From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jani Nikula <jani.nikula@intel.com>
Subject: Re: [PATCH v2 1/2] drm/dp/i915: Fix DP link rate math
Date: Tue, 15 Nov 2016 11:30:20 +0200
Message-ID: <8737it2iqb.fsf@intel.com>
References: <1479159735-29364-1-git-send-email-dhinakaran.pandiyan@intel.com>
 <1479160220-17794-1-git-send-email-dhinakaran.pandiyan@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 ESMTPS id A109C6E12D
 for <intel-gfx@lists.freedesktop.org>; Tue, 15 Nov 2016 09:30:23 +0000 (UTC)
In-Reply-To: <1479160220-17794-1-git-send-email-dhinakaran.pandiyan@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: intel-gfx@lists.freedesktop.org
Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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