From mboxrd@z Thu Jan  1 00:00:00 1970
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Subject: Re: [PATCH v4 2/5] drm/i915/psr: Begin to handle
 PSR/PSR2 errors set by sink
Date: Thu, 14 Jun 2018 14:09:34 -0700
Message-ID: <20180614210934.GW8374@intel.com>
References: <20180614203433.5602-1-jose.souza@intel.com>
 <20180614203433.5602-2-jose.souza@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 mga17.intel.com (mga17.intel.com [192.55.52.151])
 by gabe.freedesktop.org (Postfix) with ESMTPS id B45516E8FA
 for <intel-gfx@lists.freedesktop.org>; Thu, 14 Jun 2018 21:09:36 +0000 (UTC)
Content-Disposition: inline
In-Reply-To: <20180614203433.5602-2-jose.souza@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: =?iso-8859-1?Q?Jos=E9?= Roberto de Souza <jose.souza@intel.com>
Cc: intel-gfx@lists.freedesktop.org, Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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