Apple M9179LL/A 30" Widescreen LCD with rv280

[Vladimir Dergachev]

>
>> Also note you will get trouble with 3d, since the radeon driver can
>> only handle 2048x2048 resolution.
>
> Wow, this I didn't know; it should be noted on the wiki. I absolutely
> need to run 3d. You mean the radeon dri driver won't support
> widescreen modes?. How will this appear though?. Will I get black
> borders or will it not display at all?. Does the radeon framebuffer
> device have such a problem too?. I wonder how the bios would
> initialize this card when I power up the computer.
>

It appears as only the square 0-2047x0-2047 can be rendered into, if a 
window moves out of it the part that is outside will not get any 
rendering.

AFAIK, Mesa CVS has just received a patch to enable tiling support which
cures this problem, so you might want to try newer drivers.

                   best

                      Vladimir Dergachev