From: Jani Nikula <jani.nikula@linux.intel.com>
To: "Gergely Nógrádi" <gergely.nogradi@idata.hu>,
intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
daniel.vetter@intel.com
Subject: Re: DELL Latitude e5540 Intel 4400 3rd display problem
Date: Wed, 04 Feb 2015 15:34:45 +0200 [thread overview]
Message-ID: <87bnl9yf4a.fsf@intel.com> (raw)
In-Reply-To: <CAP_XykwNP8nqVgtVJOVwGZm5tkrveGgT8RX9WzWLiqpnFvkyQA@mail.gmail.com>
On Mon, 02 Feb 2015, Gergely Nógrádi <gergely.nogradi@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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next prev parent reply other threads:[~2015-02-04 13:34 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-02 17:04 DELL Latitude e5540 Intel 4400 3rd display problem Gergely Nógrádi
2015-02-04 13:34 ` Jani Nikula [this message]
2015-02-11 15:26 ` Gergely Nógrádi
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