From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jani Nikula <jani.nikula@intel.com>
Subject: Re: [PATCH] drm/i915/glk: limit pixel clock to 99% of
	cdclk workaround
Date: Tue, 04 Apr 2017 11:40:09 +0300
Message-ID: <87zifwo9au.fsf@intel.com>
References: <1491293753-12325-1-git-send-email-jani.nikula@intel.com>
 <1491294079.3274.3.camel@gmail.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 ESMTPS id D0C876E537
 for <intel-gfx@lists.freedesktop.org>; Tue,  4 Apr 2017 08:40:23 +0000 (UTC)
In-Reply-To: <1491294079.3274.3.camel@gmail.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: Ander Conselvan De Oliveira <conselvan2@gmail.com>, intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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