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amd_hsmp and hsmp_acpi are intended to be mutually exclusive drivers and
amd_hsmp is for legacy platforms. To achieve this, it is essential to
check for the presence of the ACPI device in plat.c. If the hsmp ACPI
device entry is found, allow the hsmp_acpi driver to manage the hsmp
and return an error from plat.c.
Additionally, rename the driver from amd_hsmp to hsmp_acpi to prevent
"Driver 'amd_hsmp' is already registered, aborting..." error in case
both drivers are loaded simultaneously.
Also, support both platform device based and ACPI based probing for
family 0x1A models 0x00 to 0x0F, implement only ACPI based probing
for family 0x1A, models 0x10 to 0x1F. Return false from
legacy_hsmp_support() for this platform.
This aligns with the condition check in is_f1a_m0h().
Link: https://lore.kernel.org/platform-driver-x86/aALZxvHWmphNL1wa@gourry-fedora-PF4VCD3F/
Fixes: 7d3135d16356 ("platform/x86/amd/hsmp: Create separate ACPI, plat and common drivers")
Reviewed-by: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@amd.com>
Co-developed-by: Gregory Price <gourry@gourry.net>
Signed-off-by: Gregory Price <gourry@gourry.net>
Signed-off-by: Suma Hegde <suma.hegde@amd.com>
Link: https://lore.kernel.org/r/20250425102357.266790-1-suma.hegde@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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commit 376a8c2a14439 ("platform/x86/amd/pmf: Update PMF Driver for
Compatibility with new PMF-TA") added support for platforms that support
an updated TA, however it also exposed a number of platforms that although
they have support for the updated TA don't actually populate a policy
binary.
Add an explicit check that the policy binary isn't empty before
initializing the TA.
Reported-by: Christian Heusel <christian@heusel.eu>
Closes: https://lore.kernel.org/platform-driver-x86/ae644428-5bf2-4b30-81ba-0b259ed3449b@heusel.eu/
Fixes: 376a8c2a14439 ("platform/x86/amd/pmf: Update PMF Driver for Compatibility with new PMF-TA")
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Tested-by: Christian Heusel <christian@heusel.eu>
Link: https://lore.kernel.org/r/20250423132002.3984997-3-superm1@kernel.org
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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If a policy is passed into amd_pmf_get_pb_data() that causes the engine
to fail to start there is a memory leak. Free the memory in this failure
path.
Fixes: 10817f28e5337 ("platform/x86/amd/pmf: Add capability to sideload of policy binary")
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20250423132002.3984997-2-superm1@kernel.org
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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This is the new API for allocating DRM bridges.
Acked-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250424-drm-bridge-convert-to-alloc-api-v2-2-8f91a404d86b@bootlin.com
Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com>
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Pin C and D are used on C-to-C cable applications including docks,
and for USB-C adapters that convert from DP over USB-C to other
video standards.
Pin Assignment E is intended to be used with adapter from USB-C to DP
plugs or receptacles.
All Chromebook USB-C DFPs support DisplayPort Alternate Mode as the DP
Source with support for all 3 pin assignments. Pin Assignment E is required
in order to support if the user attaches a Pin E C-to-DP cable.
Without this, the displayport.c alt mode driver will error out of
dp_altmode_probe with an -ENODEV, as it cannot find a compatible matching
pin assignment between the DFP_D and UFP_D.
Fixes: dbb3fc0ffa95 ("platform/chrome: cros_ec_typec: Displayport support")
Signed-off-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Jameson Thies <jthies@google.com>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Link: https://lore.kernel.org/r/20250428174828.13939-1-bleung@chromium.org
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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The s2idle MMIO quirk uses a scratch register in the FCH.
Adjust the code to clarify that.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Cc: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Cc: Yazen Ghannam <yazen.ghannam@amd.com>
Cc: platform-driver-x86@vger.kernel.org
Link: https://lore.kernel.org/r/20250422234830.2840784-5-superm1@kernel.org
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The MT8186 Squirtle Chromebook is built with one of two possible
touchscreens. Let the prober probe for them.
