linux-kernel - Re: [PATCH v7 6/9] drm: sti: use cec_notifier_conn

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CA+M3ks6zkg9nh39tLr-fzHR8_UJeaxADTM9yeRSECtkyBuUbFw@mail.gmail.com>
Date:   Mon, 2 Sep 2019 15:11:22 +0200
From:   Benjamin Gaignard <benjamin.gaignard@...aro.org>
To:     Hans Verkuil <hverkuil-cisco@...all.nl>
Cc:     Dariusz Marcinkiewicz <darekm@...gle.com>,
        ML dri-devel <dri-devel@...ts.freedesktop.org>,
        linux-media@...r.kernel.org, David Airlie <airlied@...ux.ie>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Vincent Abriou <vincent.abriou@...com>
Subject: Re: [PATCH v7 6/9] drm: sti: use cec_notifier_conn_(un)register

Le jeu. 22 août 2019 à 10:11, Hans Verkuil <hverkuil-cisco@...all.nl> a écrit :
>
> Adding Benjamin Gaignard.
>
> Benjamin, can you take a look at this and Ack it (or merge it if you prefer) and
> ideally test it as well. This is the only patch in this series that I could not
> test since I don't have any hardware.

Looks good for me.

Applied on drm-misc-next,
Thanks,
Benjamin

>
> Regards,
>
>         Hans
>
> On 8/14/19 12:45 PM, Dariusz Marcinkiewicz wrote:
> > Use the new cec_notifier_conn_(un)register() functions to
> > (un)register the notifier for the HDMI connector, and fill
> > in the cec_connector_info.
> >
> > Changes since v2:
> >       Don't invalidate physical address before unregistering the
> >       notifier.
> >
> > Signed-off-by: Dariusz Marcinkiewicz <darekm@...gle.com>
> > ---
> >  drivers/gpu/drm/sti/sti_hdmi.c | 19 ++++++++++++-------
> >  1 file changed, 12 insertions(+), 7 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c
> > index 9862c322f0c4a..bd15902b825ad 100644
> > --- a/drivers/gpu/drm/sti/sti_hdmi.c
> > +++ b/drivers/gpu/drm/sti/sti_hdmi.c
> > @@ -1256,6 +1256,7 @@ static int sti_hdmi_bind(struct device *dev, struct device *master, void *data)
> >       struct drm_device *drm_dev = data;
> >       struct drm_encoder *encoder;
> >       struct sti_hdmi_connector *connector;
> > +     struct cec_connector_info conn_info;
> >       struct drm_connector *drm_connector;
> >       struct drm_bridge *bridge;
> >       int err;
> > @@ -1318,6 +1319,14 @@ static int sti_hdmi_bind(struct device *dev, struct device *master, void *data)
> >               goto err_sysfs;
> >       }
> >
> > +     cec_fill_conn_info_from_drm(&conn_info, drm_connector);
> > +     hdmi->notifier = cec_notifier_conn_register(&hdmi->dev, NULL,
> > +                                                 &conn_info);
> > +     if (!hdmi->notifier) {
> > +             hdmi->drm_connector = NULL;
> > +             return -ENOMEM;
> > +     }
> > +
> >       /* Enable default interrupts */
> >       hdmi_write(hdmi, HDMI_DEFAULT_INT, HDMI_INT_EN);
> >
> > @@ -1331,6 +1340,9 @@ static int sti_hdmi_bind(struct device *dev, struct device *master, void *data)
> >  static void sti_hdmi_unbind(struct device *dev,
> >               struct device *master, void *data)
> >  {
> > +     struct sti_hdmi *hdmi = dev_get_drvdata(dev);
> > +
> > +     cec_notifier_conn_unregister(hdmi->notifier);
> >  }
> >
> >  static const struct component_ops sti_hdmi_ops = {
> > @@ -1436,10 +1448,6 @@ static int sti_hdmi_probe(struct platform_device *pdev)
> >               goto release_adapter;
> >       }
> >
> > -     hdmi->notifier = cec_notifier_get(&pdev->dev);
> > -     if (!hdmi->notifier)
> > -             goto release_adapter;
> > -
> >       hdmi->reset = devm_reset_control_get(dev, "hdmi");
> >       /* Take hdmi out of reset */
> >       if (!IS_ERR(hdmi->reset))
> > @@ -1459,14 +1467,11 @@ static int sti_hdmi_remove(struct platform_device *pdev)
> >  {
> >       struct sti_hdmi *hdmi = dev_get_drvdata(&pdev->dev);
> >
> > -     cec_notifier_set_phys_addr(hdmi->notifier, CEC_PHYS_ADDR_INVALID);
> > -
> >       i2c_put_adapter(hdmi->ddc_adapt);
> >       if (hdmi->audio_pdev)
> >               platform_device_unregister(hdmi->audio_pdev);
> >       component_del(&pdev->dev, &sti_hdmi_ops);
> >
> > -     cec_notifier_put(hdmi->notifier);
> >       return 0;
> >  }
> >
> >
>