Comment # 10
on bug 82050
from Andy Furniss
(In reply to comment #9) > Created attachment 104475 [details] [review] [review] > Flush HDP cache via the ring on SI > > Does this patch help for the kernel regression? > > Though this seems to make some piglit test results unstable... There is no difference with this. FWIW I found another regression with this kernel that is caused by the same commit. Maybe regression is the wrong word, as there was already an issue, just it's worse now. I will file a separate bug in time (was planning to do new xorg and retest first) but in summary - Unigine Valley always did have some 1/2 to 1 sec pauses ever since I could run it, first on HD4890 and now radeonsi R9 270X. Since this kernel commit they are 2 to 4 times longer - also unchanged by patch. Strangely, if I use ffmpegs x11 grab to make a recording @ 30fps they become short again.
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