19  * by the VSYNC irq and does not handle the RDMA irq.
26 	if (!priv->rdma.addr) {  in meson_rdma_init()
28 		priv->rdma.addr =  in meson_rdma_init()
30 					   &priv->rdma.addr_dma,  in meson_rdma_init()
32 		if (!priv->rdma.addr)  in meson_rdma_init()
36 	priv->rdma.offset = 0;  in meson_rdma_init()
50 	if (!priv->rdma.addr && !priv->rdma.addr_dma)  in meson_rdma_free()
56 			  priv->rdma.addr, priv->rdma.addr_dma);  in meson_rdma_free()
58 	priv->rdma.addr = NULL;  in meson_rdma_free()
59 	priv->rdma.addr_dma = (dma_addr_t)0;  in meson_rdma_free()
88 	priv->rdma.offset = 0;  in meson_rdma_reset()
94 	if (priv->rdma.offset >= (SZ_4K / RDMA_DESC_SIZE)) {  in meson_rdma_writel()
99 	priv->rdma.addr[priv->rdma.offset++] = reg;  in meson_rdma_writel()
100 	priv->rdma.addr[priv->rdma.offset++] = val;  in meson_rdma_writel()
104  * This will add the register to the RDMA buffer and write it to the
106  * When meson_rdma_flush is called, the RDMA will replay the register
121 	writel(priv->rdma.addr_dma,  in meson_rdma_flush()
125 	writel(priv->rdma.addr_dma + (priv->rdma.offset * RDMA_DESC_SIZE) - 1,  in meson_rdma_flush()
134 	priv->rdma.offset = 0;  in meson_rdma_flush()