From mboxrd@z Thu Jan  1 00:00:00 1970
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Subject: Re: [PATCH v2 2/3] drm/i915/frontbuffer: HW tracking
 for cursor moves to fix PSR lags.
Date: Wed, 7 Mar 2018 15:43:10 -0800
Message-ID: <20180307234309.GT4440@intel.com>
References: <20180307033420.3086-1-dhinakaran.pandiyan@intel.com>
 <20180307033420.3086-2-dhinakaran.pandiyan@intel.com>
 <152046321267.3176.11917243839208355288@mail.alporthouse.com>
 <1520465664.20396.67.camel@dk-H97M-D3H>
 <20180307232313.GP4440@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 mga18.intel.com (mga18.intel.com [134.134.136.126])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 298346E760
 for <intel-gfx@lists.freedesktop.org>; Wed,  7 Mar 2018 23:43:12 +0000 (UTC)
Content-Disposition: inline
In-Reply-To: <20180307232313.GP4440@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: "Pandiyan, Dhinakaran" <dhinakaran.pandiyan@intel.com>
Cc: "Dhinakaran@freedesktop.org" <Dhinakaran@freedesktop.org>, "intel-gfx@lists.freedesktop.org" <intel-gfx@lists.freedesktop.org>
List-Id: intel-gfx@lists.freedesktop.org
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