Initial Support For AMD's Next-Gen, Multi-XCC CDNA Accelerator Starting With Linux 6.4

As I pointed out at the end of March, AMD has begun bringing up a new CDNA GPU in their Linux kernel driver code, past the currently known Instinct MI300 "GFX940" series. This "GFX943" part is some new CDNA multi-XCC accelerator and the open-source AMD engineers have begun posting many patches for this new GPU target. The initial bits of that support will appear in the upcoming Linux 6.4 cycle...