IMGU_REG_ISP_CTRL
writel(readl(base + IMGU_REG_ISP_CTRL) | IMGU_CTRL_ICACHE_INV,
base + IMGU_REG_ISP_CTRL);
if (!(readl(base + IMGU_REG_ISP_CTRL) & IMGU_CTRL_IDLE)) {
writel(readl(base + IMGU_REG_ISP_CTRL)
| IMGU_CTRL_START | IMGU_CTRL_RUN, base + IMGU_REG_ISP_CTRL);
if (imgu_hw_wait(css->base, IMGU_REG_ISP_CTRL,