From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jani Nikula <jani.nikula@intel.com>
Subject: [PATCH v4] drm/i915: add bxt gmbus support
Date: Fri, 27 Mar 2015 11:00:10 +0200
Message-ID: <1427446810-8394-1-git-send-email-jani.nikula@intel.com>
References: <02a602af8e400d2d9c592a5a6ce82077697a92ac.1427407523.git.jani.nikula@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 mga01.intel.com (mga01.intel.com [192.55.52.88])
 by gabe.freedesktop.org (Postfix) with ESMTP id 5EC226EB33
 for <intel-gfx@lists.freedesktop.org>; Fri, 27 Mar 2015 02:01:54 -0700 (PDT)
In-Reply-To: <02a602af8e400d2d9c592a5a6ce82077697a92ac.1427407523.git.jani.nikula@intel.com>
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: intel-gfx@lists.freedesktop.org
Cc: jani.nikula@intel.com
List-Id: intel-gfx@lists.freedesktop.org
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