From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jani Nikula <jani.nikula@linux.intel.com>
Subject: Re: [PATCH 4/4] drm/i915: Get HW state changes required
	for	DSI port C
Date: Mon, 08 Dec 2014 15:31:25 +0200
Message-ID: <87d27umfo2.fsf@intel.com>
References: <1417949035-32199-1-git-send-email-gaurav.k.singh@intel.com>
 <1417949035-32199-5-git-send-email-gaurav.k.singh@intel.com>
 <87wq62mkxt.fsf@intel.com> <5485A3E0.3080302@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 6910F6E697
 for <intel-gfx@lists.freedesktop.org>; Mon,  8 Dec 2014 05:32:13 -0800 (PST)
In-Reply-To: <5485A3E0.3080302@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: "Singh, Gaurav K" <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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