Re: [PATCH] HID: intel-ish-hid: ipc: Specify no cache snooping on TGL and ADL

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On Fri, 17 Dec 2021, Ye Xiang wrote:

> Specify that both TGL and ADL don't support DMA cache snooping.
> 
> Signed-off-by: Ye Xiang <xiang.ye@xxxxxxxxx>
> ---
>  drivers/hid/intel-ish-hid/ipc/ipc.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/hid/intel-ish-hid/ipc/ipc.c b/drivers/hid/intel-ish-hid/ipc/ipc.c
> index 45e0c7b1c9ec..8ccb246b0114 100644
> --- a/drivers/hid/intel-ish-hid/ipc/ipc.c
> +++ b/drivers/hid/intel-ish-hid/ipc/ipc.c
> @@ -909,7 +909,11 @@ static uint32_t ish_ipc_get_header(struct ishtp_device *dev, int length,
>   */
>  static bool _dma_no_cache_snooping(struct ishtp_device *dev)
>  {
> -	return dev->pdev->device == EHL_Ax_DEVICE_ID;
> +	return (dev->pdev->device == EHL_Ax_DEVICE_ID ||
> +		dev->pdev->device == TGL_LP_DEVICE_ID ||
> +		dev->pdev->device == TGL_H_DEVICE_ID ||
> +		dev->pdev->device == ADL_S_DEVICE_ID ||
> +		dev->pdev->device == ADL_P_DEVICE_ID);
>  }

Applied, thank you.

-- 
Jiri Kosina
SUSE Labs




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