From: Stefan Wahren <wahrenst@gmx.net>
To: Peter Robinson <pbrobinson@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Florian Fainelli <florian.fainelli@broadcom.com>,
Ray Jui <rjui@broadcom.com>,
Scott Branden <sbranden@broadcom.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Jassi Brar <jassisinghbrar@gmail.com>,
Ulf Hansson <ulf.hansson@linaro.org>,
Jiri Slaby <jirislaby@kernel.org>,
Minas Harutyunyan <hminas@synopsys.com>,
Dave Stevenson <dave.stevenson@raspberrypi.com>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>,
Lukas Wunner <lukas@wunner.de>,
dri-devel@lists.freedesktop.org,
bcm-kernel-feedback-list@broadcom.com, linux-pm@vger.kernel.org,
linux-serial@vger.kernel.org, linux-usb@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
kernel-list@raspberrypi.com
Subject: Re: [PATCH 07/11] drm/vc4: hdmi: Disable connector status polling during suspend
Date: Thu, 4 Jul 2024 18:25:16 +0200 [thread overview]
Message-ID: <4d48bbdb-91fb-46f2-b101-112f45c81cdd@gmx.net> (raw)
In-Reply-To: <CALeDE9OpdUntjW61i=Ge2b9uOyPKWRmeP+2ybxoNA2CR4DHWXg@mail.gmail.com>
Hi Peter,
Am 02.07.24 um 22:02 schrieb Peter Robinson:
> Hi Stefan,
>
>> Suspend of VC4 HDMI will likely triggers a warning from
>> vc4_hdmi_connector_detect_ctx() during poll of connector status.
>> The power management will prevent the resume and keep the relevant
>> power domain disabled.
>>
>> Since there is no reason to poll the connector status during
>> suspend, the polling should be disabled during this.
> What about HDMI-CEC? I don't know well enough how CEC integrates at
> this level but CEC can wake up the device over HDMI from a TV display
> for example so if this affects that, while it's maybe not required for
> first pass, I know the rpi is used in a lot of media use cases so the
> ability to wake up via CEC would certainly be welcomed.
unfortunately i don't know much about HDMI-CEC, too. The only thing I
noticed was that I currently cannot configure vc4 as a wakeup source.
next prev parent reply other threads:[~2024-07-04 16:25 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-30 15:36 [PATCH 00/11] ARM: bcm2835: Implement initial S2Idle for Raspberry Pi Stefan Wahren
2024-06-30 15:36 ` [PATCH 01/11] firmware: raspberrypi: Improve timeout warning Stefan Wahren
2024-07-04 14:10 ` Florian Fainelli
2024-06-30 15:36 ` [PATCH 02/11] mailbox: bcm2835: Fix timeout during suspend mode Stefan Wahren
2024-07-04 14:10 ` Florian Fainelli
2024-06-30 15:36 ` [PATCH 03/11] pmdomain: raspberrypi-power: Adjust packet definition Stefan Wahren
2024-07-04 14:11 ` Florian Fainelli
2024-06-30 15:36 ` [PATCH 04/11] pmdomain: raspberrypi-power: Avoid powering down USB Stefan Wahren
2024-06-30 15:36 ` [PATCH 05/11] irqchip/bcm2835: Enable SKIP_SET_WAKE and MASK_ON_SUSPEND Stefan Wahren
2024-07-04 14:11 ` Florian Fainelli
2024-06-30 15:36 ` [PATCH 06/11] drm/vc4: hdmi: Handle error case of pm_runtime_resume_and_get Stefan Wahren
2024-07-02 13:48 ` Maxime Ripard
2024-07-02 19:46 ` Maíra Canal
2024-07-23 17:27 ` Stefan Wahren
2024-06-30 15:36 ` [PATCH 07/11] drm/vc4: hdmi: Disable connector status polling during suspend Stefan Wahren
2024-07-02 13:48 ` Maxime Ripard
2024-07-03 10:28 ` Stefan Wahren
2024-07-03 15:32 ` Stefan Wahren
2024-07-03 15:58 ` Dave Stevenson
2024-07-02 20:02 ` Peter Robinson
2024-07-04 16:25 ` Stefan Wahren [this message]
2024-06-30 15:36 ` [PATCH 08/11] usb: dwc2: debugfs: Print parameter no_clock_gating Stefan Wahren
2024-07-01 5:56 ` Minas Harutyunyan
2024-07-04 14:13 ` Florian Fainelli
2024-06-30 15:36 ` [PATCH 09/11] usb: dwc2: Skip clock gating on Broadcom SoCs Stefan Wahren
2024-07-01 5:56 ` Minas Harutyunyan
2024-07-04 14:14 ` Florian Fainelli
2024-07-04 15:33 ` Stefan Wahren
2024-07-05 8:48 ` Lukas Wunner
2024-07-05 10:22 ` Stefan Wahren
2024-07-05 15:03 ` Lukas Wunner
2024-07-05 15:21 ` Stefan Wahren
2024-07-05 17:16 ` Jeremy Linton
2024-07-05 21:14 ` Lukas Wunner
2024-07-10 13:33 ` Stefan Wahren
2024-07-10 15:50 ` Jeremy Linton
2024-06-30 16:53 ` [PATCH RFT 10/11] serial: 8250_bcm2835aux: add PM suspend/resume support Stefan Wahren
2024-07-04 14:12 ` Florian Fainelli
2024-07-04 15:40 ` Stefan Wahren
2024-06-30 17:19 ` [PATCH 11/11] ARM: bcm2835_defconfig: Enable SUSPEND Stefan Wahren
2024-07-04 14:13 ` Florian Fainelli
2024-07-02 20:08 ` [PATCH 00/11] ARM: bcm2835: Implement initial S2Idle for Raspberry Pi Peter Robinson
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=4d48bbdb-91fb-46f2-b101-112f45c81cdd@gmx.net \
--to=wahrenst@gmx.net \
--cc=airlied@gmail.com \
--cc=bcm-kernel-feedback-list@broadcom.com \
--cc=daniel@ffwll.ch \
--cc=dave.stevenson@raspberrypi.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=florian.fainelli@broadcom.com \
--cc=gregkh@linuxfoundation.org \
--cc=hminas@synopsys.com \
--cc=jassisinghbrar@gmail.com \
--cc=jirislaby@kernel.org \
--cc=kernel-list@raspberrypi.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-pm@vger.kernel.org \
--cc=linux-serial@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
--cc=lukas@wunner.de \
--cc=maarten.lankhorst@linux.intel.com \
--cc=mripard@kernel.org \
--cc=pbrobinson@gmail.com \
--cc=rjui@broadcom.com \
--cc=sbranden@broadcom.com \
--cc=tglx@linutronix.de \
--cc=tzimmermann@suse.de \
--cc=ulf.hansson@linaro.org \
/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