IMGU_PM_CTRL_CSS_PWRDN
val = pm_ctrl & ~(IMGU_PM_CTRL_CSS_PWRDN | IMGU_PM_CTRL_RST_AT_EOF);
val &= ~(IMGU_PM_CTRL_CSS_PWRDN | IMGU_PM_CTRL_RST_AT_EOF);
val |= pm_ctrl & (IMGU_PM_CTRL_CSS_PWRDN | IMGU_PM_CTRL_RST_AT_EOF);