usNumberOfCyclesInPeriod 3292 drivers/gpu/drm/amd/include/atombios.h   USHORT                     usNumberOfCyclesInPeriod;
usNumberOfCyclesInPeriod 2839 drivers/gpu/drm/radeon/atombios.h   USHORT                     usNumberOfCyclesInPeriod;
usNumberOfCyclesInPeriod  901 drivers/gpu/drm/radeon/rs780_dpm.c 				le16_to_cpu(info->info_2.usNumberOfCyclesInPeriod);