[Intel-gfx] drm/i915/dp: Correctly report eDP in the core connector type

[Jan-Hendrik Zab]

On 03/10/10 08:04 -0700, Jesse Barnes wrote:
> On Thu, 2 Sep 2010 23:37:26 +0800
> Zhenyu Wang <zhenyuw at linux.intel.com> wrote:
[snip]
> > Adam, I believe this one causes regression on PCH eDP port as
> > for bug 27220. It changes behavior in mode_set path to program
> > FDI link properly. 
> > 
> > I think above part should be reverted for .36 kernel. What's your
> > idea? 
> > 
> > Thanks Yakui to remind me about this recent change.
> 
> Did PCH eDP ever work?  I'll try going back to a kernel before this
> change, but current code definitely seems broken (we get never try to
> get a real clock value for PCH eDP, and I don't think we program the
> transcoder regs at all).
> 
> Even with those fixed though (among other things), I haven't been able
> to get my Vaio with switchable graphics working.  Which platforms did
> you have working, and what changeset is most likely to work?

There were a few revisions that worked fine with a Vaio VPCZ11C5E,
among them:
	
 - 36e83a187ca7517e9bdce7148b1c2c27661ef38f
 - a2757b6fab6dee3dbf43bdb7d7226d03747fbdb1

But I was unable to bisect the problem properly until now and bug 29414
isn't exactly helping either.

	-jhz