IO_CG_BACKBIAS_EN  299 drivers/gpu/drm/radeon/rs600.c 		dyn_backbias_cntl |= IO_CG_BACKBIAS_EN;
IO_CG_BACKBIAS_EN  301 drivers/gpu/drm/radeon/rs600.c 		dyn_backbias_cntl &= ~IO_CG_BACKBIAS_EN;