From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mario Kleiner <mario.kleiner.de@gmail.com>
Subject: Re: [PATCH] drm/vblank: Fixup and document timestamp
 update/read barriers
Date: Wed, 15 Apr 2015 23:26:37 +0200
Message-ID: <552ED78D.7060004@gmail.com>
References: <1429093934-7535-1-git-send-email-daniel.vetter@ffwll.ch>
 <1429119283-11215-1-git-send-email-daniel.vetter@ffwll.ch>
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>
In-Reply-To: <1429119283-11215-1-git-send-email-daniel.vetter@ffwll.ch>
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: Daniel Vetter <daniel.vetter@ffwll.ch>, Intel Graphics Development <intel-gfx@lists.freedesktop.org>, DRI Development <dri-devel@lists.freedesktop.org>
Cc: Daniel Vetter <daniel.vetter@intel.com>, =?UTF-8?B?TWljaGVsIETDpG56ZXI=?= <michel@daenzer.net>, Peter Hurley <peter@hurleysoftware.com>
List-Id: intel-gfx@lists.freedesktop.org
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==