linux-kernel - Re: [BUG?] media: ipu6 / ov01a10 webcam not detected

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Message-ID: <fd7754e4-2d93-4d77-81d1-13326165cf6a@gmail.com>
Date: Mon, 25 Nov 2024 23:08:28 +0100
From: Nicolas Lorin <androw95220@...il.com>
To: "Cao, Bingbu" <bingbu.cao@...el.com>,
 "sakari.ailus@...ux.intel.com" <sakari.ailus@...ux.intel.com>
Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>
Subject: Re: [BUG?] media: ipu6 / ov01a10 webcam not detected

Thanks!
Got no help from Dell.

Somebody seems to have some clue here 
https://bugzilla.redhat.com/show_bug.cgi?id=2316918#c22

The non-secure mode doesn't seem to be an issue.

Nicolas Lorin

Le 19/11/2024 à 05:26, Cao, Bingbu a écrit :
> Nicolas,
>
> The IPU should be enforced to run in secure mode(not the `secure boot`)
> in product, no BIOS option for it. I suggest you get support from vendor
> to check.
>
> ------------------------------------------------------------------------
> BRs,
> Bingbu Cao
>
>> -----Original Message-----
>> From: Nicolas Lorin <androw95220@...il.com>
>> Sent: Tuesday, November 19, 2024 3:09 AM
>> To: Cao, Bingbu <bingbu.cao@...el.com>; sakari.ailus@...ux.intel.com
>> Cc: linux-kernel@...r.kernel.org; linux-media@...r.kernel.org
>> Subject: Re: [BUG?] media: ipu6 / ov01a10 webcam not detected
>>
>> Bingdu,
>>
>> How can I enforce secure mode? I didn't find any way to change that.
>>
>> The computer is running Dell BIOS firmware 1.24.0. What do you mean
>> with correct?
>>
>> Regards,
>>
>> Nicolas Lorin
>>
>> Le 18/11/2024 à 05:46, Cao, Bingbu a écrit :
>>> Nicolas,
>>>
>>> Why was your IPU device  running on non-secure mode?
>>> `intel-ipu6 0000:00:05.0: IPU6 in non-secure mode touch 0x0 mask
>> 0xff`
>>> Could you please confirm that you are running with a correct
>> IFWI(BIOS)?
>>>
>>> -------------------------------------------------------------------
>> ---
>>> --
>>> BRs,
>>> Bingbu Cao
>>>
>>>> -----Original Message-----
>>>> From: Nicolas Lorin<androw95220@...il.com>
>>>> Sent: Saturday, November 16, 2024 2:06 PM
>>>> To: Cao, Bingbu<bingbu.cao@...el.com>;sakari.ailus@...ux.intel.com
>>>> Cc:linux-kernel@...r.kernel.org;linux-media@...r.kernel.org
>>>> Subject: Re: [BUG?] media: ipu6 / ov01a10 webcam not detected
>>>>
>>>> Same thing on latest mainline:
>>>>
>>>>     󱞪 uname -a
>>>> Linux androwbook 6.12.0-rc7-1-git #1 SMP PREEMPT_DYNAMIC Fri, 15
>> Nov
>>>> 2024 23:35:35 +0000 x86_64 GNU/Linux
>>>>
>>>> dmesg also show this after stopping repeating the two lines:
>>>>
>>>> [   17.272302] pci 0000:00:05.0: deferred probe pending: intel-
>> ipu6:
>>>> IPU6 bridge init failed
>>>>
>>>> --
>>>> Nicolas Lorin