[PATCH 00/15] Share TTM code among framebuffer drivers

[kraxel at redhat.com]

  Hi,

> > The qemu stdvga (bochs driver) has 16 MB vram by default and can be
> > configured to have up to 256 MB.  Plenty of room even for multiple 4k
> > framebuffers if needed.  So for the bochs driver all the ttm bo
> > migration logic is not needed, it could just store everything in vram.
> 
> To clarify I assume you mean it doesn't need the migrate each bo
> logic, but it still needs the when VRAM fills up migrate stuff logic.

I think even the "when vram fills up" logic isn't that important.  The
driver has no acceleration so there is nothing to store beside dumb
framebuffers, and the vram size can easily be increased if needed.

cheers,
  Gerd