[PATCH v3 0/2] vfio: add vgpu edid support
Gerd Hoffmann
kraxel at redhat.com
Wed Oct 10 10:41:09 UTC 2018
On Wed, Oct 10, 2018 at 05:05:26PM +0800, Zhenyu Wang wrote:
> On 2018.09.25 12:23:56 -0600, Alex Williamson wrote:
> > On Fri, 21 Sep 2018 10:30:11 +0200
> > Gerd Hoffmann <kraxel at redhat.com> wrote:
> >
> > > Update vfio api, adapt mbochs sample driver.
> > >
> > > v3: refine vfio region layout, improve documentation.
> > > v2: try vfio region approach.
> > >
> > > Gerd Hoffmann (2):
> > > vfio: add edid api for display (vgpu) devices.
> > > vfio: add edid support to mbochs sample driver
> > >
> > > include/uapi/linux/vfio.h | 50 +++++++++++++++++
> > > samples/vfio-mdev/mbochs.c | 136 ++++++++++++++++++++++++++++++++++++++-------
> > > 2 files changed, 167 insertions(+), 19 deletions(-)
> > >
> >
> > This looks good to me, but I'm not clear if the discussion about pixel
> > clocks fully ran its course. Zhenyu, are you satisfied GVT-g can work
> > within this interface? Any comments from NVIDIA? Thanks,
> >
>
> For current vfio gfx, I think this is fine. For really limited HW
> that might have clock gap, we could skip edid region support on it.
>
> I'm not sure if we'd like to extend it for multiple display support?
> As it seems edid blob definition is self-contained, maybe we'll only
> have some region index reference added?
We do not have multiple display support in the vfio display api anyway.
cheers,
Gerd
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