SU_MCLK_USE_BCLK 1329 drivers/gpu/drm/radeon/r600d.h #       define SU_MCLK_USE_BCLK                           (1 << 3)
SU_MCLK_USE_BCLK   51 drivers/gpu/drm/radeon/rv6xxd.h #       define SU_MCLK_USE_BCLK                           (1 << 3)