Re: [PATCH v8 0/7] Rust bindings for gem shmem + iosys_map

[Deborah Brouwer <deborah.brouwer@collabora.com>]

On Wed, Mar 11, 2026 at 03:52:39PM -0400, Lyude Paul wrote:
> This is the next version of the shmem backed GEM objects series
> originally from Asahi, previously posted by Daniel Almeida.
> 
> One of the major changes in this patch series is a much better interface
> around vmaps, which we achieve by introducing a new set of rust bindings
> for iosys_map.
> 
> The previous version of the patch series can be found here:
> 
> https://patchwork.freedesktop.org/series/156093/
> 
> This patch series may be applied on top of the
> driver-core/driver-core-testing branch:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core.git/log/?h=driver-core-testing

Hi Lyude,
I rebased the tyr firmware boot series on v8 of this series and it
works without issue. Thanks for this!

Tested-by: Deborah Brouwer <deborah.brouwer@collabora.com>

> 
> Changelogs are per-patch
> 
> Asahi Lina (2):
>   rust: helpers: Add bindings/wrappers for dma_resv_lock
>   rust: drm: gem: shmem: Add DRM shmem helper abstraction
> 
> Lyude Paul (5):
>   rust: drm: Add gem::impl_aref_for_gem_obj!
>   rust: drm: gem: Add raw_dma_resv() function
>   rust: gem: Introduce DriverObject::Args
>   rust: drm: gem: Introduce shmem::SGTable
>   rust: drm/gem: Add vmap functions to shmem bindings
> 
>  drivers/gpu/drm/nova/gem.rs     |   5 +-
>  drivers/gpu/drm/tyr/gem.rs      |   3 +-
>  rust/bindings/bindings_helper.h |   3 +
>  rust/helpers/dma-resv.c         |  13 +
>  rust/helpers/drm.c              |  56 +++-
>  rust/helpers/helpers.c          |   1 +
>  rust/kernel/drm/gem/mod.rs      |  79 +++--
>  rust/kernel/drm/gem/shmem.rs    | 529 ++++++++++++++++++++++++++++++++
>  8 files changed, 667 insertions(+), 22 deletions(-)
>  create mode 100644 rust/helpers/dma-resv.c
>  create mode 100644 rust/kernel/drm/gem/shmem.rs
> 
> -- 
> 2.53.0
>