ucHWBlkInst      8534 drivers/gpu/drm/amd/include/atombios.h    UCHAR ucHWBlkInst;                // HW block instance, 0, 1, 2, ...
ucHWBlkInst      7278 drivers/gpu/drm/radeon/atombios.h    UCHAR ucHWBlkInst;                // HW block instance, 0, 1, 2, ...