From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= <ville.syrjala@linux.intel.com>
Subject: Re: [PATCH 4/5] drm/i915/frontbuffer: Remove early
 frontbuffer flush in prepare_plane_fb()
Date: Thu, 1 Mar 2018 21:24:36 +0200
Message-ID: <20180301192436.GB5453@intel.com>
References: <0bc713a9-e775-b52c-7abd-4013af68d215@linux.intel.com>
 <1519444103.27620.33.camel@dk-H97M-D3H>
 <20180228202813.GP5453@intel.com> <20180228203824.GQ5453@intel.com>
 <1519862553.2444.12.camel@dk-H97M-D3H>
 <20180301105145.GS5453@intel.com> <20180301112250.GW5453@intel.com>
 <20180301183548.GG15113@intel.com>
 <20180301184305.GA5453@intel.com>
 <20180301190040.GH15113@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 mga07.intel.com (mga07.intel.com [134.134.136.100])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 10D626ED66
 for <intel-gfx@lists.freedesktop.org>; Thu,  1 Mar 2018 19:24:39 +0000 (UTC)
Content-Disposition: inline
In-Reply-To: <20180301190040.GH15113@intel.com>
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: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: "intel-gfx@lists.freedesktop.org" <intel-gfx@lists.freedesktop.org>, "Pandiyan, Dhinakaran" <dhinakaran.pandiyan@intel.com>, "Zanoni,
 Paulo R" <paulo.r.zanoni@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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