I'm glad it worked for you. If you want to donate you should definitely donate to kholk as he wrote all the code for the DRS. All I did was compile the build, so no donation needed.
I'll build it after work today
EDIT: here you go, 7.1.1 for the G8142
https://drive.google.com/open?id=1FCTgoJbs7q446jpNX7eFS9IEd9m0mjEL
More on topic for build 8.1, I removed the configurations for 1080p and
[email protected] from the panels dtsi file which seems to set the display to 4k. I tried the same, only leaving the
[email protected] instead, but it doesn't really look 120hz to me (it does report that its at 120 hz, so maybe I'm just dumb ¯\_(ツ)_/¯). If you want to play around with that the file is in the kernel at arch/arm/boot/dts/qcom/dsi-panel-somc-synaptics-sharp-4k-cmd-ID6.dtsi