ATOM_SCALER_MULTI_EX  110 drivers/gpu/drm/amd/include/atombios.h #define ATOM_SCALER_MULTI_EX  3   //For Fudo only, it's multi-tap mode only used to drive TV or CV, only used by Bios
ATOM_SCALER_MULTI_EX   96 drivers/gpu/drm/radeon/atombios.h #define ATOM_SCALER_MULTI_EX  3