ATOM_TRANSMITTER_CONFIG_CLKSRC_PPLL 1200 drivers/gpu/drm/amd/include/atombios.h #define ATOM_TRANSMITTER_CONFIG_CLKSRC_PPLL         0x00
ATOM_TRANSMITTER_CONFIG_CLKSRC_PPLL  994 drivers/gpu/drm/radeon/atombios.h #define ATOM_TRANSMITTER_CONFIG_CLKSRC_PPLL			0x00