[Letux-kernel] Long-Term kernels

[David Shah]

It was just another pyra_defconfig problem in the end, sent a patch.

And the DPMS issue now seems to be resolved :)

Next problem I've noticed is that pvr init is failing, I think I saw
some conversation between you and Tony about that back in November that
I'll look into.

Best

David

On Mon, 2020-12-21 at 19:32 +0100, H. Nikolaus Schaller wrote:
> 
> > 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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