drm/amdgpu: Add utility functions for xcp

Add utility functions to get details of xcp and iterate through
available xcps.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Le Ma <le.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2023-01-25 20:04:52 +05:30 • committed by Alex Deucher
commit 4bdca20579
2 changed files with 43 additions and 0 deletions