linux-kernel - Re: [BUG 0/5] bug reports for atomisp to make it work

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Date:   Wed, 20 Oct 2021 21:35:57 +0900
From:   Tsuchiya Yuto <kitakar@...il.com>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:     Hans de Goede <hdegoede@...hat.com>,
        Patrik Gfeller <patrik.gfeller@...il.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Arnd Bergmann <arnd@...db.de>,
        Kaixu Xia <kaixuxia@...cent.com>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        linux-media@...r.kernel.org, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: Re: [BUG 0/5] bug reports for atomisp to make it work

On Wed, 2021-10-20 at 07:48 +0100, Mauro Carvalho Chehab wrote:
> Em Mon, 18 Oct 2021 01:23:31 +0900
> Tsuchiya Yuto <kitakar@...il.com> escreveu:
> 
> > Hi all,
> > 
> > These mails contain RFC patches, which are almost bug report and some
> > are just bug report, for atomisp to work (again). Tested on Microsoft
> > Surface 3 (Windows) and Xiaomi Mi Pad 2 (Android model) with v5.15-rc5.
> > Both are Cherry Trail (ISP2401) devices.
> 
> Before start looking at the patches, let me check if I got it right:
> 
> Should this series be applied after the series you sent earlier[1]?
> 
> [1] The series which starts with this one:
> 	 [PATCH 00/17] various fixes for atomisp to make it work

Hi, thank you for looking into this.

This series (RFC patches and BUG reports) does not depend on the series
I sent earlier ("various fixes for atomisp to make it work"). So, these
bugs here can be looked into anytime.

Especially, the bug that causes NULL pointer dereference on some setup
("[BUG/RFC PATCH 3/5] [BUG][RFC] media: atomisp: pci: add NULL check for
asd obtained from atomisp_video_pipe") is somewhat a critical issue and
it'd be great if it's fixed in a proper way as soon as possible.

Regards,
Tsuchiya Yuto