From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Vivi, Rodrigo" <rodrigo.vivi@intel.com>
Subject: Re: [PATCH] drm/i915/skl: Enabling PSR2 SU with frame
	sync
Date: Fri, 20 Mar 2015 21:20:01 +0000
Message-ID: <1426886379.4663.72.camel@intel.com>
References: <1426831076-9775-1-git-send-email-sonika.jindal@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 9CD676E084
 for <intel-gfx@lists.freedesktop.org>; Fri, 20 Mar 2015 14:20:03 -0700 (PDT)
In-Reply-To: <1426831076-9775-1-git-send-email-sonika.jindal@intel.com>
Content-Language: en-US
Content-ID: <8A0DB24C9631AF42AAA491600BA22473@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: "Jindal, Sonika" <sonika.jindal@intel.com>
Cc: "intel-gfx@lists.freedesktop.org" <intel-gfx@lists.freedesktop.org>
List-Id: intel-gfx@lists.freedesktop.org
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