[Bug 98912] [SKL] ext. HDMI hotplug not working on i7-6700HQ laptop

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Nov 30 15:44:10 UTC 2016


https://bugs.freedesktop.org/show_bug.cgi?id=98912

--- Comment #5 from Imre Deak <imre.deak at intel.com> ---
(In reply to raptorteak from comment #4)

I'm guessing that you have an LSPCON DP->HDMI adaptor on the board and your
kernel missing the support for it. You could check with:

# i2cdump -y 4 0x40 i

If that succeeds (should return the adaptor ID), could you try the drm-tip
branch from:
git://anongit.freedesktop.org/drm-tip

That includes LSPCON support.

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