Silicon Motion chip on amd64

[Free Ekanayaka]

|--==> Alex Deucher writes:

  AD> that should do it.  Do you have a log from the failed X start with
  AD> siliconmotion?
  >>
  >>Here it is:
  >>
  >>http://people.64studio.com/~free/Xorg.0.log.siliconmotion
  >>
  >>in this case X  does not crash, but it   doesn't correctly start:  the
  >>screen  is completely black  (not   even the  mouse  pointer) and  the
  >>process sucks the 70-90% of the CPU.
  >>

  AD> The engine doesn't seem to want to idle so it's continually resetting
  AD> itself waiting for an idle state.  I'm not sure why off hand.  Can you
  AD> try commenting out the call to WaitIdle() in SMI_WriteMode()?

Sorry   for the possibly naive   question, but where   do I find these
calls? Right in the Xorg source code? If so,  do I have to comment all
occurrences of them?

Ciao,

Free