From mboxrd@z Thu Jan  1 00:00:00 1970
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Subject: Re: [PATCH 04/10] drm/i915: Always read out M2_N2 in
 intel_cpu_transcoder_get_m_n
Date: Thu, 11 Oct 2018 20:17:49 +0200
Message-ID: <3b6ede95-7ba3-2ba0-76e8-08cc040d129f@linux.intel.com>
References: <20181011100457.8776-1-maarten.lankhorst@linux.intel.com>
 <20181011100457.8776-5-maarten.lankhorst@linux.intel.com>
 <20181011115601.GA9144@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 mga01.intel.com (mga01.intel.com [192.55.52.88])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 8B1346E41E
 for <intel-gfx@lists.freedesktop.org>; Thu, 11 Oct 2018 18:17:52 +0000 (UTC)
In-Reply-To: <20181011115601.GA9144@intel.com>
Content-Language: en-US
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: =?UTF-8?B?VmlsbGUgU3lyasOkbMOk?= <ville.syrjala@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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