LCD_SPU_IRQ_ENA
writel(dcrtc->irq_ena, dcrtc->base + LCD_SPU_IRQ_ENA);
writel(dcrtc->irq_ena, dcrtc->base + LCD_SPU_IRQ_ENA);
writel_relaxed(0, dcrtc->base + LCD_SPU_IRQ_ENA);
writel_relaxed(dcrtc->irq_ena, dcrtc->base + LCD_SPU_IRQ_ENA);