https://bugzilla.kernel.org/show_bug.cgi?id=205851

Zhang Rui (rui.zh...@intel.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rui.zh...@intel.com

--- Comment #14 from Zhang Rui (rui.zh...@intel.com) ---
$ grep TPD0 *.dsl
dsdt.dsl:        Device (TPD0)
dsdt.dsl:            CreateWordField (SBFB, \_SB.PCI0.I2C0.TPD0._Y38._ADR,
BADR)  // _ADR: Address
dsdt.dsl:            CreateDWordField (SBFB, \_SB.PCI0.I2C0.TPD0._Y38._SPE,
SPED)  // _SPE: Speed
dsdt.dsl:            CreateDWordField (SBFI, \_SB.PCI0.I2C0.TPD0._Y39._INT,
INT2)  // _INT: Interrupts
dsdt.dsl:                    Return (SBFI) /* \_SB_.PCI0.I2C0.TPD0.SBFI */
ssdt1.dsl:    External (_SB_.PCI0.I2C0.TPD0, DeviceObj)
ssdt1.dsl:    External (_SB_.PCI0.I2C2.TPD0, DeviceObj)
ssdt1.dsl:    External (_SB_.PCI0.I2C2.TPD0._STA, MethodObj)    // 0 Arguments
ssdt1.dsl:        Scope (TPD0)
ssdt1.dsl:                    Return (TD_P) /* \_SB_.PCI0.I2C2.TPD0.TD_P */
ssdt1.dsl:                    Return (TD_P) /* \_SB_.PCI0.I2C2.TPD0.TD_P */

only \_SB.PCI0.I2C0.TPD0 is defined.

$ grep TPL1 *.dsl
ssdt1.dsl:    External (_SB_.PCI0.I2C1.TPL1, DeviceObj)
ssdt1.dsl:    External (_SB_.PCI0.I2C3.TPL1, DeviceObj)
ssdt1.dsl:    External (_SB_.PCI0.I2C3.TPL1._STA, MethodObj)    // 0 Arguments
ssdt1.dsl:        Scope (TPL1)
ssdt1.dsl:                    Return (TD_P) /* \_SB_.PCI0.I2C3.TPL1.TD_P */
ssdt1.dsl:                    Return (TD_P) /* \_SB_.PCI0.I2C3.TPL1.TD_P */

No TPC1 device object defined.

This looks like a BIOS bug to me.

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