With Linux 6.6, Intel Restoring Panel Self Refresh For Aging Haswell/Broadwell Laptops

[phoronix]

Phoronix: With Linux 6.6, Intel Restoring Panel Self Refresh For Aging Haswell/Broadwell Laptops

It's been ten years since Intel launched the Haswell processors that were great for the time followed by Broadwell. On the laptop side for Haswell and Broadwell the Panel Self Refresh (PSR) power-savings support has been rather notorious at least on the Linux side. Finally for the Linux 6.6 kernel due out in late 2023, the developers are re-enabling PSR support for these aging laptops...

https://www.phoronix.com/news/Intel-PSR-HSW-BDW-2023

[jorgepl]

Was the situation better on Windows?

[torsionbar28]

Ten years, eh? Keep that in mind next time someone complains about having to wait 6 months for AMD temperature sensor support, lol.

[openminded]

Ten years, eh? Keep that in mind next time someone complains about having to wait 6 months for AMD temperature sensor support, lol.

Yeah, and this psr shit also didn't work at least on one Alder Lake laptop I happened to try last year. It was producing the same visual effects as in the article's screenshot. Including terrible input lags.