Hi Milan,
Right, this is an annoying issue but also known, unfortunately, I
personally didn't have time to look at. but it is in my TODO.
You can try to revert this patch
commit d4da4e33341c5e6159543acc03559cb24f520bc2
Author: Sean Paul <seanpaul@xxxxxxxxxxxx>
Date: Wed Sep 18 16:07:29 2019 -0400
drm: Measure Self Refresh Entry/Exit times to avoid thrashing
See also some more info here:
* https://lkml.org/lkml/2019/9/18/975
Note that reverting the patch doesn't fixes the issue just makes it
less visible.
Cheers,
Enric
Missatge de Milan P. Stanić <mps@xxxxxxxxxxx> del dia dv., 10 d’abr.
2020 a les 11:57:
>
> Hello,
>
> Does anyone have/know anything which could help with this problem or
> point me where I can look to find solution for this serious issue.
>
> TIA
>
> On Sun, 2020-03-29 at 22:33, Milan P. Stanić wrote:
> > [ Please keep me in Cc, I'm not subscribed to this mailing list ]
> >
> > [ I posted this bug report to dri-devel@xxxxxxxxxxxxxxx here:
> > https://lists.freedesktop.org/archives/dri-devel/2020-March/259832.html
> > on Thu Mar 19 20:01:19 UTC 2020 but didn't received any answer. So
> > reposting here in a hope that someone will help ]
> >
> > Hello,
> >
> > This is one of first bug report to linux kernel, so sorry if I do
> > something wrong or inappropriate. And I'm self taught in English so
> > sorry if do not write or express correctly.
> >
> > I'm running linux 5.6.0-rc3 without any patches on Samsung chromebook
> > one plus, Arm64 rockchip rk3399 based model name:
> > Machine model: Google Kevin
> >
> > I build kernels from upstream git.kernel.org for this machine for some
> > time (iirc, from 5.4.1 and up) but I'm getting error messages in kernel
> > about 'psr' related to analogix driver, which I see with `dmesg`.
> >
> > This bug appears in `dmesg` output few times on a days but randomly and
> > I can't find any correlation of the work with machine and appearance of
> > this bug.
> >
> > I have no experience with with video drivers so don't know how to debug
> > this problem more deeply.
> >
> > I'm attaching kernel .config (file config-5.6.0-rc3-1-gru.conf) which I
> > use to build kernel, output of the `awk -f scripts/ver_linux` as file
> > ver_linux.txt and output of dmesg as file dmesg-br3.txt (from which I
> > deleted only wifi association log).
> >
> > Sorry again if I did something bad or wrong with this bug report.
> >
> > I'm ready to send you more data, and investigate this more, apply
> > patches and rebuild kernel or whatever you ask me (of course if my
> > understanding and knowledge is enough for this job).
> >
> > Thank in advance
> >
> [...]
>
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