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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Ilpo Järvinen:
- amd/pmf: ASUS GA403 quirk matching tweak
- dell-smbios: Fix to the init function rollback path
* tag 'platform-drivers-x86-v6.11-6' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86/amd: pmf: Make ASUS GA403 quirk generic
platform/x86: dell-smbios: Fix error path in dell_smbios_init()
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The gpiod_to_irq() function never returns zero. It returns negative
error codes or a positive IRQ number. Update the checking to check
for negatives.
Fixes: 41bb142a4028 ("platform: cznic: turris-omnia-mcu: Add support for MCU provided TRNG")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Since the legacy WMI notify handlers are now using the WMI event data
provided by the WMI driver core, they can coexist with modern WMI
driver notify handlers.
Remove the precedence of WMI driver notify handlers and call both
when receiving an event.
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20240901031055.3030-6-W_Armin@gmx.de
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Since get_event_data() is only called by wmi_get_notify_data(), it
makes sense to merge both functions.
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20240901031055.3030-5-W_Armin@gmx.de
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Since the WMI driver core now takes care of retrieving the
WMI event data even for legacy WMI notify handlers, this
function is no longer used.
Remove it to prevent WMI drivers from messing up the ACPI
firmware on some machines.
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20240901031055.3030-4-W_Armin@gmx.de
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The current legacy WMI handlers are susceptible to picking up wrong
WMI event data on systems where different WMI devices share some
notification IDs.
Prevent this by letting the WMI driver core taking care of retrieving
the event data. This also simplifies the legacy WMI handlers and their
implementation inside the WMI driver core.
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20240901031055.3030-3-W_Armin@gmx.de
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Merge "hwmon fixes for v6.11-rc7" into review-hans to bring in
commit a54da9df75cd ("hwmon: (hp-wmi-sensors) Check if WMI event
data exists").
This is a dependency for a set of WMI event data refactoring changes.
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When the TPACPI_FAN_WR_ACPI_FANW branch is taken s stays uninitialized
and would be later used in a debug print.
Since the registers are always set to the same two static values inside the
branch s is initialized to 0.
Fixes: 57d0557dfa49 ("platform/x86: thinkpad_acpi: Add Thinkpad Edge E531 fan support")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/platform-driver-x86/f99e558d-c62a-41eb-93b3-cf00c016d907@stanley.mountain/
Signed-off-by: Matthias Fetzer <kontakt@matthias-fetzer.de>
Link: https://lore.kernel.org/r/20240903172756.19235-1-kontakt@matthias-fetzer.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Fix spelling across comments (besides obvious grammar issues):
- spell words in full, e.g., 'img' --> 'image'
- refer to 'gpio-keys' consistently
- refer to acpi_power_off() clearly as to function
- make sure that the first line is only for the affected model(s)
- miscellaneous improvements
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240902150625.2722187-1-andriy.shevchenko@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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First of all, it's a bit counterintuitive to have something like
int err;
...
scoped_guard(...)
err = foo(...);
if (err)
return err;
Second, with a particular kernel configuration and compiler version in
one of such cases the objtool is not happy:
ideapad-laptop.o: warning: objtool: .text.fan_mode_show: unexpected end of section
I'm not an expert on all this, but the theory is that compiler and
linker in this case can't understand that 'result' variable will be
always initialized as long as no error has been returned. Assigning
'result' to a dummy value helps with this. Note, that fixing the
scoped_guard() scope (as per above) does not make issue gone.
That said, assign dummy value and make the scope_guard() clear of its scope.
For the sake of consistency do it in the entire file.
Fixes: 7cc06e729460 ("platform/x86: ideapad-laptop: add a mutex to synchronize VPC commands")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202408290219.BrPO8twi-lkp@intel.com/
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240829165105.1609180-1-andriy.shevchenko@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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interface
Add the TPMI efficiency latency control fields to the sysfs interface.
The sysfs files are mapped to the TPMI uncore driver via the registered
uncore_read and uncore_write driver callbacks. These fields are not
populated on older non TPMI hardware.
