From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Subject: Re: [PATCH 05/23] drm/i915: Issue engine resets onto
 idle engines
Date: Fri, 18 Jan 2019 14:06:32 +0200
Message-ID: <87k1j2w4on.fsf@gaia.fi.intel.com>
References: <20190117143519.16086-1-chris@chris-wilson.co.uk>
 <20190117143519.16086-6-chris@chris-wilson.co.uk>
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 mga02.intel.com (mga02.intel.com [134.134.136.20])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 30E846E4F1
 for <intel-gfx@lists.freedesktop.org>; Fri, 18 Jan 2019 12:08:22 +0000 (UTC)
In-Reply-To: <20190117143519.16086-6-chris@chris-wilson.co.uk>
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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