From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Maiti, Nabendu Bikash" <nabendu.bikash.maiti@intel.com>
Subject: Re: [PATCH] drm/i915: Add BXT Sprite plane fractional
 scalings
Date: Wed, 18 Nov 2015 18:37:17 +0530
Message-ID: <564C7805.9060407@intel.com>
References: <1447846981-32074-1-git-send-email-nabendu.bikash.maiti@intel.com>
 <20151118121137.GD4437@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 C359A89E35
 for <intel-gfx@lists.freedesktop.org>; Wed, 18 Nov 2015 05:08:01 -0800 (PST)
In-Reply-To: <20151118121137.GD4437@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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