[Bug 106191] FirePro v8800 Failure to recognize DisplayPort signal

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106191

--- Comment #13 from François Jacques <francois.jacques at gmail.com> ---
Created attachment 139083
  --> https://bugs.freedesktop.org/attachment.cgi?id=139083&action=edit
REAL dmesg output (with debug messages)

Last attachment for tonight. This one its not /var/log/messages but really
dmesg output. We can see the debug messages as I disconnected the HDMI cable,
then connected the DP cable (no image, audio enabled), then disconnected and
reconnected the HDMI cable.

Hopefully that will be useful to stabilize DP display with audio.

Interesting bits:
[ 1288.208351] [drm:radeon_process_aux_ch.constprop.2 [radeon]] dp_aux_ch flags
not zero
[ 1288.208354] [drm:drm_dp_dpcd_access] Too many retries, giving up. First
error: -5

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