From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jani Nikula <jani.nikula@intel.com>
Subject: Re: [PATCH v3 2/3] drm/i915: Consult VBT "LVDS config"
 bits to determine whether internal LVDS is present
Date: Tue, 08 May 2018 17:22:09 +0300
Message-ID: <871sem5isu.fsf@intel.com>
References: <20180508124136.10969-2-ville.syrjala@linux.intel.com>
 <20180508140835.20222-1-ville.syrjala@linux.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 mga07.intel.com (mga07.intel.com [134.134.136.100])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 31AE56E99B
 for <intel-gfx@lists.freedesktop.org>; Tue,  8 May 2018 14:19:33 +0000 (UTC)
In-Reply-To: <20180508140835.20222-1-ville.syrjala@linux.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: Ville Syrjala <ville.syrjala@linux.intel.com>, intel-gfx@lists.freedesktop.org
Cc: Ondrej Zary <linux@rainbow-software.org>
List-Id: intel-gfx@lists.freedesktop.org
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==