Re: [PATCH v2 0/5] gpu: nova-core: gsp: cmdq: preparatory changes for r000 support

[Alexandre Courbot]

On Mon Nov 2, 2026 at 9:09 PM JST, Alexandre Courbot wrote:
> This series contains patches 5, 6 and 8 from John's r000 series v3 [1]
> that prepare the command queue so that the r000 switch applies more
> cleanly. They are submitted separately to make review and merging
> faster, and because they are also valuable even without the r000 switch.
>
> Patch 1 is a drive-by fix of the `NV_PFSP` register declarations that is
> included here as the `NV_PGSP` declarations mirror the `NV_PFSP` ones.
> Patch 5 is another requirement for the r000 command queue.
>
> No functional change is introduced by this series.
>
> Applies cleanly on `drm-rust-next`, and runtime-tested successfully on
> Ampere.
>
> [1] https://lore.kernel.org/20260918010719.1176945-1-jhubbard@xxxxxxxxxx
>
> Signed-off-by: Alexandre Courbot <acourbot@xxxxxxxxxx>
> ---
> Changes in v2:
> - Add patch returning the sequence number of posted commands.
> - Add `Fixes:` tag to patch 1. (Eliot)
> - Deslop a couple of commit messages. (Eliot)
> - Use I/O projections in the command queue. (Gary & Eliot)
> - Link to v1: https://patch.msgid.link/20261030-r000-cmdq-prep-v1-0-f2befbcd8ba9@xxxxxxxxxx
>
> ---
> Alexandre Courbot (2):
>       gpu: nova-core: fix stride of NV_PFSP_* registers
>       gpu: nova-core: gsp: cmdq: expose the sequence number of sent commands
>
> John Hubbard (3):
>       gpu: nova-core: regs: add msgq v2 BAR0 register declarations
>       gpu: nova-core: gsp: cmdq: ring the GSP doorbell from the queue memory
>       gpu: nova-core: gsp: cmdq: compute the queue regions from a count and a slot

Pushed to drm-rust-next, thanks for the reviews!