Not all PIPE_CONTROLs have a length of 2, so remove it from the #define
and make each invocation specify the desired length.
Signed-off-by: NKenneth Graunke <kenneth@whitecape.org>
[danvet: implement style suggestion from Ben Widawsdy]
Signed-Off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: NKeith Packard <keithp@keithp.com>