On Mon, Mar 12, 2007 at 09:35:43AM -0400, Phillip Ezolt wrote: > So, if you compare the first and last column, you can see the equation is: > address in table = (bus_address & 0xc); > > I modified the gart code to allocate a table in RAM, and to write the > addresses as you see above. > Unfortunately, my cp STILL doesn't seem to work (I can't write to a scratch > register and read it back..). > > I'm gonna run my kernel module on my hacked radeon driver, so that I am sure > that what is written into the GART table matches the physical addresses of > the ring buffer. (ie, I am writing the commands where the card is reading > them.) > > That's for tonight. (I hope.)
Maybe it's something to do with the & -- you might be more successful with 'bus_address | 0xc'. ;) Cheers, Daniel
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