DC_WIN_BLEND_3WIN_XY
DEBUGFS_REG32(DC_WIN_BLEND_3WIN_XY),
tegra_plane_writel(plane, background[2], DC_WIN_BLEND_3WIN_XY);
tegra_plane_writel(plane, background[2], DC_WIN_BLEND_3WIN_XY);
tegra_plane_writel(plane, foreground, DC_WIN_BLEND_3WIN_XY);