From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Subject: Re: [PATCH] drm/i915: Prevent use of global_seqno=0
Date: Mon, 21 Jan 2019 11:00:50 +0200
Message-ID: <87womymlkt.fsf@gaia.fi.intel.com>
References: <20190119143024.26971-1-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 mga18.intel.com (mga18.intel.com [134.134.136.126])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 6EF746E6F2
 for <intel-gfx@lists.freedesktop.org>; Mon, 21 Jan 2019 09:02:41 +0000 (UTC)
In-Reply-To: <20190119143024.26971-1-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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=