"HSP core is disabled then PSP will gate the HSP clock"
I'd take "HSP clock" to mean the one clock that the whole HSP runs on, which would suggest that it is unable to execute code if the bit is set. That would also make sure it's not quietly burning dynamic power invisibly in a laptop design.
Power management, mobile and firmware developer on Linux. Security developer at Aurora. Ex-biologist. mjg59 on Twitter. Content here should not be interpreted as the opinion of my employer. Also on Mastodon.
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Date: 2022-03-24 03:33 am (UTC)I'd take "HSP clock" to mean the one clock that the whole HSP runs on, which would suggest that it is unable to execute code if the bit is set. That would also make sure it's not quietly burning dynamic power invisibly in a laptop design.