From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Subject: Re: [PATCH] drm/i915: Introduce concept of a
 sub-platform
Date: Fri, 15 Mar 2019 17:31:05 +0000
Message-ID: <ba136e6a-c867-ee16-673e-4ebd4578cb83@linux.intel.com>
References: <20190315122633.11421-1-tvrtko.ursulin@linux.intel.com>
 <20190315171250.tfj3xmlqncesqlrq@ldmartin-desk.amr.corp.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 ESMTPS id 305386E4D5
 for <Intel-gfx@lists.freedesktop.org>; Fri, 15 Mar 2019 17:31:09 +0000 (UTC)
In-Reply-To: <20190315171250.tfj3xmlqncesqlrq@ldmartin-desk.amr.corp.intel.com>
Content-Language: en-US
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: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>, Intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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