From mboxrd@z Thu Jan  1 00:00:00 1970
From: Lukas Wunner <lukas@wunner.de>
Subject: Re: [PATCH v2.1 3/3] drm/edid: Switch DDC when reading the EDID
Date: Mon, 17 Aug 2015 22:24:32 +0200
Message-ID: <20150817202432.GA6813@wunner.de>
References: <7984d8eacbb0386ca52e3fdf2ad2554dc90ff1fe.1439739853.git.lukas@wunner.de>
 <3f927fb1a1df18bfdbb501b98a6b2dcd5c064f02.1439739853.git.lukas@wunner.de>
 <3d6de562c9dd7387318f90f2dc1578e56cb666c1.1439739853.git.lukas@wunner.de>
 <20150817104130.GC8453@ulmo.nvidia.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <dri-devel-bounces@lists.freedesktop.org>
Received: from mailout1.hostsharing.net (mailout1.hostsharing.net
 [83.223.95.204])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 691A76E10C
 for <dri-devel@lists.freedesktop.org>; Mon, 17 Aug 2015 13:24:38 -0700 (PDT)
Content-Disposition: inline
In-Reply-To: <20150817104130.GC8453@ulmo.nvidia.com>
List-Unsubscribe: <http://lists.freedesktop.org/mailman/options/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <http://lists.freedesktop.org/archives/dri-devel>
List-Post: <mailto:dri-devel@lists.freedesktop.org>
List-Help: <mailto:dri-devel-request@lists.freedesktop.org?subject=help>
List-Subscribe: <http://lists.freedesktop.org/mailman/listinfo/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=subscribe>
Errors-To: dri-devel-bounces@lists.freedesktop.org
Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org>
To: Thierry Reding <thierry.reding@gmail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>, Seth Forshee <seth.forshee@canonical.com>, dri-devel@lists.freedesktop.org, Dave Airlie <airlied@redhat.com>
List-Id: dri-devel@lists.freedesktop.org
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