3a54d2c895
Call smu to power gate/ungate acp instand of only powr down acp tiles in acp block. when smu power gate acp: smu will turn off clock, power down acp tiles,check and enter in ULV state. when smu ungate acp: smu will exit ulv, turn on clocks, power on acp tiles. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>