From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jani Nikula <jani.nikula@linux.intel.com>
Subject: Re: [PATCH 11/12] drm/i915: Extract DIMM info on cnl+
Date: Tue, 05 Mar 2019 18:16:57 +0200
Message-ID: <87woldb8jq.fsf@intel.com>
References: <20190225202907.731-1-ville.syrjala@linux.intel.com>
 <20190225202907.731-12-ville.syrjala@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 mga03.intel.com (mga03.intel.com [134.134.136.65])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 26ACA89EA6
 for <intel-gfx@lists.freedesktop.org>; Tue,  5 Mar 2019 16:14:49 +0000 (UTC)
In-Reply-To: <20190225202907.731-12-ville.syrjala@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: Ville Syrjala <ville.syrjala@linux.intel.com>, intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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