From mboxrd@z Thu Jan  1 00:00:00 1970
From: sonika <sonika.jindal@intel.com>
Subject: Re: [PATCH] drm/i915/skl: Enabling PSR2 SU with frame
 sync
Date: Tue, 24 Mar 2015 10:03:43 +0530
Message-ID: <5510E927.3030801@intel.com>
References: <1426831076-9775-1-git-send-email-sonika.jindal@intel.com>
 <550FD165.1010307@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 mga02.intel.com (mga02.intel.com [134.134.136.20])
 by gabe.freedesktop.org (Postfix) with ESMTP id E73D46E25E
 for <intel-gfx@lists.freedesktop.org>; Mon, 23 Mar 2015 21:41:54 -0700 (PDT)
In-Reply-To: <550FD165.1010307@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: Sivakumar Thulasimani <sivakumar.thulasimani@intel.com>, "intel-gfx@lists.freedesktop.org" <intel-gfx@lists.freedesktop.org>
List-Id: intel-gfx@lists.freedesktop.org
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