[Intel-gfx] [PATCH] drm/i915: make DP training try a little harder

[Yuanhan Liu]

On Wed, Jan 05, 2011 at 02:45:24PM -0800, Jesse Barnes wrote:
> When trying to do channel equalization, we need to make sure we still
> have clock recovery on all lanes while training.  We also need to try
> clock recovery again if we lose the clock or if channel eq fails 5
> times.  We'll try clock recovery up to 5 more times before giving up
> entirely.
> 
> Gets suspend/resume working on my Vaio again and brings us back into
> compliance with the DP training sequence spec.

This fixes the suspend/resume issue on my side, too.