<f_>
If I can, I might write a quickly-made utility to generate a timing.h out of the acs.bin, maybe.
<f_>
chewitt (logs...): Is it possible that you ask WeTek if you can share at least timing.h? Or is it something you can't do? (if it is, no problem)
<minute>
mnt reform laptop with a311d is quite incredible
<minute>
just need to wire up SAI audio and solve some random dsi glitches (i will try to lower the pixel clock, currently the panel runs at 70Hz) and solve the ethernet issue (currently using usb ethernet)
<f_>
Didn't know there were laptops using an Amlogic SoC!
<minute>
f_: there weren't before today!
<minute>
(it's the first prototype)
<f_>
Aren't you that person from MNT tooting every now and then on mastodon?
<minute>
it's funny to see what issues panfrost has vs etnaviv. they both struggle with legacy X/gtk2 gui rendering through glamor, but in different ways
<minute>
f_: yep
<f_>
Congrats!
<f_>
Still a little sad that Amlogic's Trusted Firmware is proprietary.
<minute>
thanks! yes, that's the only downside... but you're tinkering on that?
<f_>
(fourtunately there's a port of TF-A's BL31 for most of Amlogic's SoCs)
<f_>
minute: I'm trying to port TF-A's BL2 to my set-top box, yes.
<minute>
also, there is a hard memory limit of 4GB, right?
<minute>
f_: cool!
<f_>
Not really, it depends.
<minute>
oh?
<f_>
It's all in acs.bin, which is libre.
<f_>
And there's a switch to either hardcode the RAM size, or to auto-detect it.
<minute>
sorry, i meant i thought there is a 4GB limit in the chip itself
<minute>
ohh
<f_>
No idea.
<minute>
bananapi are working on a CM5 som with a311d2 that doesn't have this limit apparently
<f_>
Nice.
<f_>
¯\_(ツ)_/¯ But I have absolutely no idea if there was a limit in the first place.
<f_>
And honestly, I don't really care that much. If there was a limit my set-top box is probably far behind it (it has 2 GB of RAM)
<f_>
But I could be wrong.
<f_>
I'm only familiar with the S905. That's the only Amlogic SoC for which I have at least one board.
<f_>
minute: Still, congratulations!
<minute>
f_: thank you!!
<minute>
i think personally i can manage with 4GB, it's just not an easy sell in 2023 for a laptop
<f_>
Honestly I think (for lightweight stuff) that 4 GB is more than enough.
<minute>
yeah
<f_>
I myself have 8 GB of RAM on my 2011 laptop, but I'm only using ~2 GB.
<f_>
DDR0_PUB's base is documented (as "DDR TOP"), but there's no other mention, or Amlogic removed mentions of it before HardKernel publied the datasheets.
<f_>
I'm searching for all those undocumented registers, but there isn't really any mention of it anywhere.
<narmstrong>
minute: yep i had the same error yesterday, I’ll debug on Monday
<minute>
narmstrong: ah cool, thanks
<minute>
i am able to run the panel now at much lower DSI speed (832.68mhz and 138.780mhz pixel clock), but can't get rid of glitches that happen like every 10 or 20 seconds
<minute>
i.e. the display seems to jump horizontally for 1 frame
<minute>
sometimes it doesn't happen for a longer time hmm
<minute>
hmm, could be temperature related
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