lib/igt_kms: simplify pipe <-> name conversion

Now that we can use _Static_assert() due to C11, make it future proof so
we remember to update this if IGT_MAX_PIPES changes. Also reduce
verbosity a little bit by calculating indexes instead of if/else chain.

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
1 file changed