Techniques are disclosed relating to power management within an integrated circuit. In one embodiment, a display buffer receives image data through a data transfer interconnect. A data transfer interconnect is powered down based on the received image data being greater than a threshold amount of data. The display buffer transmits at least a portion of the image data to one or more outputs, and in response to the transmitting, the data transfer interconnect is powered up. In some embodiments, the display buffer includes a plurality of line buffers, each configured to store a respective image source line. In such an embodiment, a display pipe configured to render images to be displayed includes the display buffer, and the powering down is performed in response to the received image data including two or more image source lines.