Signed-off-by: Tero Kristo <tero.kristo@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240828153657.1296410-4-tero.kristo@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Add efficiency latency control support to the TPMI uncore driver. This
defines two new threshold values for controlling uncore frequency, low
threshold and high threshold. When CPU utilization is below low threshold,
the user configurable floor latency control frequency can be used by the
system. When CPU utilization is above high threshold, the uncore frequency
is increased in 100MHz steps until power limit is reached.
Signed-off-by: Tero Kristo <tero.kristo@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240828153657.1296410-3-tero.kristo@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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While booting, Lenovo 14ARB7 reports 'lenovo-ymc: Unknown key 0 pressed'
warning. This is caused by lenovo_ymc_probe() calling lenovo_ymc_notify()
at probe time to get the initial tablet-mode-switch state and the key-code
lenovo_ymc_notify() reads from the firmware is not initialized at probe
time yet on the Lenovo 14ARB7.
The hardware/firmware does an ACPI notify on the WMI device itself when
it initializes the tablet-mode-switch state later on.
Add 0x0 YMC state to the sparse keymap to silence the warning.
Signed-off-by: Gergo Koteles <soyer@irl.hu>
Link: https://lore.kernel.org/r/08ab73bb74c4ad448409f2ce707b1148874a05ce.1724340562.git.soyer@irl.hu
[hdegoede@redhat.com: Reword commit message]
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Use str_high_low() rather than open coding.
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240822130722.1261891-5-andriy.shevchenko@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Use GPIO_LOOKUP() macro which provides a compound literal
and can be used with dynamic data.
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240822130722.1261891-4-andriy.shevchenko@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The dell battery patch added dell_send_request_for_tokenid() and
dell_set_std_token_value(), which encapsulates a very common pattern
when SMBIOS queries are addressed to token->location. This calls them
in various places outside of the dell laptop code, allowing us to delete
a bunch of code.
Also some very minor cleanups:
- mark the kbd init functions as __init
- don't read buffer.output unless dell_send_request() was successful.
- actually return errors from micmute_led_set/mute_led_set instead of
always returning 0.
Only minor behavior changes; the delayed read of buffer.output and
actually returning errors for the brightness_set_blocking hooks.
Signed-off-by: Andres Salomon <dilinger@queued.net>
Reviewed-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20240820033335.4f68b162@5400
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The Dell BIOS allows you to set custom charging modes, which is useful
in particular for extending battery life. This adds support for tweaking
those various settings from Linux via sysfs knobs. One might, for
example, have their laptop plugged into power at their desk the vast
majority of the time and choose fairly aggressive battery-saving
settings (eg, only charging once the battery drops below 50% and only
charging up to 80%). When leaving for a trip, it would be more useful
to instead switch to a standard charging mode (top off at 100%, charge
any time power is available). Rebooting into the BIOS to change the
charging mode settings is a hassle.
For the Custom charging type mode, we reuse the common
charge_control_{start,end}_threshold sysfs power_supply entries. The
BIOS also has a bunch of other charging modes (with varying levels of
usefulness), so this also adds a 'charge_type' sysfs entry that maps the
standard values to Dell-specific ones.
This work is based on a patch by Perry Yuan <perry_yuan@dell.com> and
Limonciello Mario <Mario_Limonciello@Dell.com> submitted back in 2020.
Hans de Goede:
s/charge_type/charge_types/ since charge_types_show() used the new
charge_types power-supply property output format.
Signed-off-by: Andres Salomon <dilinger@queued.net>
Reviewed-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20240820033005.09e03af1@5400
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The original quirk should match to GA403U so that the full
range of GA403U models can benefit.
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Link: https://lore.kernel.org/r/20240831003905.1060977-1-luke@ljones.dev
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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In case of error in build_tokens_sysfs(), all the memory that has been
allocated is freed at end of this function. But then free_group() is
called which performs memory deallocation again.
Also, instead of free_group() call, there should be exit_dell_smbios_smm()
and exit_dell_smbios_wmi() calls, since there is initialization, but there
is no release of resources in case of an error.
