ulReturnEngineClock 2195 drivers/gpu/drm/amd/include/atombios.h   ULONG ulReturnEngineClock;          // current engine speed in 10KHz unit
ulReturnEngineClock 1822 drivers/gpu/drm/radeon/atombios.h   ULONG ulReturnEngineClock;          // current engine speed in 10KHz unit
ulReturnEngineClock 3021 drivers/gpu/drm/radeon/radeon_atombios.c 	return le32_to_cpu(args.ulReturnEngineClock);