From mboxrd@z Thu Jan  1 00:00:00 1970
From: Imre Deak <imre.deak@intel.com>
Subject: Re: [PATCH v4 1/3] drm/i915: Avoid early GPU idling due
 to race with new request
Date: Mon, 07 Nov 2016 10:25:00 +0200
Message-ID: <1478507100.28078.39.camel@intel.com>
References: <1478334961-27062-1-git-send-email-imre.deak@intel.com>
 <20161105183509.GA25896@nuc-i3427.alporthouse.com>
Reply-To: imre.deak@intel.com
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 mga06.intel.com (mga06.intel.com [134.134.136.31])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 89DC36E31A
 for <intel-gfx@lists.freedesktop.org>; Mon,  7 Nov 2016 08:25:07 +0000 (UTC)
In-Reply-To: <20161105183509.GA25896@nuc-i3427.alporthouse.com>
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>
Cc: intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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=