Hi Dave and Sima,
Please pull the following nova changes and other dependencies.
There are two minor and trivial conflicts with Linus' tree [1] and the
CONFIGFS
tree [2].
There is also a minor, but slightly less trivial conflict with the Rust Xarray
tree with a resolution in [3].
[1] https://lore.kernel.org/all/20250428123825.4acf2499 at canb.auug.org.au/
[2] https://lore.kernel.org/all/20250513135521.44a26953 at canb.auug.org.au/
[3] https://lore.kernel.org/all/877c344gmp.fsf at kernel.org/
The following changes since commit 0af2f6be1b4281385b618cb86ad946eded089ac8:
Linux 6.15-rc1 (2025-04-06 13:11:33 -0700)
are available in the Git repository at:
https://gitlab.freedesktop.org/drm/nova.git tags/nova-next-v6.16-2025-05-20
for you to fetch changes up to 276c53c66e032c8e7cc0da63555f2742eb1afd69:
gpu: drm: nova: select AUXILIARY_BUS instead of depending on it (2025-05-15
20:59:32 +0200)
----------------------------------------------------------------
Nova changes for v6.16
auxiliary:
- bus abstractions
- implementation for driver registration
- add sample driver
drm:
- implement __drm_dev_alloc()
- DRM core infrastructure Rust abstractions
- device, driver and registration
- DRM IOCTL
- DRM File
- GEM object
- IntoGEMObject rework
- generically implement AlwaysRefCounted through IntoGEMObject
- refactor unsound from_gem_obj() into as_ref()
- refactor into_gem_obj() into as_raw()
driver-core:
- merge topic/device-context-2025-04-17 from driver-core tree
- implement Devres::access()
- fix: doctest build under `!CONFIG_PCI`
- accessor for Device::parent()
- fix: conditionally expect `dead_code` for `parent()`
- impl TryFrom<&Device> bus devices (PCI, platform)
nova-core:
- remove completed Vec extentions from task list
- register auxiliary device for nova-drm
- derive useful traits for Chipset
- add missing GA100 chipset
- take &Device<Bound> in Gpu::new()
- infrastructure to generate register definitions
- fix register layout of NV_PMC_BOOT_0
- move Firmware into own (Rust) module
- fix: select AUXILIARY_BUS
nova-drm:
- initial driver skeleton (depends on drm and auxiliary bus
abstractions)
- fix: select AUXILIARY_BUS
Rust (dependencies):
- implement Opaque::zeroed()
- implement Revocable::try_access_with()
- implement Revocable::access()
----------------------------------------------------------------
Alexandre Courbot (11):
rust/revocable: add try_access_with() convenience method
samples: rust: convert PCI rust sample driver to use try_access_with()
gpu: nova-core: derive useful traits for Chipset
gpu: nova-core: add missing GA100 definition
gpu: nova-core: take bound device in Gpu::new
gpu: nova-core: define registers layout using helper macro
gpu: nova-core: fix layout of NV_PMC_BOOT_0
gpu: nova-core: move Firmware to firmware module
samples: rust: select AUXILIARY_BUS instead of depending on it
gpu: nova-core: select AUXILIARY_BUS instead of depending on it
gpu: drm: nova: select AUXILIARY_BUS instead of depending on it
Andrew Ballance (1):
gpu: nova-core: remove completed Vec extentions from task list
Asahi Lina (6):
rust: drm: ioctl: Add DRM ioctl abstraction
rust: drm: add driver abstractions
rust: drm: add device abstraction
rust: drm: add DRM driver registration
rust: drm: file: Add File abstraction
rust: drm: gem: Add GEM object abstraction
Danilo Krummrich (24):
rust: device: implement impl_device_context_deref!
rust: device: implement impl_device_context_into_aref!
