From mboxrd@z Thu Jan  1 00:00:00 1970
From: Animesh Manna <animesh.manna@intel.com>
Subject: Re: [DMC_BUGFIX_SKL_V2 3/5] drm/i915/skl: Making DC6
 entry is the last call in suspend flow.
Date: Tue, 29 Sep 2015 11:08:25 +0530
Message-ID: <560A23D1.5060208@intel.com>
References: <1440533169-32265-1-git-send-email-animesh.manna@intel.com>
 <1440533169-32265-4-git-send-email-animesh.manna@intel.com>
 <20150928072151.GJ3383@phenom.ffwll.local>
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 97C046E78B
 for <intel-gfx@lists.freedesktop.org>; Mon, 28 Sep 2015 22:37:59 -0700 (PDT)
In-Reply-To: <20150928072151.GJ3383@phenom.ffwll.local>
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: Daniel Vetter <daniel@ffwll.ch>
Cc: Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com>, intel-gfx@lists.freedesktop.org, Daniel Vetter <daniel.vetter@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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==