xf86-video-ati: Branch 'master'

[Roland Scheidegger]

Benjamin Herrenschmidt wrote:
>>> 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.
No I'm not... But I used only the existing upload functions, so if they
handled 1-byte formats right (looked to me like they should, though it's
obviously the first one to test) there shouldn't be a problem...

Care to test? :-)

Roland