Comment # 31 on bug 104001 from mikhail.v.gavrilov@gmail.com

(In reply to Marek Olšák from comment #30)
> This might fix it:
> https://cgit.freedesktop.org/mesa/mesa/commit/
> ?id=d15fb766aa3c98ffbe16d050b2af4804e4b12c57

For which mesa version this patch?

My si_pipe.c (mesa 18.0.1) looks differently
https://imgur.com/a/dc3RoHi