linux-kernel - Re: [PATCH] Revert "wifi: iwlwifi: mvm: remove support for REDUCE_TX_POWER

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Message-ID: <CAMRc=MdtkAFJBGN1biaGDLjgwjuzJ=kjDzEWbrX+DX27e8jYhg@mail.gmail.com>
Date: Sun, 5 Oct 2025 10:38:05 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: "Korenblit, Miriam Rachel" <miriam.rachel.korenblit@...el.com>
Cc: "Berg, Johannes" <johannes.berg@...el.com>, 
	"Anjaneyulu, Pagadala Yesu" <pagadala.yesu.anjaneyulu@...el.com>, 
	"Grumbach, Emmanuel" <emmanuel.grumbach@...el.com>, Bhaskar Chowdhury <unixbhaskar@...il.com>, 
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>, "Peer, Ilan" <ilan.peer@...el.com>, 
	"Gabay, Daniel" <daniel.gabay@...el.com>, 
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>, 
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Revert "wifi: iwlwifi: mvm: remove support for
 REDUCE_TX_POWER_CMD ver 6 and 7"

On Sat, Oct 4, 2025 at 11:00 PM Korenblit, Miriam Rachel
<miriam.rachel.korenblit@...el.com> wrote:
>
>
>
> > -----Original Message-----
> > From: Bartosz Golaszewski <brgl@...ev.pl>
> > Sent: Saturday, October 4, 2025 5:19 PM
> > To: Korenblit, Miriam Rachel <miriam.rachel.korenblit@...el.com>; Berg,
> > Johannes <johannes.berg@...el.com>; Anjaneyulu, Pagadala Yesu
> > <pagadala.yesu.anjaneyulu@...el.com>; Grumbach, Emmanuel
> > <emmanuel.grumbach@...el.com>; Bhaskar Chowdhury
> > <unixbhaskar@...il.com>; Bartosz Golaszewski
> > <bartosz.golaszewski@...aro.org>; Peer, Ilan <ilan.peer@...el.com>; Gabay,
> > Daniel <daniel.gabay@...el.com>
> > Cc: linux-wireless@...r.kernel.org; linux-kernel@...r.kernel.org
> > Subject: Re: [PATCH] Revert "wifi: iwlwifi: mvm: remove support for
> > REDUCE_TX_POWER_CMD ver 6 and 7"
> >
> > On Sat, Oct 4, 2025 at 4:15 PM Bartosz Golaszewski <brgl@...ev.pl> wrote:
> > >
> > > From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> > >
> > > This reverts commit e3fd06d1d8869747e02a022e3c9045a3187f3aa5 as it
> > > broke wifi on my Thinkpad P1 (Intel AX210) in v6.17. I don't have a
> > > better idea than reverting as - contrary to what the commit message
> > > claims - this chip seems to still be using the commands removed by this
> > commit.
> > >
> > > Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> > > ---
> >
> > And here's the kernel log: https://pastebin.com/zrTPbE0j
> >
> > Bartosz
>
> Hi
>
> I think you reverted the wrong commit?
> Didn’t you mean
> e3fd06d1d886 ("wifi: iwlwifi: mvm: remove support for REDUCE_TX_POWER_CMD ver 6 and 7")
> ?
>

This is the same commit though, right? Am I missing something?

> Anyway, for fixing this issue, can I ask you to upgrade your FW? Then you should not see this error anymore.
>

To what? I'm already at iwlwifi-ty-a0-gf-a0-89 which seems to be the
most recent firmware for this card.

Bartosz