Fix these issues by replacing free_group() call with
exit_dell_smbios_wmi() and exit_dell_smbios_smm().
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: 33b9ca1e53b4 ("platform/x86: dell-smbios: Add a sysfs interface for SMBIOS tokens")
Signed-off-by: Aleksandr Mishin <amishin@t-argos.ru>
Link: https://lore.kernel.org/r/20240830065428.9544-1-amishin@t-argos.ru
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Merge thermal core updates for 6.12 which, among other things, rework
the thermal driver interface for binding cooling devices to thermal
zones and add a thermal core testing module:
- Update some thermal drivers to eliminate thermal_zone_get_trip()
calls from them and get rid of that function (Rafael Wysocki).
- Update the thermal sysfs code to store trip point attributes in trip
descriptors and get to trip points via attribute pointers (Rafael
Wysocki).
- Move the computation of the low and high boundaries for
thermal_zone_set_trips() to __thermal_zone_device_update() (Daniel
Lezcano).
- Introduce a debugfs-based facility for thermal core testing (Rafael
Wysocki).
- Replace the thermal zone .bind() and .unbind() callbacks for binding
cooling devices to thermal zones with one .should_bind() callback
used for deciding whether or not a given cooling devices should be
bound to a given trip point in a given thermal zone (Rafael Wysocki).
- Eliminate code that has no more users after the other changes, drop
some redundant checks from the thermal core and clean it up (Rafael
Wysocki).
- Fix rounding of delay jiffies in the thermal core (Rafael Wysocki).
* thermal-core: (31 commits)
thermal: core: Drop tz field from struct thermal_instance
thermal: core: Drop redundant checks from thermal_bind_cdev_to_trip()
thermal: core: Rename cdev-to-thermal-zone bind/unbind functions
thermal: core: Fix rounding of delay jiffies
thermal: core: Clean up trip bind/unbind functions
thermal: core: Drop unused bind/unbind functions and callbacks
thermal/of: Use the .should_bind() thermal zone callback
thermal: imx: Use the .should_bind() thermal zone callback
mlxsw: core_thermal: Use the .should_bind() thermal zone callback
platform/x86: acerhdf: Use the .should_bind() thermal zone callback
thermal: core: Unexport thermal_bind_cdev_to_trip() and thermal_unbind_cdev_from_trip()
thermal: ACPI: Use the .should_bind() thermal zone callback
thermal: core: Introduce .should_bind() thermal zone callback
thermal: core: Move thermal zone locking out of bind/unbind functions
thermal: sysfs: Use the dev argument in instance-related show/store
thermal: core: Drop redundant thermal instance checks
thermal: core: Rearrange checks in thermal_bind_cdev_to_trip()
thermal: core: Fold two functions into their respective callers
thermal: Introduce a debugfs-based testing facility
thermal/core: Compute low and high boundaries in thermal_zone_device_update()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform drivers fixes from Ilpo Järvinen:
- platform/x86/amd/pmc: AMD 1Ah model 60h series support (2nd attempt)
- asus-wmi: Prevent spurious rfkill on Asus Zenbook Duo
- x86-android-tablets: Relax DMI match to cover another model
* tag 'platform-drivers-x86-v6.11-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: x86-android-tablets: Make Lenovo Yoga Tab 3 X90F DMI match less strict
platform/x86: asus-wmi: Fix spurious rfkill on UX8406MA
platform/x86/amd/pmc: Extend support for PMC features on new AMD platform
platform/x86/amd/pmc: Fix SMU command submission path on new AMD platform
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Use modern string_choices API instead of manually determining the
output using ternary operator.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240821120458.3702655-1-andriy.shevchenko@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The scope of uncore control is per power domain with TPMI.
There are two types of processor topologies can be presented by CPUID
extended topology leaf irrespective of the hardware architecture:
1. A die is not enumerated in CPUID. In this case there is only one die
in a package is visible. In this case there can be multiple power domains
in a single die.
2. A power domain in a package is enumerated as a die in CPUID. So
there is one power domain per die.
