ATOM_ENCODER_MODE_DP_MST  883 drivers/gpu/drm/amd/include/atombios.h #define ATOM_ENCODER_MODE_DP_MST                      5                       // For DP1.2
ATOM_ENCODER_MODE_DP_MST  101 drivers/gpu/drm/amd/include/atomfirmware.h   ATOM_ENCODER_MODE_DP_MST      =5,
ATOM_ENCODER_MODE_DP_MST  747 drivers/gpu/drm/radeon/atombios.h #define ATOM_ENCODER_MODE_DP_MST                  5                       // For DP1.2