Re: [Letux-kernel] [PATCHv2 0/6] drm/omap: hdmi: improve hdmi4 CEC, add CEC for hdmi5

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On 28/08/2024 21:41, H. Nikolaus Schaller wrote:
> Hi all,
> 
>> Am 28.08.2024 um 16:14 schrieb Hans Verkuil <hverkuil-cisco@xxxxxxxxx>:
>>
>> On 28/08/2024 15:57, Tomi Valkeinen wrote:
>>> Hi,
>>>
>>> On 25/08/2024 23:31, H. Nikolaus Schaller wrote:
>>>> Hi,
>>>> CEC features are useful to e.g. control HDMI monitor standby.
>>>>
>>>> But I wonder what happened to this series?
>>>>
>>>> I could find some reviewed-by: and acked-by: in [1] but it wasn't merged upstream
>>>> for unidentifiable reasons.
>>>>
>>>> We apparently had merged this series some years ago into our LetuxOS distro kernel
>>>> and now we found it to be broken (NULL dereference) at least for omap5uevm
>>>> (and likely Pyra Handheld) after rebasing to v6.11-rc (it was already broken
>>>> since v6.9-rc1). Fixes were not difficult, but it would be better if it were
>>>> part of upstream.
>>>
>>> There was a v3:
>>>
>>> 20210428132545.1205162-1-hverkuil-cisco@xxxxxxxxx
> 
> [A clickable link is here: https://lore.kernel.org/linux-media/20210428132545.1205162-1-hverkuil-cisco@xxxxxxxxx/ ]
> 
> Ah, I see. It wasn't sent to linux-omap so I didn't recognise/find it in my mails
> or omap-patchwork.
> 
> 
>>> I see there was a concern from Laurent in:
>>>
>>> YLjMZiX71mcQNQdO@xxxxxxxxxxxxxxxxxxxxxxxxxx
> 
> Well, he didn't reject it although he had concerns, but I am not experienced with what
> he is talking about for a proper solution...
> 
>>>
>>> And we need an ack from the bridge maintainers for the drm_bridge parts. But the series is three years old, so I think someone would have to rebase on top of mainline and re-test and re-send first.
>>
>> I never really followed up with this. I still have the hardware, it is primarily
>> time. And also that for me this is quite low priority since I don't use omap5.
>>
>> If someone wants to refresh this series and post it, then I would have no problem
>> with it.
> 
> A far as I see it just needs a rebase - I guess on linux-next (or drm-misc?) and some
> compile fixes I already have implemented for our distro kernel.
> 
> So if you agree I could work on it, test on omap4&5 and submit a v4 and hope that you
> can jump in and support for the discussion. I would keep you (Hans) as commit author
> and just add a signed-off: and tested-by:

That would be fine.

For what it is worth, the last version I have is this one from 3 years ago:

https://git.linuxtv.org/hverkuil/media_tree.git/log/?h=omap-bridge-cec

I haven't looked at it since.

Regards,

	Hans

> 
> But I will also need some time...
> 
> BR and thanks,
> Nikolaus
> 





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