Date: Thu, 18 Sep 2025 22:09:48 -0700 From: Cy Schubert <Cy.Schubert@cschubert.com> To: Aymeric Wibo <obiwac@FreeBSD.org> Cc: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: Re: git: 87e2b532ec9e - main - Revert "sys/power: Sleep type reporting by PM backends" Message-ID: <20250919050948.85F72492@slippy.cwsent.com> In-Reply-To: <202509180949.58I9nwwU017076@gitrepo.freebsd.org> References: <202509180949.58I9nwwU017076@gitrepo.freebsd.org>
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In message <202509180949.58I9nwwU017076@gitrepo.freebsd.org>, Aymeric Wibo writ es: > The branch main has been updated by obiwac: > > URL: https://cgit.FreeBSD.org/src/commit/?id=87e2b532ec9e9504ac743931ffae5286 > 79a1f4c0 > > commit 87e2b532ec9e9504ac743931ffae528679a1f4c0 > Author: Aymeric Wibo <obiwac@FreeBSD.org> > AuthorDate: 2025-09-18 09:45:27 +0000 > Commit: Aymeric Wibo <obiwac@FreeBSD.org> > CommitDate: 2025-09-18 09:49:17 +0000 > > Revert "sys/power: Sleep type reporting by PM backends" > > This reverts commit e779891327b1d9b9ab10ba482e59f498790505a7. > > PR: 289634 > --- > sys/dev/acpica/acpi.c | 6 ++---- > sys/kern/subr_power.c | 46 +++++----------------------------------------- > sys/sys/power.h | 3 +-- > 3 files changed, 8 insertions(+), 47 deletions(-) > > diff --git a/sys/dev/acpica/acpi.c b/sys/dev/acpica/acpi.c > index 702e1ecb5340..8dd879a573cc 100644 > --- a/sys/dev/acpica/acpi.c > +++ b/sys/dev/acpica/acpi.c > @@ -734,8 +734,7 @@ acpi_attach(device_t dev) > goto out; > > /* Register ACPI again to pass the correct argument of pm_func. */ > - power_pm_register(POWER_PM_TYPE_ACPI, acpi_pm_func, sc, > - acpi_supported_stypes); > + power_pm_register(POWER_PM_TYPE_ACPI, acpi_pm_func, sc); > > acpi_platform_osc(dev); > > @@ -4777,8 +4776,7 @@ acpi_pm_register(void *arg) > if (!cold || resource_disabled("acpi", 0)) > return; > > - power_pm_register(POWER_PM_TYPE_ACPI, acpi_pm_func, NULL, > - acpi_supported_stypes); > + power_pm_register(POWER_PM_TYPE_ACPI, acpi_pm_func, NULL); > } > > SYSINIT(power, SI_SUB_KLD, SI_ORDER_ANY, acpi_pm_register, NULL); > diff --git a/sys/kern/subr_power.c b/sys/kern/subr_power.c > index 44ad82860649..eb5bd03f5018 100644 > --- a/sys/kern/subr_power.c > +++ b/sys/kern/subr_power.c > @@ -39,14 +39,13 @@ > #include <sys/systm.h> > #include <sys/taskqueue.h> > > -enum power_stype power_standby_stype = POWER_STYPE_UNKNOWN; > -enum power_stype power_suspend_stype = POWER_STYPE_UNKNOWN; > -enum power_stype power_hibernate_stype = POWER_STYPE_UNKNOWN; > +enum power_stype power_standby_stype = POWER_STYPE_STANDBY; > +enum power_stype power_suspend_stype = POWER_STYPE_SUSPEND_TO_IDLE; > +enum power_stype power_hibernate_stype = POWER_STYPE_HIBERNATE; > > static u_int power_pm_type = POWER_PM_TYPE_NONE; > static power_pm_fn_t power_pm_fn = NULL; > static void *power_pm_arg = NULL; > -static bool power_pm_supported[POWER_STYPE_COUNT] = {0}; > static struct task power_pm_task; > > enum power_stype > @@ -71,26 +70,6 @@ power_stype_to_name(enum power_stype stype) > return (power_stype_names[stype]); > } > > -static int > -sysctl_supported_stypes(SYSCTL_HANDLER_ARGS) > -{ > - int error; > - struct sbuf sb; > - enum power_stype stype; > - > - sbuf_new(&sb, NULL, 