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=-8.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_NEOMUTT autolearn=ham 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 9CD0FC43381 for ; Sun, 31 Mar 2019 18:54:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 668522085A for ; Sun, 31 Mar 2019 18:54:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="eGFh8QCz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731408AbfCaSyd (ORCPT ); Sun, 31 Mar 2019 14:54:33 -0400 Received: from mail-wr1-f68.google.com ([209.85.221.68]:43121 "EHLO mail-wr1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731241AbfCaSyd (ORCPT ); Sun, 31 Mar 2019 14:54:33 -0400 Received: by mail-wr1-f68.google.com with SMTP id k17so8997273wrx.10; Sun, 31 Mar 2019 11:54:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=k4zmjLa5pUtNjh7nU6esv0bdB+m+QC6+6cV1rXq5tkc=; b=eGFh8QCzBzeTwbhqC+Yc+HUjmbmauTvV/XPzqluXJAjjqSemvuBtC1gQJjmm9IhfuN BDo+mSio7+5Mxg2lCsaLxCHPPYAd9u2wqArT1GC9jh+HPgxFjzq9QD/Be5Vw7ck1h3uq JWoRBgZw/4HZm9R+qbgiC27x24yWjoAi+DPVp2xNiEKrrG8niskuct8hQDtPlYwZxEji cQ3zr4kghtbcpNoeUzpGt2I2YvxAzobEuNiEk5btAhqcUxViNJhqBy5X8EpZvXirKPCH zkGQ5BeVTDMjsiXFnzZHpScVtOuCo+0uldvw8KFZG9ImIdvyCY3gGbF1XbmrnqSk/9+R l3vA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=k4zmjLa5pUtNjh7nU6esv0bdB+m+QC6+6cV1rXq5tkc=; b=rgm/QZa4Kl4iPjCxmuRkuwpOwcEM0v/c1kKppKkMxUG/yab/wKolOKWyPCpmc2i/sf JlGF62Zoz9DsHGn8YnzLsiwaFA8gQdHDGP0c4RL2Rv0rJrvCcoO9BjVsz9v1AR6C++3W uB6rmq+XVFGieTBBfXGD6+pkFCWK69Rs02koVMhqui4fscfVUOVITSyAKFRPkh8NOsUZ 6y9wgNzLOx8RmMR+Z9GCyjCwWryrEEdwbUWWGt2xiKTMRNcV6Fkx5QENpILPv83bk946 CHS5v4VVzmm5Bf19saZzVG+P4qOBbjLmwJ3hPZnFaZnckqt/gJYvcswYwBUxiuwGLy62 XfTg== X-Gm-Message-State: APjAAAVWjUklmjb3uutQcIz7sF+ZIhwVKJzz5DLJz5FaFx2ZlrMbAN2U r+vgHZpyYVrVMJNuTZTxTOldeokhIlY= X-Google-Smtp-Source: APXvYqz3/HF3hVfgLz1n+pTUyunsMelCLRz4C+auXNUpVOarkN8ckRpd3AMkrVHxe0EIzSpBoqYiVg== X-Received: by 2002:adf:dc8e:: with SMTP id r14mr39423000wrj.118.1554058471368; Sun, 31 Mar 2019 11:54:31 -0700 (PDT) Received: from debian (cpc101300-bagu16-2-0-cust362.1-3.cable.virginm.net. [86.21.41.107]) by smtp.gmail.com with ESMTPSA id x14sm8757924wmj.3.2019.03.31.11.54.30 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sun, 31 Mar 2019 11:54:30 -0700 (PDT) Date: Sun, 31 Mar 2019 19:54:28 +0100 From: Sudip Mukherjee To: Yifeng Li Cc: Teddy Wang , linux-kernel@vger.kernel.org, Bartlomiej Zolnierkiewicz , linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: Re: [PATCH v2 5/7] Documentation: fb: sm712fb: add information mainly about 2D. Message-ID: <20190331185428.mpqbaq32cmm7izfv@debian> References: <20190322051759.15007-1-tomli@tomli.me> <20190322051759.15007-6-tomli@tomli.me> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190322051759.15007-6-tomli@tomli.me> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Mar 22, 2019 at 01:17:57PM +0800, Yifeng Li wrote: > This commits add information about 32-bit color, 2D acceleration, > as well as adding additional, general information about the hardware > and many existing problems of the sm712fb driver. > > Signed-off-by: Yifeng Li > --- > Documentation/fb/sm712fb.txt | 123 +++++++++++++++++++++++++++++++---- > 1 file changed, 110 insertions(+), 13 deletions(-) > > diff --git a/Documentation/fb/sm712fb.txt b/Documentation/fb/sm712fb.txt > index c388442edf51..906b48aa40e4 100644 > --- a/Documentation/fb/sm712fb.txt > +++ b/Documentation/fb/sm712fb.txt > @@ -1,31 +1,128 @@ > What is sm712fb? > ================= > > -This is a graphics framebuffer driver for Silicon Motion SM712 based processors. > +"sm712fb" is a graphics framebuffer driver for Silicon Motion SM710 (LynxEM), > +SM712 (LynxEM+), and SM720 (Lynx3DM, Lynx3DM+, aka. LynxEM4+) series of > +video controllers. This series of video controller is a legacy from ~1998, > +and was used on many classic, "prehistoric" laptops from 1998-2004, such as > +IBM Thinkpad S30 and 240X. It was also used on some servers, industrial > +computers, x86 and non-x86 embedded devices where only basic graphics was > +needed. I think this is wrong. Loongson 3A Notebook was released around 2011-2012 and had SM712. > + > +Notably, Lemote YeeLoong 8089, a MIPS laptop based on the Chinese Loongson > + * More VGA modes. > * dual-head support > + * hardware cursor support > + > +The first feature is planned to be implemented soon, but the maintainer > +does not receive any monetary or hardware support from any company or OEMs, > +and he has to purchase a test platform personally. The 1998's hardware > +still costs 200 USD+, so don't expected an ETA. If you have a Big-Endian > +platform and willing to help testing, please contact the maintainer, thanks! I am not sure why will you want to mention about monetary or hardware support. Maintainers are supposed to work voluntarily. > + > +Other VGA modes, dual-head, or hardware cursor support should be possible to > +implement, but parts of the code must be rewritten, and there's little demand > +for them on this legacy (retro?) platform, so there's no plan to implement them. > +If you have a genuine need for them, please contact the maintainers. If there is any need for new features then I think the plan should be to make a drm driver. > + > +Maintainers > +================ > + > +This driver is maintained by > + > + * Tom Li ?? I didn't know this. MAINTAINERS file doesnot say so. > + * Sudip Mukherjee > + * Teddy Wang > + > +Tom Li was the last contributor of this driver who implemented 2D acceleration, > +and is the main author of this documentation, please send any bug reports or > +requests to Tom, but don't forget to CC other maintainers as well to make everyone > +be informed. There is a MAINTAINERS file to list the maintainers. There is no need to add that in documentation. -- Regards Sudip