linux-kernel - Re: [PATCH 1/1] ACPI: scan: Ignore Dell XPS 9320 camera graph port nodes

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Date: Tue, 28 May 2024 19:09:53 +0200
From: Hans de Goede <hdegoede@...hat.com>
To: Sakari Ailus <sakari.ailus@...ux.intel.com>,
 Genes Lists <lists@...ience.com>
Cc: linux-kernel@...r.kernel.org, mchehab@...nel.org,
 hverkuil-cisco@...all.nl, laurent.pinchart@...asonboard.com,
 wentong.wu@...el.com, linux-media@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: Re: [PATCH 1/1] ACPI: scan: Ignore Dell XPS 9320 camera graph port
 nodes

Hi Sakari,

On 5/28/24 10:44 AM, Sakari Ailus wrote:
> Ignore camera related graph port nodes on Dell XPS 9320. They data in BIOS
> is buggy, just like it is for Dell XPS 9315. The corresponding software
> nodes are created by the ipu-bridge.
> 
> Signed-off-by: Sakari Ailus <sakari.ailus@...ux.intel.com>
> ---
> Hi,
> 
> Could you test this and see whether it fixes the warning?
> 
> The camera might work with this change, too.

Thank you I just received a Dell XPS 13 plus 9320 myself to use
for VSC testing and I can confirm that with this patch 6.10.0-rc1
works, including giving a picture with the libcamera software ISP +
3 small libcamera patches.

Regards,

Hans




> 
> - Sakari
> 
>  drivers/acpi/mipi-disco-img.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/acpi/mipi-disco-img.c b/drivers/acpi/mipi-disco-img.c
> index d05413a0672a..bf9a5cee32ac 100644
> --- a/drivers/acpi/mipi-disco-img.c
> +++ b/drivers/acpi/mipi-disco-img.c
> @@ -732,6 +732,12 @@ static const struct dmi_system_id dmi_ignore_port_nodes[] = {
>  			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "XPS 9315"),
>  		},
>  	},
> +	{
> +		.matches = {
> +			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
> +			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "XPS 9320"),
> +		},
> +	},
>  	{ }
>  };
>