xf86-video-modesetting: xf86-video-modesetting 0.9.0 (Xorg modesetting driver) 
xf86-video-modesetting:  
xf86-video-modesetting: This is a generic modesetting driver. It uses the KMS
xf86-video-modesetting: (Kernel Mode Setting) driver provided by the kernel to 
xf86-video-modesetting: manage the graphics hardware.
xf86-video-modesetting: 
xf86-video-modesetting: Only a handful of existing ARM SoCs provide KMS driver,
xf86-video-modesetting: so this probably not a driver for you (fbturbo may be
xf86-video-modesetting: a better choice). One benefit you get from this driver
xf86-video-modesetting: is the ability to change resolutions on the fly with
xf86-video-modesetting: xrandr.

