dma_ctrl1
u32 dma_ctrl1, mask, tmp, path_config;
dma_ctrl1 = 0x2032ff81;
dma_ctrl1 |= CFG_VSYNC_INV_MASK;
writel_relaxed(dma_ctrl1, ctrl_regs(path) + dma_ctrl(1, path->id));
#define dma_ctrl(ctrl1, id) (ctrl1 ? dma_ctrl1(id) : dma_ctrl0(id))