Re: [PATCH] PCI/ASPM: Add back L1 PM Substate save and restore

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Hi Thomas,

On Sat, Aug 05, 2023 at 09:57:47AM +0200, Thomas Witt wrote:
> On 31/07/2023 17:01, Mika Westerberg wrote:
> > Hi Thomas,
> > 
> > Thanks for trying that. Did you manage to try out the S0ix script David
> > suggested? That should show us hopefully what is draining the battery in
> > s2idle.
> 
> Hi Mika,
> 
> I did, with -s it gives
> 
> Your system does not support low power S0 idle capability.
> Isolation suggestion:
> Please check BIOS low power S0 idle capability setting.
> 
> with -r on
> 
> Your system did not achieve the runtime PC10 state during screen ON

Thanks for trying. Did you change the "mem_sleep" back to "s2idle"
before you run the script?

> additionally, it encounters a syntax error:
> ./s0ix-selftest-tool.sh: line 1182: wc:: syntax error in expression (error
> token is ":")

@David, do you know what might be the issue?

> with -r off, it tries xset which fails due to a lack of xserver.

You do have graphics running right? I mean i915 driver is enabled and
all the firmwares are in place (should come with the distro). I'm asking
because s2idle typically requires that graphics and pretty much all the
devices on the SoC have a driver and the accompanying firmwares, and
that they enter D3 properly.



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