regression issue caused by commit 47047263c52779f1f3393c32e3e53661b53a372e ("drm/amd/powerplay: delete eventmgr related files.") Reviewed-by: Evan Quan <evan.quan@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>