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<icenowy[m]>
jernej: so could we move to use VI as primary plane if the user do not care video playback but really wants alpha blending on a mixer with only one UI channel?
<icenowy[m]>
(leave this as an option
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<jernej>
icenowy[m]: I don't think it's possible to change primary plane in HW, except if we make custom DT property, which I don't think it's good idea
<jernej>
however, we can add quirk for V3 in driver
<jernej>
but before that, I would test if V3 VI plane really don't support alpha blending
<jernej>
I have a feeling that A64 does support that, at least according to the code, but I never tested it
<jernej>
I'm sure H3 doesn't, but if I'm not mistaken, H3 is one of the earliest SoC with DE2 engine and it's possible they improved that later
<jernej>
unfortunately, testing this is a bit messy, since there is no zpos support yet
<jernej>
oh, for V3, you can put primary plane on first VI plane and test alpha on second VI
<wens>
has anyone tried otg on any reasonably recent kernel (like any released in 2017)?
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<wens>
blah... my bad... didn't notice usb gadget function Kconfig menu had changed
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<icenowy[m]>
P.S. I'm trying adding support to sunxi-fel, U-Boot and Linux for new Allwinner F-series SoCs
<icenowy[m]>
which shares the same die (seems to be called suniv from Melis SDK, but sometimes misnamed sun3i
<icenowy[m]>
(it's quite different from the sun3i that is supported by old linux-sunxi
<icenowy[m]>
the SoC ID is 0x1663, which also indicates it's a new design
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<wens>
qschulz, mripard: it seems the axp223 shares the same flaw as the axp221, in that the usb power supply does not send interrupts if drv_vbus is on
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<qschulz>
wens: the usb power supply only have two irqs: plugged-in or removed
<qschulz>
I guess that you never receive plugged-in then?
<qschulz>
I would expect removed to work since thepower supply is off
<wens>
it doesn't work when I plug or remove an otg cable
<wens>
it works when I plug or remove a peripheral cable
<wens>
turning off vbus (drv vbus) and the usb power supply removed probably happen close enough that the logic considers them the same event or blocks the event
<qschulz>
wens: I don't understand (I may be lacking of some knowledge), isn't the otg cable supposed to deliver power? then it makes sense not to receive any of the irq
<wens>
qschulz: otg, i.e., host mode, power is delivered from the board, probably using DRV_VBUS on the PMIC
<wens>
qschulz: and it seems when DRV_VBUS is used, interrupts for USB power supply on the PMIC are masked
<wens>
qschulz: Hans found this with the A31/AXP221. based on my experiments, I think it's the same for the AXP223. Don't know about the others
<wens>
but it explains why musb doesn't work on the a33-olinuxino, but on some other a33 boards
<wens>
on the boards that do work, the ID pin doesn't have interrupts either, so the phy driver resorts to polling, for both ID and VBUS states
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