This is the only place they're actually used (well, aside from some XAA
code in the s3 driver, but one s3 and 2 XAA).
Reviewed-by: Julien Cristau <jcristau@debian.org>
Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Keith Packard <keithp@keithp.com>