32, SBUF_AUTOEXTEND); > - for (stype = 0; stype < POWER_STYPE_COUNT; stype++) { > - if (power_pm_supported[stype]) > - sbuf_printf(&sb, "%s ", power_stype_to_name(stype)); > - } > - sbuf_trim(&sb); > - sbuf_finish(&sb); > - error = sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req); > - sbuf_delete(&sb); > - > - return (error); > -} > - > static int > power_sysctl_stype(SYSCTL_HANDLER_ARGS) > { > @@ -107,8 +86,7 @@ power_sysctl_stype(SYSCTL_HANDLER_ARGS) > new_stype = power_name_to_stype(name); > if (new_stype == POWER_STYPE_UNKNOWN) > return (EINVAL); > - if (!power_pm_supported[new_stype]) > - return (EOPNOTSUPP); > + /* TODO Check to see if the new stype is supported. */ > if (new_stype != old_stype) > *(enum power_stype *)oidp->oid_arg1 = new_stype; > return (0); > @@ -117,9 +95,6 @@ power_sysctl_stype(SYSCTL_HANDLER_ARGS) > static SYSCTL_NODE(_kern, OID_AUTO, power, CTLFLAG_RW, 0, > "Generic power management related sysctls"); > > -SYSCTL_PROC(_kern_power, OID_AUTO, supported_stype, > - CTLTYPE_STRING | CTLFLAG_RD, 0, 0, sysctl_supported_stypes, "A", > - "List supported sleep types"); > SYSCTL_PROC(_kern_power, OID_AUTO, standby, CTLTYPE_STRING | CTLFLAG_RW, > &power_standby_stype, 0, power_sysctl_stype, "A", > "Sleep type to enter on standby"); > @@ -139,8 +114,7 @@ power_pm_deferred_fn(void *arg, int pending) > } > > int > -power_pm_register(u_int pm_type, power_pm_fn_t pm_fn, void *pm_arg, > - bool pm_supported[static POWER_STYPE_COUNT]) > +power_pm_register(u_int pm_type, power_pm_fn_t pm_fn, void *pm_arg) > { > int error; > > @@ -149,16 +123,6 @@ power_pm_register(u_int pm_type, power_pm_fn_t pm_fn, vo > id *pm_arg, > power_pm_type = pm_type; > power_pm_fn = pm_fn; > power_pm_arg = pm_arg; > - memcpy(power_pm_supported, pm_supported, > - sizeof(power_pm_supported)); > - if (power_pm_supported[POWER_STYPE_STANDBY]) > - power_standby_stype = POWER_STYPE_STANDBY; > - if (power_pm_supported[POWER_STYPE_SUSPEND_TO_IDLE]) > - power_suspend_stype = POWER_STYPE_SUSPEND_TO_IDLE; > - else if (power_pm_supported[POWER_STYPE_SUSPEND_TO_MEM]) > - power_suspend_stype = POWER_STYPE_SUSPEND_TO_MEM; > - if (power_pm_supported[POWER_STYPE_HIBERNATE]) > - power_hibernate_stype = POWER_STYPE_HIBERNATE; > error = 0; > TASK_INIT(&power_pm_task, 0, power_pm_deferred_fn, NULL); > } else { > diff --git a/sys/sys/power.h b/sys/sys/power.h > index 33ace400bfd2..44d7fc354423 100644 > --- a/sys/sys/power.h > +++ b/sys/sys/power.h > @@ -91,8 +91,7 @@ extern const char *power_stype_to_name(enum power_stype _ > stype); > > typedef int (*power_pm_fn_t)(u_long _cmd, void* _arg, enum power_stype _styp > e); > extern int power_pm_register(u_int _pm_type, power_pm_fn_t _pm_fn, > - void *_pm_arg, > - bool _pm_supported[static POWER_STYPE_COUNT]); > + void *_pm_arg); > extern u_int power_pm_get_type(void); > extern void power_pm_suspend(int); > > cThank you. This resolves the poweroff hang on my UEFI machines (HP 840 and Framework 13 and the poweroff panic on my non-UEFI machines (all ASUS). -- Cheers, Cy Schubert <Cy.Schubert@cschubert.com> FreeBSD UNIX: <cy@FreeBSD.org> Web: https://FreeBSD.org NTP: <cy@nwtime.org> Web: https://nwtime.org e**(i*pi)+1=0
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