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Message-ID: <CAJZ5v0gj7qoSHd54q+KCLz44Hj+MpkgU7LZG1nNBHf+4dwVHpw@mail.gmail.com> Date: Tue, 12 Nov 2024 21:25:52 +0100 From: "Rafael J. Wysocki" <rafael@...nel.org> To: Mario Limonciello <mario.limonciello@....com> Cc: "Rafael J. Wysocki" <rafael@...nel.org>, Hans de Goede <hdegoede@...hat.com>, Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>, Len Brown <lenb@...nel.org>, Maximilian Luz <luzmaximilian@...il.com>, Lee Chun-Yi <jlee@...e.com>, Shyam Sundar S K <Shyam-sundar.S-k@....com>, Corentin Chary <corentin.chary@...il.com>, "Luke D . Jones" <luke@...nes.dev>, Ike Panhc <ike.pan@...onical.com>, Henrique de Moraes Holschuh <hmh@....eng.br>, Alexis Belmonte <alexbelm48@...il.com>, Uwe Kleine-König <u.kleine-koenig@...gutronix.de>, Ai Chao <aichao@...inos.cn>, Gergo Koteles <soyer@....hu>, open list <linux-kernel@...r.kernel.org>, "open list:ACPI" <linux-acpi@...r.kernel.org>, "open list:MICROSOFT SURFACE PLATFORM PROFILE DRIVER" <platform-driver-x86@...r.kernel.org>, "open list:THINKPAD ACPI EXTRAS DRIVER" <ibm-acpi-devel@...ts.sourceforge.net>, Mark Pearson <mpearson-lenovo@...ebb.ca>, Matthew Schwartz <matthew.schwartz@...ux.dev> Subject: Re: [PATCH v6 00/22] Add support for binding ACPI platform profile to multiple drivers On Tue, Nov 12, 2024 at 9:20 PM Mario Limonciello <mario.limonciello@....com> wrote: > > On 11/12/2024 14:16, Rafael J. Wysocki wrote: > > On Sat, Nov 9, 2024 at 5:42 AM Mario Limonciello > > <mario.limonciello@....com> wrote: > >> > >> Currently there are a number of ASUS products on the market that happen to > >> have ACPI objects for amd-pmf to bind to as well as an ACPI platform > >> profile provided by asus-wmi. > >> > >> The ACPI platform profile support created by amd-pmf on these ASUS > >> products is "Function 9" which is specifically for "BIOS or EC > >> notification" of power slider position. This feature is actively used > >> by some designs such as Framework 13 and Framework 16. > >> > >> On these ASUS designs we keep on quirking more and more of them to turn > >> off this notification so that asus-wmi can bind. > >> > >> This however isn't how Windows works. "Multiple" things are notified for > >> the power slider position. This series adjusts Linux to behave similarly. > >> > >> Multiple drivers can now register an ACPI platform profile and will react > >> to set requests. > >> > >> To avoid chaos, only positions that are common to both drivers are > >> accepted when the legacy /sys/firmware/acpi/platform_profile interface > >> is used. > >> > >> This series also adds a new concept of a "custom" profile. This allows > >> userspace to discover that there are multiple driver handlers that are > >> configured differently. > >> > >> This series also allows dropping all of the PMF quirks from amd-pmf. > >> > >> --- > >> v6: > >> * Add patch dev patch but don't make mandatory > > > > Probably a typo? > > Ah whoops, yes. > > > > > Which patch is it, BTW? > > Patch 3. > > > > > In any case, if the merge window for 6.13 starts on the upcoming > > weekend, which is likely to happen AFAICS, I'll defer applying this > > series until 6.13-rc1 is out. > > > > It's larger and it's been changing too often recently for me to catch > > up and I'll be much more comfortable if it spends some time in > > linux-next before going into the mainline (and not during a merge > > window for that matter). > > > > I'm thankful; Armin ended up having a lot of very valuable feedback. > > Yeah, it makes sense to defer to next cycle. > > Would you prefer me to rebase and resend as v7 after the merge window or > will you just add it to a TODO? If rebasing is needed, it will be welcome. Also if you need/want to make any changes in the meantime, please respin. Otherwise I can just pick up the current series. > >> * See other patches changelogs for individualized changes > >> > >> Mario Limonciello (22): > >> ACPI: platform-profile: Add a name member to handlers > >> platform/x86/dell: dell-pc: Create platform device > >> ACPI: platform_profile: Add device pointer into platform profile > >> handler > >> ACPI: platform_profile: Add platform handler argument to > >> platform_profile_remove() > >> ACPI: platform_profile: Pass the profile handler into > >> platform_profile_notify() > >> ACPI: platform_profile: Move sanity check out of the mutex > >> ACPI: platform_profile: Move matching string for new profile out of > >> mutex > >> ACPI: platform_profile: Use guard(mutex) for register/unregister > >> ACPI: platform_profile: Use `scoped_cond_guard` > >> ACPI: platform_profile: Create class for ACPI platform profile > >> ACPI: platform_profile: Add name attribute to class interface > >> ACPI: platform_profile: Add choices attribute for class interface > >> ACPI: platform_profile: Add profile attribute for class interface > >> ACPI: platform_profile: Notify change events on register and > >> unregister > >> ACPI: platform_profile: Only show profiles common for all handlers > >> ACPI: platform_profile: Add concept of a "custom" profile > >> ACPI: platform_profile: Make sure all profile handlers agree on > >> profile > >> ACPI: platform_profile: Check all profile handler to calculate next > >> ACPI: platform_profile: Notify class device from > >> platform_profile_notify() > >> ACPI: platform_profile: Allow multiple handlers > >> platform/x86/amd: pmf: Drop all quirks > >> Documentation: Add documentation about class interface for platform > >> profiles > >> > >> .../ABI/testing/sysfs-platform_profile | 5 + > >> .../userspace-api/sysfs-platform_profile.rst | 28 + > >> drivers/acpi/platform_profile.c | 537 ++++++++++++++---- > >> .../surface/surface_platform_profile.c | 8 +- > >> drivers/platform/x86/acer-wmi.c | 12 +- > >> drivers/platform/x86/amd/pmf/Makefile | 2 +- > >> drivers/platform/x86/amd/pmf/core.c | 1 - > >> drivers/platform/x86/amd/pmf/pmf-quirks.c | 66 --- > >> drivers/platform/x86/amd/pmf/pmf.h | 3 - > >> drivers/platform/x86/amd/pmf/sps.c | 4 +- > >> drivers/platform/x86/asus-wmi.c | 10 +- > >> drivers/platform/x86/dell/alienware-wmi.c | 8 +- > >> drivers/platform/x86/dell/dell-pc.c | 36 +- > >> drivers/platform/x86/hp/hp-wmi.c | 8 +- > >> drivers/platform/x86/ideapad-laptop.c | 6 +- > >> .../platform/x86/inspur_platform_profile.c | 7 +- > >> drivers/platform/x86/thinkpad_acpi.c | 16 +- > >> include/linux/platform_profile.h | 9 +- > >> 18 files changed, 553 insertions(+), 213 deletions(-) > >> delete mode 100644 drivers/platform/x86/amd/pmf/pmf-quirks.c > >> > >> > >> base-commit: d68cb6023356af3bd3193983ad4ec03954a0b3e2 > >> -- > >> 2.43.0 > >> >
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