ATOM_ENCODER_CONFIG_DIGB  866 drivers/gpu/drm/amd/include/atombios.h #define ATOM_ENCODER_CONFIG_DIGB                      0x80         // VBIOS Internal use, outside SW should set this bit=0
ATOM_ENCODER_CONFIG_DIGB  730 drivers/gpu/drm/radeon/atombios.h #define ATOM_ENCODER_CONFIG_DIGB								  0x80			// VBIOS Internal use, outside SW should set this bit=0