From mboxrd@z Thu Jan  1 00:00:00 1970
From: Brian Starkey <brian.starkey@arm.com>
Subject: [RFC PATCH v2 7/9] drm: atomic: factor out common out-fence operations
Date: Wed, 26 Oct 2016 09:55:06 +0100
Message-ID: <1477472108-27222-8-git-send-email-brian.starkey@arm.com>
References: <1477472108-27222-1-git-send-email-brian.starkey@arm.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 foss.arm.com (foss.arm.com [217.140.101.70])
 by gabe.freedesktop.org (Postfix) with ESMTP id 965286E81A
 for <dri-devel@lists.freedesktop.org>; Wed, 26 Oct 2016 08:55:36 +0000 (UTC)
In-Reply-To: <1477472108-27222-1-git-send-email-brian.starkey@arm.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: dri-devel@lists.freedesktop.org
Cc: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org
List-Id: dri-devel@lists.freedesktop.org
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