drm/kfd: Add CU occupancy support to GFX12.1

Port changes from GFX9 to GFX12.1 mostly as-is.
Minor changes to register access code.

Assisted-by: Claude:Sonnet 4.6
Signed-off-by: David Belanger <david.belanger@amd.com>
Reviewed-by: Sreekant Somasekharan <Sreekant.Somasekharan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
David Belanger 2026-08-14 13:26:17 -04:00 • committed by Alex Deucher
commit fb62f7f031