[igt-dev] [PATCH i-g-t 2/2] lib/igt_matrix: Fix up some docs

[Chris Wilson]

Quoting Ville Syrjala (2019-03-07 21:42:16)
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Add some missing documentation.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris