From mboxrd@z Thu Jan  1 00:00:00 1970
From: Manasi Navare <manasi.d.navare@intel.com>
Subject: Re: [PATCH RESEND] drm: i915: Preserve old FBC status
 for update without new planes
Date: Thu, 1 Jun 2017 16:09:54 -0700
Message-ID: <20170601230952.GA26925@intel.com>
References: <20170601153608.16876-1-krisman@collabora.co.uk>
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 mga07.intel.com (mga07.intel.com [134.134.136.100])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 46F606E440
 for <intel-gfx@lists.freedesktop.org>; Thu,  1 Jun 2017 23:04:26 +0000 (UTC)
Content-Disposition: inline
In-Reply-To: <20170601153608.16876-1-krisman@collabora.co.uk>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://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: <https://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: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Cc: daniel.vetter@intel.com, intel-gfx@lists.freedesktop.org, Paulo Zanoni <paulo.r.zanoni@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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