drm: Add drm_format_num_planes() utility function
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Wed, 14 Dec 2011 22:11:54 +0000 (00:11 +0200)
committerMarkus Lehtonen <markus.lehtonen@linux.intel.com>
Tue, 3 Jul 2012 09:29:00 +0000 (12:29 +0300)
commit406378b67edcd1bbe0b185bf73f649866fc0079e
tree834dedf6a0cfd2ba498527db77c266a8bd5080b3
parent05a14e61ad710e832ab1704886e5e0718f66cca8
drm: Add drm_format_num_planes() utility function

This function returns the number of planes used by a specific pixel
format.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Pauli Nieminen <pauli.nieminen@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
drivers/gpu/drm/drm_crtc_helper.c
include/drm/drm_crtc_helper.h