https://bugs.freedesktop.org/show_bug.cgi?id=47201
Vic Lee llyzs@163.com changed:
What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |NOTABUG
--- Comment #2 from Vic Lee llyzs@163.com 2012-03-11 06:47:32 UTC --- OK I found the reference info in r600 instruction document and this is a hardware limitation. So this probably has to be solved in higher level rather than in driver.
Sorry for the noise.