From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mario Kleiner <mario.kleiner.de@gmail.com>
Subject: Re: Precise vblank timestamping for VC4 kms.
Date: Mon, 27 Jun 2016 12:31:41 +0200
Message-ID: <5771008D.7030209@gmail.com>
References: <1466662670-9884-1-git-send-email-mario.kleiner.de@gmail.com>
 <CAKMK7uGd_t0Zy_-WuartOZ0Gvb1fYwknGBjZcV1M+nzsbttHaA@mail.gmail.com>
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 mail-wm0-x22a.google.com (mail-wm0-x22a.google.com
 [IPv6:2a00:1450:400c:c09::22a])
 by gabe.freedesktop.org (Postfix) with ESMTPS id EA5766E261
 for <dri-devel@lists.freedesktop.org>; Mon, 27 Jun 2016 10:31:46 +0000 (UTC)
Received: by mail-wm0-x22a.google.com with SMTP id v199so94159317wmv.0
 for <dri-devel@lists.freedesktop.org>; Mon, 27 Jun 2016 03:31:46 -0700 (PDT)
In-Reply-To: <CAKMK7uGd_t0Zy_-WuartOZ0Gvb1fYwknGBjZcV1M+nzsbttHaA@mail.gmail.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: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel <dri-devel@lists.freedesktop.org>
List-Id: dri-devel@lists.freedesktop.org
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