4329@intel.com>
References: <1475481316-8194-1-git-send-email-ville.syrjala@linux.intel.com>
 <1475494756.2635.1.camel@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 mga02.intel.com (mga02.intel.com [134.134.136.20])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 258256E805
 for <intel-gfx@lists.freedesktop.org>; Wed,  5 Oct 2016 09:49:27 +0000 (UTC)
Content-Disposition: inline
In-Reply-To: <1475494756.2635.1.camel@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: Ander Conselvan De Oliveira <conselvan2@gmail.com>
Cc: Damien Cassou <damien@cassou.me>, intel-gfx@lists.freedesktop.org, stable@vger.kernel.org, Shubhangi Shrivastava <shubhangi.shrivastava@intel.com>, Arno <blouin.arno@gmail.com>, freedesktop.org@gp.mailgun.org
List-Id: intel-gfx@lists.freedesktop.org
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==