From mboxrd@z Thu Jan  1 00:00:00 1970
From: Archit Taneja <architt@codeaurora.org>
Subject: Re: [RFC v3 5/8] drm/msm: update cursors asynchronously through atomic
Date: Fri, 19 May 2017 11:24:37 +0530
Message-ID: <988c8aa3-8b75-bae5-3322-f15dfa29e0b5@codeaurora.org>
References: <20170512191054.10074-1-gustavo@padovan.org>
 <20170512191054.10074-6-gustavo@padovan.org>
 <99acad61-8906-adb1-bcb4-a704dbed833c@codeaurora.org>
 <9ba97677-adbb-6589-cdf6-0619f86e0dd2@codeaurora.org>
 <20170517113528.n7qq2wndv2mcqqi2@phenom.ffwll.local>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <dri-devel-bounces@lists.freedesktop.org>
Received: from smtp.codeaurora.org (smtp.codeaurora.org [198.145.29.96])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 70EDC6E006
 for <dri-devel@lists.freedesktop.org>; Fri, 19 May 2017 05:54:42 +0000 (UTC)
In-Reply-To: <20170517113528.n7qq2wndv2mcqqi2@phenom.ffwll.local>
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: Daniel Vetter <daniel@ffwll.ch>, Gustavo Padovan <gustavo@padovan.org>
Cc: Gustavo Padovan <gustavo.padovan@collabora.com>, dri-devel@lists.freedesktop.org
List-Id: dri-devel@lists.freedesktop.org
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=