Comment # 16 on bug 85647 from Hannu

(In reply to Michel Dänzer from comment #14)
> Created attachment 108943 [details] [review] [review]
> radeonsi: Disable asynchronous DMA
> 
> Does this patch avoid the lockups?

No crashes/lockups with your patch after 2 days, testing continues. I will do
some full screen flash video testing on monday.

Today Xorg.0.log has a few of these:

[ 12208.821] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip
completion event has impossible msc 731959 < target_msc 731960
[ 13141.437] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip
completion event has impossible msc 787906 < target_msc 787907