DSI_GNQ
val = REG_GET(dsi, DSI_GNQ, 14, 12); /* VP1_LINE_BUFFER_SIZE */
dsi->num_lanes_supported = 1 + REG_GET(dsi, DSI_GNQ, 11, 9);
val = REG_GET(dsidev, DSI_GNQ, 14, 12); /* VP1_LINE_BUFFER_SIZE */
dsi->num_lanes_supported = 1 + REG_GET(dsidev, DSI_GNQ, 11, 9);