From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Subject: Re: [PATCH 02/11] drm/i915/execlists: Reset the CSB
 head tracking on reset/sanitization
Date: Fri, 1 Jun 2018 14:54:20 +0100
Message-ID: <c610de84-c414-db52-bd3d-228c57b8cd6f@linux.intel.com>
References: <20180531185204.19520-1-chris@chris-wilson.co.uk>
 <20180531185204.19520-3-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 mga01.intel.com (mga01.intel.com [192.55.52.88])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 2CB836E103
 for <intel-gfx@lists.freedesktop.org>; Fri,  1 Jun 2018 13:54:24 +0000 (UTC)
In-Reply-To: <20180531185204.19520-3-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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