diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/admin-guide/laptops/thinkpad-acpi.rst | 7 | ||||
| -rw-r--r-- | Documentation/arch/x86/amd_hsmp.rst | 7 | ||||
| -rw-r--r-- | Documentation/wmi/acpi-interface.rst | 5 |
3 files changed, 14 insertions, 5 deletions
diff --git a/Documentation/admin-guide/laptops/thinkpad-acpi.rst b/Documentation/admin-guide/laptops/thinkpad-acpi.rst index 98d30401017012..7f674a6cfa8a7b 100644 --- a/Documentation/admin-guide/laptops/thinkpad-acpi.rst +++ b/Documentation/admin-guide/laptops/thinkpad-acpi.rst @@ -444,7 +444,9 @@ event code Key Notes 0x1008 0x07 FN+F8 IBM: toggle screen expand Lenovo: configure UltraNav, - or toggle screen expand + or toggle screen expand. + On newer platforms (2024+) + replaced by 0x131f (see below) 0x1009 0x08 FN+F9 - @@ -504,6 +506,9 @@ event code Key Notes 0x1019 0x18 unknown +0x131f ... FN+F8 Platform Mode change. + Implemented in driver. + ... ... ... 0x1020 0x1F unknown diff --git a/Documentation/arch/x86/amd_hsmp.rst b/Documentation/arch/x86/amd_hsmp.rst index c92bfd55359f2e..1e499ecf5f4ef4 100644 --- a/Documentation/arch/x86/amd_hsmp.rst +++ b/Documentation/arch/x86/amd_hsmp.rst @@ -13,7 +13,8 @@ set of mailbox registers. More details on the interface can be found in chapter "7 Host System Management Port (HSMP)" of the family/model PPR -Eg: https://www.amd.com/system/files/TechDocs/55898_B1_pub_0.50.zip +Eg: https://www.amd.com/content/dam/amd/en/documents/epyc-technical-docs/programmer-references/55898_B1_pub_0_50.zip + HSMP interface is supported on EPYC server CPU models only. @@ -97,8 +98,8 @@ what happened. The transaction returns 0 on success. More details on the interface and message definitions can be found in chapter "7 Host System Management Port (HSMP)" of the respective family/model PPR -eg: https://www.amd.com/system/files/TechDocs/55898_B1_pub_0.50.zip +eg: https://www.amd.com/content/dam/amd/en/documents/epyc-technical-docs/programmer-references/55898_B1_pub_0_50.zip User space C-APIs are made available by linking against the esmi library, -which is provided by the E-SMS project https://developer.amd.com/e-sms/. +which is provided by the E-SMS project https://www.amd.com/en/developer/e-sms.html. See: https://github.com/amd/esmi_ib_library diff --git a/Documentation/wmi/acpi-interface.rst b/Documentation/wmi/acpi-interface.rst index d31af0ed9c0836..06fb7fcf44134a 100644 --- a/Documentation/wmi/acpi-interface.rst +++ b/Documentation/wmi/acpi-interface.rst @@ -93,4 +93,7 @@ _WED ACPI method ---------------- Used to retrieve additional WMI event data, its single parameter is a integer -holding the notification ID of the event. +holding the notification ID of the event. This method should be evaluated every +time an ACPI notification is received, since some ACPI implementations use a +queue to store WMI event data items. This queue will overflow after a couple +of WMI events are received without retrieving the associated WMI event data. |