From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= <ville.syrjala@linux.intel.com>
Subject: Re: [PATCH] drm/i915: Wait for PP cycle delay only if
 panel is in power off sequence
Date: Thu, 10 Dec 2015 15:15:37 +0200
Message-ID: <20151210131537.GO4437@intel.com>
References: <56682130.7070300@linux.intel.com>
 <1449667308-24296-1-git-send-email-shobhit.kumar@intel.com>
 <20151209135711.GE4437@intel.com>
 <CAAbrOme0_BnKX4URvR0EKpZtsJLjAVuEgA+hpgOx4_aX7-taOQ@mail.gmail.com>
 <20151209150453.GA29974@nuc-i3427.alporthouse.com>
 <CAAbrOmeLTPRwrHf+B+JQr5W=Hy+D00k29G9mkdei7LjS+8MO6g@mail.gmail.com>
 <20151209160517.GH4437@intel.com>
 <56694656.8040607@linux.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 mga09.intel.com (mga09.intel.com [134.134.136.24])
 by gabe.freedesktop.org (Postfix) with ESMTP id 8FABB6E9E6
 for <Intel-gfx@lists.freedesktop.org>; Thu, 10 Dec 2015 05:15:45 -0800 (PST)
Content-Disposition: inline
In-Reply-To: <56694656.8040607@linux.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: "Kumar, Shobhit" <shobhit.kumar@linux.intel.com>
Cc: Shobhit Kumar <shobhit.kumar@intel.com>, intel-gfx <Intel-gfx@lists.freedesktop.org>
List-Id: intel-gfx@lists.freedesktop.org
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