GUD

From postmarketOS Wiki
Icon WARNING: Currently,Postmarket OS doesn't officially support them.

GUD USB Display Protocol is an open protocol for a USB GPU. It can be used for turning your device into a USB GPU.

Driver

DRM Driver

GUD DRM driver is the driver for usb gpu that use GUD USB Display Protocol. It is in the mainline. None of the postmarketOS kernels have the GUD DRM driver so it needs to be enabled in the kernel config (DRM_GUD) and compiled in.

USB Gadget Driver

GUD USB gadget driver is the driver for turning your device into a USB GPU via GUD USB Display Protocol. It's an out of tree kernel module.

See Also

GUD project

A demo of using redmi2 as usb gpu with Postmarket OS

GUD Wiki