drm/amdgpu: Read aquavanjaram USR register state

Add support to read state of USR links in aquavanjaram SOC.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2023-10-07 19:52:11 +05:30 • committed by Alex Deucher
commit 650f0487d6