[Bug 203471] Tearing on Raven Ridge and RX560X PRIME setup even with Vsync enabled

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Thu Aug 8 07:58:58 UTC 2019


--- Comment #12 from Michel Dänzer (michel at daenzer.net) ---
(In reply to vr00m from comment #11)
> ICYMI, I was able to solve the tearing problem with raven ridge using
> iommu=soft boot param.

Tearing isn't related to the IOMMU. Scatter/gather scanout support for Raven
Ridge is landing now, maybe you're running a development snapshot kernel which
has it already?

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