On Fri, 2021-12-17 at 15:45 +0800, Ye Xiang wrote:
> Specify that both TGL and ADL don't support DMA cache snooping.
>
> Signed-off-by: Ye Xiang <xiang.ye@xxxxxxxxx>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>
> ---
> 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);
> }
>
> static const struct ishtp_hw_ops ish_hw_ops = {
