public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: Dan Carpenter <dan.carpenter@linaro.org>,
	Bingbu Cao <bingbu.cao@intel.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Hans de Goede <hdegoede@redhat.com>,
	Daniel Scally <dan.scally@ideasonboard.com>,
	linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
	kernel-janitors@vger.kernel.org
Subject: Re: [PATCH v2] media: ipu-bridge: fix error code in ipu_bridge_init()
Date: Tue, 14 May 2024 18:21:13 +0300	[thread overview]
Message-ID: <ZkOBaUW1uLw6ildS@smile.fi.intel.com> (raw)
In-Reply-To: <ZkN2Ow6hASmKvHlz@kekkonen.localdomain>

On Tue, May 14, 2024 at 02:33:31PM +0000, Sakari Ailus wrote:
> On Fri, May 10, 2024 at 06:43:31PM +0300, Dan Carpenter wrote:

...

> Neither IPU3-CIO2 or IPU6 ISYS drivers should be of any functional use
> without sensors. But the power states of the devices could be affected by
> this: the drivers should power off these devices but without drivers they
> maybe left powered on. I haven't made any measurements though.

FWIW, Hans mentioned AtomISPv2 case with somewhat 7W consumption on top of
the idling machine. That's why we have a stub driver in PDx86 exactly for
the purpose of turning it off when not used.

Hans may correct me if I'm wrong in numbers or elsewhere.

-- 
With Best Regards,
Andy Shevchenko



  reply	other threads:[~2024-05-14 15:21 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-10 15:43 [PATCH v2] media: ipu-bridge: fix error code in ipu_bridge_init() Dan Carpenter
2024-05-10 15:55 ` Andy Shevchenko
2024-05-14 10:14   ` Dan Scally
2024-05-14 14:06     ` Dan Carpenter
2024-05-14 14:33 ` Sakari Ailus
2024-05-14 15:21   ` Andy Shevchenko [this message]
2024-05-14 15:38     ` Hans de Goede
2024-05-22 12:03       ` Sakari Ailus

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=ZkOBaUW1uLw6ildS@smile.fi.intel.com \
    --to=andriy.shevchenko@linux.intel.com \
    --cc=bingbu.cao@intel.com \
    --cc=dan.carpenter@linaro.org \
    --cc=dan.scally@ideasonboard.com \
    --cc=hdegoede@redhat.com \
    --cc=kernel-janitors@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-media@vger.kernel.org \
    --cc=mchehab@kernel.org \
    --cc=sakari.ailus@linux.intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox