[Bug 92878] eDP link clock recovery fails with *ERROR* too many full retries, give up

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Feb 3 14:11:35 UTC 2016


https://bugs.freedesktop.org/show_bug.cgi?id=92878

--- Comment #12 from Ander Conselvan de Oliveira <conselvan2 at gmail.com> ---
Could you apply attachment 118562 (from bug 90963) and attach a dmesg with
debug again. This would show what exactly the sink requests when the driver
sets vswing to level 2 and pre-emphasis to 1.

This could be related to an issue Sivakumar  once mentioned, that the driver
handles the request from the sink wrong, using the maximum supported
pre-emphasis for the requested voltage swing, instead of using the requested
pre-emphasis with the maximum support vswing.

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