18:41 <steev> qzed: you can take a look at bamse's latest work towards sc8180x at https://github.com/andersson/kernel - sc8180x-next-20220502 is the branch (newer next has some dpu changes that are incompatible with a couple of patches, i haven't yet looked to see if the changes are integrated or applicable yet)

18:42 <qzed> thanks, yeah that's what I've meant with "latest patches"

18:43 <qzed> but I've figured out that it's (at least in part) a config thing

18:43 <qzed> turns out my old kernel also had the same issue when adapting the newer config for it

18:43 <steev> you do need some 8150 things and 8250 things to be enabled

18:44 <qzed> even though I thought I had used the older config as base for the newer one...

18:44 <qzed> so I'm trying to figure out which options I need for the old one to work right now and then use those to hopefully get the new ones working as well

18:45 <steev> well from 5.13 to newer, i do believe the panel options changed

18:45 <steev> CONFIG_DRM_PANEL_SIMPLE=m

18:45 <steev> CONFIG_DRM_PANEL_EDP=m

18:46 <qzed> very much possible, thanks for the hints!

18:46 <qzed> probably a good time to make an attempt at a smaller config too... and not just "enable everything and hopes it works"

20:04 <qzed> Okay, so the display clock controller seems to be one part of the equation

20:04 <qzed> SM_DISPCC_8250=y leads to the black screen

20:05 <qzed> but I can still SSH into the machine, so nothing seems to crash

20:06 <qzed> me not specifying the panel in the DSDT is probably part of the problem I guess

20:06 <qzed> (haven't gotten around to that yet)

20:09 <qzed> that's all still for 5.13... so I'll have to see how that applies to the latest patches