linux-kernel - Re: [PATCH RESEND v7] drm/vc4: hdmi: switch to generic CEC helpers

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Message-ID: <kg7adf363xjpragtvkub3gkstul6ycivr6jz4hld2isxjebdlz@z2cewulo3jwd>
Date: Fri, 12 Sep 2025 14:35:49 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Dave Stevenson <dave.stevenson@...pberrypi.com>
Cc: Maxime Ripard <mripard@...nel.org>,
        Maíra Canal <mcanal@...lia.com>,
        Raspberry Pi Kernel Maintenance <kernel-list@...pberrypi.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Dmitry Baryshkov <lumag@...nel.org>
Subject: Re: [PATCH RESEND v7] drm/vc4: hdmi: switch to generic CEC helpers

On Thu, Sep 11, 2025 at 06:37:18PM +0100, Dave Stevenson wrote:
> On Wed, 10 Sept 2025 at 15:21, Dave Stevenson
> <dave.stevenson@...pberrypi.com> wrote:
> >
> > Hi Dmitry
> >
> > On Fri, 5 Sept 2025 at 17:51, Dmitry Baryshkov
> > <dmitry.baryshkov@....qualcomm.com> wrote:
> > >
> > > On Fri, Aug 15, 2025 at 06:11:57PM +0300, Dmitry Baryshkov wrote:
> > > > On Sat, Jul 05, 2025 at 01:05:13PM +0300, Dmitry Baryshkov wrote:
> > > > > Switch VC4 driver to using CEC helpers code, simplifying hotplug and
> > > > > registration / cleanup. The existing vc4_hdmi_cec_release() is kept for
> > > > > now.
> > > > >
> > > > > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> > > > > Reviewed-by: Maxime Ripard <mripard@...nel.org>
> > > > > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
> > > > > ---
> > > > > This is a part of the HDMI CEC rework, posting separately to let it be
> > > > > tested by the maintainers.
> > > > > ---
> > > > > Changes in v7:
> > > > > - Dropped all applied patches, keeping just VC4
> > > > > - Link to v6: https://lore.kernel.org/r/20250517-drm-hdmi-connector-cec-v6-0-35651db6f19b@oss.qualcomm.com
> > > > >
> > > >
> > > > Can I please get Tested-by for this patch? It has been R-B'ed, but I
> > > > totally don't think it should be applied without testing on the actual
> > > > hardware...
> > >
> > > And another ping to get it tested by...
> >
> > Apologies - I'll find a display or AVR that supports CEC tomorrow to test.
> 
> I've only got a Sony soundbar here that supports CEC, but I can
> control the volume and mute status of that from the Pi, read the
> status back, and monitor mode is reporting power on/off events.
> 
> A colleague is going to give it more of a test via Kodi when he gets a
> chance, but I'm happy to give it a:
> 
> Tested-by: Dave Stevenson <dave.stevenson@...pberrypi.com>
> 
> Sorry for the delay in doing that testing.

No worries, thank you!

-- 
With best wishes
Dmitry