[PATCH v3 0/2] vfio: add vgpu edid support
Kirti Wankhede
kwankhede at nvidia.com
Fri Sep 28 08:43:33 UTC 2018
On 9/28/2018 11:17 AM, Gerd Hoffmann wrote:
> Hi,
>
>>> 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,
>>
>> As of now, default edid with basic modes is provided with NVIDIA driver,
>> so don't have such requirement.
>
> The advantage would be that the default mode can be changed, so the host
> can give a hint to the guest which of the video modes should be used.
>
> The qemu test branch[1] adds xres and yres properties as showcase, i.e.
> you can use -device vfio-pci,xres=1280,yres=900,...
>
>> As I understand, if VFIO_REGION_SUBTYPE_GFX_EDID region is not provided
>> by vendor driver, console vnc should work as it is now.
>
> Yes, the region is optional.
>
Ok.
Looks good to me. Just add comment as I mentioned in other mail.
Thanks,
Kirti
> cheers,
> Gerd
>
> [1] https://git.kraxel.org/cgit/qemu/log/?h=sirius/edid-vfio
>
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