From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jani Nikula <jani.nikula@linux.intel.com>
Subject: Re: [RESEND PATCH 1/5] drm/i915/backlight: Restore
 backlight on resume, v2.
Date: Fri, 28 Dec 2018 12:10:17 +0200
Message-ID: <871s62vu5y.fsf@intel.com>
References: <20181217095024.2340-1-maarten.lankhorst@linux.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 mga02.intel.com (mga02.intel.com [134.134.136.20])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 516BA6E4A3
 for <intel-gfx@lists.freedesktop.org>; Fri, 28 Dec 2018 10:09:53 +0000 (UTC)
In-Reply-To: <20181217095024.2340-1-maarten.lankhorst@linux.intel.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: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>, intel-gfx@lists.freedesktop.org
Cc: Hans de Goede <jwrdegoede@fedoraproject.org>, Tolga Cakir <cevelnet@gmail.com>, Basil Eric Rabi <ericbasil.rabi@gmail.com>
List-Id: intel-gfx@lists.freedesktop.org
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