[PATCH V3] accel/amdxdna: Add BO import and export

[Jeff Hugo]

On 3/25/2025 2:01 PM, Lizhi Hou wrote:
> Add amdxdna_gem_prime_export() and amdxdna_gem_prime_import() for BO
> import and export. Register mmu notifier for imported BO as well. When
> MMU_NOTIFIER_UNMAP event is received, queue work to remove the notifier.
> 
> The same BO could be mapped multiple times if it is exported and imported
> by an application. Use a link list to track VMAs the BO been mapped.
> 
> Signed-off-by: Lizhi Hou <lizhi.hou at amd.com>

Reviewed-by: Jeff Hugo <jeff.hugo at oss.qualcomm.com>

I think this was just a one time glitch, but please remember to include 
a changelog for v2+.