From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= <ville.syrjala@linux.intel.com>
Subject: Re: [PATCH] drm/i915/cnl: Add support for horizontal
 plane flipping
Date: Sat, 16 Dec 2017 17:25:01 +0200
Message-ID: <20171216152501.GF10981@intel.com>
References: <20171215213800.7896-1-rodrigo.vivi@intel.com>
 <151337654561.2682.6712307470962702622@mail.alporthouse.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 mga14.intel.com (mga14.intel.com [192.55.52.115])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 645DC6E0B5
 for <intel-gfx@lists.freedesktop.org>; Sat, 16 Dec 2017 15:25:05 +0000 (UTC)
Content-Disposition: inline
In-Reply-To: <151337654561.2682.6712307470962702622@mail.alporthouse.com>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://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: <https://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: Chris Wilson <chris@chris-wilson.co.uk>
Cc: intel-gfx@lists.freedesktop.org, Rodrigo Vivi <rodrigo.vivi@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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