From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Subject: Re: [PATCH v2] drm/i915: Include GT/seqno activity in
	engine/hangcheck debugfs
Date: Thu, 02 Mar 2017 17:27:23 +0200
Message-ID: <87lgsnbsx0.fsf@gaia.fi.intel.com>
References: <20170302142120.18012-1-chris@chris-wilson.co.uk>
 <20170302150356.9713-1-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 mga11.intel.com (mga11.intel.com [192.55.52.93])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 6705D6EB93
 for <intel-gfx@lists.freedesktop.org>; Thu,  2 Mar 2017 15:29:37 +0000 (UTC)
In-Reply-To: <20170302150356.9713-1-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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=