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20250421101248.426929-9-wenst@chromium.org
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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Various MT8186 Corsola Chromebooks (squirtle, steelix and voltorb
families) have second source trackpads that need to be probed.
The power supply for these are always on and their reset/enable
lines are not exposed.
Add them to the probing list.
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20250421101248.426929-8-wenst@chromium.org
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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Debug log when remapping a pin/function because of a int3472_gpio_map[]
match.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: David Heidelberg <david@ixit.cz> # Dell Latitude 9440
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Link: https://lore.kernel.org/r/20250417111337.38142-10-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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New Intel Meteor Lake based laptops with IPU6 cameras have a new type 0x12
pin defined in the INT3472 sensor companion device which describes
the sensor's GPIOs.
This pin is primarily used on designs with a Lattice FPGA chip which is
capable of running the sensor independently of the main CPU for features
like presence detection. This pin needs to be driven high to make the FPGA
run the power-on sequence of the sensor. After driving the pin high,
the FPGA "firmware" needs 25ms to complete the power-on sequence.
Add support for this modelling the handshake pin as a GPIO driven "dvdd"
regulator with a 25 ms enable time. This model was chosen because:
1. Sensor chips don't have a handshake pin, so we need to abstract this
in some way which does not require modification to the sensor drivers,
sensor drivers using the bulk-regulator API to get avdd + vddio + dvdd
is normal. So this will work to get the right value set to the handshake
pin without requiring sensor driver modifications.
2. Sensors typically wait only a small time for the sensor to power-on
after de-asserting reset. Not the 25ms the Lattice chip requires.
Using the regulator framework's enable_time allows hiding the need for
this delay from the sensor drivers.
Link: https://lore.kernel.org/platform-driver-x86/59f672c3-6d87-4ec7-9b7f-f44fe2cce934@redhat.com/
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2341731
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: David Heidelberg <david@ixit.cz> # Dell Latitude 9440
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Link: https://lore.kernel.org/r/20250417111337.38142-9-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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Prepare the discrete code for registering more than 1 GPIO regulator.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: David Heidelberg <david@ixit.cz> # Dell Latitude 9440
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Link: https://lore.kernel.org/r/20250417111337.38142-8-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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Avoid the GPIO controlling the avdd regulator being driven low or high
for a very short time leading to spikes by adding an enable delay of 2 ms
and a minimum off to on delay of also 2 ms.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: David Heidelberg <david@ixit.cz> # Dell Latitude 9440
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Link: https://lore.kernel.org/r/20250417111337.38142-7-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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This is a preparation patch for registering multiple regulators, which
requires a different supply-name for each regulator. Make supply-name
a parameter to skl_int3472_register_regulator() and use con-id to set it
so that the existing int3472_gpio_map remapping can be used with it.
Since supply-name is a parameter now, drop the fixed
skl_int3472_regulator_map_supplies[] array and instead add lower- and
upper-case mappings of the passed-in supply-name to the regulator.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Tested-by: David Heidelberg <david@ixit.cz> # Dell Latitude 9440
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Link: https://lore.kernel.org/r/20250417111337.38142-6-hdegoede@redhat.com
[ij: GPIO_SUPPPLY_NAME_LENGTH -> GPIO_SUPPLY_NAME_LENGTH]
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Rework the discrete quirk handling to use a quirks struct which is
pointed to by a dmi_system_id table, rather then having a dmi_system_id
table per type of quirk.
This is a preparation patch for adding support for multiple regulators,
where not all regulators might be shared between sensors.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: David Heidelberg <david@ixit.cz> # Dell Latitude 9440
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Link: https://lore.kernel.org/r/20250417111337.38142-5-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 gpio field in struct int3472_gpio_regulator is only briefly used to
store the GPIO in skl_int3472_register_regulator(). Instead just store
the GPIO directly into cfg.ena_gpiod an drop the gpio field.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: David Heidelberg <david@ixit.cz> # Dell Latitude 9440
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Link: https://lore.kernel.org/r/20250417111337.38142-4-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 supply_name field is not mandatory and is supposed to be set to
the name of another regulator when it is known that the regulator being
registered is supplied by that other regulator.
