linux-kernel - Re: [PATCH v3 05/10] drm/display: bridge-connector: hook in CEC notifier support

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Message-ID: <CAA8EJppvnsYc0Ri_3=GGkR6vgFPQt14m56E1kTNhiSf8HU4e8g@mail.gmail.com>
Date: Tue, 28 Jan 2025 23:47:35 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Maxime Ripard <mripard@...nel.org>
Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
	Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
	Dave Stevenson <dave.stevenson@...pberrypi.com>, Maíra Canal <mcanal@...lia.com>, 
	Raspberry Pi Kernel Maintenance <kernel-list@...pberrypi.com>, Andrzej Hajda <andrzej.hajda@...el.com>, 
	Neil Armstrong <neil.armstrong@...aro.org>, Robert Foss <rfoss@...nel.org>, 
	Laurent Pinchart <Laurent.pinchart@...asonboard.com>, Jonas Karlman <jonas@...boo.se>, 
	Jernej Skrabec <jernej.skrabec@...il.com>, dri-devel@...ts.freedesktop.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 05/10] drm/display: bridge-connector: hook in CEC
 notifier support

On Tue, 28 Jan 2025 at 18:15, Maxime Ripard <mripard@...nel.org> wrote:
>
> On Sun, Jan 26, 2025 at 03:29:10PM +0200, Dmitry Baryshkov wrote:
> > Allow HDMI DRM bridges to create CEC notifier. Physical address is
> > handled automatically by drm_atomic_helper_connector_hdmi_hotplug()
> > being called from .detect() path.
> >
> > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> > ---
> >  drivers/gpu/drm/bridge/lontium-lt9611.c        |  2 +-
> >  drivers/gpu/drm/display/Kconfig                |  1 +
> >  drivers/gpu/drm/display/drm_bridge_connector.c | 11 ++++++++++-
> >  include/drm/drm_bridge.h                       |  9 +++++++--
> >  4 files changed, 19 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/bridge/lontium-lt9611.c b/drivers/gpu/drm/bridge/lontium-lt9611.c
> > index 0df2c68e45897f2f2eed10a56dd670582526180b..158a4966ac00657074b11e93dc9bcab41c16db18 100644
> > --- a/drivers/gpu/drm/bridge/lontium-lt9611.c
> > +++ b/drivers/gpu/drm/bridge/lontium-lt9611.c
> > @@ -1252,7 +1252,7 @@ static int lt9611_probe(struct i2c_client *client)
> >       lt9611->bridge.type = DRM_MODE_CONNECTOR_HDMIA;
> >       lt9611->bridge.vendor = "Lontium";
> >       lt9611->bridge.product = "LT9611";
> > -     lt9611->bridge.hdmi_audio_dev = dev;
> > +     lt9611->bridge.hdmi_dev = dev;
> >       lt9611->bridge.hdmi_audio_max_i2s_playback_channels = 8;
> >       lt9611->bridge.hdmi_audio_dai_port = 2;
>
> This looks unrleated?

No, it is related. Initially it was the 'hdmi_audio_dev' field (when
there was just audio), now it was renamed to 'hdmi_dev', as it's
common to both audio and CEC.

-- 
With best wishes
Dmitry