https://bugs.freedesktop.org/show_bug.cgi?id=97029
--- Comment #11 from Michel Dänzer michel@daenzer.net --- (In reply to Johannes Hirte from comment #6)
The flickering happens even with R600_DEBUG=nodma.
The flickering should be tracked separately from this report then. Feel free to re-open bug 97119 for that, but you'll need to provide more information about the flickering.