Having a regulator supplying the regulator which is being registered does
not apply to the INT3472 GPIO regulator, stop setting a supply_name.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: David Heidelberg <david@ixit.cz> # Dell Latitude 9440
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Link: https://lore.kernel.org/r/20250417111337.38142-3-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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skl_int3472_register_dsm_clock() and skl_int3472_register_gpio_clock() are
80% the same code. Factor out the common code into a new
skl_int3472_register_clock() helper.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Tested-by: David Heidelberg <david@ixit.cz> # Dell Latitude 9440
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Link: https://lore.kernel.org/r/20250417111337.38142-2-hdegoede@redhat.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Enabling the compile test should not cause automatic enabling of all
drivers, but only allow to choose to compile them.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250417074648.81528-1-krzysztof.kozlowski@linaro.org
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Use a faux device parent for registering the platform_profile instead of
a "fake" platform device.
The faux bus is a minimalistic, single driver bus designed for this
purpose.
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Link: https://lore.kernel.org/r/20250411-dell-faux-v1-3-ea1f1c929b7e@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 choices bitmap belongs only to this thread, therefore we can use the
non-atomic version of set_bit().
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Link: https://lore.kernel.org/r/20250411-dell-faux-v1-2-ea1f1c929b7e@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 dell-pc module only supports the thermal management Dell SMBIOS
feature, therefore it is pointless to have it loaded if this is not
available.
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Link: https://lore.kernel.org/r/20250411-dell-faux-v1-1-ea1f1c929b7e@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 entries to unsupported WMI codes in ideapad_keymap[] and one
check for WMI code 0x13d to trigger platform_profile_cycle().
Signed-off-by: Gašper Nemgar <gasper.nemgar@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20250418070738.7171-1-gasper.nemgar@gmail.com
[ij: joined nested if ()s & major tweaks to changelog]
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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ASUS firmware resets OOBE state during S4 suspend, so the keyboard
blinks during resume from hibernation. This patch disables OOBE state
after resume from hibernation.
Signed-off-by: Pavel Nikulin <pavel@noa-labs.com>
Link: https://lore.kernel.org/r/20250418140706.1691-1-pavel@noa-labs.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Extend thermal control support to Alienware m15 R7.
Cc: stable@vger.kernel.org
Tested-by: Romain THERY <romain.thery@ik.me>
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Link: https://lore.kernel.org/r/20250419-m15-r7-v1-1-18c6eaa27e25@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 Pantherlake ACPI device ID to the Intel HID driver.
While there, clean up the device ID table to remove the ", 0" parts.
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Saranya Gopal <saranya.gopal@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20250421041332.830136-1-saranya.gopal@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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error handling
wmax_thermal_information() may also return -ENOMSG, which would leave
`id` uninitialized in thermal_profile_probe.
Reorder and modify logic to catch all errors.
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/Z_-KVqNbD9ygvE2X@stanley.mountain
Fixes: 27e9e6339896 ("platform/x86: alienware-wmi: Refactor thermal control methods")
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Link: https://lore.kernel.org/r/20250416-smatch-fix-v1-1-35491b462d8f@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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In certain situations, the sysfs for uncore may not be present when all
CPUs in a package are offlined and then brought back online after boot.
This issue can occur if there is an error in adding the sysfs entry due
to a memory allocation failure. Retrying to bring the CPUs online will
not resolve the issue, as the uncore_cpu_mask is already set for the
package before the failure condition occurs.
This issue does not occur if the failure happens during module
initialization, as the module will fail to load in the event of any
error.
To address this, ensure that the uncore_cpu_mask is not set until the
successful return of uncore_freq_add_entry().
Fixes: dbce412a7733 ("platform/x86/intel-uncore-freq: Split common and enumeration part")
Signed-off-by: Shouye Liu <shouyeliu@tencent.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20250417032321.75580-1-shouyeliu@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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When an APU exits HW sleep with no active wake sources the Linux kernel will
rapidly assert that the APU can enter back into HW sleep. This happens in a
few ms. Contrasting this to Windows, Windows can take 10s of seconds to
enter back into the resiliency phase for Modern Standby.
