Re: [PATCH v2 1/1] gpu: nova-core: populate GSP_VF_INFO when vGPU is enabled

From: Alexandre Courbot

Date: Mon Nov 02 2026 - 03:26:56 EST


On Wed Aug 5, 2026 at 2:00 AM JST, Zhi Wang wrote:
> GSP firmware requires VF BAR layout information to correctly route
> interrupts and doorbell events to individual virtual functions.
> Without this data the firmware cannot set up per-VF event routing.
>
> When vGPU mode is enabled, read the VF topology from the typed PCI
> SR-IOV extended capability and populate the GSP_VF_INFO embedded in
> the GSP_SYSTEM_INFO command. Keep the VF information builder associated
> with GspSetSystemInfo since it is only used to construct that command.
>
> Link: https://lore.kernel.org/nova-gpu/20260730181404.776028-2-zhiw@xxxxxxxxxx/
> Signed-off-by: Zhi Wang <zhiw@xxxxxxxxxx>

Pushed to drm-rust-next, thanks!