xf86-video-ati: Branch 'master'

[Benjamin Herrenschmidt]

> > This breaks XVideo on my RV280.
> > Especially in tvtime the color channels seem to be shifted left/right by 5-10 
> > pixels. Looks like a bad analog video signal. At the right side there's a 
> > flickering "line" from top to the bottom.
> seems to be dependant on horizontal resolution. I could reproduce this
> with tvtime depending what horizontal input resolution was selected
> (need to check, but I'd guess that's what it will use as xv size). For
> me the flickering line was at the left, though (since the uv planes are
> shifted a mess at the right or left is bound to happen). Guess there is
> some rounding error somewhere when calculating the start pixel of the uv
> planes of the overlay...

Also are you sure you didn't break big endian ? :-)

Ben.