Linux "amdgpu" open source driver consists of the following kernel and user space components that support Merlin Falcon SOC. The components can be directly downloaded from below links:
Note: Open source development is an ongoing process and code gets updated in a continual manner.
Please visit the
AMD Embedded Developer site to download pre-built installable binaries specific to below OSs (which is based on a latest version of above components taken at the time of posting).