From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jani Nikula <jani.nikula@linux.intel.com>
Subject: Re: [PATCH v2] drm/i915: Do a better job at disabling
	primary plane in the noatomic case.
Date: Thu, 10 Dec 2015 14:47:17 +0200
Message-ID: <87y4d2jwru.fsf@intel.com>
References: <1447252573-26167-1-git-send-email-maarten.lankhorst@linux.intel.com>
 <1447335466.2774.13.camel@gmail.com> <56449B16.2050001@linux.intel.com>
 <1447421309.2593.21.camel@gmail.com> <5652DB88.9070208@linux.intel.com>
 <20151210083346.GU20822@phenom.ffwll.local>
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 ESMTP id 1D95D6E9C7
 for <intel-gfx@lists.freedesktop.org>; Thu, 10 Dec 2015 04:47:31 -0800 (PST)
In-Reply-To: <20151210083346.GU20822@phenom.ffwll.local>
List-Unsubscribe: <http://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <http://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: <http://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: Daniel Vetter <daniel@ffwll.ch>, Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org, "Tomas M." <tmezzadra@gmail.com>, stable@vger.kernel.org
List-Id: intel-gfx@lists.freedesktop.org
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