[Bug 87682] Horizontal lines in radeon driver on kernel 3.15 and upwards

https://bugs.freedesktop.org/show_bug.cgi?id=87682

--- Comment #12 from Thom madeforspam@telfort.nl --- (In reply to Chris Bainbridge from comment #8)

So suggest enabling debug log and compare those two lines from a working and non-working kernel.

Done (see previous message) :-)

It should also be trivial to checkout a recent tag and revert the bad commit

Done :-) Reverted the bad commit on current 4.6.0-rc6+ an tested and it worked like a charm !! no display problems anymore

(there is a conflict but just delete the avivo_get_fb_ref_div function to resolve it).

I did, and thanks to your directions it all worked out perfectly :-)