drm/amd/pm: Return right size for gpuboard metrics

Change to switch style checks and return the correct size for gpu board
metrics.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2025-12-12 13:56:47 +05:30 • committed by Alex Deucher
commit ec9243d1b4