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@xxxxxxxxx> >Sent: Tuesday, November 19, 2024 3:09 AM >To: Cao, Bingbu <bingbu.cao@xxxxxxxxx>; sakari.ailus@xxxxxxxxxxxxxxx >Cc: linux-kernel@xxxxxxxxxxxxxxx; linux-media@xxxxxxxxxxxxxxx >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@xxxxxxxxx> >>> Sent: Saturday, November 16, 2024 2:06 PM >>> To: Cao, Bingbu<bingbu.cao@xxxxxxxxx>;sakari.ailus@xxxxxxxxxxxxxxx >>> Cc:linux-kernel@xxxxxxxxxxxxxxx;linux-media@xxxxxxxxxxxxxxx >>> 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