[Intel-gfx] [PATCH] drm/i915: prefer wide & slow to fast & narrow in DP configs

[Keith Packard]

Jesse Barnes <jbarnes at virtuousgeek.org> writes:

> High frequency link configurations have the potential to cause trouble
> with long and/or cheap cables, so prefer slow and wide configurations
> instead.  This patch has the potential to cause trouble for eDP
> configurations that lie about available lanes, so if we run into that we
> can make it conditional on eDP.

I *have* run into this on eDP machines already, which is why the code
loops this way today...

-- 
keith.packard at intel.com
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