From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <intel-gfx-bounces@lists.freedesktop.org>
Date: Tue, 2 Oct 2018 19:28:39 +0300
From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= <ville.syrjala@linux.intel.com>
Message-ID: <20181002162839.GD9144@intel.com>
References: <20181002153607.12073-1-chris@chris-wilson.co.uk>
MIME-Version: 1.0
Content-Disposition: inline
In-Reply-To: <20181002153607.12073-1-chris@chris-wilson.co.uk>
Subject: Re: [Intel-gfx] [igt-dev] [PATCH i-g-t] igt/pm_rpm: Handle no-KMS
 gracefully
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>
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Errors-To: intel-gfx-bounces@lists.freedesktop.org
Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: igt-dev@lists.freedesktop.org, intel-gfx@lists.freedesktop.org
List-ID: <igt-dev@lists.freedesktop.org>
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==