ulReturnMemoryClock 2186 drivers/gpu/drm/amd/include/atombios.h   ULONG ulReturnMemoryClock;          // current memory speed in 10KHz unit
ulReturnMemoryClock 1813 drivers/gpu/drm/radeon/atombios.h   ULONG ulReturnMemoryClock;          // current memory speed in 10KHz unit
ulReturnMemoryClock 3030 drivers/gpu/drm/radeon/radeon_atombios.c 	return le32_to_cpu(args.ulReturnMemoryClock);