A display system includes: a host processor for outputting a data load command and outputting compensated image data obtained by compensating for image data; a non-volatile memory for storing compensation data for image compensation; and a display module controlled by the host processor, wherein the display module includes: a display panel including a plurality of pixels, the display panel displaying an image, based on the compensated image data; and a display driver integrated chip (DDI) coupled to the host processor through a first interface, the DDI being coupled to the non-volatile memory through a second interface, the DDI including an interface packet converter for performing packet structure conversion on each of first data compatible with the first interface and second data compatible with the second interface.