From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752461AbaLDIKR (ORCPT ); Thu, 4 Dec 2014 03:10:17 -0500 Received: from bear.ext.ti.com ([192.94.94.41]:52760 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751110AbaLDIKP (ORCPT ); Thu, 4 Dec 2014 03:10:15 -0500 Message-ID: <548016D9.6030006@ti.com> Date: Thu, 4 Dec 2014 10:10:01 +0200 From: Tomi Valkeinen User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 MIME-Version: 1.0 To: "Li.Xiubo@freescale.com" , Arnd Bergmann CC: "plagnioj@jcrosoft.com" , "linux-fbdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "shawn.guo@linaro.org" , "alexander.stein@systec-electronic.com" Subject: Re: [PATCHv2 0/4] LS1021A: Add dcfb framebuffer driver support. References: <1417598162-40433-1-git-send-email-Li.Xiubo@freescale.com> <4810522.t9QFQYHtHI@wuerfel> In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="8tqXasC1lCUUku3032PcGN7ldMDEfv754" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --8tqXasC1lCUUku3032PcGN7ldMDEfv754 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Hi Xiubo, On 04/12/14 03:56, Li.Xiubo@freescale.com wrote: > Hi Arnd, >=20 > Thanks for you advice. >=20 > Because this is very emergency for customers and have delayed for month= es, and the > DRM/KMS will have a little long time to be supported. So I'd like to ad= d this first > and will add DRM/KMS version later. I would also suggest to just write a drm driver for this. I don't see anything special in this driver that would be better supported via fbdev. With drm you'll get a more modern framework, and you will still have the same /dev/fbX device to use for legacy userspace software. What do you mean with "delayed for months"? The first version of this series (that I can find) was posted less than two weeks ago. Tomi --8tqXasC1lCUUku3032PcGN7ldMDEfv754 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJUgBbZAAoJEPo9qoy8lh71sbkP/iLJXw/btKoio5T4ORqPfN9K PigiPBO3GcCRKnSI6rKKtqLypjoepjYEojtmaEqyFSXTsb7OJJIJKhZG2uWCfPfs os8rl3eVraSqu8uNX/U75WohEdbnFeCzwwUoNJ6IrArz3XcjAPD88JeOZ2qQg1ss Q7LuaWK+J/ZNl6PELVXJpE7jWi9yx/emCHRn7EzxiKGdGRpJ6u1E0jdiIIz73Y68 b4cOkt4FBMOsJb8Ynznj+UL6000y/4QfBtaocwOhlI60MDMXdTzCDQmVG4rkkauZ hpBDROVzgzyA1BQfgXAhlydMW892CsZQMA/3RZfPUL2Y5YQuZDzodmDbHxHRJjj6 btUp2dThsBdGcfdlFqsfohiYuC8DniKnoRh7DXzokKHznf1Jjzy1bojQLDvUNy6U CccZdEcjRphuibFRJjBQFQ2q2g0zpsqfRJjG4rVtTV+rMtxnSJDI5E5A2DxkB07F Jl18ybn6YJLQ6L+v7/NIolIcLdcfIS92rq8JCCpw/kqAjoREVi+QihjAk6xCelZR EhXeOKsNz4PgBWF/iH5ytMSoJpGdADnYGAnS7C3FNnMubeJm2s7IC5h/NhT1+3Ty CiEoxmuhI60GG7tlDbU0LWQmdiJV7uH+xonBsL39Y2w3WfRu4wbcxA9GQiNvRPJq 7D63nwTdAYNoI3sxs4BH =7VB1 -----END PGP SIGNATURE----- --8tqXasC1lCUUku3032PcGN7ldMDEfv754-- From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomi Valkeinen Date: Thu, 04 Dec 2014 08:10:01 +0000 Subject: Re: [PATCHv2 0/4] LS1021A: Add dcfb framebuffer driver support. Message-Id: <548016D9.6030006@ti.com> MIME-Version: 1 Content-Type: multipart/mixed; boundary="8tqXasC1lCUUku3032PcGN7ldMDEfv754" List-Id: References: <1417598162-40433-1-git-send-email-Li.Xiubo@freescale.com> <4810522.t9QFQYHtHI@wuerfel> In-Reply-To: To: "Li.Xiubo@freescale.com" , Arnd Bergmann Cc: "plagnioj@jcrosoft.com" , "linux-fbdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "shawn.guo@linaro.org" , "alexander.stein@systec-electronic.com" --8tqXasC1lCUUku3032PcGN7ldMDEfv754 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Hi Xiubo, On 04/12/14 03:56, Li.Xiubo@freescale.com wrote: > Hi Arnd, >=20 > Thanks for you advice. >=20 > Because this is very emergency for customers and have delayed for month= es, and the > DRM/KMS will have a little long time to be supported. So I'd like to ad= d this first > and will add DRM/KMS version later. I would also suggest to just write a drm driver for this. I don't see anything special in this driver that would be better supported via fbdev. With drm you'll get a more modern framework, and you will still have the same /dev/fbX device to use for legacy userspace software. What do you mean with "delayed for months"? The first version of this series (that I can find) was posted less than two weeks ago. Tomi --8tqXasC1lCUUku3032PcGN7ldMDEfv754 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJUgBbZAAoJEPo9qoy8lh71sbkP/iLJXw/btKoio5T4ORqPfN9K PigiPBO3GcCRKnSI6rKKtqLypjoepjYEojtmaEqyFSXTsb7OJJIJKhZG2uWCfPfs os8rl3eVraSqu8uNX/U75WohEdbnFeCzwwUoNJ6IrArz3XcjAPD88JeOZ2qQg1ss Q7LuaWK+J/ZNl6PELVXJpE7jWi9yx/emCHRn7EzxiKGdGRpJ6u1E0jdiIIz73Y68 b4cOkt4FBMOsJb8Ynznj+UL6000y/4QfBtaocwOhlI60MDMXdTzCDQmVG4rkkauZ hpBDROVzgzyA1BQfgXAhlydMW892CsZQMA/3RZfPUL2Y5YQuZDzodmDbHxHRJjj6 btUp2dThsBdGcfdlFqsfohiYuC8DniKnoRh7DXzokKHznf1Jjzy1bojQLDvUNy6U CccZdEcjRphuibFRJjBQFQ2q2g0zpsqfRJjG4rVtTV+rMtxnSJDI5E5A2DxkB07F Jl18ybn6YJLQ6L+v7/NIolIcLdcfIS92rq8JCCpw/kqAjoREVi+QihjAk6xCelZR EhXeOKsNz4PgBWF/iH5ytMSoJpGdADnYGAnS7C3FNnMubeJm2s7IC5h/NhT1+3Ty CiEoxmuhI60GG7tlDbU0LWQmdiJV7uH+xonBsL39Y2w3WfRu4wbcxA9GQiNvRPJq 7D63nwTdAYNoI3sxs4BH =7VB1 -----END PGP SIGNATURE----- --8tqXasC1lCUUku3032PcGN7ldMDEfv754--