From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7632FC2B9F8 for ; Tue, 25 May 2021 13:34:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4FE7F61413 for ; Tue, 25 May 2021 13:34:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233287AbhEYNfg (ORCPT ); Tue, 25 May 2021 09:35:36 -0400 Received: from mx2.suse.de ([195.135.220.15]:49878 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233199AbhEYNfe (ORCPT ); Tue, 25 May 2021 09:35:34 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1621949644; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=Al/BsxlKGykIFfO72jHkW1BQ+PspU9PFmXalxOkwwRQ=; b=ebfvEddhJCSo2q6KHV2zndE1H/cO9GVMiD8H/BPa2UsOWV+/cRs2XVtXFEokyjCM9k2WHq RSCkAOzJpRuh0XrSAS3/7s8veRJ2+7hy1rsuNP0I8+K/9Y+u+Rmcr54E4/Gias2oAXBAMG jmYEnpWaErboK4mwJpxRDhtSiPTc3UA= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1621949644; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=Al/BsxlKGykIFfO72jHkW1BQ+PspU9PFmXalxOkwwRQ=; b=VlxOj/ncVvYJNKHKTRBMRv+WiDAJU6YkEzB0lWI7ah34aVEZrwFL950QFgk0aTwy3kFNhN 8MzhGja0pJS1f6Cw== Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 3C083AE34; Tue, 25 May 2021 13:34:04 +0000 (UTC) Subject: Re: [PATCH] drm/fb-helper: improve DRM fbdev emulation device names To: Javier Martinez Canillas , linux-kernel@vger.kernel.org, Peter Robinson , David Airlie , Maarten Lankhorst , Maxime Ripard , dri-devel@lists.freedesktop.org References: <20210521131910.3000689-1-javierm@redhat.com> <3a6f9235-5375-b2cb-2d63-a47c5f9752bb@suse.de> From: Thomas Zimmermann Message-ID: <4e81ab57-a240-952a-7423-22dc830bc62f@suse.de> Date: Tue, 25 May 2021 15:34:03 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="YZffmTAfrGNK6tGv0Qs6eeHA3zHiiR78q" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --YZffmTAfrGNK6tGv0Qs6eeHA3zHiiR78q Content-Type: multipart/mixed; boundary="2sr49Okxdr8WiAt4gLrP1RMJ9v46WfIHb"; protected-headers="v1" From: Thomas Zimmermann To: Javier Martinez Canillas , linux-kernel@vger.kernel.org, Peter Robinson , David Airlie , Maarten Lankhorst , Maxime Ripard , dri-devel@lists.freedesktop.org Message-ID: <4e81ab57-a240-952a-7423-22dc830bc62f@suse.de> Subject: Re: [PATCH] drm/fb-helper: improve DRM fbdev emulation device names References: <20210521131910.3000689-1-javierm@redhat.com> <3a6f9235-5375-b2cb-2d63-a47c5f9752bb@suse.de> In-Reply-To: --2sr49Okxdr8WiAt4gLrP1RMJ9v46WfIHb Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable Hi Am 25.05.21 um 15:08 schrieb Daniel Vetter: > On Fri, May 21, 2021 at 08:53:56PM +0200, Thomas Zimmermann wrote: >> Hi >> >> Am 21.05.21 um 19:18 schrieb Javier Martinez Canillas: >>> On 5/21/21 6:53 PM, Thomas Zimmermann wrote: >>> >>> [snip] >>> >>>>> >>>>> So what with all the drivers which do _not_ have drm in their name?=20 Also >>>>> I'm never sure how much these are uapi or not ... >>>> >>> >>> That someone could threat as an uapi is a fair point indeed. >>>> Why do we need a suffix anyway? >>>> >>> >>> Yes, I thought the same and was torn about posting a patch to just re= move >>> the suffix. I don't think users care that much if is a fb device from=20 a >>> fbdev driver or a DRM driver using the fbdev emulation. >> >> Yup. I don't see how anything in userspace would depend on the exact n= ame; >> especially since fbdev emulation only provides basic features. (I'd we= lcome >> a counter examples that proves me wrong.) >> >> IMHO we can risk it to remove the suffix entirely. But that needs an a= ck >> from Daniel or Dave. >=20 > If you guys with your distro hats on all think it doesn't matter, then > yeah I'm all for dropping the somewhat silly -drm or drmfb suffixes. I > think that was just way back so it's easier to know you've loaded the > right driver, back when there was both drm and native fbdev drivers > around. But now I think for new hw there's only drm, so should be all > fine. Suse doesn't use fbdev, except for some outliers; most notably hypervfb=20 and generic efifb/vesafb. Both are now being replaced with drm code.=20 From what I've seen, it's the same for other distros. And X11 checks=20 for the existence of device files anyway IIRC. Best regards Thomas > -Daniel >=20 --=20 Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 N=C3=BCrnberg, Germany (HRB 36809, AG N=C3=BCrnberg) Gesch=C3=A4ftsf=C3=BChrer: Felix Imend=C3=B6rffer --2sr49Okxdr8WiAt4gLrP1RMJ9v46WfIHb-- --YZffmTAfrGNK6tGv0Qs6eeHA3zHiiR78q Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature" -----BEGIN PGP SIGNATURE----- wsF5BAABCAAjFiEExndm/fpuMUdwYFFolh/E3EQov+AFAmCs/MsFAwAAAAAACgkQlh/E3EQov+C/ +A//dBmebEPakdS6NEwmDRoRk+JrwGEgBvlmuySX+dZiUMMN/tNnKOyyxRQQJ9WBGwLageC9+vWe fy1Q8CxztQWg7C8IMoHCVeGxcxQlU3GwO1ZNZkHACXtSiUokJKBxaG0E0in6eHvQ+oe8DGM5GpHG arsbMmUY4YziG/084sMSikddQjDD81ctDizcRvnWFTNCYOdvFpBD0nSEEzznRb+HVz6FRwivrRgT 3sx+2k035qgLli5xajAO+3YNZwD4zUNcFe/1X/pOVqODqIrz1+DwWYFmezXtffQ29H69WruFi9z1 lkxgUbxj/LO3aDzrTXuBWhRO1eh4ZGE56lK8WGezQcG52TokDgKxI8s0mojUNqHzykxduw5QI80J wO/dzy8GJaIq+AgQn9DGvusxICjK7KsWYVedS9a4kcUm5YMj9dLuDiWm7llO0aIq8jSnGp0f3I5T BG34LR5ImyLKZUI2qlC3hp8YHopnqWeDsBpjC+6wuM+VWHHZ1IA+dz1g7DaEIPAXUs8S/rfYKG10 R8R+aN0nnEYATYAf6cQwrYAKCcbEYFDq43w9IYbH2m5h4GIbA0QCQDcS9vBPpBB9unTI8XsF+VPF hoy+NpsKLw3OhLYUTb1rdG49HCSWuZaxNavVs4UrP00z2whdf1UL8Sv7Z2MI1sDDhyJM5n5GqOGe kCI= =AZYu -----END PGP SIGNATURE----- --YZffmTAfrGNK6tGv0Qs6eeHA3zHiiR78q--