[Intel-gfx] drm/i915/dp: Correctly report eDP in the core connector type
jbarnes at virtuousgeek.org
Mon Oct 4 09:45:56 PDT 2010
On Mon, 4 Oct 2010 15:13:17 +0200
Jan-Hendrik Zab <jan at jhz.name> wrote:
> 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:
> > > 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.
First commit adds eDP on PCH support but doesn't work for me. Second
looks unrelated on ILK (SNB caching bits commit).
Jesse Barnes, Intel Open Source Technology Center
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