The present disclosure provides a display driving circuit, a driving method thereof and a display device. An eye tracker is integrated into a data driving chip. The eye tracker may determine eye gazing coordinates according to an eye image sent from an eye image acquisition unit; then a graphics processor processes an image to be displayed, according to the eye gazing coordinates sent from the eye tracker; and finally, the data driving chip controls a connected display panel to display according to the processed image to be displayed which is sent from the graphics processor.