Merge tag 'platform-drivers-x86-v6.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver updates from Ilpo Järvinen:

 - alienware WMAX thermal interface support

 - Split ACPI and platform device based amd/hsmp drivers

 - AMD X3D frequency/cache mode switching support

 - asus thermal policy fixes

 - Disable C1 auto-demotion in suspend to allow entering the deepest
   C-states

 - Fix volume buttons on Thinkpad X12 Detachable Tablet Gen 1

 - Replace intel_scu_ipc "workaround" with 32-bit IO

 - Correct *_show() function error handling in panasonic-laptop

 - Gemini Lake P2SB devfn correction

 - think-lmi Admin/System certificate authentication support

 - Disable WMI devices for shutdown, refactoring continues

 - Vexia EDU ATLA 10 tablet support

 - Surface Pro 9 5G (Arm/QCOM) support

 - Misc cleanups / refactoring / improvements

* tag 'platform-drivers-x86-v6.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (69 commits)
  platform/x86: p2sb: Cache correct PCI bar for P2SB on Gemini Lake
  platform/x86: panasonic-laptop: Return errno correctly in show callback
  Documentation: alienware-wmi: Describe THERMAL_INFORMATION operation 0x02
  alienware-wmi: create_thermal_profile() no longer brute-forces IDs
  alienware-wmi: Adds support to Alienware x17 R2
  alienware-wmi: extends the list of supported models
  alienware-wmi: order alienware_quirks[] alphabetically
  platform/x86/intel/pmt: allow user offset for PMT callbacks
  platform/x86/amd/hsmp: Change the error type
  platform/x86/amd/hsmp: Add new error code and error logs
  platform/x86/amd: amd_3d_vcache: Add sysfs ABI documentation
  platform/x86/amd: amd_3d_vcache: Add AMD 3D V-Cache optimizer driver
  intel-hid: fix volume buttons on Thinkpad X12 Detachable Tablet Gen 1
  platform/x86/amd/hsmp: mark hsmp_msg_desc_table[] as maybe_unused
  platform/x86: asus-wmi: Use platform_profile_cycle()
  platform/x86: asus-wmi: Fix inconsistent use of thermal policies
  platform/x86: hp: hp-bioscfg: remove redundant if statement
  MAINTAINERS: Update ISHTP ECLITE maintainer entry
  platform/x86: x86-android-tablets: Add support for Vexia EDU ATLA 10 tablet
  platform/x86: x86-android-tablets: Add support for getting i2c_adapter by PCI parent devname()
  ...

Author: torvalds

Documentation/ABI/testing/sysfs-bus-platform-drivers-amd_x3d_vcache

@@ -0,0 +1,12 @@
+What:		/sys/bus/platform/drivers/amd_x3d_vcache/AMDI0101:00/amd_x3d_mode
+Date:		November 2024
+KernelVersion:	6.13
+Contact:	Basavaraj Natikar <Basavaraj.Natikar@amd.com>
+Description:	(RW) AMD 3D V-Cache optimizer allows users to switch CPU core
+		rankings dynamically.
+
+		This file switches between these two modes:
+		- "frequency" cores within the faster CCD are prioritized before
+		those in the slower CCD.
+		- "cache" cores within the larger L3 CCD are prioritized before
+		those in the smaller L3 CCD.

Documentation/ABI/testing/sysfs-class-firmware-attributes

@@ -193,7 +193,7 @@ Description:
 
 		mechanism:
 					The means of authentication.  This attribute is mandatory.
-					Only supported type currently is "password".
+					Supported types are "password" or "certificate".
 
 		max_password_length:
 					A file that can be read to obtain the
@@ -303,6 +303,7 @@ Description:
 					being configured allowing anyone to make changes.
 					After any of these operations the system must reboot for the changes to
 					take effect.
+					Admin and System certificates are supported from 2025 systems onward.
 
 		certificate_thumbprint:
 					Read only attribute used to display the MD5, SHA1 and SHA256 thumbprints

Documentation/arch/x86/amd_hsmp.rst

@@ -4,8 +4,9 @@
 AMD HSMP interface
 ============================================
 
-Newer Fam19h EPYC server line of processors from AMD support system
-management functionality via HSMP (Host System Management Port).
+Newer Fam19h(model 0x00-0x1f, 0x30-0x3f, 0x90-0x9f, 0xa0-0xaf),
+Fam1Ah(model 0x00-0x1f) EPYC server line of processors from AMD support
+system management functionality via HSMP (Host System Management Port).
 
 The Host System Management Port (HSMP) is an interface to provide
 OS-level software with access to system management functions via a
@@ -16,14 +17,25 @@ More details on the interface can be found in chapter
 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.
+HSMP interface is supported on EPYC line of server CPUs and MI300A (APU).
 
 
 HSMP device
 ============================================
 
-amd_hsmp driver under the drivers/platforms/x86/ creates miscdevice
-/dev/hsmp to let user space programs run hsmp mailbox commands.
+amd_hsmp driver under drivers/platforms/x86/amd/hsmp/ has separate driver files
+for ACPI object based probing, platform device based probing and for the common
+code for these two drivers.
+
+Kconfig option CONFIG_AMD_HSMP_PLAT compiles plat.c and creates amd_hsmp.ko.
+Kconfig option CONFIG_AMD_HSMP_ACPI compiles acpi.c and creates hsmp_acpi.ko.
+Selecting any of these two configs automatically selects CONFIG_AMD_HSMP. This
+compiles common code hsmp.c and creates hsmp_common.ko module.
+
+Both the ACPI and plat drivers create the miscdevice /dev/hsmp to let
+user space programs run hsmp mailbox commands.
+
+The ACPI object format supported by the driver is defined below.
 
 $ ls -al /dev/hsmp
 crw-r--r-- 1 root root 10, 123 Jan 21 21:41 /dev/hsmp
@@ -59,6 +71,51 @@ Note: lseek() is not supported as entire metrics table is read.
 Metrics table definitions will be documented as part of Public PPR.
 The same is defined in the amd_hsmp.h header.
 
+ACPI device object format
+=========================
+The ACPI object format expected from the amd_hsmp driver
+for socket with ID00 is given below::
+
+  Device(HSMP)
+		{
+			Name(_HID, "AMDI0097")
+			Name(_UID, "ID00")
+			Name(HSE0, 0x00000001)
+			Name(RBF0, ResourceTemplate()
+			{
+				Memory32Fixed(ReadWrite, 0xxxxxxx, 0x00100000)
+			})
+			Method(_CRS, 0, NotSerialized)
+			{
+				Return(RBF0)
+			}
+			Method(_STA, 0, NotSerialized)
+			{
+				If(LEqual(HSE0, One))
+				{
+					Return(0x0F)
+				}
+				Else
+				{
+					Return(Zero)
+				}
+			}
+			Name(_DSD, Package(2)
+			{
+				Buffer(0x10)
+				{
+					0x9D, 0x61, 0x4D, 0xB7, 0x07, 0x57, 0xBD, 0x48,
+					0xA6, 0x9F, 0x4E, 0xA2, 0x87, 0x1F, 0xC2, 0xF6
+				},
+				Package(3)
+				{
+					Package(2) {"MsgIdOffset", 0x00010934},
+					Package(2) {"MsgRspOffset", 0x00010980},
+					Package(2) {"MsgArgOffset", 0x000109E0}
+				}
+			})
+		}
+
 
 An example
 ==========