Re: [PATCH v4 0/5] gpu: nova-core: blackwell follow-ups and fixes
"Alexandre Courbot" <[email protected]>
| Newsgroups | dev.linux.lists.nova-gpu,org.freedesktop.lists.dri-devel,org.kernel.vger.linux-kernel,org.kernel.vger.rust-for-linux |
|---|---|
| Message-ID | <[email protected]> |
On Tue, 04 Aug 2026 14:41:11 +0900, Eliot Courtney wrote:
> Make FbLayout code more obvious and correct.
>
> Currently, the frts vidmem offset is calculated based on the non-wpr
> heap size and pmu reservation size, but AFAICT this is not right. The fb
> layout actually looks like: | non-wpr heap | WPR2 .. FRTS | PMU reserved
> | ... | VGA workspace | It's just by coincidence + generous alignment
> that the values happened to match with something more like pmu reserved
> size + vga workspace.
>
> [...]
Applied to drm-rust-next, thanks!
Tested on TU106, GA107, GB203 - all booting and unloading successfully.
Edits on patch 1 done after offline confirmation with Eliot.
[1/5] gpu: nova-core: correct FRTS vidmem offset calculation
[acourbot: add comment clarifying reason for testing pmu_reserved_size.]
[acourbot: make fb_end_reserved_size() return u64.]
commit: 5c9deba5578db5a3ea05be8a3e4a59ecb08ee76f
[2/5] gpu: nova-core: rename heap size field
commit: b2bc53d34435043001223cbbd9429b0b6d71bc59
[3/5] gpu: nova-core: return non-WPR heap size as u64 from HALs
commit: 744e168d62fc50b362a4835f77feafd417b965a1
[4/5] gpu: nova-core: split FbLayout into FSP and non-FSP versions
commit: 6e46097f4d616a0f81083ae2c112efbb1473539e
[5/5] gpu: nova-core: pass WPR metadata ownership to FmcBootArgs
commit: 528aef3a4bdd85137de9ec76bd02eacdf8160bb5