https://bugs.freedesktop.org/show_bug.cgi?id=75917
--- Comment #10 from Alex Deucher agd5f@yahoo.com --- Created attachment 99427 --> https://bugs.freedesktop.org/attachment.cgi?id=99427&action=edit possible fix v2
(In reply to comment #9)
The patch works fine, however the display backlight switches off for several seconds during X init now (it didn't with kernel 2.12) but this is not really a problem, as it comes back happily :) thank you.
Does this patch work any better?