[Bug 89554] [SKL Bisected] eDP can not be lighted up after entering kernel

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89554

--- Comment #45 from Sonika <sonika.jindal at intel.com> ---
(In reply to ye.tian from comment #44)
> (In reply to ye.tian from comment #43)
> > Test it on the latest nightly kernel(87afe90f) with i915.edp_vswing=2, This
> > issue has gone away.
> 
> Without i915.edp_vswing=2, This issue also has gone away.
> Verified.

Without i915.edp_vswing=2, the issue is not reproducible? Strange..
By default it uses VBT's input.
If it works without this param, are you sure you are using the original setup
with default vbt (and not the stitched one in which the default value was
changed)?

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