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<DarkNeutrino> ah damn logged in on 2 devices
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<DarkNeutrino> jernej: i have the HDMI drm logs if you wanna take a look as to what may be wrong. on display i see only a grey screen. thats all. But it does go away whan i disable lightdm or gdm
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<apritzel> DarkNeutrino: btw: earlyprintk does not work for arm64, use "earlycon" instead
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<DarkNeutrino> ah
<DarkNeutrino> but that wont help with the hdmi
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<jernej> DarkNeutrino: I bet that it would work with 1080p display
<DarkNeutrino> i did try on my tv
<jernej> You're using waveshare screen or something similar, right?
<DarkNeutrino> grey screen
<DarkNeutrino> using hdmi 5 inch small display
<DarkNeutrino> but let me try my pc monitor to be 1000% sure
<jernej> hm... can you show content of /sys/kernel/debug/clk/clk_summary when screen is connected?
<DarkNeutrino> a sec
<DarkNeutrino> the small display cause i need to see :)
<DarkNeutrino> also when i connect mouse and move around a bit in some cases the screen goes pure white ?
<jernej> yeah, I had such issues on similar screen too
<jernej> on H6
<jernej> it was one bug in clock driver, but I don't see same issue here
<jernej> but in any case, it should work with 1080p pc monitor
<jernej> not sure what's wrong
<DarkNeutrino> lets see
<DarkNeutrino> same issue
<DarkNeutrino> same when i connect mouse and move to top left
<DarkNeutrino> white screen
<DarkNeutrino> i have the hdmi commit and gpu commit
<DarkNeutrino> and then i manually added enabled the nodes in my dt and added corresponding regulators
<DarkNeutrino> the hdmi commit i know didnt apply cleanly but im nearly sure i didnt screw up
<jernej> while GPU isn't necessary for basic output, I guess you have hack to enable it? Otherwise CPU might lock up
<DarkNeutrino> no hack afaik ?
<DarkNeutrino> tho now that you mention it when i vnced into the board the gpu wasnt working indeed
<jernej> I made U-Boot hack, which enabled GPU power (?) domain, otherwise accessing GPU registers will lock up bus and thus CPU
<DarkNeutrino> ah its possible thats included. using the biqu uboot for now
<DarkNeutrino> thats based on mainline one
<jernej> oh
<jernej> you really need latest SPL
<jernej> because it enables video PLLs
<jernej> which are obviously needed for HDMI
<DarkNeutrino> i mean they have hdmi working on this uboot
<jernej> ok, then I suggest that you disable it and try it again
<DarkNeutrino> disable what ?
<jernej> hdmi in U-Boot. Handing over to Linux doesn't necessarily work
<jernej> that took me eternity to figure out
<DarkNeutrino> /* this seems to enable PLLs on H616 */ if (IS_ENABLED(CONFIG_MACH_SUN50I_H616)) { setbits_le32(SUNXI_PRCM_BASE + 0x250, 0x10); /* enable GPU */ writel(0, 0x7010254); }
<DarkNeutrino> bit different
<DarkNeutrino> as for hdmi i dont think its enabled in their uboot
<DarkNeutrino> at least i dont see it in the config anywhere
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<jernej> yeah, that's gpu hack, so you have it
<jernej> ah, you posted output of BIQU CB1 board. I don't have it, so maybe there is some other issue
<jernej> I'm not too sure if I properly set up HDMI PHY
<jernej> dumb question, is HDMI properly powered?
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<DarkNeutrino> yes
<DarkNeutrino> when i use my downstream sdcard the display works perfectly
<jernej> I mean power regulator in hdmi nod
<jernej> *node
<jernej> you can measure aldo if it's really 1.8 V
<DarkNeutrino> ah
<DarkNeutrino> yep 1.8v
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