ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT 1221 drivers/gpu/drm/amd/include/atombios.h #define ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT             9
ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT 3030 drivers/gpu/drm/amd/include/atomfirmware.h   ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT           = 9,
ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT 1015 drivers/gpu/drm/radeon/atombios.h #define ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT		       9