Generally, don't touch anything with mediatek or allwinner if you want it to work at the end of the day. Their driver support is very bad. Funny personal story, I turned down a contract almost four years ago that would have involved getting 3D running on an Allwinner based board. Four years later and CHIP is demoing an "Alpha" of 3D on Allwinner.

Meanwhile even hardware accelerated 3D and video decoding works on the Broadcom SoCs in the Pi, and has for years.

Mediatek and Allwinner are cheap, but useless.