An integrated controller for an integrated display and touch panel and its associated method provide (a) a DisplayPort or embedded DisplayPort interface for communicating control and data signals for both display and touch functions between a host system and the integrated controller, wherein the touch control and data signals are communicated over an auxiliary channel of the DisplayPort or embedded DisplayPort interface; (b) a display panel interface for communicating display data and control signals between the integrated controller and a display monitor; (c) a touch panel interface for communicating touch data and control signals between the integrated controller and a touch panel; and (d) a control circuit which processes the display and touch control and data signals of the DisplayPort or embedded DisplayPort interface, the display data and control signals of the display panel interface and the touch data and control signals of the touch panel interface.