[Bug 67245] [BayTrail-M] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67245

--- Comment #21 from Jani Nikula <jani.nikula at intel.com> ---
(In reply to comment #20)
> Below is the steps of getting dmesg.log.
> Power on->backlight is black, then press ctl+alt+F2 to enter to
> tty2->backlight still is black, I log in step by step, then type dmesg >
> dmesg.log-> dmesg.log generated.

Thanks, this is the kind of dmesg I want!

And it tells me you're running kernel version "3.11.0-8.11.1.i686.PAE" which
clearly isn't drm-intel-nightly branch of [1], which has relevant fixes. Please
do try that.

Also, I see that you have backlight=vendor kernel parameter. That doesn't
exist; it's actually acpi_backlight=vendor. But please try the -nightly branch
*without* any backlight parameters first. Thanks.

[1] git://people.freedesktop.org/~danvet/drm-intel

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