Re: [PATCH v4 1/3] media: ipu-bridge: Add DMI information of Lenovo X9 to the image upside-down list

[Sakari Ailus]

Hi Kate,

I know several people have given you different advices but...

On Tue, Jun 09, 2026 at 08:49:24PM +0800, Kate Hsuan wrote:
> The Lenovo X9 has an upside-down-mounted Sony IMX471 sensor so the image
> was displayed upside-down. Add the DMI information of Lenovo X9 to
> resolve the issue.
> 
> Signed-off-by: Kate Hsuan <hpa@xxxxxxxxxx>
> ---
>  drivers/media/pci/intel/ipu-bridge.c | 32 ++++++++++++++++++++++++++++
>  1 file changed, 32 insertions(+)
> 
> diff --git a/drivers/media/pci/intel/ipu-bridge.c b/drivers/media/pci/intel/ipu-bridge.c
> index fc6608e33de4..9e24aaceecdf 100644
> --- a/drivers/media/pci/intel/ipu-bridge.c
> +++ b/drivers/media/pci/intel/ipu-bridge.c
> @@ -134,6 +134,38 @@ static const struct dmi_system_id upside_down_sensor_dmi_ids[] = {
>  		},
>  		.driver_data = "OVTI02C1",
>  	},
> +	{
> +		/* Lenovo X9-14 */
> +		.matches = {
> +			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> +			DMI_MATCH(DMI_BOARD_NAME, "21QA"),
> +		},
> +		.driver_data = "SONY471A",
> +	},
> +	{
> +		/* Lenovo X9-14 */

How are the two X9-14's different? It'd be good to have some comment here
which model this actually is: the board name is only available (typically
at least) in DMI.

> +		.matches = {
> +			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> +			DMI_MATCH(DMI_BOARD_NAME, "21QB"),
> +		},
> +		.driver_data = "SONY471A",
> +	},
> +	{
> +		/* Lenovo X9-15 */
> +		.matches = {
> +			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> +			DMI_MATCH(DMI_BOARD_NAME, "21Q6"),
> +		},
> +		.driver_data = "SONY471A",
> +	},
> +	{
> +		/* Lenovo X9-15 */
> +		.matches = {
> +			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> +			DMI_MATCH(DMI_BOARD_NAME, "21Q7"),
> +		},
> +		.driver_data = "SONY471A",
> +	},
>  	{} /* Terminating entry */
>  };
>  

-- 
Kind regards,

Sakari Ailus