drm/amdgpu: add amdgpu.powerplay module option

This option can be used to enable the new powerplay implementation,
and it is disabled by default.

Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jammy Zhou 2015-07-21 14:01:50 +08:00 • committed by Alex Deucher
commit 3a74f6f273