This allows using P2P on 4090 GPUs with the 570.153.02 driver version. See https://github.com/tinygrad/open-gpu-kernel-modules for more info.
There is an issue on older kernel versions (e.g. 6.8) where messages like the following may flood the kernel logs: [drm] *ERROR* ivpu_ipc_send_receive_internal(): IPC receive failed: type ...