[PATCH v6 0/7] New DRM accel driver for Intel VPU
Daniel Vetter
daniel at ffwll.ch
Thu Jan 19 11:11:01 UTC 2023
On Tue, Jan 17, 2023 at 10:27:16AM +0100, Jacek Lawrynowicz wrote:
> Hi,
>
> This patchset contains a new Linux* Kernel Driver for Intel® VPUs.
>
> VPU stands for Versatile Processing Unit and it is an AI inference accelerator
> integrated with Intel non-server CPUs starting from 14th generation.
> VPU enables efficient execution of Deep Learning applications
> like object detection, classification etc.
>
> The whole driver is licensed under GPL-2.0-only except for two headers imported
> from the firmware that are MIT licensed.
>
> User space stack is open source and available at:
> - UMD driver: https://github.com/intel/linux-vpu-driver
> - Compiler and OpenVINO plugin: https://github.com/openvinotoolkit/vpux-plugin
>
> The firmware for the VPU will be distributed as a closed source binary in
> the UMD driver repo.
>
> This is hopefully the last revision of the patchset with minor changes outlined
> below.
Entire series pushed to drm-misc-next, thanks a lot and apologies that
this all got hold up for longer than usual with the drivers/accel
transition. But hopefully bright future ahead!
Cheers, Daniel
>
> Regards,
> Jacek
>
> Changelog
>
> v6:
> - Remove userptr ioctl as it will be probably replaced with dma-buf heaps
> - Added dependency on !UML
> - Simplify struct file_operations ivpu_fops definition
> - Fixed compilation issues in patch 4 and 6
> - Updated TODO
>
> v5: https://lore.kernel.org/all/20230109122344.253994-1-jacek.lawrynowicz@linux.intel.com/
> - Rename ivpu_drm.h to ivpu_accel.h
> - Cleanup ivpu_mmu_config_check()
> - Optimize locking in ivpu_mmu_cd_add()
> - Invalidate user context if it has MMU faults
> - Move ivpu_ipc_match_consumer() outside ivpu_ipc_dispatch()
>
> v4: https://lore.kernel.org/all/20221208110733.5498-1-jacek.lawrynowicz@linux.intel.com/
> - Switch to the accel framework (DRIVER_COMPUTE_ACCEL)
> - Move the driver from drivers/gpu/drm to drivers/accel
> - Rename kconfig DRM_IVPU option to DRM_ACCEL_IVPU and update dependencies
> - Create context on open() instead of lazy allocating it
> - Remove status_offset from submit ioctl, as status is now reported in bo_wait ioctl
> - Use managed resources in ivpu_drv.c
> - Optimize locking in ivpu_ipc.c - add new rx_msg_lock for consumer msg list
> - Refactor vpu_hw_mtl_reg.h to use BIT_MASK() and GENMASK() macros
> - Use module_pci_driver() for mudule init
> - Remove mutex from "struct ivpu_pm_info"
> - Add explicit "vdev" arg to ivpu_dbg()
> - Use drm_WARN_ON() instead of WARN_ON() where possible
> - Add comments for boot related functions
> - Update firmware API headers
>
> v3: https://lore.kernel.org/all/20220924151149.323622-1-jacek.lawrynowicz@linux.intel.com/
> - Fixed alignment warning in ivpu_ipc.c when building with W=1
>
> v2: https://lore.kernel.org/all/20220913121017.993825-1-jacek.lawrynowicz@linux.intel.com/
> - Rename the driver from "drm/vpu" to "drm/ivpu"
> - Add a TODO file
> - Add support for WC buffers
>
> v1: https://lore.kernel.org/all/20220728131709.1087188-1-jacek.lawrynowicz@linux.intel.com/
>
> Jacek Lawrynowicz (7):
> accel/ivpu: Introduce a new DRM driver for Intel VPU
> accel/ivpu: Add Intel VPU MMU support
