From mboxrd@z Thu Jan  1 00:00:00 1970
From: Imre Deak <imre.deak@intel.com>
Subject: Re: [PATCH 1/2] drm/i915/gen9: Assume CDCLK PLL is off
 if it's not locked
Date: Tue, 24 May 2016 14:59:55 +0300
Message-ID: <1464091195.22727.5.camel@intel.com>
References: <1464082071-4562-1-git-send-email-imre.deak@intel.com>
 <20160524102248.GB4329@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 D290C6E0C5
 for <intel-gfx@lists.freedesktop.org>; Tue, 24 May 2016 11:59:57 +0000 (UTC)
In-Reply-To: <20160524102248.GB4329@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 =?ISO-8859-1?Q?Syrj=E4l=E4?= <ville.syrjala@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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