/* DESCRIPTION: Turns off DRAM refresh. Must be off for only 2 vsyncs before data becomes corrupt  */
static void i810_dram_off(u8 __iomem *mmio, u8 mode)
/* DESCRIPTION: Turns off DRAM refresh. Must be off for only 2 vsyncs before data becomes corrupt  */
static void i810_dram_off(u8 __iomem *mmio, u8 mode)
{
	u8 val;
	val = i810_readb(DRAMCH, mmio);
	val &= DRAM_OFF;
	val = (mode == OFF) ? val : val | DRAM_ON;
	i810_writeb(DRAMCH, mmio, val);
}