Re: [PATCH v3 3/3] gpu: nova-core: gsp: Extract and display usable FB regions from GSP

[Danilo Krummrich]

On Sat Jun 20, 2026 at 4:06 PM CEST, Alexandre Courbot wrote:
> I expect that the users of the VRAM regions (i.e. the MM subsystem) will
> not be able to contruct properly if no region is detected, and that sounds
> like the right place to raise an error rather than making an assumption
> here that no VRAM region is an error. For instance, I am not sure what
> the regions layout will be on Tegra systems, although your comment about
> OpenRM seems to hint that there are regions defined for them as well.

Well, the question is whether it would just be an assumption that no VRAM region
is an error. I'm not entirely sure, but I think it generally is an error. If
that's confirmed I'd rather fail early and with a clear message, and not carry
on with something we already know won't work out.