From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chris Wilson <chris@chris-wilson.co.uk>
Subject: Re: [PATCH 11/18] drm/i915: Record space required for
 request emission
Date: Wed, 14 Sep 2016 18:33:03 +0100
Message-ID: <20160914173303.GL25204@nuc-i3427.alporthouse.com>
References: <20160914065250.15482-1-chris@chris-wilson.co.uk>
 <20160914065250.15482-12-chris@chris-wilson.co.uk>
 <556bb9fb-509a-12a3-9f8d-0d3915b280e9@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 AD1BC6E201
 for <intel-gfx@lists.freedesktop.org>; Wed, 14 Sep 2016 17:33:09 +0000 (UTC)
Content-Disposition: inline
In-Reply-To: <556bb9fb-509a-12a3-9f8d-0d3915b280e9@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>
Cc: intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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