[PATCH] very rough cut at EXA support for trident blade (#3)

[Alan Hourihane]

Jesse,

Just let me know when you want to commit this lot, all looks good to me.

Alan.

On Mon, 2006-02-20 at 14:18 -0800, Jesse Barnes wrote:
> Ok, here's #3.  Fixed a few small bugs since the last one and looked at 
> doing efficient uploadtoscreen (ignore the stubbed out implementation 
> in this patch, it definitely won't work).  Seems like the Cyberblade 
> needs the CPU to load host->fb data through some registers, rather than 
> providing a nice host->fb blt command directly; I'll have to try it to 
> see if it's faster than the current direct fb memcpy that EXA does by 
> default.  (For certain types of data it might be possible to use the 
> texture upload unit present in this device, but I'm not sure yet.)
> 
> Review & comments appreciated.
> 
> Thanks,
> Jesse
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