Re: [PATCH] gpiolib: acpi: Add ignore_wake quirk for ASUS ZenBook UX425UA_UM425UA

[Mario Limonciello <mario.limonciello@amd.com>]

What is connected to this GPP3?

Can you please share your acpidump somewhere?

On 8/21/26 02:06, Kivan wrote:
> The ASUS ZenBook UX425UA_UM425UA (with AMD Ryzen 7 5700U SoC) fails
> to stay suspended in s2idle (Modern Standby), prematurely waking
> after 1-3 seconds with 0% hardware sleep achieved.
> 
> In the laptop's ACPI SSDT tables (SSDT15), GPIO Pin 24 (hex 0x18) is
> defined in _AEI as ExclusiveAndWake targeting the PCIe bridge device
> \_SB.PCI0.GPP3:
> 
>      GpioInt (Edge, ActiveLow, ExclusiveAndWake, PullNone, 0x0000,
>               "\\_SB.GPIO", ...) { 0x0018 }
> 
> When the SoC powers down PCIe root ports into low-power states during
> s2idle, an electrical edge transition triggers a spurious wake interrupt
> on GPIO Pin 24. This signals the AMD GPIO controller (AMDI0030:00 / IRQ 7
> via pinctrl_amd), aborting sleep across the system.
> 
> Booting with kernel parameter "gpiolib_acpi.ignore_wake=AMDI0030:00@24"
> completely resolves the issue: amd_gpio reports ignoring the wakeup on
> pin 24, and interrupt counts in /proc/interrupts remain at 0 during sleep
> cycles, allowing uninterrupted s2idle until intentionally woken by the
> user.
> 
> Add a DMI quirk entry to ignore wake events on AMDI0030:00@24 for this
> system.
> 
> Signed-off-by: Kivan <vaknins33@gmail.com>
> ---
>   drivers/gpio/gpiolib-acpi-quirks.c | 13 +++++++++++++
>   1 file changed, 13 insertions(+)
> 
> diff --git a/drivers/gpio/gpiolib-acpi-quirks.c b/drivers/gpio/gpiolib-acpi-quirks.c
> index a0116f0..dd4db58 100644
> --- a/drivers/gpio/gpiolib-acpi-quirks.c
> +++ b/drivers/gpio/gpiolib-acpi-quirks.c
> @@ -392,6 +392,19 @@ static const struct dmi_system_id gpiolib_acpi_quirks[] __initconst = {
>   			.ignore_wake = "VEN_0488:00@355",
>   		},
>   	},
> +	{
> +		/*
> +		 * Spurious wakeups from GPP3 PCIe bridge interrupt
> +		 * Found in BIOS UX425UA.301
> +		 */
> +		.matches = {
> +			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
> +			DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX425UA_UM425UA"),
> +		},
> +		.driver_data = &(struct acpi_gpiolib_dmi_quirk) {
> +			.ignore_wake = "AMDI0030:00@24",
> +		},
> +	},
>   	{} /* Terminating entry */
>   };
>