IMHO Lem's work has a lot of "cyber" but no "punk" in it ;) E.g. while Lem's future (in his science fiction books) isn't exactly a happy utopia, it's also not

IMHO Lem's work has a lot of "cyber" but no "punk" in it ;) E.g. while Lem's future (in his science fiction books) isn't exactly a happy utopia, it's also not the depressing dystopia I would associate with "cyberpunk" - but maybe... "Peace on Earth" might qualify as "robopunk"? :)