linux-kernel - Re: [PATCH v2 6/8] media: platform: amd: isp4 video node and buffers handling added

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <263874ef-46b9-4508-ab96-7fb311668faa@amd.com>
Date: Thu, 31 Jul 2025 17:45:58 +0800
From: "Du, Bin" <bin.du@....com>
To: Sultan Alsawaf <sultan@...neltoast.com>
Cc: mchehab@...nel.org, hverkuil@...all.nl,
 laurent.pinchart+renesas@...asonboard.com, bryan.odonoghue@...aro.org,
 sakari.ailus@...ux.intel.com, prabhakar.mahadev-lad.rj@...renesas.com,
 linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
 pratap.nirujogi@....com, benjamin.chan@....com, king.li@....com,
 gjorgji.rosikopulos@....com, Phil.Jawich@....com, Dominic.Antony@....com,
 bin.du@....com
Subject: Re: [PATCH v2 6/8] media: platform: amd: isp4 video node and buffers
 handling added

Thanks Sultan.

On 7/31/2025 8:34 AM, Sultan Alsawaf wrote:
> On Tue, Jul 29, 2025 at 03:43:14PM +0800, Du, Bin wrote:
>> Hi Sultan, really appreciate your time and effort
>>
>> On 7/28/2025 3:04 PM, Sultan Alsawaf wrote:
>>> I found more refcounting issues in addition to the ones from my other emails
>>> while trying to make my webcam work:
>>>

[snip]
>>   static const struct vb2_ops isp4vid_qops = {
>>   	.queue_setup = isp4vid_qops_queue_setup,
>> -	.buf_cleanup = isp4vid_qops_buffer_cleanup,
>>   	.buf_queue = isp4vid_qops_buffer_queue,
>>   	.start_streaming = isp4vid_qops_start_streaming,
>>   	.stop_streaming = isp4vid_qops_stop_streaming,
>> -- 
>> 2.34.1
> 
> The patch looks correct. I will get back to you on this after doing some testing
> myself.
> 
> FYI, I can only test these changes with the old isp4 driver right now, since the
> new isp4 driver doesn't work for me as mentioned in my other email. So far,
> something does seem wrong after these changes I suggested because they break the
> camera on the old isp4 driver too.
> 
> Sultan
Yes, seems so. At the same time, we are checking the new upstream isp4 
driver

Regards,
Bin