From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jani Nikula <jani.nikula@intel.com>
Subject: Re: [PATCH for v4.2] Revert "drm/i915: Allow parsing of
	variable size child device entries from VBT"
Date: Wed, 19 Aug 2015 11:40:21 +0300
Message-ID: <87fv3fd62y.fsf@intel.com>
References: <1439890416-16826-1-git-send-email-jani.nikula@intel.com>
 <CAKMK7uH0wNyKei4GNasri819h=maK0MqiuwdFLKpDthQG=2m8A@mail.gmail.com>
 <1439972274.3167.2.camel@sorvi>
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 mga01.intel.com (mga01.intel.com [192.55.52.88])
 by gabe.freedesktop.org (Postfix) with ESMTP id C32D26E4F7
 for <intel-gfx@lists.freedesktop.org>; Wed, 19 Aug 2015 01:37:22 -0700 (PDT)
In-Reply-To: <1439972274.3167.2.camel@sorvi>
List-Unsubscribe: <http://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <http://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: <http://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: mika.kahola@intel.com, Daniel Vetter <daniel@ffwll.ch>
Cc: intel-gfx <intel-gfx@lists.freedesktop.org>
List-Id: intel-gfx@lists.freedesktop.org
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