From mboxrd@z Thu Jan  1 00:00:00 1970
From: Imre Deak <imre.deak@intel.com>
Subject: Re: [PATCH 05/21] drm/i915: Actually read out DPLL0 vco
 on skl from hardware
Date: Thu, 19 May 2016 15:38:43 +0300
Message-ID: <1463661523.12342.17.camel@intel.com>
References: <1463172100-24715-1-git-send-email-ville.syrjala@linux.intel.com>
 <1463172100-24715-6-git-send-email-ville.syrjala@linux.intel.com>
Reply-To: imre.deak@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 ESMTP id 5FFEA6E108
 for <intel-gfx@lists.freedesktop.org>; Thu, 19 May 2016 12:38:56 +0000 (UTC)
In-Reply-To: <1463172100-24715-6-git-send-email-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@linux.intel.com, intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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=