[Q] Nexus 5 LCD broken topic

Fellas i just got my nexus 5 lcd broke after just a fall from 2 feet. depressed with its build quality
my screen got cracks however touch sensitivity is fine and phone is working well.

Please guide me do i need to change the whole panel (LCD panel+Touch digitizer) or do i need just the upper layer of screen. I dont know well about this, so please help...!!