usFrequency      8837 drivers/gpu/drm/amd/include/atombios.h    USHORT usFrequency;
usFrequency      7532 drivers/gpu/drm/radeon/atombios.h    USHORT usFrequency;
usFrequency      1363 drivers/gpu/drm/radeon/radeon_atombios.c 			    le16_to_cpu(tmds_info->asMiscInfo[i].usFrequency);