From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sivakumar Thulasimani <sivakumar.thulasimani@intel.com>
Subject: Re: [PATCH 1/9] drm/i915: Check pixel clock when
 setting mode for DP
Date: Mon, 06 Jul 2015 12:15:25 +0530
Message-ID: <559A2405.8090700@intel.com>
References: <1435923357-3821-1-git-send-email-mika.kahola@intel.com>
 <1435923357-3821-2-git-send-email-mika.kahola@intel.com>
 <20150703125715.GE5176@intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Received: from mga02.intel.com (mga02.intel.com [134.134.136.20])
 by gabe.freedesktop.org (Postfix) with ESMTP id 547836E008
 for <intel-gfx@lists.freedesktop.org>; Sun,  5 Jul 2015 23:45:27 -0700 (PDT)
In-Reply-To: <20150703125715.GE5176@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: =?UTF-8?B?VmlsbGUgU3lyasOkbMOk?= <ville.syrjala@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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