RE: [PATCH v2] ACPI / sleep: EC-based wakeup from suspend-to-idle on recent systems

From	<Mario.Limonciello@dell.com>
Newsgroups	linux.kernel
Subject	RE: [PATCH v2] ACPI / sleep: EC-based wakeup from suspend-to-idle on recent systems
Date	2017-06-23 20:10 +0200
Message-ID	<tVBbQ-5wk-19@gated-at.bofh.it> (permalink)
References	(1 earlier) <tUd1U-8vL-11@gated-at.bofh.it> <tVkkF-3iz-3@gated-at.bofh.it> <tVwOR-2Hx-11@gated-at.bofh.it> <tVyQG-3VK-9@gated-at.bofh.it> <tVzjI-4mL-29@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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> -----Original Message-----
> From: Srinivas Pandruvada [mailto:srinivas.pandruvada@linux.intel.com]
> Sent: Friday, June 23, 2017 11:06 AM
> To: Limonciello, Mario <Mario_Limonciello@Dell.com>; rjw@rjwysocki.net; linux-
> acpi@vger.kernel.org
> Cc: linux-pm@vger.kernel.org; andriy.shevchenko@linux.intel.com;
> dvhart@infradead.org; linux-kernel@vger.kernel.org;
> mika.westerberg@linux.intel.com; tom@oneshoeco.com;
> jerome.debretagne@gmail.com; torvalds@linux-foundation.org;
> lv.zheng@intel.com
> Subject: Re: [PATCH v2] ACPI / sleep: EC-based wakeup from suspend-to-idle on
> recent systems
> 
> On Fri, 2017-06-23 at 15:37 +0000, Mario.Limonciello@dell.com wrote:
> 
> [...]
> 
> > >
> > > +#define ACPI_LPS0_SCREEN_ON	4
> > > +#define ACPI_LPS0_ENTRY		5
> > > +#define ACPI_LPS0_EXIT		6
> > The spec you shared also defines device constraints (function 1). It
> > would be very
> > useful if these constraints  could be parsed and compared against the
> > actual power
> > states of devices on the system at least for debugging purposes.  I'm
> > not sure if you
> > already had a plan for that in a future series.
> >
> For debug purpose, I have worked on a patch to dump the constraint
> table in debugfs. But in the freeze path whether we meet the
> constraints or not will not make any difference, other than for just
> debugging.
> 
> Thanks,
> Srinivas

Right that was what I thought would be most interesting.  You can potentially
output to syslog as a last step going down what isn't in the right state to match
the constraint table.

Thread

[PATCH] ACPI / sleep: EC-based wakeup from suspend-to-idle on recent systems "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-06-23 02:10 +0200
  Re: [PATCH] ACPI / sleep: EC-based wakeup from suspend-to-idle on  recent systems Linus Torvalds <torvalds@linux-foundation.org> - 2017-06-23 04:50 +0200
    Re: [PATCH] ACPI / sleep: EC-based wakeup from suspend-to-idle on  recent systems Tom Lanyon <tom@oneshoeco.com> - 2017-06-27 08:00 +0200
      Re: [PATCH] ACPI / sleep: EC-based wakeup from suspend-to-idle on  recent systems Andy Shevchenko <andy.shevchenko@gmail.com> - 2017-06-27 08:50 +0200
        Re: [PATCH] ACPI / sleep: EC-based wakeup from suspend-to-idle on  recent systems Tom Lanyon <tom@oneshoeco.com> - 2017-06-27 13:00 +0200
      RE: [PATCH] ACPI / sleep: EC-based wakeup from suspend-to-idle on  recent systems <Mario.Limonciello@dell.com> - 2017-06-27 13:20 +0200
      Re: [PATCH] ACPI / sleep: EC-based wakeup from suspend-to-idle on recent systems "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-06-27 17:30 +0200
        Re: [PATCH] ACPI / sleep: EC-based wakeup from suspend-to-idle on  recent systems Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> - 2017-06-27 18:20 +0200
  RE: [PATCH] ACPI / sleep: EC-based wakeup from suspend-to-idle on  recent systems "Zheng, Lv" <lv.zheng@intel.com> - 2017-06-23 08:40 +0200
    Re: [PATCH] ACPI / sleep: EC-based wakeup from suspend-to-idle on recent systems "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-06-23 14:30 +0200
      Re: [PATCH] ACPI / sleep: EC-based wakeup from suspend-to-idle on recent systems "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-06-23 14:40 +0200
  [PATCH v2] ACPI / sleep: EC-based wakeup from suspend-to-idle on recent systems "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-06-23 15:30 +0200
    RE: [PATCH v2] ACPI / sleep: EC-based wakeup from suspend-to-idle on  recent systems <Mario.Limonciello@dell.com> - 2017-06-23 17:40 +0200
      Re: [PATCH v2] ACPI / sleep: EC-based wakeup from suspend-to-idle  on recent systems Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> - 2017-06-23 18:10 +0200
        RE: [PATCH v2] ACPI / sleep: EC-based wakeup from suspend-to-idle on  recent systems <Mario.Limonciello@dell.com> - 2017-06-23 20:10 +0200
      Re: [PATCH v2] ACPI / sleep: EC-based wakeup from suspend-to-idle on recent systems "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-06-24 03:00 +0200

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