[Bug 92866] "vbetool dpms on" doesn't work with i915 Haswell

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92866

Jani Nikula <jani.nikula at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO

--- Comment #3 from Jani Nikula <jani.nikula at intel.com> ---
Holger, please add drm.debug=14 module parameter, and attach dmesg from boot to
trying to write values to /sys/class/backlight/intel_backlight/brightness.

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