[8086:0416] i915 Inability to drive internal (eDP) panel since 4.7 final

[Jani Nikula]

On Mon, 22 Aug 2016, Tony Vroon <tony at linx.net> wrote:
> Recent i915 development appears to have stopped my eDP panel from being
> driven correctly. The last working release was 4.6.7; any 4.7 kernel
> will not drive the screen and 4.8-RC3 does not drive the screen either.
> I have both 4.6.7 and 4.8.0-rc3 kernel images available and am happy to
> run any debug/troubleshooting that you require.

Please file a bug at [1]. Please attach drm.debug=14 module parameter,
and attach dmesg all the way from boot. If you can bisect which commit
broke it, it would speed this up considerably.

BR,
Jani.

[1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel

-- 
Jani Nikula, Intel Open Source Technology Center