From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Kumar, Shobhit" <shobhit.kumar@linux.intel.com>
Subject: Re: [v3] drm/i915/skl: If needed sanitize bios
 programmed cdclk
Date: Mon, 19 Oct 2015 13:13:07 +0530
Message-ID: <56249F0B.4070302@linux.intel.com>
References: <1444278535-16483-1-git-send-email-shobhit.kumar@intel.com>
 <1445001533-28070-1-git-send-email-shobhit.kumar@intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Received: from mga09.intel.com (mga09.intel.com [134.134.136.24])
 by gabe.freedesktop.org (Postfix) with ESMTP id 8348F6E129
 for <intel-gfx@lists.freedesktop.org>; Mon, 19 Oct 2015 00:43:38 -0700 (PDT)
In-Reply-To: <1445001533-28070-1-git-send-email-shobhit.kumar@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: Shobhit Kumar <shobhit.kumar@intel.com>, intel-gfx@lists.freedesktop.org, =?UTF-8?B?VmlsbGUgU3lyasOkbMOk?= <ville.syrjala@linux.intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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