[RFC 04/29] nvkm/vgpu: set the VF partition count when NVIDIA vGPU is enabled

Jason Gunthorpe jgg at nvidia.com
Tue Oct 15 16:35:56 UTC 2024


On Tue, Oct 15, 2024 at 03:19:33PM +0000, Zhi Wang wrote:

> The FW needs to pre-calculate the reserved video memory for its own use, 
> which includes the size of metadata of max-supported vGPUs. It needs to 
> be decided at the FW loading time. We can always set it to the max 
> number and the trade-off is we lose some usable video memory, at around 
> (549-256)MB so far.

I think that is where you have to end up as we don't really want
probe-time configurables, and consider later updating how the FW works
to make this more optimal.

Jason


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