ATOM_ENCODER_CONFIG_LINK_SEL_MASK  856 drivers/gpu/drm/amd/include/atombios.h #define ATOM_ENCODER_CONFIG_LINK_SEL_MASK             0x04
ATOM_ENCODER_CONFIG_LINK_SEL_MASK  720 drivers/gpu/drm/radeon/atombios.h #define ATOM_ENCODER_CONFIG_LINK_SEL_MASK				  0x04