For some situations this can be problematic because it can cause leakage
from VDDCR_SOC to VDD_MISC and force VDD_MISC outside of the electrical
design guide specifications. On some designs this will trip the over
voltage protection feature (OVP) of the voltage regulator module, but it
could cause APU damage as well.
To prevent this risk, add an explicit sleep call so that future attempts
to enter into HW sleep will have enough time to settle. This will occur
while the screen is dark and only on cases that the APU should enter HW
sleep again, so it shouldn't be noticeable to any user.
Cc: stable@vger.kernel.org
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Acked-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Link: https://lore.kernel.org/r/20250414162446.3853194-1-superm1@kernel.org
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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The ACPI byte code inside the ACPI control method responsible for
handling the WMI method calls uses a global buffer for constructing
the return value, yet the ACPI control method itself is not marked
as "Serialized".
This means that calling WMI methods on this WMI device is not
thread-safe, as concurrent WMI method calls will corrupt the global
buffer.
Fix this by serializing the WMI method calls using a mutex.
Cc: stable@vger.kernel.org # 6.x.x: 912d614ac99e: platform/x86: msi-wmi-platform: Rename "data" variable
Fixes: 9c0beb6b29e7 ("platform/x86: wmi: Add MSI WMI Platform driver")
Tested-by: Antheas Kapenekakis <lkml@antheas.dev>
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20250414140453.7691-2-W_Armin@gmx.de
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Rename field 'counter' in 'mlxreg_core_hotplug_platform_data' to count.
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Link: https://lore.kernel.org/r/20250412091843.33943-2-vadimp@nvidia.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Rename the "data" variable inside msi_wmi_platform_read() to avoid
a name collision when the driver adds support for a state container
struct (that is to be called "data" too) in the future.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20250414140453.7691-1-W_Armin@gmx.de
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Extend thermal control support to:
- Alienware Area-51m R2
- Alienware m16 R1
- Alienware m16 R2
- Dell G16 7630
- Dell G5 5505 SE
Cc: stable@vger.kernel.org
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Link: https://lore.kernel.org/r/20250411-awcc-support-v1-2-09a130ec4560@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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Some users report the Alienware m16 R1 models, support G-Mode. This was
manually verified by inspecting their ACPI tables.
Cc: stable@vger.kernel.org
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Link: https://lore.kernel.org/r/20250411-awcc-support-v1-1-09a130ec4560@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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ccf395bde6ae ("platform/chrome: cros_ec_proto: Allow to build as module")
allows CROS_EC_PROTO to be a module.
The config is possible to be:
- CONFIG_ACPI=y
- CONFIG_CROS_EC=m
- CONFIG_MFD_CROS_EC_DEV=m
- CONFIG_CROS_EC_PROTO=m
- CONFIG_CROS_KBD_LED_BACKLIGHT=y
As a result:
ld: vmlinux.o: in function `keyboard_led_set_brightness_ec_pwm':
cros_kbd_led_backlight.c:(.text+0x3554e4c): undefined reference to `cros_ec_cmd_xfer_status'
ld: vmlinux.o: in function `keyboard_led_get_brightness_ec_pwm':
cros_kbd_led_backlight.c:(.text+0x3554f41): undefined reference to `cros_ec_cmd_xfer_status'
The built-in code in CROS_KBD_LED_BACKLIGHT can't find symbols defined in
the module CROS_EC_PROTO.
Let A=ACPI (bool), M=MFD_CROS_EC_DEV (tristate), and
K=CROS_KBD_LED_BACKLIGHT (tristate). The possible values are:
| A | M | choice for K |
------------------------
| y | y | y/m/n |
| y | m | m/n |
| y | n | y/m/n |
| n | y | y/m/n |
| n | m | m/n |
| n | n | n |
Fix the dependencies in the Kconfig.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Closes: https://lore.kernel.org/chrome-platform/ed8adc69-c505-4108-bf63-92911b0395c7@infradead.org/T/#u
Fixes: ccf395bde6ae ("platform/chrome: cros_ec_proto: Allow to build as module")
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20250414132427.204078-3-tzungbi@kernel.org
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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After applying 3a1d61dc3202 ("platform/chrome: cros_kbd_led_backlight:
Remove OF match"), cros_kbd_led_backlight no longer depends on CROS_EC
directly.
