On Thu, 2002-05-30 at 15:37, Keith Whitwell wrote: > Michel Dänzer 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 only > >>places where we potentially do it directly are where we issue RADEON_WRITE's > >>-- I don't think we have to check just to add stuff to the ring. > >> > > > > 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.
But does that go through the FIFO? Would kind of defeat the purpose of the ring... -- Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer XFree86 and DRI project member / CS student, Free Software enthusiast _______________________________________________________________ Don't miss the 2002 Sprint PCS Application Developer's Conference August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel