Re: [PATCH v2] wifi: ath11k: apply existing PM quirk to ThinkPad P14s Gen 5 AMD

[Baochen Qiang]

On 3/31/2026 2:32 PM, Kyle Farnung via B4 Relay wrote:
> From: Kyle Farnung <kfarnung@xxxxxxxxx>
> 
> Some ThinkPad P14s Gen 5 AMD systems experience suspend/resume
> reliability issues similar to those reported in [1]. These platforms

how similar it is? can you describe the issue in details?

> were not previously included in the ath11k PM quirk table.
> 
> Add DMI matches for product IDs 21ME and 21MF to apply the existing
> ATH11K_PM_WOW override, improving suspend/resume behavior on these
> systems.
> 
> Tested on a ThinkPad P14s Gen 5 AMD (21ME) running 6.19.9.
> 
> [1] https://bugzilla.kernel.org/show_bug.cgi?id=219196
> [2] https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-p-series-laptops/thinkpad-p14s-gen-5-type-21me-21mf/
> 
> Fixes: ce8669a27016 ("wifi: ath11k: determine PM policy based on machine model")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Kyle Farnung <kfarnung@xxxxxxxxx>
> ---
> Changes in v2:
> - Fix missing mailing list recipients (linux-wireless, ath11k, linux-kernel)
> - Link to v1: https://lore.kernel.org/r/20260330-p14s-pm-quirk-v1-1-cf2fa39cc2d5@xxxxxxxxx
> ---
>  drivers/net/wireless/ath/ath11k/core.c | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c
> index 3f6f4db5b7ee1aba79fd7526e5d59d068e0f4a2e..21d366224e75904feeae6cb9c93d9ef692d127fe 100644
> --- a/drivers/net/wireless/ath/ath11k/core.c
> +++ b/drivers/net/wireless/ath/ath11k/core.c
> @@ -1041,6 +1041,20 @@ static const struct dmi_system_id ath11k_pm_quirk_table[] = {
>  			DMI_MATCH(DMI_PRODUCT_NAME, "21D5"),
>  		},
>  	},
> +	{
> +		.driver_data = (void *)ATH11K_PM_WOW,
> +		.matches = { /* P14s G5 AMD #1 */
> +			DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
> +			DMI_MATCH(DMI_PRODUCT_NAME, "21ME"),
> +		},
> +	},
> +	{
> +		.driver_data = (void *)ATH11K_PM_WOW,
> +		.matches = { /* P14s G5 AMD #2 */
> +			DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
> +			DMI_MATCH(DMI_PRODUCT_NAME, "21MF"),
> +		},
> +	},
>  	{}
>  };
>  
> 
> ---
> base-commit: dbd94b9831bc52a1efb7ff3de841ffc3457428ce
> change-id: 20260330-p14s-pm-quirk-0a51ba19235f
> 
> Best regards,