On 08/07/2011 11:51 PM, Ben Widawsky wrote: > After copy buffer on preGEN6, it is necessary to wait for the blit to > complete before returning data to the user. > > This fixes the piglit test: copy_buffer_coherency. > > Signed-off-by: Ben Widawsky <ben at bwidawsk.net> Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>