linux-kernel - Re: [PATCH 1/1] ACPI: scan: Ignore Dell XPS 9320 camera graph port nodes

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Date: Fri, 7 Jun 2024 09:24:37 +0000
From: Sakari Ailus <sakari.ailus@...ux.intel.com>
To: "Rafael J. Wysocki" <rafael@...nel.org>
Cc: Hans de Goede <hdegoede@...hat.com>, Genes Lists <lists@...ience.com>,
	linux-kernel@...r.kernel.org, mchehab@...nel.org,
	hverkuil-cisco@...all.nl, laurent.pinchart@...asonboard.com,
	wentong.wu@...el.com, linux-media@...r.kernel.org,
	linux-acpi@...r.kernel.org,
	"regressions@...ts.linux.dev" <regressions@...ts.linux.dev>
Subject: Re: [PATCH 1/1] ACPI: scan: Ignore Dell XPS 9320 camera graph port
 nodes

Hi Rafael,

On Fri, Jun 07, 2024 at 09:55:44AM +0200, Rafael J. Wysocki wrote:
> On Thu, Jun 6, 2024 at 8:12 PM Hans de Goede <hdegoede@...hat.com> wrote:
> >
> > Hi,
> >
> > +To: Rafael since this was Cc-ed to linux-acpi but never send
> > to Rafael directly.
> >
> > Rafael this fixes a crash in 6.10-rc1 for some users and is necessary
> > to make the cameras work on the Dell XPS 13 plus 9320 .
> >
> > On 5/28/24 7:09 PM, Hans de Goede wrote:
> > > Hi Sakari,
> > >
> > > On 5/28/24 10:44 AM, Sakari Ailus wrote:
> > >> Ignore camera related graph port nodes on Dell XPS 9320. They data in BIOS
> > >> is buggy, just like it is for Dell XPS 9315. The corresponding software
> > >> nodes are created by the ipu-bridge.
> > >>
> > >> Signed-off-by: Sakari Ailus <sakari.ailus@...ux.intel.com>
> > >> ---
> > >> Hi,
> > >>
> > >> Could you test this and see whether it fixes the warning?
> > >>
> > >> The camera might work with this change, too.
> > >
> > > Thank you I just received a Dell XPS 13 plus 9320 myself to use
> > > for VSC testing and I can confirm that with this patch 6.10.0-rc1
> > > works, including giving a picture with the libcamera software ISP +
> > > 3 small libcamera patches.
> >
> > I forgot to add:
> >
> > Tested-by: Hans de Goede <hdegoede@...hat.com>
> > Reviewed-by: Hans de Goede <hdegoede@...hat.com>
> 
> Applied as 6.10-rc material.

Thanks!

> 
> I've also added Reported-by and Closes tags to this, but I'm not sure
> which commit exactly is fixed by it, so the Fixes tag is missing.

That's fine. We don't know which systems have faulty camera graph in DSDT
so these are added as they're found.

-- 
Regards,

Sakari Ailus