Re: [PATCH v2 1/2] virtio-gpu: splitting one extended mode guest fb into n-scanouts

[Gerd Hoffmann]

On Mon, Jul 26, 2021 at 02:59:49PM -0700, Dongwon Kim wrote:
> When guest is running Linux/X11 with extended multiple displays mode enabled,
> the guest shares one scanout resource each time containing whole surface
> rather than sharing individual display output separately. This extended frame
> is properly splited and rendered on the corresponding scanout surfaces but
> not in case of blob-resource (zero copy).
> 
> This code change lets the qemu split this one large surface data into multiple
> in case of blob-resource as well so that each sub frame then can be blitted
> properly to each scanout.

Fails windows test build too.

take care,
  Gerd