To allow die level controls, the current implementation creates a root
domain and aggregates all information from power domains in it. This
is well suited for configuration 1 above.
But for configuration 2 above, the root domain will present the same
information as present by power domain. So, no use of aggregating. To
check the configuration, call topology_max_dies_per_package(). If it is
more than one, avoid creating root domain.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240820204558.1296319-1-srinivas.pandruvada@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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less strict
There are 2G and 4G RAM versions of the Lenovo Yoga Tab 3 X90F and it
turns out that the 2G version has a DMI product name of
"CHERRYVIEW D1 PLATFORM" where as the 4G version has
"CHERRYVIEW C0 PLATFORM". The sys-vendor + product-version check are
unique enough that the product-name check is not necessary.
Drop the product-name check so that the existing DMI match for the 4G
RAM version also matches the 2G RAM version.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240825132415.8307-1-hdegoede@redhat.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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The Asus Zenbook Duo (UX8406MA) has a keyboard which can be
placed on the laptop to connect it via USB, or can be removed from the
laptop to reveal a hidden secondary display in which case the keyboard
operates via Bluetooth.
When it is placed on the secondary display to connect via USB, it emits
a keypress for a wireless disable. This causes the rfkill system to be
activated disconnecting the current wifi connection, which doesn't
reflect the user's true intention.
Detect this hardware and suppress any wireless switches from the
keyboard; this keyboard does not have a wireless toggle capability so
these presses are always spurious.
Signed-off-by: Mathieu Fenniak <mathieu@fenniak.net>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240823135630.128447-1-mathieu@fenniak.net
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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In commit # 0a3e4e94d137 ("platform/x86/intel/ifs: Add SBAF test image
loading support"), the documentation for "Structural Based Functional
Test at Field (SBAF)" had an incomplete underline. This resulted in the
following build warning:
Documentation/arch/x86/ifs:2: drivers/platform/x86/intel/ifs/ifs.h:131: WARNING: Title underline too short.
Fix it by extending the dotted lines to match the length of the title.
Fixes: 0a3e4e94d137 ("platform/x86/intel/ifs: Add SBAF test image loading support")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/lkml/20240820134354.2aec355d@canb.auug.org.au/T/#u
Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Reviewed-by: Jithu Joseph <jithu.joseph@intel.com>
Link: https://lore.kernel.org/r/20240823184337.2923179-1-sathyanarayanan.kuppuswamy@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Fix backlight control on a Dell All In One system where a backlight
controller board is attached to a UART port and the dell-uart
backlight driver binds to it, but the backlight is actually controlled
by other means (Hans de Goede)"
* tag 'acpi-6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: video: Add backlight=native quirk for Dell OptiPlex 7760 AIO
platform/x86: dell-uart-backlight: Use acpi_video_get_backlight_type()
ACPI: video: Add Dell UART backlight controller detection
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Let the kememdup_array() take care about multiplication and possible
overflows.
Signed-off-by: Yu Jiaoliang <yujiaoliang@vivo.com>
Link: https://lore.kernel.org/r/20240823024056.3031644-1-yujiaoliang@vivo.com
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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PMC driver has capability to get the idle mask values and STB data from
the PMFW. Extend this support to the platforms that belong to family 1Ah
model 60h series.
Co-developed-by: Sanket Goswami <Sanket.Goswami@amd.com>
Signed-off-by: Sanket Goswami <Sanket.Goswami@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20240822095357.395808-2-Shyam-sundar.S-k@amd.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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The commit 426463d94d45 ("platform/x86/amd/pmc: Send OS_HINT command for
new AMD platform") was introduced to enable sending mailbox commands to
PMFW on newer platforms. However, it was later discovered that the commit
did not configure the correct message port ID (i.e., S2D or PMC). Without
this configuration, all command submissions to PMFW are treated as
invalid, leading to command failures.
To address this issue, the CPU ID association for the new platform needs
to be added in amd_pmc_get_ip_info(). This ensures that the correct SMU
port IDs are selected.
