[Letux-kernel] Display GTA04 broken with letux-5.7-rc1

[H. Nikolaus Schaller]

> Am 16.04.2020 um 22:23 schrieb Andreas Kemnade <andreas at kemnade.info>:
> 
> On Wed, 15 Apr 2020 19:20:45 +0200
> "H. Nikolaus Schaller" <hns at goldelico.com> wrote:
> 
>> There has been some switching in omapdss to omapdrm
>> and configs have changed. Besides that I see this
>> error:
>> 
>> [   28.567840] [drm:simple_bridge_attach [simple_bridge]] *ERROR* Fix bridge driver to make connector optional!
>> [   28.567871] omapdrm omapdrm.0: unable to attach bridge /ocp at 68000000/dss at 48050000/encoder at 48050c00
>> [   28.786529] omapdrm omapdrm.0: omap_modeset_init failed: ret=-22
>> [   28.841552] omapdrm: probe of omapdrm.0 failed with error -22
>> 
>> This seems to be the reason why I don't get an active
>> display.
>> 
> hmm, where is the encoder-opa driver?

I think it should be part of simple_bridge... At least that one is compatible.
But I do not understand its code.

I have prepared but not finished a mail to the author of simple_bridge.

BR,
Nikolaus