From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chris Wilson <chris@chris-wilson.co.uk>
Subject: [PATCH v5] drm/i915: Be more careful to drop the GT
	wakeref
Date: Tue, 15 Nov 2016 16:46:20 +0000
Message-ID: <20161115164620.17185-1-chris@chris-wilson.co.uk>
References: <20161115142646.5949-1-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 mail-wm0-x242.google.com (mail-wm0-x242.google.com
 [IPv6:2a00:1450:400c:c09::242])
 by gabe.freedesktop.org (Postfix) with ESMTPS id C428A898B7
 for <intel-gfx@lists.freedesktop.org>; Tue, 15 Nov 2016 16:46:23 +0000 (UTC)
Received: by mail-wm0-x242.google.com with SMTP id a20so1761139wme.2
 for <intel-gfx@lists.freedesktop.org>; Tue, 15 Nov 2016 08:46:23 -0800 (PST)
In-Reply-To: <20161115142646.5949-1-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: intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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=