From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Subject: Re: [RFC 2/2] drm/exynos: mixer: configure layers once in
 mixer_atomic_flush()
Date: Tue, 20 Sep 2016 16:09:32 +0200
Message-ID: <57E1431C.9080102@math.uni-bielefeld.de>
References: <CGME20160919141707eucas1p281593c95940e8c0b833a84175f39ffe2@eucas1p2.samsung.com>
 <1474294604-18876-1-git-send-email-tjakobi@math.uni-bielefeld.de>
 <65ebc459-91c6-9a93-45ae-356c76cc323b@samsung.com>
 <57E11C3F.6060600@math.uni-bielefeld.de>
 <c32f04a8-3e80-bd93-7da8-9e4ef04e7828@samsung.com>
 <defc2e9d-c305-b6a8-13fc-7b1c86187d60@samsung.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <dri-devel-bounces@lists.freedesktop.org>
Received: from smtp.math.uni-bielefeld.de (smtp.math.uni-bielefeld.de
 [129.70.45.10])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 40B076E176
 for <dri-devel@lists.freedesktop.org>; Tue, 20 Sep 2016 14:09:35 +0000 (UTC)
In-Reply-To: <defc2e9d-c305-b6a8-13fc-7b1c86187d60@samsung.com>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/dri-devel>
List-Post: <mailto:dri-devel@lists.freedesktop.org>
List-Help: <mailto:dri-devel-request@lists.freedesktop.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=subscribe>
Errors-To: dri-devel-bounces@lists.freedesktop.org
Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org>
To: Andrzej Hajda <a.hajda@samsung.com>, linux-samsung-soc@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org, m.szyprowski@samsung.com
List-Id: dri-devel@lists.freedesktop.org
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