1. In a device comprising a graphics processor in communication with a display, the display having adjustable light source intensity, a method for the graphics processor to adjust brightness of at least a portion of a display image, the method comprising: determining a type for content to be included in the display image to provide an identified content type, the type being determined according to the manner in which the content is authored for a specific display type; setting the light source to an adjusted intensity based on the identified content type; and providing the display image to the display having the adjusted intensity.