From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752776AbdHVUeH (ORCPT ); Tue, 22 Aug 2017 16:34:07 -0400 Received: from mail.free-electrons.com ([62.4.15.54]:43697 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752235AbdHVUeG (ORCPT ); Tue, 22 Aug 2017 16:34:06 -0400 Date: Tue, 22 Aug 2017 22:33:54 +0200 From: Maxime Ripard To: icenowy@aosc.io Cc: devicetree@vger.kernel.org, Chen-Yu Tsai , linux-sunxi@googlegroups.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH] ARM: sun8i: a33: add dts for Q8 tablets with different resolution Message-ID: <20170822203354.la2w2fb3ljxwmjo4@flea.home> References: <20170817074926.3410-1-icenowy@aosc.io> <20170821084053.s4qmhlvgsmckmqgh@flea.lan> <4a0a72b4679db296a8e48512c41a2ce5@aosc.io> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="rjyi3vbtv2q6yu56" Content-Disposition: inline In-Reply-To: <4a0a72b4679db296a8e48512c41a2ce5@aosc.io> User-Agent: NeoMutt/20170714 (1.8.3) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --rjyi3vbtv2q6yu56 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Aug 21, 2017 at 04:44:30PM +0800, icenowy@aosc.io wrote: > =E5=9C=A8 2017-08-21 16:40=EF=BC=8CMaxime Ripard =E5=86=99=E9=81=93=EF=BC= =9A > > On Thu, Aug 17, 2017 at 03:49:26PM +0800, Icenowy Zheng wrote: > > > Q8 tablets with Allwinner A33 SoC now come with two kind of LCD, > > > either > > > 800x480 or 1024x600. > > >=20 > > > In order for sun4i-drm to be able to choose correct LCD configuration, > > > two different device trees should be present, one for a resolution. > > >=20 > > > Add stub device trees for two resolutions. > > >=20 > > > As the sun4i-drm driver still has some problems to support the LCDs, > > > the > > > real LCD device nodes are not added to the device tree files. > > >=20 > > > Signed-off-by: Icenowy Zheng > >=20 > > This should be an overlay, ideally applied by the bootloader. >=20 > I think this is not suitable for overlay. >=20 > The two kind of Q8 tablets are not compatible at all, and they > should both have a suitable device tree. How are they not compatible? Maxime --=20 Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com --rjyi3vbtv2q6yu56 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIcBAEBAgAGBQJZnJUyAAoJEBx+YmzsjxAgw/oP/1HozhQKc4Cc7AtJd7LQAk8c g4hkZh6HfVHgMqPV9CEsZsNMo9dvof97doaFOc6UBq4e1bVCh3bx32Vd5fNl5OXp dXEBfLzotuQikXnS1tbNzUrUa0yKDjn+y2NBebLxuN0/Ql1EBwin3/LXgm3HCqD3 WIySN7yuAicNCy9Q/rHueV+rZCYN2hTCkT1C7ajq4FqlmwQSvICq2S2FOJuujTBA /9rQLGUi4XSpQnaVsnFP7X2RPrpK059RUpTdcOvYTB+YkwZ8/q6me3yh9pmmhrq8 4sfijsDG4801icPFdneCWCgRRRtshC/OaTb4B64JyraHANs24C+CIzguFyOnG31h il5tAvy5HY02hoF5hLN3H0kjrFcSg0WlkFO5pamZrd73F1DxbTJ+aByXeRdnjNZr bM2QpjW/10Xr/+3JJ1/RmLflZrsN6C3yQlgrDi2igB2r1y3oFBDK1AosxeRt/4ox bITWWQbnNQB5eipo6y/2xlqecPQpQWoFY1Wyt4IUaigkvj2fV8aNghPhcPR/jm8n rzo6nJDf9dX8eM3FbTsij+vB5/ppqnSHbRYQbZ80polyzi/2hqhxb/oKk5JEeBS2 AG+QJKvDmtXytIB4O9OuZAQFbFL5th0jWwp4Zeu/G8vW59Ygvq5ERP8ADVrsU/pz t+xbO5xAzsPj/y0AD2BS =xSox -----END PGP SIGNATURE----- --rjyi3vbtv2q6yu56--