Beta Convergence edition external display?
#1
Hi

I have a brand new PP Beta Convergence, and I wonder if external display works for somebody.
I have tried all the major OSs, and Megi's latest multi.img, but none of those got me closer to a working external display.
After multiple displays, and docking stations which all work otherwise, I am starting to suspect the hardware.

What I often see in dmesg is "unknown message", and DP state 0x03:
Code:
[ 3281.804404] anx7688 1-0028: received SVID
[ 3281.808389] anx7688 1-0028: recv ocm message cmd=0x27 09 27 03 80 01 ff 05 0c 00 00 3c
[ 3281.808449] anx7688 1-0028: received unknown message 0x27
[ 3281.818932] anx7688 1-0028: recv ocm message cmd=0x19 01 19 e6
[ 3281.818999] anx7688 1-0028: received DP_ALT_ENTER
[ 3283.730685] anx7688 1-0028: DP state changed to 0x03
 

And that wlr-randr can't turn on the HDMI:
Code:
wlr-randr --output card1-HDMI-A-1 --on
unknown output card1-HDMI-A-1


But this directory is present:
Code:
/sys/devices/platform/display-engine/drm/card1/card1-HDMI-A-1/

Any tips on how to debug this further?
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Messages In This Thread
Beta Convergence edition external display? - by Ferenc - 07-25-2021, 11:45 PM

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