From mboxrd@z Thu Jan  1 00:00:00 1970
From: Martin Peres <martin.peres@linux.intel.com>
Subject: Re: KMS backlight ABI proposition
Date: Fri, 24 Feb 2017 14:56:23 +0200
Message-ID: <e70710d0-1faa-9e56-a570-ac8385aa9f8f@linux.intel.com>
References: <4b17ba08-39f3-57dd-5aad-d37d844b02c6@linux.intel.com>
 <CACP_E+Jtk8Snome27QzMxbBPWNTRkWY9Yn2_ke_PEZQuLvNT=A@mail.gmail.com>
 <8760k1i9kz.fsf@intel.com>
 <CACP_E++J13QGVKVZYpv_Tg5KLMUvBNj9jtG2aE__Vh2FSWvOjw@mail.gmail.com>
 <87o9xsvv0g.fsf@intel.com> <0c78d424-6d3f-b4e5-f301-54b1acd3bdc7@redhat.com>
 <87ino0vsna.fsf@intel.com> <6d2aa160-01f3-bce3-a696-9352f808ce2c@redhat.com>
 <6eb297d8-ab57-2d73-a4d0-91b7c7785af4@redhat.com>
 <0f9e5d38-6c7d-d5ec-8fdb-8a9fee2c4d21@redhat.com>
 <f393f5d2-a5d0-158a-a5f7-17ab27be3ac8@linux.intel.com>
 <429a0992-b744-6632-c04a-f1b665323e40@redhat.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <dri-devel-bounces@lists.freedesktop.org>
Received: from mga03.intel.com (mga03.intel.com [134.134.136.65])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 080BC6EC3E
 for <dri-devel@lists.freedesktop.org>; Fri, 24 Feb 2017 12:56:28 +0000 (UTC)
In-Reply-To: <429a0992-b744-6632-c04a-f1b665323e40@redhat.com>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/dri-devel>
List-Post: <mailto:dri-devel@lists.freedesktop.org>
List-Help: <mailto:dri-devel-request@lists.freedesktop.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=subscribe>
Errors-To: dri-devel-bounces@lists.freedesktop.org
Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org>
To: Hans de Goede <hdegoede@redhat.com>, Jani Nikula <jani.nikula@linux.intel.com>, =?UTF-8?Q?St=c3=a9phane_Marchesin?= <stephane.marchesin@gmail.com>
Cc: =?UTF-8?Q?Martin_Gr=c3=a4=c3=9flin?= <mgraesslin@kde.org>, "dri-devel@lists.freedesktop.org" <dri-devel@lists.freedesktop.org>
List-Id: dri-devel@lists.freedesktop.org
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