From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chris Wilson <chris@chris-wilson.co.uk>
Subject: Re: [PATCH 15/18] drm/i915/ringbuffer: Specialise SNB+
 request emission for semaphores
Date: Thu, 21 Jul 2016 15:10:38 +0100
Message-ID: <20160721141038.GW10317@nuc-i3427.alporthouse.com>
References: <1469020330-1071-1-git-send-email-chris@chris-wilson.co.uk>
 <1469020330-1071-16-git-send-email-chris@chris-wilson.co.uk>
 <1469109300.4821.31.camel@linux.intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Received: from fireflyinternet.com (mail.fireflyinternet.com [109.228.58.192])
 by gabe.freedesktop.org (Postfix) with ESMTPS id B08B36E9F5
 for <intel-gfx@lists.freedesktop.org>; Thu, 21 Jul 2016 14:10:44 +0000 (UTC)
Content-Disposition: inline
In-Reply-To: <1469109300.4821.31.camel@linux.intel.com>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://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: <https://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: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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=