r600_is_safe_reg 2231 drivers/gpu/drm/radeon/r600_cs.c 			if (!r600_is_safe_reg(p, reg, idx+1))
r600_is_safe_reg 2255 drivers/gpu/drm/radeon/r600_cs.c 			if (!r600_is_safe_reg(p, reg, idx+3))