[Intel-gfx] PCH eDP fixes

[Jim Gettys]

On 10/07/2010 07:01 PM, Jesse Barnes wrote:
> Here's the set of PCH eDP fixes I came up with once I received my Sony
> Vaio.  I found a few, non-PCH issues in the process, and took the
> opportunity to enhance our eDP support to avoid most of the DP training
> if the VBIOS gives us good data.
>
> This patchset is against ickle's drm-intel-next branch as of a few hours
> ago, and is working on my test machine.  Before I rebased, I had success
> reports from several users on bug
> https://bugs.freedesktop.org/show_bug.cgi?id=29141.  The key change
> there was to work around a newly discovered Ironlake panel power
> sequencing bug (need to disable clock gating for the panel power
> sequencing unit); before that change, panel bringup was very
> intermittent.
>

These patches work on my HP 2540p which has had the nasty flicker 
problem. https://bugs.freedesktop.org/show_bug.cgi?id=29821

Suspend does not work, however; much less resume: but at least this is 
the first thing I've been able to run in a very long time that works.
                 - Jim