From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Kamble, Sagar A" <sagar.a.kamble@intel.com>
Subject: Re: [PATCH v2 3/6] drm/i915/guc: Add host2guc
 notification for suspend and resume
Date: Thu, 24 Sep 2015 13:57:18 +0530
Message-ID: <5603B3E6.7000805@intel.com>
References: <1441929372-26140-1-git-send-email-yu.dai@intel.com>
 <1442954925-4022-1-git-send-email-yu.dai@intel.com>
 <1442954925-4022-4-git-send-email-yu.dai@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 mga09.intel.com (mga09.intel.com [134.134.136.24])
 by gabe.freedesktop.org (Postfix) with ESMTP id B25726E18B
 for <intel-gfx@lists.freedesktop.org>; Thu, 24 Sep 2015 01:27:39 -0700 (PDT)
In-Reply-To: <1442954925-4022-4-git-send-email-yu.dai@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: yu.dai@intel.com, intel-gfx@lists.freedesktop.org
Cc: "Hiremath, Shashidhar" <shashidhar.hiremath@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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