[Letux-kernel] Long-Term kernels

[H. Nikolaus Schaller]

> Am 21.12.2020 um 19:21 schrieb David Shah <dave at ds0.me>:
> 
> Trying letux-5.10.y and the annoying display-not-being-loaded issue has
> come back to bite again, even though we are now baking omapdrm into the
> kernel in the Pyra config.

Strangely I haven't seen that recently. And it is questionable if it
is solved by the new panel driver architecture.

But you could do a test by merging letux/boe-w677-dsi-panel-v4. This
should include the new omapdrm and the new panel driver.

If not someone has to dig into it and search for the initialization
race.

BR,
Nikolaus

> 
> On Mon, 2020-12-21 at 18:14 +0100, H. Nikolaus Schaller wrote:
>> 
>>> Am 21.12.2020 um 18:00 schrieb David Shah <dave at ds0.me>:
>>> 
>>> It would be nice to get 5.10 up and running on the Pyra,
>> 
>> Well, for me it is running and I am not aware of bigger issues. But I
>> am not using it daily so that I may miss some problems.
>> 
>>> despite not containing
>>> the new panel driver yet (afaik).
>> 
>> Yes, the new panel driver will not come before v5.12. But IMHO it has
>> no functional difference. Is just much cleaner and upstreamable code.
>> So no need to wait for it.
>> 
>>> 
>>> Though I haven't tested, I suspect the biggest issue is going to be
>>> the
>>> DPMS/stuck atomic update issue that is somewhere in the display/DRM
>>> code
>>> discussed previously and has likely been present since 5.7 ish.
>> 
>> I think there was some fix a while ago which may also be in 5.9.
>> But I currently don't have the Pyra in operation to check.
>> 
>> Generally I think the best strategy for PyraOS would be to use and
>> maintain
>> 5.10.y as the next long-term kernel.
>> 
>> BR,
>> Nikolaus
>> 
>>> 
>>> David
>>> 
>>> On Mon, 2020-12-21 at 16:12 +0100, H. Nikolaus Schaller wrote:
>>>> v5.9.16 was just tagged [EOL].
>>>> 
>>>> According to https://www.kernel.org/category/releases.html the
>>>> long-term
>>>> kernels will be:
>>>> 
>>>> - 5.10
>>>> - 5.4
>>>> - 4.19
>>>> - 4.14
>>>> - 4.9
>>>> - 4.4   (maintenance ends in 2 months - but we anyways have no
>>>> letux-4.4)
>>>> 
>>>> For Letux-Kernels we will follow this scheme.
>>>> 
>>>> BR,
>>>> Nikolaus
>>>> 
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>>> 
>>> 
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>