From: Keith W. <ke...@tu...> - 2002-05-30 13:37:27
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Michel D=E4nzer wrote: >>>Right, but do we check if there is room before feeding the FIFO >>>directly? >>> >>No, not from the kernel module. I think this has to change. But the o= nly=20 >>places where we potentially do it directly are where we issue RADEON_WR= ITE's=20 >>-- I don't think we have to check just to add stuff to the ring. >> >=20 > Agreed. Are there direct register writes while the CP is running? If > yes, are they necessary? (I'm at work and don't have time to check > myself right now, sorry) The main one is to update the ring tail pointer. I haven't searched for=20 others yet. Keith |