Paul Fox wrote: > benjamin m. schwartz wrote: > > cpuidle is already used by the kernel to select the ACPI state, but it is > > possible to add more states as well. Therefore, it seems to me that the > > logical thing to do is to add the "frozen" state to cpuidle's menu. > > perhaps this should be obvious, but can it handle S-states as > well? because i believe that's the goal -- freeze the display > and then go into S3.
My impression is that this has never been done, presumably due to the absence of a DCON on other ACPI machines. I know nothing about kernel internals or suspend-resume, so I cannot comment intelligently on the difficulty of supporting S3+DCON in cpuidle. --Ben
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