[wtallis]

I don't think the lack of appropriate structural incentives has anything to do with FOSS. It's that Microsoft has a near-monopoly on operating systems, so it's easier for PC hardware vendors to work directly with just Microsoft to deal with problems, rather than publicly document their hardware errata for the benefit of multiple OS vendors.

[toyg]

This is no different for any other chipset under the sun, from the good ol' "winmodems" of the '90s to today. But some stuff gets fixed and some doesn't. Power management is one of those that "doesn't".