From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jani Nikula <jani.nikula@linux.intel.com>
Subject: Re: [PATCH 3/9] drm/i915: Add support for
	port	enable/disable for dual link configuration
Date: Mon, 01 Dec 2014 16:11:38 +0200
Message-ID: <87wq6ba291.fsf@intel.com>
References: <1417254967-27384-1-git-send-email-gaurav.k.singh@intel.com>
 <1417254967-27384-4-git-send-email-gaurav.k.singh@intel.com>
 <878uirbj1n.fsf@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 mga09.intel.com (mga09.intel.com [134.134.136.24])
 by gabe.freedesktop.org (Postfix) with ESMTP id A711A6E395
 for <intel-gfx@lists.freedesktop.org>; Mon,  1 Dec 2014 06:12:04 -0800 (PST)
In-Reply-To: <878uirbj1n.fsf@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: Gaurav K Singh <gaurav.k.singh@intel.com>, intel-gfx <intel-gfx@lists.freedesktop.org>
Cc: Shobhit Kumar <shobhit.kumar@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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