From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mika Kahola <mika.kahola@intel.com>
Subject: Re: [PATCH v5 1/8] drm/i915: Cache current cdclk
 frequency	in dev_priv
Date: Wed, 03 Jun 2015 09:57:09 +0300
Message-ID: <1433314629.2966.0.camel@sorvi>
References: <1433229666-3152-1-git-send-email-mika.kahola@intel.com>
 <1433229666-3152-2-git-send-email-mika.kahola@intel.com>
 <87twuq6sxc.fsf@intel.com>
Reply-To: mika.kahola@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 mga14.intel.com (mga14.intel.com [192.55.52.115])
 by gabe.freedesktop.org (Postfix) with ESMTP id 144EB6E95C
 for <intel-gfx@lists.freedesktop.org>; Tue,  2 Jun 2015 23:56:19 -0700 (PDT)
In-Reply-To: <87twuq6sxc.fsf@intel.com>
List-Unsubscribe: <http://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <http://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: <http://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: Jani Nikula <jani.nikula@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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