The ornamental design for a displayscreen or portion thereof with icon, as shown and described.
A portion of the disclosure of this patent document contains material to which a claim for copyright is made. The copyright owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the U.S. Patent and Trademark Office patent file or records, but reserves all other copyrights whatsoever.
The FIGURE is a front view of a display screen or portion thereof with icon showing my new design.
The broken lines in the FIGURE represent a display screen or portion thereof and form no part of the claimed design.