[Letux-kernel] pyra display trouble with 5.9.1

[H. Nikolaus Schaller]

Hi Tomi,

> Am 15.12.2020 um 18:16 schrieb Tomi Valkeinen <tomi.valkeinen at ti.com>:
> 
> On 12/12/2020 13:17, H. Nikolaus Schaller wrote:
>>> Am 12.12.2020 um 12:12 schrieb David Shah <dave at ds0.me>:
>>> 
>>> I believe the atomic timeouts when doing DPMS started happening
>>> sometime around 5.7/5.8, they aren't even a 5.9 issue.
>>> 
>>> It seems like what might be happening is that vblanks are stopping
>>> because the display controller is stopped (as you'd expect doing DPMS),
>>> but something in the atomic code is expecting them still.
>>> 
>>> Unfortunately, ime the atomic DRM stuff tends to be quite hard to debug
>>> when it goes wrong.
>> Indeed...
>> I think we should wait until the new omapdrm drivers are upstream (v5.12-rc1?)
>> and we can use the new drm/panel driver and look if it still happens.
> 
> I have pushed all the patches to drm-misc-next.

Great! And thanks for doing this before you take over new responsibilities.
It was always a pleasure to work with you on omapdss. The oldest mail I have
found in my mail archive is from summer 2013.

BR and thanks,
Nikolaus