From: (Anonymous)
No, I was wrong - it seems that it was one of USB devices I've disabled in the BIOS which prevents upper pC-states. When I enabled all of them - still PC3 max. But when I've disabled Smartcard Reader, SD-cardread, fingerprint reader - I can get to PC10 with switched-off screen...
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Matthew Garrett

About Matthew

Power management, mobile and firmware developer on Linux. Security developer at Google. Member of the Free Software Foundation board of directors. Ex-biologist. @mjg59 on Twitter. Content here should not be interpreted as the opinion of my employer.

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