From: Jani Nikula <jani.nikula@linux.intel.com>
To: Andy Lutomirski <luto@amacapital.net>,
Intel Graphics Development <intel-gfx@lists.freedesktop.org>,
DRI <dri-devel@lists.freedesktop.org>,
Mario Limonciello <mario_limonciello@dell.com>
Subject: Re: [Intel-gfx] DP link training and performance issues with HDMI USB-C dongle and Skylake
Date: Thu, 23 Jun 2016 11:57:58 +0300 [thread overview]
Message-ID: <87ziqci8o9.fsf@intel.com> (raw)
In-Reply-To: <CALCETrVKQsdFsB6u99n3w3DcHRgH7Ji92GXs7bHnrWeqMV587w@mail.gmail.com>
On Thu, 23 Jun 2016, Andy Lutomirski <luto@amacapital.net> wrote:
> I have a Dell XPS 13 9350 (Skylake) and a Dell DA200 adapter. The
> latter is a Thunderbolt device that includes an HDMI port and connects
> over USB Type C. I believe that it's internally using DP Alternate
> Mode.
> I don't know whether this is a hardware issue, an Alpine Ridge
> firmware issue (mine is out of date because it appears to be
> impossible to update it on Linux for now), or an i915 driver issue.
At least a driver issue. The support is not there yet. Bug at [1].
BR,
Jani.
[1] https://bugs.freedesktop.org/show_bug.cgi?id=93578
--
Jani Nikula, Intel Open Source Technology Center
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prev parent reply other threads:[~2016-06-23 8:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-23 1:30 DP link training and performance issues with HDMI USB-C dongle and Skylake Andy Lutomirski
2016-06-23 8:57 ` Jani Nikula [this message]
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