Driver status update : Radeon HD | Haiku Project

Any progress on this driver?
I saw that my modell was missing: (driver.cpp (RadeonHD))
RADEON_RV730, HD 4670

Could this be added easy?

There seem to be a more complete list here:
https://chromium.googlesource.com/chromiumos/third_party/drm/+/cf7cc62a9817a495264bbb037f0175cef9bd7a53/radeon/r600_pci_ids.h