From mboxrd@z Thu Jan  1 00:00:00 1970
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Subject: Re: [PATCH] drm/atomic: protect crtc|connector->state
	with rcu
Date: Fri, 17 Mar 2017 17:52:32 +0100
Message-ID: <013bd055-6906-6304-abbb-576aff64449d@linux.intel.com>
References: <20170316155235.19971-1-daniel.vetter@ffwll.ch>
 <332882ea-3bd1-d417-c355-52a733a6ef77@linux.intel.com>
 <CAKMK7uFsP49YaoW5XxgGDQXPqTbaQ-dEYBDg76TNf717cKOx+w@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
In-Reply-To: <CAKMK7uFsP49YaoW5XxgGDQXPqTbaQ-dEYBDg76TNf717cKOx+w@mail.gmail.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: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Daniel Vetter <daniel.vetter@intel.com>, Intel Graphics Development <intel-gfx@lists.freedesktop.org>, DRI Development <dri-devel@lists.freedesktop.org>
List-Id: dri-devel@lists.freedesktop.org
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