Fixes: 426463d94d45 ("platform/x86/amd/pmc: Send OS_HINT command for new AMD platform")
Co-developed-by: Sanket Goswami <Sanket.Goswami@amd.com>
Signed-off-by: Sanket Goswami <Sanket.Goswami@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20240822095357.395808-1-Shyam-sundar.S-k@amd.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Make the acerhdf driver use the .should_bind() thermal zone
callback to provide the thermal core with the information on whether or
not to bind the given cooling device to the given trip point in the
given thermal zone. If it returns 'true', the thermal core will bind
the cooling device to the trip and the corresponding unbinding will be
taken care of automatically by the core on the removal of the involved
thermal zone or cooling device.
The previously existing acerhdf_bind() function bound cooling devices
to thermal trip point 0 only, so the new callback needs to return 'true'
for trip point 0. However, it is straightforward to observe that trip
point 0 is an active trip point and the only other trip point in the
driver's thermal zone is a critical one, so it is sufficient to return
'true' from that callback if the type of the given trip point is
THERMAL_TRIP_ACTIVE.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Peter Kästle <peter@piie.net>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://patch.msgid.link/3779411.MHq7AAxBmi@rjwysocki.net
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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Ilpo Järvinen:
- ISST: Fix an error-handling corner case
- platform/surface: aggregator: Minor corner case fix and new HW
support
* tag 'platform-drivers-x86-v6.11-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: ISST: Fix return value on last invalid resource
platform/surface: aggregator: Fix warning when controller is destroyed in probe
platform/surface: aggregator_registry: Add support for Surface Laptop 6
platform/surface: aggregator_registry: Add fan and thermal sensor support for Surface Laptop 5
platform/surface: aggregator_registry: Add support for Surface Laptop Studio 2
platform/surface: aggregator_registry: Add support for Surface Laptop Go 3
platform/surface: aggregator_registry: Add Support for Surface Pro 10
platform/x86: asus-wmi: Add quirk for ROG Ally X
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When only the last resource is invalid, tpmi_sst_dev_add() is returing
error even if there are other valid resources before. This function
should return error when there are no valid resources.
Here tpmi_sst_dev_add() is returning "ret" variable. But this "ret"
variable contains the failure status of last call to sst_main(), which
failed for the invalid resource. But there may be other valid resources
before the last entry.
To address this, do not update "ret" variable for sst_main() return
status.
If there are no valid resources, it is already checked for by !inst
below the loop and -ENODEV is returned.
Fixes: 9d1d36268f3d ("platform/x86: ISST: Support partitioned systems")
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: stable@vger.kernel.org # 6.10+
Link: https://lore.kernel.org/r/20240816163626.415762-1-srinivas.pandruvada@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Fan control on the E531 is done using the ACPI methods FANG and
FANW. The correct parameters and register values were found by
analyzing EC firmware as well as DSDT. This has been tested on
my Thinkpad Edge E531 (6885CTO, BIOS HEET52WW 1.33).
Signed-off-by: Matthias Fetzer <kontakt@matthias-fetzer.de>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240816141228.134529-1-kontakt@matthias-fetzer.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The dell-uart-backlight driver supports backlight control on Dell All In
One (AIO) models using a backlight controller board connected to an UART.
In DSDT this uart port will be defined as:
Name (_HID, "DELL0501")
Name (_CID, EisaId ("PNP0501")
Now the first AIO has turned up which has not only the DSDT bits for this,
but also an actual controller attached to the UART, yet it is not using
this controller for backlight control.
Use the acpi_video_get_backlight_type() function from the ACPI video-detect
code to check if the dell-uart-backlight driver should actually be used.
This allows reusing the existing ACPI video-detect infra to override
the backlight control method on the commandline or with DMI quirks.
Fixes: 484bae9e4d6a ("platform/x86: Add new Dell UART backlight driver")
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://patch.msgid.link/20240814190159.15650-3-hdegoede@redhat.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Change the Kconfig dependency so that it doesn't require both I2C and SPI
subsystems to be built. Make a few small changes to the code so that the
code for a bus is only called if the bus is being built.
