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
