https://bugs.kde.org/show_bug.cgi?id=508308
--- Comment #10 from Syntist <[email protected]> --- (In reply to Zamundaaa from comment #9) > Direct scanout is an optional optimization that simply doesn't always work. > One GPU being able to (efficiently) do direct scanout from another GPU would > be a rare thing, not something you can expect. > > More specifically in this case however, the NVidia driver almost certainly > already does a copy from the dGPU to the integrated one, and it would need > to allocate these buffers on the integrated GPU in a way that they're > suitable for scanout. You can report that not working at > https://forums.developer.nvidia.com/c/gpu-graphics/linux > > (In reply to Enes from comment #2) > > Or maybe direct scanout and allow tear are not related? > They're pretty much completely unrelated. Okay, although It does work on the laptop with Intel iGPU and Nvidia dGPU, but just doesn't work with Radeon iGPU and Nvidia dGPU combo. Intel + Nvidia (works) Radeon + Nvidia (doesn't work) I'll make a report on nvidia forum related this. -- You are receiving this mail because: You are watching all bug changes.