When SPI support was added to serial-multi-instantiate it created a
dependency that both CONFIG_I2C and CONFIG_SPI must be enabled.
Typically they are, but there's no reason why this should be a
requirement. A specific kernel build could have only I2C devices
or only SPI devices. It should be possible to use serial-multi-instantiate
if only I2C or only SPI is enabled.
The dependency formula used is:
depends on (I2C && !SPI) || (!I2C && SPI) || (I2C && SPI)
The advantage of this approach is that if I2C=m or SPI=m then
SERIAL_MULTI_INSTANTIATE is limited to n/m.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20240814132939.308696-1-rf@opensource.cirrus.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Add basic support for registering the aggregator module on Device Tree-
based platforms. These include at least three generations of Qualcomm
Snapdragon-based Surface devices:
- SC8180X / SQ1 / SQ2: Pro X,
- SC8280XP / SQ3: Devkit 2023, Pro 9
- X Elite: Laptop 7 / Pro11
Thankfully, the aggregators on these seem to be configured in an
identical way, which allows for using these settings as defaults and
no DT properties need to be introduced (until that changes, anyway).
Based on the work done by Maximilian Luz, largely rewritten.
Signed-off-by: Konrad Dybcio <quic_kdybcio@quicinc.com>
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com>
Tested-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20240814-topic-sam-v3-3-a84588aad233@quicinc.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The LEGX0820 ACPI device is expected to provide a custom operation
region:
OperationRegion (XIN1, 0x8F, Zero, 0x04B0)
Field (XIN1, AnyAcc, Lock, Preserve)
{
DMSG, 8,
HDAP, 8,
Offset (0x03),
AFNM, 8,
Offset (0x10),
P80B, 8,
P81B, 8,
P82B, 8,
P83B, 8,
P84B, 8,
P85B, 8,
P86B, 8,
P87B, 8,
Offset (0x20),
DTTM, 8,
TMP1, 8,
LTP1, 8,
HTP1, 8,
TMP2, 8,
LTP2, 8,
HTP2, 8,
Offset (0x3E8),
PMSG, 1600
}
The PMSG field is used by AML code to log debug messages when DMSG is
true. Since those debug messages are already logged using the standard
ACPI Debug object, we set DMSG unconditionally to 0x00 and ignore any
writes to PMSG.
The TMPx, LTPx, HTPx and AFNM fields are used to inform the driver when
the temperature/(presumably) trip points/fan mode changes. This only
happens when the DTTM flag is set.
Unfortunately we have to implement support for this operation region
because the AML codes uses code constructs like this one:
If (((\_SB.XINI.PLAV != Zero) && (\_SB.XINI.DTTM != Zero)))
The PLAV field gets set to 1 when the driver registers its address space
handler, so by default XIN1 should not be accessed.
However ACPI does not use short-circuit evaluation when evaluating
logical conditions. This causes the DTTM field to be accessed even
when PLAV is 0, which results in an ACPI error.
Since this check happens inside various thermal-related ACPI control
methods, various thermal zone become unusable since any attempt to
read their temperature results in an ACPI error.
Fix this by providing support for this operation region. I suspect
that the problem does not happen under Windows (which seemingly does
not use short-circuit evaluation either) because the necessary driver
comes preinstalled with the machine.
Tested-by: Chris <ghostwind@gmail.com>
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20240813022903.20567-1-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The SMU metrics table has been revised for the 1AH family series.
Introduce a new metrics table structure to retrieve comprehensive metrics
information from the PMFW. This information will be utilized by the PMF
driver to adjust system thermals.
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Co-developed-by: Patil Rajesh Reddy <Patil.Reddy@amd.com>
Signed-off-by: Patil Rajesh Reddy <Patil.Reddy@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Link: https://lore.kernel.org/r/20240819063404.378061-2-Shyam-sundar.S-k@amd.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The CPU ID macros are needed by the Smart PC builder. Therefore, transfer
the CPU ID macros from core.c to the common PMF header file.
