From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Subject: Re: [PATCH 4/9] drm/i915: Introduce
	intel_prepare_cursor_plane()
Date: Mon, 01 Dec 2014 10:26:35 +0200
Message-ID: <547C263B.6000401@gmail.com>
References: <1416858786-25376-1-git-send-email-matthew.d.roper@intel.com>
 <1416858786-25376-5-git-send-email-matthew.d.roper@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 mga09.intel.com (mga09.intel.com [134.134.136.24])
 by gabe.freedesktop.org (Postfix) with ESMTP id 2DF686E1D6
 for <intel-gfx@lists.freedesktop.org>; Mon,  1 Dec 2014 00:26:38 -0800 (PST)
In-Reply-To: <1416858786-25376-5-git-send-email-matthew.d.roper@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: Matt Roper <matthew.d.roper@intel.com>, intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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