ucMaxUnitNumPerSH 8652 drivers/gpu/drm/amd/include/atombios.h   UCHAR ucMaxUnitNumPerSH;                 //max CU/RB/PRIM number per shader array
ucMaxUnitNumPerSH 7376 drivers/gpu/drm/radeon/atombios.h   UCHAR ucMaxUnitNumPerSH;                 //max CU/RB/PRIM number per shader array