On Wed, 26 Nov 2025 06:17:25 +1000 Dave Airlie <[email protected]> wrote:
> On Tue, 25 Nov 2025 at 19:15, Christian König <[email protected]> > wrote: > > > > On 11/25/25 10:08, Dave Airlie wrote: snip > So far I haven't heard anything about needing dma-buf interactions at > that level, and maybe Zhi has more insight into the future there. > For VFIO parts, the vendor VFIO driver relies on the core driver's support to export the VM's framebuffer to the userspace either as type a) VFIO_GFX_PLANE_TYPE_REGION, framebuffer as a region or b) VFIO_GFX_PLANE_TYPE_DMABUF, framebuffer as a dmabuf, which is usually backed by a GEM object. NVIDIA vGPU uses VFIO_GFX_PLANE_TYPE_REGION, so dma-buf interactions are not required. > Dave.