Remove the redundant dependency.
Fixes: 3a1d61dc3202 ("platform/chrome: cros_kbd_led_backlight: Remove OF match")
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20250414132427.204078-2-tzungbi@kernel.org
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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Collect AMD specific platform header files in <asm/amd/*.h>.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mario Limonciello <superm1@kernel.org>
Link: https://lore.kernel.org/r/20250413084144.3746608-7-mingo@kernel.org
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Collect AMD specific platform header files in <asm/amd/*.h>.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: Carlos Bilbao <carlos.bilbao@kernel.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mario Limonciello <superm1@kernel.org>
Cc: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@amd.com>
Link: https://lore.kernel.org/r/20250413084144.3746608-5-mingo@kernel.org
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Collect AMD specific platform header files in <asm/amd/*.h>.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mario Limonciello <superm1@kernel.org>
Link: https://lore.kernel.org/r/20250413084144.3746608-4-mingo@kernel.org
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Remove ioremap and iounmap operations that are not needed. ioremap
and iounmap operations are handled by the caller of the pmc_add_pmt
function.
Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Link: https://lore.kernel.org/r/20250409191056.15434-7-xi.pardee@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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telemetry.h header file from PMT is not needed in arl.c or mtl.c.
Remove the cross-driver include to avoid confusion.
Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20250409191056.15434-6-xi.pardee@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Convert the index variables type to be unsigned to avoid confusion
and error.
Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20250409191056.15434-5-xi.pardee@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Move PMC devid definition for each PMC of Arrow Lake and Meteor
Lake platforms to core.h. This patch is a preparation step to
introduce a new SSRAM Telemetry driver which will be using the
PMC devid.
Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20250409191056.15434-4-xi.pardee@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Rename core_ssram.c to ssram_telemetry.c. This patch is a
preparation step to introduce a new SSRAM Telemetry driver
for the SSRAM device.
Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20250409191056.15434-3-xi.pardee@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Move functions that implements PMC Core feature from core_ssram.c
to core.c. This patch is a preparation step to introduce a new
SSRAM Telemetry driver for the SSRAM device.
Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20250409191056.15434-2-xi.pardee@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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struct gpio_chip now has callbacks for setting line values that return
an integer, allowing to indicate failures. Convert the driver to using
them.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20250408-gpiochip-set-rv-platform-x86-v1-3-6f67e76a722c@linaro.org
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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struct gpio_chip now has callbacks for setting line values that return
an integer, allowing to indicate failures. Convert the driver to using
them.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20250408-gpiochip-set-rv-platform-x86-v1-2-6f67e76a722c@linaro.org
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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struct gpio_chip now has callbacks for setting line values that return
an integer, allowing to indicate failures. Convert the driver to using
them.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Acked-by: Peter Korsgaard <peter.korsgaard@barco.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20250408-gpiochip-set-rv-platform-x86-v1-1-6f67e76a722c@linaro.org
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Replace strcpy() and sprintf() for acpi_device_name/class() targets
with safer variant. In one case, scnprintf() is necessary but the
rest can use strscpy().
Link: https://lore.kernel.org/r/20250407170839.2153-1-ilpo.jarvinen@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Add a debugfs interface which exposes thermal private data.
Reviewed-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Link: https://lore.kernel.org/r/20250329-hwm-v7-9-a14ea39d8a94@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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All models with the "AWCC" WMAX device support a way of manually
controlling fans.
The PWM duty cycle of a fan can't be controlled directly. Instead the
AWCC interface let's us tune a fan `boost` value, which has the
following empirically discovered, approximate behavior over the PWM
value:
pwm = pwm_base + (fan_boost / 255) * (pwm_max - pwm_base)
Where the pwm_base is the locked PWM value controlled by the FW and
fan_boost is a value between 0 and 255.
Expose this fan_boost knob as a custom HWMON attribute.
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Jean Delvare <jdelvare@suse.com>
Cc: linux-hwmon@vger.kernel.org
Reviewed-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Link: https://lore.kernel.org/r/20250329-hwm-v7-8-a14ea39d8a94@gmail.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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