Re: radeonfb on pegasos powerpc motherboard and X endianess problem

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

> A, ok, but then, i think i will not worry about this, and simply port
> the pegasos changes to the latest benh kernel (or maybe i can simply
> replace the radeonfb.c file ? Mmm, i will try it). By recent benh
> kernel, you mean the one from the linuxppc_2_4_devel tree or the one from the
> linuxppc_2_4 tree ? Or maybe both are the same.

From the linuxppc_2_4_benh tree :)

> > >   3) When running X without the UseFBDev option, the colors are good,
> > >   but i get garbage when i return to the console. Not exactly garbage,
> > >   at first it is ok, but when i enter a line or somehow pan the screen,
> > >   the corruption start. Doing a vt switch and back redraws a clean
> > >   screen.
> > 
> > Sounds like the radeon driver doesn't restore the framebuffer aperture
> > byte swapping correctly.
> 
> Yep. same solution as above i guess.

The "fuzzyness" on scroll (basically clear operation not behaving
correctly) is an engine setup problem, not an endian problem.

> Sound is also messed up, i guess it is also an endianess issue, but most
> probably due to endianess issue in the VT82Cxx driver, and no other
> powerpc box should use this, i think.

Probably ;)



-------------------------------------------------------
This SF.net email is sponsored by:  Etnus, makers of TotalView, The best
thread debugger on the planet. Designed with thread debugging features
you've never dreamed of, try TotalView 6 free at www.etnus.com.