03-03-2020, 10:58 AM
Yesterday, I was having no serious problems driving an external display from my PBP via a USB-C-to-HDMI adapter (J5create model JCA379).
This morning, I boot it up (it was shut off for the night), plug in the adapter, and the external display isn't recognized, and I see a flood of error messages in dmesg:
What might be wrong? I reiterate that this did work yesterday, and there have been no software updates since. I'm running the stock install and mrfixit_update.sh reports nothing to do.
This morning, I boot it up (it was shut off for the night), plug in the adapter, and the external display isn't recognized, and I see a flood of error messages in dmesg:
Code:
fusb302 4-0022: CC connected in CC1 as DFP
cdn-dp fec00000.dp: [drm:cdn_dp_pd_event_work] Not connected. Disabling cdn
fusb302 4-0022: PD connected as DFP, supporting 5V
fusb302 4-0022: DP config successful, pin_assignment 0x8
cdn-dp fec00000.dp: [drm:cdn_dp_pd_event_work] Not connected. Disabling cdn
fusb302 4-0022: attention, dp_status 9a
cdn-dp fec00000.dp: [drm:cdn_dp_pd_event_work] Connected, not enabled. Enabling cdn
cdn-dp fec00000.dp: [drm:cdn_dp_dpcd_read] *ERROR* dpcd read failed: -22
[57 repeated messages suppressed]
usb 3-1: new high-speed USB device number 2 using xhci-hcd
cdn-dp fec00000.dp: [drm:cdn_dp_dpcd_read] *ERROR* dpcd read failed: -22
[23 repeated messages suppressed]
usb 3-1: New USB device found, idVendor=2109, idProduct=2210
usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 3-1: Product: USB2.0 Hub
usb 3-1: Manufacturer: VIA Labs, Inc.
cdn-dp fec00000.dp: [drm:cdn_dp_dpcd_read] *ERROR* dpcd read failed: -22
hub 3-1:1.0: USB hub found
hub 3-1:1.0: 4 ports detected
cdn-dp fec00000.dp: [drm:cdn_dp_dpcd_read] *ERROR* dpcd read failed: -22
[87 repeated messages suppressed]
usb 3-1.2: new high-speed USB device number 3 using xhci-hcd
cdn-dp fec00000.dp: [drm:cdn_dp_dpcd_read] *ERROR* dpcd read failed: -22
[33 repeated messages suppressed]
usb 3-1.2: New USB device found, idVendor=2109, idProduct=0100
usb 3-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 3-1.2: Product: USB 2.0 BILLBOARD
usb 3-1.2: Manufacturer: VIA Technologies Inc.
usb 3-1.2: SerialNumber: 0000000000000001
cdn-dp fec00000.dp: [drm:cdn_dp_dpcd_read] *ERROR* dpcd read failed: -22
[94 repeated messages suppressed]
cdn-dp fec00000.dp: [drm:cdn_dp_check_sink_connection] *ERROR* Get sink capability timed out
cdn-dp fec00000.dp: [drm:cdn_dp_pd_event_work] *ERROR* Enable dp failed -19What might be wrong? I reiterate that this did work yesterday, and there have been no software updates since. I'm running the stock install and mrfixit_update.sh reports nothing to do.
