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Re: [Gnewsense-dev] Re: gNewSense-MIPS and SiliconMotion video driver

From: Sam Geeraerts
Subject: Re: [Gnewsense-dev] Re: gNewSense-MIPS and SiliconMotion video driver
Date: Thu, 04 Mar 2010 22:27:42 +0100
User-agent: Thunderbird (X11/20090824)

(It seems this one got lost in the lists filters.)

From: Teddy Wang <address@hidden>
Hi, yanhua,

 Now the Siliconmotion driver in freedesktop port can support higher X
server. It can support SM712 and SM502. You can refer to

Best Regards,
Teddy Wang 王力强
Silicon Motion, Inc. (China)
Tel: 86 21 65107780 ext.7162
Mobile: 86 13817794114
发件人: yanhua [mailto:address@hidden
发送时间: 2010年3月4日 17:30
收件人: Daniel Clark; Teddy Wang; chenj; 崔春波
抄送: address@hidden; Bernie Innocenti; zhangfx
主题: Re: [Gnewsense-dev] Re: gNewSense-MIPS and SiliconMotion video driver

We only test yeeloong siliconmotion driver for sm712 in x server 1.4.2.
some work is  needed to  make higher x server work properly.

High Teddy:
     We need to port siliconmotion  x driver to higher x server, the
best is the newest x server.  Could you please help to do this work?

Daniel Clark 写道:
> > On 02/28/2010 11:24 PM, Octavio Rossell wrote:
>> >> We need to recompile the Silicon Motion Driver into the gNewSense Lemote >> >> Yeelong. There is an existing effort in this [1] but the package appears
>> >> to crash or to not work properly in some reeboot situation.
> >
> > There are actually several projects / hacks to get X working better in
> > various ways on the yeeloong. I believe all of them suffer from
> > various problems, and most are dead ends (code that would never be
> > accepted against upstream and/or against really old versions of X).
> >
> > Bernie has a pretty comprehensive overview of the situation as it was
> > a month or two ago posted somewhere; I'll try to gather all the
> > mailing list posts about and put summaries/references to them on a
> > wiki page somewhere if you tell me you would find that to be useful.
> >
> > The most recent effort I've seen has code (patch file) and discussion
> > here:
> >
> >
> >
> >
> > Or here if that URL is broken:
> >
> >
> >
>> >> Any help, advice or information will be helpful.
> >
> > Advice:
> >
> > (a) Check mailing list archives, monitor and keep up to date at least
> > this mailing list, loongson-dev, #gnewsense-dev irc. Email
> > address@hidden and ask for access to address@hidden and its archives.
> >
> > (b) Get on the proper xorg lists / channels.
> >
> > (c) If you don't have commit access to xorg version control, be sure
> > to form a relationship with someone who does, and is willing to help
> > you get your changes in. Ditto for the upstream Debian packages,
> > unless you have resources to maintain seperate gNS-specific packages
> > until the end of time, and kk is cool with that.
> >
> > (d) Make sure any development happens in a publicly available version
> > control repository. Tell at least this list and loongson-dev where
> > that is once anything at all useful is there.
> >
> > (e) Keep in mind that the goal is to be included in upstream xorg;
> > avoid quick hacks that will never be accepted upstream.
> >
> > (f) If the people working on this on your end are not good at English,
> > see if you can get someone who is to translate the available doc /
> > list threads to them and vice versa.
> >
> > (g) You may also want to follow Zhang Le's Gentoo work, it seems to be
> > the most advanced loongson2f-optimized GNU/Linux distribution at the
> > moment (i.e. it's actually all compiled with proper mipsel abi,
> > loongson2f optimization, loongson2f bug workarounds). Also
> > collaborating with people working on OpenBSD/Loongson may be useful;
> > we may disagree politically at times, but we use the same upstream
> > xorg code.
> >
> > (h) You are probably more likely to get technical help regarding the
> > work on loongson-dev or xorg lists.
> >
> > (i) Some low level info on the SM hardware is at
> >
> >
> > (j) If you need to speed up compiles bug me on #gnewsense-dev - I'm
> > close to having an icecc setup done, and should have 10 more 2f boxes
> > to add to the existing 4 in the farm Monday.
> >
> > Happy Hacking,

-- 晏华

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