From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chris Wilson <chris@chris-wilson.co.uk>
Subject: Re: [PATCH v2 5/7] drm/i915/execlists: Direct submit
 onto idle engines
Date: Tue, 08 May 2018 11:40:24 +0100
Message-ID: <152577602419.24602.5336680497820349028@mail.alporthouse.com>
References: <20180507135731.10587-1-chris@chris-wilson.co.uk>
 <20180507135731.10587-5-chris@chris-wilson.co.uk>
 <19dcc3f6-333a-db5a-9b9f-3dd1a892b0a6@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 4BB776E6CA
 for <intel-gfx@lists.freedesktop.org>; Tue,  8 May 2018 10:40:29 +0000 (UTC)
In-Reply-To: <19dcc3f6-333a-db5a-9b9f-3dd1a892b0a6@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: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>, intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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=