An electronic device is provided that includes a display panel including a plurality of source line groups including a plurality of source lines and a plurality of panel switches for each of the plurality of source lines; and a display driver integrated circuit (DDI) configured to drive the display panel, wherein the DDI includes the plurality of source amplifiers, decoders respectively connected to the plurality of source amplifiers, and at least one switch between source amplifier channels, wherein an operation of the at least one switch causes the number of the source line groups corresponding to a source amplifier to be changed.