NUM_MEMCLK_DPM_LEVELS  102 drivers/gpu/drm/amd/powerplay/inc/smu10_driver_if.h #define NUM_MEMCLK_DPM_LEVELS  4
NUM_MEMCLK_DPM_LEVELS  108 drivers/gpu/drm/amd/powerplay/inc/smu12_driver_if.h #define NUM_MEMCLK_DPM_LEVELS 4