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/...
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