DCLK_2D
tmp2 = i810_readl(DCLK_2D, mmio);
i810_writel(DCLK_2D, mmio, tmp1 | tmp2);
tmp2 = i810_readl(DCLK_2D, mmio);
i810_writel(DCLK_2D, mmio, tmp1 | tmp2);
par->hw_state.dclk_2d = i810_readl(DCLK_2D, mmio);