DELL Latitude e5540 Intel 4400 3rd display problem

[Gergely Nógrádi]

Dear Jani!

Thank you for the quick replay.
I tried and tried the v3.18 and v3.19-rv7 kernels, but thx X can't start.
Do you have any other idea?

BR,
Gergő

Üdvözlettel:

Nógrádi Gergely
gergely.nogradi at idata.hu


2015-02-04 14:34 GMT+01:00 Jani Nikula <jani.nikula at linux.intel.com>:

> On Mon, 02 Feb 2015, Gergely Nógrádi <gergely.nogradi at idata.hu> wrote:
> > I can't configure the 2nd or 3rd display on my Dell Latitude e5540
> > notebook and Dell NB Port Replicator.
> > I tried to connect DVI, DP and VGA to Port Replicator and it is
> > working only in mirror mode.
> > The only way to use 2 external display if I connect the DVI or DP to
> > Port Replicator and HDMI to notebook.
> > I send the logs and system environment.
>
> The replicator probably needs DP MST support. Please try a newer kernel,
> say v3.18 or v3.19-rc7, and see what happens. Attach dmesg with
> drm.debug=14 module parameter set, running the new kernel.
>
> BR,
> Jani.
>
>
> --
> Jani Nikula, Intel Open Source Technology Center
>
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