Re: Re:No backlight control on PowerBook G4

[Benjamin Herrenschmidt <benh@kernel.crashing.org>]

On Sun, 2003-11-09 at 20:55, Daniel Egger wrote:
> Am Son, den 09.11.2003 schrieb Benjamin Herrenschmidt um 03:59:
> 
> > > Still cannot try this because your kernel wouldn't even survive yaboot.
> 
> > Can you give details ? It should work just fine, except if I broke
> > something in the past few days when getting G5 support in, but I didn't
> > have any other report of this, so...
> 
> The report on the chrp image is all I have right now because every other
> image will result in a hang right after downloading the kernel via tftp.
> 
> Which of the two radeon drivers should I use anyway?

The new one.

> > Well, you are not supposed to use the zImage.chrp on a PowerMac,
> > and definitely not from yaboot.
> 
> With the Linus kernel it's the only one that works.
> 
> > Last I tried, then just netbooting vmlinux.elf-pmac worked fine
> > on all the "newworld" models I have here). For yaboot, you need
> > to load a plain vmlinux binary.
> 
> Yes, but the image is too big for yaboot. I'll have to patch it first.

It's fairly simple to "fix" yaboot to handle >4Mb images actually,
just change the size in of_fs.c

Ben.