1. A computer-implemented method for automatically controlling a dynamic backlight control (DBC) of a display, the method comprising: determining whether an image to be displayed on the display comprises a high-resolution still image; if the image comprises a high-resolution still image, then disabling the DBC, wherein a backlight of the display is turned on and kept at approximately a constant brightness when the DBC is disabled; and if the image does not comprise a high-resolution still image, then enabling the DBC, wherein the backlight of the display is turned on and the DBC dynamically adjusts a brightness of the backlight of the display based on content of the image when the DBC is enabled.