From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Subject: Re: [PATCH 6/6] drm/i915: Track the last-active inside
 the i915_vma
Date: Tue, 3 Jul 2018 18:40:23 +0100
Message-ID: <b250d9b4-e277-96e9-a1c6-39d7acdf8254@linux.intel.com>
References: <20180629225419.5832-1-chris@chris-wilson.co.uk>
 <20180629225419.5832-6-chris@chris-wilson.co.uk>
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>
Received: from mga07.intel.com (mga07.intel.com [134.134.136.100])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 4ADFD89722
 for <intel-gfx@lists.freedesktop.org>; Tue,  3 Jul 2018 17:40:26 +0000 (UTC)
In-Reply-To: <20180629225419.5832-6-chris@chris-wilson.co.uk>
Content-Language: en-GB
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: Chris Wilson <chris@chris-wilson.co.uk>, intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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