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Co-developed-by: Patil Rajesh Reddy <Patil.Reddy@amd.com>
Signed-off-by: Patil Rajesh Reddy <Patil.Reddy@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Link: https://lore.kernel.org/r/20240819063404.378061-1-Shyam-sundar.S-k@amd.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The APMF function 14 (Notify Smart PC Solution Updates) allows the BIOS
(AMD/OEM) to be informed about the outputs of custom Smart PC policies.
Enhance the PMF driver to invoke APMF function 14 when these custom policy
outputs are triggered.
Co-developed-by: Patil Rajesh Reddy <Patil.Reddy@amd.com>
Signed-off-by: Patil Rajesh Reddy <Patil.Reddy@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Link: https://lore.kernel.org/r/20240812131839.308768-1-Shyam-sundar.S-k@amd.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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pmc_for_each_mode() takes i (index) variable name as a parameter but
the loop index is not used by any of the callers. Make the index
variable internal to pmc_for_each_mode().
This also changes the loop logic such that ->lpm_en_modes[] is never
read beyond num_lpm_modes.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240806083047.1562-1-ilpo.jarvinen@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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There is a small window in ssam_serial_hub_probe() where the controller
is initialized but has not been started yet. Specifically, between
ssam_controller_init() and ssam_controller_start(). Any failure in this
window, for example caused by a failure of serdev_device_open(),
currently results in an incorrect warning being emitted.
In particular, any failure in this window results in the controller
being destroyed via ssam_controller_destroy(). This function checks the
state of the controller and, in an attempt to validate that the
controller has been cleanly shut down before we try and deallocate any
resources, emits a warning if that state is not SSAM_CONTROLLER_STOPPED.
However, since we have only just initialized the controller and have not
yet started it, its state is SSAM_CONTROLLER_INITIALIZED. Note that this
is the only point at which the controller has this state, as it will
change after we start the controller with ssam_controller_start() and
never revert back. Further, at this point no communication has taken
place and the sender and receiver threads have not been started yet (and
we may not even have an open serdev device either).
Therefore, it is perfectly safe to call ssam_controller_destroy() with a
state of SSAM_CONTROLLER_INITIALIZED. This, however, means that the
warning currently being emitted is incorrect. Fix it by extending the
check.
Fixes: c167b9c7e3d6 ("platform/surface: Add Surface Aggregator subsystem")
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20240811124645.246016-1-luzmaximilian@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Add SAM client device nodes for the Surface Laptop Studio 6 (SL6). The
SL6 is similar to the SL5, with the typical battery/AC, platform
profile, and HID nodes. It also has support for the newly supported fan
interface.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20240811131948.261806-6-luzmaximilian@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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for Surface Laptop 5
The EC on the Surface Laptop 5 exposes the fan interface. With the
recently introduced driver for it, we can now also enable it here. In
addition, also enable the thermal sensor interface.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20240811131948.261806-5-luzmaximilian@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Add SAM client device nodes for the Surface Laptop Studio 2 (SLS2). The
SLS2 is quite similar to the SLS1, but it does not provide the touchpad
as a SAM-HID device. Therefore, add a new node group for the SLS2 and
update the comments accordingly. In addition, it uses the new fan
control interface.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20240811131948.261806-4-luzmaximilian@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Add SAM client device nodes for the Surface Laptop Go 3. It seems to use
the same SAM client devices as the Surface Laptop Go 1 and 2, so re-use
their node group.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20240811131948.261806-3-luzmaximilian@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Add SAM client device nodes for the Surface Pro 10. It seems to use the
same SAM client devices as the Surface Pro 9, so re-use its node group.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20240811131948.261806-2-luzmaximilian@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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The new ROG Ally X functions the same as the previus model so we can use
the same method to ensure the MCU USB devices wake and reconnect
correctly.
Given that two devices marks the start of a trend, this patch also adds
a quirk table to make future additions easier if the MCU is the same.
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240805234603.38736-1-luke@ljones.dev
Signed-off-by: Ilpo Järvinen <ilpo |
