<suprothunderbolt>
so I've got an issue with the sun4i-i2s. I've modified it to do TDM, but the order of the channels changes (between two different sets) randomly at boot. I assume this is based on which polarity is detected first. Anyone got any hints on how to force a polarity?
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<suprothunderbolt>
the channels are actually correct the first time I access the device but if I stop and start anything that access it they change
<codekipper>
sounds like a FIFO flushing issue
<suprothunderbolt>
oh yeah, just reading through and sounds exactly the same issue
<suprothunderbolt>
thanks for the info!
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<BorgCuba>
hi
<BorgCuba>
is it possible that vm_fault_t changed from int to unsigned int recently?
<BorgCuba>
when I compile the sunxi-mali-mainline-driver-c12e16553576b050e74a8ed404cb555ce4b8e573/r6p2 driver I get an error that suggests just that
<BorgCuba>
for kernel 5.1.5
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<BorgCuba>
indeed: mm_types.h:628:typedef __bitwise unsigned int vm_fault_t;
<BorgCuba>
mripard, in mali_memory.c there is this function static int mali_mem_vma_fault(...) which is later put into the fault field of the "vm_operations_struct" whic is of type vm_fault_t which is defined to be "unsigned int" in the kernel headers. It kills the build with (-Werror=incompatible-pointer-types).
<BorgCuba>
btw, why does the kernel matrix contain "N/A" for A13 GPU?
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<Mangy_Dog>
Need help, display circuit isnt working, need help troubleshooting it as ive run out of ideas.... https://imgur.com/gallery/BS2gGuU
<libv>
Documentation/EDID for a braindead solution
<libv>
good idea, bad execution
<libv>
but i do not fully understand yet why one cannot just provide an actual modeline
<Mangy_Dog>
so its not required then?
<libv>
(said the guy who freed the world from having to provide modelines in xorg/Xfree86.conf)
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<libv>
Mangy_Dog: you can awkwardly construct a single mode edid blob with that code, and you can point the kms code to load the blob from /lib/firmware
<libv>
but it's badly executed to not accept sensible and humanly usable values like those in an X modeline
<Mangy_Dog>
is it EDID or ENID? adafruit said enid or os that a typo on there part?
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<Mangy_Dog>
libv are you still about?
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<jernej>
megi, wens: Has H6 two RTCs? One in SoC and one in AC200?
<jernej>
that seems weird
<MoeIcenowy>
jernej: but neither really works
<MoeIcenowy>
this is more weird
<MoeIcenowy>
the main SoC is said to have too high leak current
<MoeIcenowy>
and the AC200 one is not connected to 32768 xtal
<jernej>
so you need both :)
<jernej>
btw, I'm writing driver for AC200 and EPHY
<jernej>
this will be interesting
<MoeIcenowy>
I don't know why H6 will try to put in a RTC on main SoC
<MoeIcenowy>
A80/A83T just have no RTC on-chip
<MoeIcenowy>
and requires on AC100/200 for RTC
<mru>
over here we just use an external pcf8523 or similar
<mru>
even if the soc has one built-in
<MoeIcenowy>
mru: just as we said, we have two
<MoeIcenowy>
not one
<anarsoul>
MoeIcenowy: *sigh* do they even test their SoCs?
<hellsenberg>
why do you think all SoCs have chicken fingers?
<hellsenberg>
s/fingers/bits
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<Mangy_Dog>
hmmm
<Mangy_Dog>
just ran the install orange retro pi onto emmc from inside orange retro pi and rebooted, and the stupid allwinner h3 android os botted again
<Mangy_Dog>
booted
<Mangy_Dog>
i thought the armbian was going to install over that :/
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<jernej>
MoeIcenowy: Do you know by any chance if efuse is unusable inside H6's AC200?
<jernej>
all drivers have an exception to look into SoC SID instead
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<libv>
Mangy_Dog: i am now
<Mangy_Dog>
great, i now just completely forgot what i was going to ask :D
<Mangy_Dog>
oh yeah thats it... You dont think the problem is being cuased by me using a BTB connector to send the HDMI signel between the hdmi plug and daughter board of my project do you
<Mangy_Dog>
i mean i dont see why it would personally... its not like theres much chance for interfearance....
<Mangy_Dog>
its also a really short run to the chip....
<Mangy_Dog>
and i have gnd spaces between each dif pair once its on the pcb
<Mangy_Dog>
in any case i would have thought for such a short run it wouldnt make that much of a difference as it would if i was using a normfl hdmi cable
<libv>
forget the hdmi traces for now
<libv>
you're not getting backlight solid yet
<mru>
kicad 5 has (somewhat clunky) diff pair routing
<mru>
the hdmi spec will say how much skew is allowed between the 4 pairs
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<BorgCuba>
hi, is there some program to test mali (binary blob) opengles?
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<BorgCuba>
on fbdev
<mru>
there's a gears variant for that
<libv>
any of the REing tests that i wrote back in 2012-2013, many of which were used to do initial REing for any of the other arm gpu families