From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Subject: Re: [PATCH 5/5] drm/i915/execlists: Drop promotion on
 unsubmit
Date: Fri, 17 May 2019 15:30:12 +0100
Message-ID: <ae242ab8-5c0c-7d25-a69a-bf1dbde7ca7b@linux.intel.com>
References: <20190515130052.4475-1-chris@chris-wilson.co.uk>
 <20190515130052.4475-5-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 mga18.intel.com (mga18.intel.com [134.134.136.126])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 68D40898EE
 for <intel-gfx@lists.freedesktop.org>; Fri, 17 May 2019 14:30:14 +0000 (UTC)
In-Reply-To: <20190515130052.4475-5-chris@chris-wilson.co.uk>
Content-Language: en-US
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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