Cache the PixelFormatInfo instead of looking it up in every call to
createBuffer(). This prepares for usage of the info in queueBuffer(), to
avoid a looking every time a buffer is queued.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Hirokazu Honda <hiroh@chromium.org>