P_PLL_BUF_PDNB    223 drivers/gpu/drm/radeon/rv6xxd.h #       define P_PLL_BUF_PDNB                             (1 << 4)
P_PLL_BUF_PDNB    929 drivers/gpu/drm/radeon/rv770d.h #       define P_PLL_BUF_PDNB                             (1 << 4)