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

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Message-ID: <DM8PR11MB565358EF5A7F96CD1A364C5F99202@DM8PR11MB5653.namprd11.prod.outlook.com>
Date: Tue, 19 Nov 2024 04:26:09 +0000
From: "Cao, Bingbu" <bingbu.cao@...el.com>
To: Nicolas Lorin <androw95220@...il.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

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