[R300 and other radeons] MergedFB lockups

[Vladimir Dergachev]

>>
>> Also, I have no idea why the code in radeon_cursor.c that writes images
>> directly into framebuffer memory works - according to the manual any
>> writes into framebuffer while GUI is active should cause a hard lock.
>>
>> However, I could not produce any lockups with it, and so left it as is.
>>
>
> Does using the overlay also cause a lockup?  there are some non-idled
> INREGs in there as well.  I've never had a problem with them on r100
> or r200 though.

Not anymore, I think I fixed all of those when importing GATOS code a 
while back.


                          best

                              Vladimir Dergachev

>
> Alex
>