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<narmstrong> z3ntu: I'm looking at your 4lanes logs on fairphone5
<narmstrong> z3ntu: first thing I see is that QPHY_V3_DP_COM_PHY_MODE_CTRL stays at 0x03 which means the phy driver didn't get the right mux mode
<narmstrong> z3ntu: do you have a tree with the 4 lanes patchet applied + your changes ?
<narmstrong> z3ntu: the PHY should receive `TYPEC_DP_STATE_C` or `TYPEC_DP_STATE_E` to switch in a DP_ONLY only modem could you trace that ?
<narmstrong> damn I know why, the retimer doesn't send the mode to the phy...
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<z3ntu> narmstrong: I think this was the tree I've tested with: https://github.com/z3ntu/linux/commits/sc7280-6.9-wip-dp4lane
<z3ntu> not sure if what I sent was with Konrad's "phy_hax" or without
<narmstrong> yeah I don't see it on the list so far
<narmstrong> z3ntu: so indeed the mode doesn't get sent to the phy... so the retimer drivers need to broadcast it
<z3ntu> narmstrong: So something's missing in my ptn36502 redriver driver?
<narmstrong> z3ntu: I'm preparing a change for that, could you test it sometime ?
<z3ntu> sure!
<z3ntu> I can test until tomorrow afternoon, then I'm away for a few days
<narmstrong> no problem !
<narmstrong> I don't have a board with a retimer in my hands today anyway, so it can definitely wait, I'll reply to the thread on the mailing-list with my findings and a link to the changes to test!
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<konradybcio> so it currently works on e.g. 8650 because theres no retimer in the middle? narmstrong
<narmstrong> exact
<narmstrong> haven't tested it enough, hopefully I sent an RFT :-p
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<z3ntu> narmstrong: seems to be good now on FP5 phone with your patch, the monitor lights up and dp_debug says 4 lanes are used :)
<z3ntu> I'll reply to your email later
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<narmstrong> Nice !
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<ungeskriptet> Did something change in the drm/msm driver recently? I'm getting DPU errors on next-20240523 on my dual DSI SM8250 tablet: https://paste.mainlining.org/ungeskriptet/30d84d3e13f54be989fd477aa7cf9ddd
<ungeskriptet> Display does not work as a result of that
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<Marijn[m]> ungeskriptet: bisect perhaps? I haven't tested dual-DSI (with DSC) in at least two weeks