From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= <ville.syrjala@linux.intel.com>
Subject: Re: [PATCH v3 3/6] drm/i915/display/icl: HW state
 readout for transcoder port sync config
Date: Wed, 25 Sep 2019 13:08:23 +0300
Message-ID: <20190925100823.GV1208@intel.com>
References: <20190922170807.12436-1-manasi.d.navare@intel.com>
 <20190922170807.12436-3-manasi.d.navare@intel.com>
 <2f260ee7-617d-da80-9ca1-9b7d138966d3@linux.intel.com>
 <20190924175957.GA24437@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 mga05.intel.com (mga05.intel.com [192.55.52.43])
 by gabe.freedesktop.org (Postfix) with ESMTPS id B611589CB9
 for <intel-gfx@lists.freedesktop.org>; Wed, 25 Sep 2019 10:08:26 +0000 (UTC)
Content-Disposition: inline
In-Reply-To: <20190924175957.GA24437@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: Manasi Navare <manasi.d.navare@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>, intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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