Use DRM_RECT_FMT & co. to simpify the code.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191129185434.25549-2-ville.syrjala@linux.intel.comReviewed-by: Ramalingam C <ramalingam.c@intel.com>