[Bug 65757] [snb pch eDP regression] Screen sometimes remains black after mode change - old fast & narrow link is more stable

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=65757

--- Comment #11 from Daniel Vetter <daniel at ffwll.ch> ---
Yeah, we've frobbed around the dp aux code a bit in that timeframe, among the
changes are that we now use interrupt-driven dp aux transactions. Could very
well be that the resulting little timing changes upset the Chrontel, but we
should all have timeouts within spec limits.

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