03-05-2020, 09:09 AM
Update: I tried installing unstable Debian using danielt's script, which brings a substantially newer kernel (5.5.0). The flood of "dpcd read failed: -22" errors do not happen with this kernel, but I still get the "Get sink capability timed out" error, and the external display doesn't activate:
I also tested the cable and USB-C adapter using a different computer (running Windows) and they seem to be fine.
please help i'm at my wits' end here
Code:
[ 4.345616] cdn-dp fec00000.dp: [drm:cdn_dp_pd_event_work [rockchipdrm]] Not connected. Disabling cdn
[ 4.501049] cdn-dp fec00000.dp: [drm:cdn_dp_pd_event_work [rockchipdrm]] Connected, not enabled. Enabling cdn
[ 9.692480] cdn-dp fec00000.dp: [drm:cdn_dp_check_sink_connection [rockchipdrm]] *ERROR* Get sink capability timed out
[ 9.694181] cdn-dp fec00000.dp: [drm:cdn_dp_pd_event_work [rockchipdrm]] *ERROR* Enable dp failed -19I also tested the cable and USB-C adapter using a different computer (running Windows) and they seem to be fine.
please help i'm at my wits' end here
