Re: [PATCH v5 2/6] gpu: nova-core: do not consider 0xBB77 as a valid PCI ROM header signature

Gary Guo
2026-04-19T19:36:31Z

On Fri Apr 17, 2026 at 8:13 PM BST, Timur Tabi wrote:
> Nvidia GPUs have some PCI expansion ROM sections that have an Nvidia-
> specific signature instead of 0xAA55. Signature 0xBB77 is actually an
> internal-only value that has been deprecated for over a decade.
> Nova-core will never encounter a GPU with that signature, so don't look
> for it.
>
> Signed-off-by: Timur Tabi <ttabi@nvidia.com>
> Reviewed-by: Eliot Courtney <ecourtney@nvidia.com>

Reviewed-by: Gary Guo <gary@garyguo.net>

> ---
> drivers/gpu/nova-core/vbios.rs | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)