Re: Re: Added 915G to intelfb of 2.6.10-kernel-sources

["Antonino A. Daplas" <adaplas@hotpop.com>]

On Saturday 29 January 2005 00:42, Sylvain Meyer wrote:
>         Hi Axel,
>
>     Thanks for your patch but could you format it as described in this
> document
> http://www.zip.com.au/~akpm/linux/patches/stuff/tpp.txt
>
> and resend it.
>
> The best is to use these tools to maintain and send kernel patches
> http://www.zip.com.au/~akpm/linux/patches/
>
> Also you should subscribe and send fbdev-related mails to
> linux-fbdev-devel@lists.sourceforge.net
>
> Regards
> Sylvain
>
> Buttchereit, Axel (XLsigned) a écrit:
> > Hi,
> >
> > though I'm quite sure that the attached patch (intelfb-...) is far
> > from complete
> > I think that someone/you (guessing from the comments that you are
> > maintaining
> > the code) might be interested in my work.

Can you resend the patch that touches only intelfb?  Also, there are a lot
of XLSigned with the printk's, what is that?

> >
> > Having no technical documentation (from Intel) I had to "develop" the
> > patch by
> > looking at the xfree/xorg-code that already supports I915G and by using
> > trial-and-error (My ThinkCentre's internal graphics device is an I915G
> > and that made me start working on this subject).
> >
> > During development and testing I've discovered that the way "intelfb"
> > and maybe
> > other framebuffer-drivers are using "modedb" does not work, if
> > compiled as a
> > module. The initial "modedb entries" are lost (overwritten?) when
> > "fb_find_mode"
> > is called from the module. Linking "intelfb" into the kernel works as

Because the modedb array is marked __init.  You can however pass
the vesa_modes array instead to fb_find_mode().
 
> > expected.
> >
> > ByTheWay: Why isn't the framebuffer module (intelfb) automatically
> > loaded, if
> > "video=intelfb:..." is specified as kernel-parameter?

If you want it loaded automatically, compile the driver statically. If you don't
want to load a compiled-in driver, use:

video=intelfb:off

Tony




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