linux-kernel - RE: (subset) [PATCH v6 00/10] drm/display: generic HDMI CEC helpers

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Message-ID:
 <TY3PR01MB11346B18033508EDAA458C25A8698A@TY3PR01MB11346.jpnprd01.prod.outlook.com>
Date: Fri, 23 May 2025 08:50:47 +0000
From: Biju Das <biju.das.jz@...renesas.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
CC: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard
	<mripard@...nel.org>, 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" <dri-devel@...ts.freedesktop.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Dmitry
 Baryshkov <lumag@...nel.org>, Tommaso Merciai
	<tommaso.merciai.xr@...renesas.com>, Adam Ford <aford173@...il.com>
Subject: RE: (subset) [PATCH v6 00/10] drm/display: generic HDMI CEC helpers

Hi Dmitry Baryshkov,

> -----Original Message-----
> From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
> Sent: 23 May 2025 07:37
> Subject: Re: (subset) [PATCH v6 00/10] drm/display: generic HDMI CEC helpers
> 
> Hi Biju
> 
> On Fri, 23 May 2025 at 09:17, Biju Das <biju.das.jz@...renesas.com> wrote:
> >
> > Hi Dmitry Baryshkov,
> >
> > Thanks for the series.
> >
> > Looks like, After this patch, when I change resolution using modetest it is not working.
> > Monitor is showing out of range/No signal on RZ/V2L SMARC EVK connected to ADV7535.
> >
> > Not sure, I am the only one facing this issue?
> 
> I have been testing the series on db410c / adv7533, but something might have changed between the
> testing time and the present time. I will try checking it next week.
> 
> In the meantime, you can probably try comparing what gets programmed in adv7511_mode_set().

Sure, We are looking into this.

Cheers,
Biju

> 
> >
> > Modetest works fine with 6.15.0-rc6-next-20250516, where this patch
> > series is not present.
> >
> > Cheers,
> > Biju
> >
> > > -----Original Message-----
> > > From: dri-devel <dri-devel-bounces@...ts.freedesktop.org> On Behalf
> > > Of Dmitry Baryshkov
> > > Sent: 20 May 2025 23:40
> > > Subject: Re: (subset) [PATCH v6 00/10] drm/display: generic HDMI CEC
> > > helpers
> > >
> > >
> > > On Sat, 17 May 2025 04:59:36 +0300, Dmitry Baryshkov wrote:
> > > > Currently it is next to impossible to implement CEC handling for
> > > > the setup using drm_bridges and drm_bridge_connector: bridges
> > > > don't have a hold of the connector at the proper time to be able to route CEC events.
> > > >
> > > > At the same time it not very easy and obvious to get the CEC
> > > > physical address handling correctly. Drivers handle it at various
> > > > places, ending up with the slight differences in behaviour.
> > > >
> > > > [...]
> > >
> > > Applied, thanks!
> > >
> > > [01/10] drm/bridge: move private data to the end of the struct
> > >         commit: fa3769e09be76142d51c617d7d0c72d9c725a49d
> > > [02/10] drm/bridge: allow limiting I2S formats
> > >         commit: d9f9bae6752f5a0280a80d1bc524cabd0d60c886
> > > [03/10] drm/connector: add CEC-related fields
> > >         commit: e72cd597c35012146bfe77b736a30fee3e77e61e
> > > [04/10] drm/display: move CEC_CORE selection to DRM_DISPLAY_HELPER
> > >         commit: bcc8553b6228d0387ff64978a03efa3c8983dd2f
> > > [05/10] drm/display: add CEC helpers code
> > >         commit: 8b1a8f8b2002d31136d83e4d730b4cb41e9ee868
> > > [06/10] drm/display: hdmi-state-helper: handle CEC physical address
> > >         commit: 603ce85427043ecb29ef737c1b350901ce3ebf09
> > > [08/10] drm/display: bridge-connector: hook in CEC notifier support
> > >         commit: 65a2575a68e4ff03ba887b5aef679fc95405fcd2
> > > [09/10] drm/display: bridge-connector: handle CEC adapters
> > >         commit: a74288c8ded7c34624e50b4aa8ca37ae6cc03df4
> > > [10/10] drm/bridge: adv7511: switch to the HDMI connector helpers
> > >         commit: ae01d3183d2763ed27ab71f4ef5402b683d9ad8a
> > >
> > > Best regards,
> > > --
> > > Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
> >
> 
> 
> --
> With best wishes
> Dmitry