Turl changed the topic of #linux-sunxi to: Allwinner/sunxi /development discussion - did you try looking at our wiki? https://linux-sunxi.org - Don't ask to ask. Just ask and wait! - https://github.com/linux-sunxi/ - Logs at http://irclog.whitequark.org/linux-sunxi
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<MoeIcenowy> jernej: what do you mean by "switching resolution from 1280x800 to 1920x1080 is unstable" ?
<MoeIcenowy> will add iteration to 4 solve this?
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<jernej> MoeIcenowy: Switching from 1280x800 to 1920x1080 causes image blinking. But I think this is only on one display, so it might be a monitor bug as well.
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<jernej> and no, 4 iterations doesn't change anything
<MoeIcenowy> so test this transition on a PC?
<jernej> good point
<MoeIcenowy> So we are sure that the v1.32a version of DWC HDMI TX also suffers from this bug
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<MoeIcenowy> like v1.30a and v1.31a
<jernej> anyway, this is not actual monitor, just old laptop panel coupled to some hdmi converter from ebay
<jernej> yes, we are sure
<MoeIcenowy> some low-cost monitor solution ;-)
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<MoeIcenowy> (The only time that I triggered this bug is using a eDP panel attached to some converter ;-)
<jernej> so you noticed that?
<MoeIcenowy> yes
<MoeIcenowy> but I didn't cared it
<MoeIcenowy> as the "monitor" is not mine ;-)
<jernej> ok, I will check it today
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<MoeIcenowy> but now the "monitor"'s owner has a Pine64 ;-)
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<jernej> MoeIcenowy: There is no blinking with laptop. I have to investigate this further.
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<MoeIcenowy> The LEDE sunxi target seems to be extremely out-of-date...
<MoeIcenowy> and nearly all the patches are unnecessary now ;-)
<MoeIcenowy> as they're usually clock patches (Here we have CCU)
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<MoeIcenowy> jernej: still any HDMI audio issues left?
<MoeIcenowy> I remember that you said that it only works under 1024x768?
<jernej> yes, still is
<jernej> it works when pixel clock < 65 MHz
<MoeIcenowy> maybe PHY issue?
<jernej> nope, since it works with BSP kernel
<jernej> I checked PHY registers many times and they are always same between BSP and my driver
<jernej> except some unreferenced registers
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<jernej> MoeIcenowy: I had solution for HDMI audio all along, but due to a bug we solved yesterday, it didn't work
<jernej> MoeIcenowy: Now I have to make clean up and figure why sound is distorted, but all in all, it works
<jernej> Distorsion solved :)
<KotCzarny> 'distortion'
<KotCzarny> what was the cause?
<jernej> ah, wrong I2S setting on HDMI side
<KotCzarny> :)
<KotCzarny> yeah, i find it weird they didnt make audio separate from video
<jernej> who?
<KotCzarny> standards group
<KotCzarny> or hdmi inventors
<jernej> well, if it is transported over same physical medium, I guess you really can't make them separate
<KotCzarny> i was thinking about packeted stream similar to tcp/ip
<KotCzarny> maybe udp
<jernej> at least scheduler or something like that must be aware when to send which packet
<jernej> timing is critical here
<KotCzarny> packets could have timestamps
<KotCzarny> but i guess it's simpler to design synchronous interface
<jernej> I suppose it is
<jernej> and I don't really have a clue why they did it that way
<jernej> but I was wondering before exactly the same question
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<jernej> MoeIcenowy: Cleaned up and a bit hackish branch with H3 HDMI audio support: https://github.com/jernejsk/linux-1/commits/h3_hdmi_audio_wip
<jernej> audio is enabled only for orange pi 2
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<jernej> MoeIcenowy: there is a bigger issue with resolution switching than just few selected resolutions
<jernej> I hope this is the last blocking issue
<victhor> I have come across a "M751s" A33 tablet with LVDS display... if this is not documented already, I have some pictures of the inside and also access to the device
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<jernej> MoeIcenowy: but it seems that some monitors are immune to that and some aren't
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<cds> Can anyone clarify the status of the A20 NAND driver in linux-sunxi?
<cds> We've just realized it has (relatively) recently been removed from the defconfig, and have subsequently read some unreliability reports.
<cds> Has it been confirmed to write back to the device even if mounted read-only?
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<jernej> MoeIcenowy: Fix found and force pushed to github. Polarity bits were only set to 1 but not reset if new resolution had different settings.
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<willmore> jernej, yay!
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<anarsoul> jernej: cool
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<jernej> I guess I should send patches soon for review
<plaes> victhor: where did you find this device?
<victhor> purchased at a local store
<plaes> 512M and 1024x600?
<victhor> 1024x600 I know for sure, but I forgot how much RAM it has... let me check
<plaes> well, no need
<victhor> okay then, in any case it does have 512MB, so I it's already documented?
<plaes> nah.. I just googled and found it on AliExpress ;)
<victhor> :) that's to be expected really
<victhor> in any case, that one has a "sv6q51z" wifi chipset, different from the M751s on the wiki with the esp8089
<plaes> o_O
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<victhor> sorry, SV6051Z
<victhor> there was a little spot of dirt on top of the "0" when I took the picture, that got me confused
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<smaeul> does anyone have any logs from the ARISC firmware lying around? googling some of the strings in the blob isn't turning up anything
<smaeul> I'm just trying to get an idea of its general boot/runtime activity
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<MoeIcenowy> victhor: your M751s seems to be quite different with mine
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<victhor> I can upload some pictures of the board. I actually have this one and a "normal" one with parallel LCD and esp8089 wifi
<smaeul> or alternatively, what kernel and ATF do I need to run the ARISC blob on a Pine64?
<victhor> I mean, if you are curious to see what it looks like on the inside, but it's not too different
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<MoeIcenowy> victhor: not "normal" but just the same as mine ;-)
<victhor> hehe
<MoeIcenowy> mine is bought for CNY ¥199 (~USD $30)
<MoeIcenowy> but for the Wi-Fi chip I've never heard it...
<MoeIcenowy> victhor: maybe it's SSV6051Z?
<victhor> could be, SV6051Z is the marking on the IC
<victhor> it's a QFN so the full code isn't going to fit
<MoeIcenowy> run lsmod on it?
<victhor> https://pastebin.com/raw/3mqXBuJB (from android)
<victhor> ssv6051 module is there on lsmod
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