2160p60 10-bit YCbCr 4:4:4 or RGB requires 22.28Gbps.
(3840+560) x (2160+90) x 60 (fps) x 30 (color depth) x 10/8 = 22.275Gbps
22.275Gb/s is more than is currently supported by HDMI 2.0, confirmed by wesk05 ( technical very expert , i reference for kodi forum. ) http://forum.kodi.tv/showthread.php?tid=265888&pid=2346989#pid2346989
end of the story , post must me closed.