ASIC_T_MASK       906 drivers/gpu/drm/radeon/evergreend.h #define		ASIC_T_MASK			        0x07FF0000
ASIC_T_MASK       304 drivers/gpu/drm/radeon/r600d.h #define		ASIC_T_MASK			        0x1FF
ASIC_T_MASK       427 drivers/gpu/drm/radeon/rv770d.h #define		ASIC_T_MASK			        0x3FF0000