rellla 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 - *only registered users can talk*
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<wens> veremitz: iirc it's always saturday night
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<wens> veremitz: people go to the beer event on friday, and leave sunday night, so saturday is the ideal choice
<macifom> I'm over in #u-boot trying to figure out why u-boot compiled with GCC 8.2.0 data aborts when loading the kernel
<macifom> I've posted some testing info on their mailing list. Does anyone here have experience with u-boot + newer GCC on H3?
<wens> macifom: can you try applying jagan's musb-new clean-ups?
<wens> I meant to try them w/ gcc 8.2 myself, but haven't found the time
<macifom> I can try anything you point me to
<macifom> I've tested up to 2018.09-rc2, are those changes not in there?
<wens> let me dig up the series
<wens> not yet
<macifom> are these changes expected to address issues like these with new GCC?
<wens> macifom: they fix musb-new cleanup, which itself has some issues with improper access, so there might be a chance
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<macifom> wens, thanks, it applies cleanly over 2018.09-rc2 so I'll try it there as soon as my build machine comes up for air
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<wens> don't bother, I just tested it, it doesn't fix the data abort :(
<macifom> wens, I see, what's your take on this? from your mailing list post it sounded like you thought this was a recent regression in u-boot
<macifom> but I tried as far back as 2018.05 with GCC 8.2.0 and it fails
<macifom> have you had any successes with 2018.07 on any GCC versions?
<wens> later on I thought that it was the newer toolchain
<wens> 6.x works, 7.x and 8.x don't
<wens> so I suggest getting the linaro toolchain for now :(
<macifom> I roll my own toolchain, so that's not happening ;)
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<macifom> I had success with 2018.05 on either 7.3.0 or 7.2.0
<wens> btw, if you do have time to test other configs, try having u-boot boot secure
<wens> you lose smp though
<macifom> oof, that's a bit of a penalty
<macifom> I'll add it to my list of things to try out
<macifom> I'm about two months late on a major OS revision... not sure why I decided a toolchain upgrade would be a good idea
<wens> I forgot, it's just an env setting, so I can try it without rebuilding
<wens> and it works
<wens> so the issue is somewhere in the sec/non-sec or psci code
<wens> the hardest part to debug :(
<macifom> working with the u-boot devs, we determined that A20 doesn't appear to be affected
<macifom> or rather, the bananapi defconfig isn't affected
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<macifom> I had wondered if maybe some DE2 code could be involved, as there's been work there
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<wens> it fails on the A33 as well, which is DE1
<macifom> hmm
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<wens> mali-450 es2gears performance at 4 fps on h5 lol
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<lvrp16> lol
<MoeIcenowy> wens: checked PMU IRQ issue?
<MoeIcenowy> I think mripard/sunxi-mali has an issue mentioned it
<MoeIcenowy> wens: btw does your graphics has corruption?
<MoeIcenowy> (with mali-450
<wens> MoeIcenowy: using meson driver now
<wens> MoeIcenowy: no corruption. what kind are you seeing?
<wens> my armsoc driver is heavily patched though
<wens> ok, I think I see how to wire the PMU IRQ
<wens> you still need blobs from rockchip or amlogic for mali-450 though. The allwinner ones don't seem to support it
<MoeIcenowy> ah-oh
<MoeIcenowy> wens: then if you run heavy programs will GL_OUT_OF_MEMORY happen?
<MoeIcenowy> if it doesn't happen then you didn't meet my problem ;-0
<MoeIcenowy> ;-)
<MoeIcenowy> I met it with RK r7p0
<MoeIcenowy> after directly cheat the driver to be a PMUless design
<wens> I don't see the driver ever requesting irq for PMU
<wens> where did you see it waiting for the PMU?
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<MoeIcenowy> wens: didn't see, but it really fixed the 5fps issue
<wens> so how did you bypass it? remove the PMU address base?
<MoeIcenowy> yes
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<wens> looks like mali_pmu_wait_for_command_finish() doesn't actually "wait" on mali400
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<wens> and pmu time outs :(
<f11f12> wens: do you know how the mali binaries know where the framebuffer memory is? I have mali running on V40 (gles test) but it doesn't render in the framebuffer, so the screen is blank
<wens> I think it depends on what variant you are using
<f11f12> I'm using r6p2 of the mali blobs
<wens> yes, and what "variant"? x11? fbdev?
<f11f12> fbdev
<wens> I've only used the X11 variant myself
<f11f12> stracing I can see it opens /dev/fb0 which otherwise works fine.
<wens> with fbdev it probably just renders directly to fb0
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<wens> my X11 seems to crash after a while, when the screen goes to sleep :(
<wens> looks like the mali450 on the h5 does not have a PMU. The registers in that address space cannot be changed
<MoeIcenowy> wens: interesting
<MoeIcenowy> but why is there an interrupt?
<wens> don't know
<wens> anyway now it's at 60 fps
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<felipeduque> hi all. has anyone ever recorded audio with adafruit i2s mic on H3 mainline kernel? this is the mic: https://learn.adafruit.com/adafruit-i2s-mems-microphone-breakout/overview
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<felipeduque> when I try arecord, it says: unable to install hw_params, and dmesg states: unsupported oversample rate: 2083
<felipeduque> in Raspberry, the mic works ok and I can capture audio
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