> accel/ivpu: Add GEM buffer object management
> accel/ivpu: Add IPC driver and JSM messages
> accel/ivpu: Implement firmware parsing and booting
> accel/ivpu: Add command buffer submission logic
> accel/ivpu: Add PM support
>
> MAINTAINERS | 9 +
> drivers/Makefile | 1 +
> drivers/accel/Kconfig | 2 +
> drivers/accel/Makefile | 3 +
> drivers/accel/ivpu/Kconfig | 15 +
> drivers/accel/ivpu/Makefile | 16 +
> drivers/accel/ivpu/TODO | 11 +
> drivers/accel/ivpu/ivpu_drv.c | 654 +++++++++++++++
> drivers/accel/ivpu/ivpu_drv.h | 190 +++++
> drivers/accel/ivpu/ivpu_fw.c | 423 ++++++++++
> drivers/accel/ivpu/ivpu_fw.h | 38 +
> drivers/accel/ivpu/ivpu_gem.c | 753 +++++++++++++++++
> drivers/accel/ivpu/ivpu_gem.h | 127 +++
> drivers/accel/ivpu/ivpu_hw.h | 170 ++++
> drivers/accel/ivpu/ivpu_hw_mtl.c | 1084 +++++++++++++++++++++++++
> drivers/accel/ivpu/ivpu_hw_mtl_reg.h | 280 +++++++
> drivers/accel/ivpu/ivpu_hw_reg_io.h | 115 +++
> drivers/accel/ivpu/ivpu_ipc.c | 510 ++++++++++++
> drivers/accel/ivpu/ivpu_ipc.h | 93 +++
> drivers/accel/ivpu/ivpu_job.c | 614 ++++++++++++++
> drivers/accel/ivpu/ivpu_job.h | 67 ++
> drivers/accel/ivpu/ivpu_jsm_msg.c | 169 ++++
> drivers/accel/ivpu/ivpu_jsm_msg.h | 23 +
> drivers/accel/ivpu/ivpu_mmu.c | 883 ++++++++++++++++++++
> drivers/accel/ivpu/ivpu_mmu.h | 50 ++
> drivers/accel/ivpu/ivpu_mmu_context.c | 398 +++++++++
> drivers/accel/ivpu/ivpu_mmu_context.h | 50 ++
> drivers/accel/ivpu/ivpu_pm.c | 329 ++++++++
> drivers/accel/ivpu/ivpu_pm.h | 38 +
> drivers/accel/ivpu/vpu_boot_api.h | 349 ++++++++
> drivers/accel/ivpu/vpu_jsm_api.h | 999 +++++++++++++++++++++++
> include/uapi/drm/ivpu_accel.h | 306 +++++++
> 32 files changed, 8769 insertions(+)
> create mode 100644 drivers/accel/Makefile
> create mode 100644 drivers/accel/ivpu/Kconfig
> create mode 100644 drivers/accel/ivpu/Makefile
> create mode 100644 drivers/accel/ivpu/TODO
> create mode 100644 drivers/accel/ivpu/ivpu_drv.c
> create mode 100644 drivers/accel/ivpu/ivpu_drv.h
> create mode 100644 drivers/accel/ivpu/ivpu_fw.c
> create mode 100644 drivers/accel/ivpu/ivpu_fw.h
> create mode 100644 drivers/accel/ivpu/ivpu_gem.c
> create mode 100644 drivers/accel/ivpu/ivpu_gem.h
> create mode 100644 drivers/accel/ivpu/ivpu_hw.h
> create mode 100644 drivers/accel/ivpu/ivpu_hw_mtl.c
> create mode 100644 drivers/accel/ivpu/ivpu_hw_mtl_reg.h
> create mode 100644 drivers/accel/ivpu/ivpu_hw_reg_io.h
> create mode 100644 drivers/accel/ivpu/ivpu_ipc.c
> create mode 100644 drivers/accel/ivpu/ivpu_ipc.h
> create mode 100644 drivers/accel/ivpu/ivpu_job.c
> create mode 100644 drivers/accel/ivpu/ivpu_job.h
> create mode 100644 drivers/accel/ivpu/ivpu_jsm_msg.c
> create mode 100644 drivers/accel/ivpu/ivpu_jsm_msg.h
> create mode 100644 drivers/accel/ivpu/ivpu_mmu.c
> create mode 100644 drivers/accel/ivpu/ivpu_mmu.h
> create mode 100644 drivers/accel/ivpu/ivpu_mmu_context.c
> create mode 100644 drivers/accel/ivpu/ivpu_mmu_context.h
> create mode 100644 drivers/accel/ivpu/ivpu_pm.c
> create mode 100644 drivers/accel/ivpu/ivpu_pm.h
> create mode 100644 drivers/accel/ivpu/vpu_boot_api.h
> create mode 100644 drivers/accel/ivpu/vpu_jsm_api.h
> create mode 100644 include/uapi/drm/ivpu_accel.h
>
> --
> 2.34.1
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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