From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomi Valkeinen Date: Fri, 25 Sep 2015 13:09:46 +0000 Subject: Re: No more new fbdev drivers, please Message-Id: <5605479A.2020903@ti.com> MIME-Version: 1 Content-Type: multipart/mixed; boundary="89ICnEldGUdMNpSivaiw58Ume9O67G8sB" List-Id: References: <560524E7.4020707@gmail.com> In-Reply-To: <560524E7.4020707@gmail.com> To: Kamil Lulko , Daniel Vetter Cc: linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org --89ICnEldGUdMNpSivaiw58Ume9O67G8sB Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 25/09/15 13:41, Kamil Lulko wrote: > Hi, >=20 >> fbdev is (more or less) maintained, but it's a deprecated framework. A= ll >> new Linux display drivers should be done on DRM. >=20 > What about no-mmu platforms? DRM has a big fat MMU dependency in the > kconfig, is there a way to write DRM driver for such devices? I guess not. Then again, I don't see why DRM would have a hard dependency to MMU, if the work is done to make DRM work optionally without MMU. How much work that is, I have no idea. Tom --89ICnEldGUdMNpSivaiw58Ume9O67G8sB Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJWBUeaAAoJEPo9qoy8lh71zKMP/0blbnwo2dtvCVnHugfGxO7Z n/XhJivWll/dinwq8Nfz1UhrqFAcAGLaWpQE+fuhWtUwLz/g9IX0nq5GgHYdni4l NXuNfw6UU9UblO0NxRUm1s7AesMOulLBDpo67L+O4ifidov+tHe6a2eC++ZvLe1k SSnuysNx3gdv9Z32pP9iUB1EwfKrbqv+mDdBrJsvu+jnX797nCqhtGgT/AUvu+oH m2rrWR4IdMTJfJAftrGGHtV5DaJlhXdMnMyMkMAnh7WxTGkrAIhbYdZvZ/MJ0lMr oLXCKbZOv9P2xsvPvrA/Zv6701lX4cH+MHqUqvInykyvDcKOdAIp5yvspby1NW/v FD40UnwPbsVtA/QSC1g4u79o90qdZS8FCC+dZ8tU7tawatT08bO4MgFhosUmPQ1G XVFeP7GkIKohTLTKApPj6vLF998ZDdVV6NsiAJ1zdlHs32xVgMx/A5qq6cRCJN84 7mye/Ax8gnqmab/y2QXWcnlD3+6dGSc6Nxf9pi8Nh4kF9DzMkkcZy3RCHl/Zv5r7 Z0dg691bRpA1q3CdroyPfBOmO2Pk72a4HslMU5P9MbFNB7YTcQ7mAIxCOz7xYtV8 sZgUMA/53Qclj7uVMhjqLr5IUmf9dHT6yKwT0meovwX1Tz70GEwVX37aYi8TC3NT +KGGn1wsrY4VfGtsYiQf =FNQX -----END PGP SIGNATURE----- --89ICnEldGUdMNpSivaiw58Ume9O67G8sB-- From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomi Valkeinen Subject: Re: No more new fbdev drivers, please Date: Fri, 25 Sep 2015 16:09:46 +0300 Message-ID: <5605479A.2020903@ti.com> References: <560524E7.4020707@gmail.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0395565496==" Return-path: Received: from comal.ext.ti.com (comal.ext.ti.com [198.47.26.152]) by gabe.freedesktop.org (Postfix) with ESMTPS id 03D0E6F0E9 for ; Fri, 25 Sep 2015 06:09:50 -0700 (PDT) In-Reply-To: <560524E7.4020707@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Kamil Lulko , Daniel Vetter Cc: linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============0395565496== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="89ICnEldGUdMNpSivaiw58Ume9O67G8sB" --89ICnEldGUdMNpSivaiw58Ume9O67G8sB Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 25/09/15 13:41, Kamil Lulko wrote: > Hi, >=20 >> fbdev is (more or less) maintained, but it's a deprecated framework. A= ll >> new Linux display drivers should be done on DRM. >=20 > What about no-mmu platforms? DRM has a big fat MMU dependency in the > kconfig, is there a way to write DRM driver for such devices? I guess not. Then again, I don't see why DRM would have a hard dependency to MMU, if the work is done to make DRM work optionally without MMU. How much work that is, I have no idea. Tom --89ICnEldGUdMNpSivaiw58Ume9O67G8sB Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJWBUeaAAoJEPo9qoy8lh71zKMP/0blbnwo2dtvCVnHugfGxO7Z n/XhJivWll/dinwq8Nfz1UhrqFAcAGLaWpQE+fuhWtUwLz/g9IX0nq5GgHYdni4l NXuNfw6UU9UblO0NxRUm1s7AesMOulLBDpo67L+O4ifidov+tHe6a2eC++ZvLe1k SSnuysNx3gdv9Z32pP9iUB1EwfKrbqv+mDdBrJsvu+jnX797nCqhtGgT/AUvu+oH m2rrWR4IdMTJfJAftrGGHtV5DaJlhXdMnMyMkMAnh7WxTGkrAIhbYdZvZ/MJ0lMr oLXCKbZOv9P2xsvPvrA/Zv6701lX4cH+MHqUqvInykyvDcKOdAIp5yvspby1NW/v FD40UnwPbsVtA/QSC1g4u79o90qdZS8FCC+dZ8tU7tawatT08bO4MgFhosUmPQ1G XVFeP7GkIKohTLTKApPj6vLF998ZDdVV6NsiAJ1zdlHs32xVgMx/A5qq6cRCJN84 7mye/Ax8gnqmab/y2QXWcnlD3+6dGSc6Nxf9pi8Nh4kF9DzMkkcZy3RCHl/Zv5r7 Z0dg691bRpA1q3CdroyPfBOmO2Pk72a4HslMU5P9MbFNB7YTcQ7mAIxCOz7xYtV8 sZgUMA/53Qclj7uVMhjqLr5IUmf9dHT6yKwT0meovwX1Tz70GEwVX37aYi8TC3NT +KGGn1wsrY4VfGtsYiQf =FNQX -----END PGP SIGNATURE----- --89ICnEldGUdMNpSivaiw58Ume9O67G8sB-- --===============0395565496== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVs IG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0 cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK --===============0395565496==-- From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756300AbbIYNJx (ORCPT ); Fri, 25 Sep 2015 09:09:53 -0400 Received: from comal.ext.ti.com ([198.47.26.152]:49238 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756197AbbIYNJv (ORCPT ); Fri, 25 Sep 2015 09:09:51 -0400 Subject: Re: No more new fbdev drivers, please To: Kamil Lulko , Daniel Vetter References: <560524E7.4020707@gmail.com> CC: , , From: Tomi Valkeinen Message-ID: <5605479A.2020903@ti.com> Date: Fri, 25 Sep 2015 16:09:46 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: <560524E7.4020707@gmail.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="89ICnEldGUdMNpSivaiw58Ume9O67G8sB" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --89ICnEldGUdMNpSivaiw58Ume9O67G8sB Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 25/09/15 13:41, Kamil Lulko wrote: > Hi, >=20 >> fbdev is (more or less) maintained, but it's a deprecated framework. A= ll >> new Linux display drivers should be done on DRM. >=20 > What about no-mmu platforms? DRM has a big fat MMU dependency in the > kconfig, is there a way to write DRM driver for such devices? I guess not. Then again, I don't see why DRM would have a hard dependency to MMU, if the work is done to make DRM work optionally without MMU. How much work that is, I have no idea. Tom --89ICnEldGUdMNpSivaiw58Ume9O67G8sB Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJWBUeaAAoJEPo9qoy8lh71zKMP/0blbnwo2dtvCVnHugfGxO7Z n/XhJivWll/dinwq8Nfz1UhrqFAcAGLaWpQE+fuhWtUwLz/g9IX0nq5GgHYdni4l NXuNfw6UU9UblO0NxRUm1s7AesMOulLBDpo67L+O4ifidov+tHe6a2eC++ZvLe1k SSnuysNx3gdv9Z32pP9iUB1EwfKrbqv+mDdBrJsvu+jnX797nCqhtGgT/AUvu+oH m2rrWR4IdMTJfJAftrGGHtV5DaJlhXdMnMyMkMAnh7WxTGkrAIhbYdZvZ/MJ0lMr oLXCKbZOv9P2xsvPvrA/Zv6701lX4cH+MHqUqvInykyvDcKOdAIp5yvspby1NW/v FD40UnwPbsVtA/QSC1g4u79o90qdZS8FCC+dZ8tU7tawatT08bO4MgFhosUmPQ1G XVFeP7GkIKohTLTKApPj6vLF998ZDdVV6NsiAJ1zdlHs32xVgMx/A5qq6cRCJN84 7mye/Ax8gnqmab/y2QXWcnlD3+6dGSc6Nxf9pi8Nh4kF9DzMkkcZy3RCHl/Zv5r7 Z0dg691bRpA1q3CdroyPfBOmO2Pk72a4HslMU5P9MbFNB7YTcQ7mAIxCOz7xYtV8 sZgUMA/53Qclj7uVMhjqLr5IUmf9dHT6yKwT0meovwX1Tz70GEwVX37aYi8TC3NT +KGGn1wsrY4VfGtsYiQf =FNQX -----END PGP SIGNATURE----- --89ICnEldGUdMNpSivaiw58Ume9O67G8sB--