rust: device: implement device context for Device
rust: platform: preserve device context in AsRef
rust: pci: preserve device context in AsRef
rust: device: implement Bound device context
rust: pci: move iomap_region() to impl Device<Bound>
rust: devres: require a bound device
rust: dma: require a bound device
Merge tag 'topic/device-context-2025-04-17' into nova-next
rust: pci: impl TryFrom<&Device> for &pci::Device
rust: platform: impl TryFrom<&Device> for &platform::Device
rust: types: add `Opaque::zeroed`
rust: device: implement Device::parent()
rust: auxiliary: add auxiliary device / driver abstractions
rust: auxiliary: add auxiliary registration
samples: rust: add Rust auxiliary driver sample
drm: drv: implement __drm_dev_alloc()
MAINTAINERS: add DRM Rust source files to DRM DRIVERS
rust: revocable: implement Revocable::access()
rust: devres: implement Devres::access()
samples: rust: pci: take advantage of Devres::access()
gpu: nova-core: register auxiliary device for nova-drm
drm: nova-drm: add initial driver skeleton
Lyude Paul (4):
rust: drm: gem: Use NonNull for Object::dev
rust: drm: gem: Refactor IntoGEMObject::from_gem_obj() to as_ref()
rust: drm: gem: s/into_gem_obj()/as_raw()/
rust: drm: gem: Implement AlwaysRefCounted for all gem objects
automatically
Miguel Ojeda (2):
rust: device: conditionally expect `dead_code` for `parent()`
rust: devres: fix doctest build under `!CONFIG_PCI`
Documentation/gpu/nova/core/todo.rst | 16 ++---
MAINTAINERS | 17 ++++++
drivers/gpu/drm/Kconfig | 2 +
drivers/gpu/drm/Makefile | 1 +
drivers/gpu/drm/drm_drv.c | 58 +++++++++++++-----
drivers/gpu/drm/nova/Kconfig | 14 +++++
drivers/gpu/drm/nova/Makefile | 3 +
drivers/gpu/drm/nova/driver.rs | 69 +++++++++++++++++++++
drivers/gpu/drm/nova/file.rs | 74 +++++++++++++++++++++++
drivers/gpu/drm/nova/gem.rs | 49 +++++++++++++++
drivers/gpu/drm/nova/nova.rs | 18 ++++++
drivers/gpu/drm/nova/uapi.rs | 61 +++++++++++++++++++
drivers/gpu/nova-core/Kconfig | 1 +
drivers/gpu/nova-core/driver.rs | 9 ++-
drivers/gpu/nova-core/firmware.rs | 44 ++++++++++++--
drivers/gpu/nova-core/gpu.rs | 86 ++++++++++++--------------
drivers/gpu/nova-core/nova_core.rs | 2 +
drivers/gpu/nova-core/regs.rs | 82 ++++++++++---------------
drivers/gpu/nova-core/regs/macros.rs | 380
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
include/drm/drm_drv.h | 5 ++
include/uapi/drm/nova_drm.h | 101 +++++++++++++++++++++++++++++++
rust/bindings/bindings_helper.h | 7 +++
rust/helpers/auxiliary.c | 23 +++++++
rust/helpers/drm.c | 23 +++++++
rust/helpers/helpers.c | 2 +
rust/helpers/pci.c | 5 ++
rust/helpers/platform.c | 5 ++
rust/kernel/auxiliary.rs | 360
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
rust/kernel/device.rs | 109 ++++++++++++++++++++++++++++++++-
rust/kernel/devres.rs | 56 ++++++++++++++---
rust/kernel/dma.rs | 14 ++---
rust/kernel/drm/device.rs | 200
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
rust/kernel/drm/driver.rs | 166
++++++++++++++++++++++++++++++++++++++++++++++++++
rust/kernel/drm/file.rs | 99 ++++++++++++++++++++++++++++++
rust/kernel/drm/gem/mod.rs | 328
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
rust/kernel/drm/ioctl.rs | 162
+++++++++++++++++++++++++++++++++++++++++++++++++
rust/kernel/drm/mod.rs | 19 ++++++
rust/kernel/lib.rs | 4 ++
rust/kernel/pci.rs | 55 ++++++++++-------
rust/kernel/platform.rs | 54 +++++++++--------
rust/kernel/revocable.rs | 28 +++++++++
rust/kernel/types.rs | 8 +++
rust/uapi/uapi_helper.h | 2 +
samples/rust/Kconfig | 12 ++++
samples/rust/Makefile | 1 +
samples/rust/rust_driver_auxiliary.rs | 120
++++++++++++++++++++++++++++++++++++
samples/rust/rust_driver_pci.rs | 5 +-
47 files changed, 2762 insertions(+), 197 deletions(-)
create mode 100644 drivers/gpu/drm/nova/Kconfig
create mode 100644 drivers/gpu/drm/nova/Makefile
create mode 100644 drivers/gpu/drm/nova/driver.rs
create mode 100644 drivers/gpu/drm/nova/file.rs
create mode 100644 drivers/gpu/drm/nova/gem.rs
create mode 100644 drivers/gpu/drm/nova/nova.rs
create mode 100644 drivers/gpu/drm/nova/uapi.rs
create mode 100644 drivers/gpu/nova-core/regs/macros.rs
create mode 100644 include/uapi/drm/nova_drm.h
create mode 100644 rust/helpers/auxiliary.c
create mode 100644 rust/helpers/drm.c
create mode 100644 rust/kernel/auxiliary.rs
create mode 100644 rust/kernel/drm/device.rs
create mode 100644 rust/kernel/drm/driver.rs
create mode 100644 rust/kernel/drm/file.rs
create mode 100644 rust/kernel/drm/gem/mod.rs
create mode 100644 rust/kernel/drm/ioctl.rs
create mode 100644 rust/kernel/drm/mod.rs
create mode 100644 samples/rust/rust_driver_auxiliary.rs