Re: [PATCH v3 RESEND 0/7] New DRM driver for Intel VPU

[Thomas Zimmermann <tzimmermann@suse.de>]

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Hi

Am 24.09.22 um 17:11 schrieb Jacek Lawrynowicz:
> 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.
> 
> Driver is part of gpu/drm subsystem because VPU is similar in operation to
> an integrated GPU. Reusing drm driver init, ioctl handling, gem and prime
> helpers and drm_mm allows to minimize code duplication in the kernel.
> 
> The whole driver is licensed under GPL-2.0-only except for two headers imported
> from the firmware that are MIT licensed.
> 
> User mode driver stack consists of Level Zero API driver and OpenVINO plugin.
> Both should be open-sourced by the end of Q4.
> The firmware for the VPU will be distributed as a closed source binary.
> 
> I'm resending v3 patchset with correct Dave's email.
> 
> Regards,
> Jacek
> 
> v3:
> - 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):
>    drm/ivpu: Introduce a new DRM driver for Intel VPU
>    drm/ivpu: Add Intel VPU MMU support
>    drm/ivpu: Add GEM buffer object management
>    drm/ivpu: Add IPC driver and JSM messages
>    drm/ivpu: Implement firmware parsing and booting
>    drm/ivpu: Add command buffer submission logic
>    drm/ivpu: Add PM support
> 
>   MAINTAINERS                             |    8 +
>   drivers/gpu/drm/Kconfig                 |    2 +
>   drivers/gpu/drm/Makefile                |    1 +
>   drivers/gpu/drm/ivpu/Kconfig            |   12 +
>   drivers/gpu/drm/ivpu/Makefile           |   16 +
>   drivers/gpu/drm/ivpu/TODO               |    7 +
>   drivers/gpu/drm/ivpu/ivpu_drv.c         |  643 ++++++++++++++
>   drivers/gpu/drm/ivpu/ivpu_drv.h         |  178 ++++
>   drivers/gpu/drm/ivpu/ivpu_fw.c          |  426 +++++++++
>   drivers/gpu/drm/ivpu/ivpu_fw.h          |   38 +
>   drivers/gpu/drm/ivpu/ivpu_gem.c         |  836 ++++++++++++++++++
>   drivers/gpu/drm/ivpu/ivpu_gem.h         |  128 +++
>   drivers/gpu/drm/ivpu/ivpu_hw.h          |  169 ++++
>   drivers/gpu/drm/ivpu/ivpu_hw_mtl.c      | 1060 +++++++++++++++++++++++
>   drivers/gpu/drm/ivpu/ivpu_hw_mtl_reg.h  |  468 ++++++++++
>   drivers/gpu/drm/ivpu/ivpu_hw_reg_io.h   |  115 +++
>   drivers/gpu/drm/ivpu/ivpu_ipc.c         |  508 +++++++++++
>   drivers/gpu/drm/ivpu/ivpu_ipc.h         |   90 ++
>   drivers/gpu/drm/ivpu/ivpu_job.c         |  629 ++++++++++++++
>   drivers/gpu/drm/ivpu/ivpu_job.h         |   73 ++
>   drivers/gpu/drm/ivpu/ivpu_jsm_msg.c     |  220 +++++
>   drivers/gpu/drm/ivpu/ivpu_jsm_msg.h     |   25 +
>   drivers/gpu/drm/ivpu/ivpu_mmu.c         |  888 +++++++++++++++++++
>   drivers/gpu/drm/ivpu/ivpu_mmu.h         |   53 ++
>   drivers/gpu/drm/ivpu/ivpu_mmu_context.c |  419 +++++++++
>   drivers/gpu/drm/ivpu/ivpu_mmu_context.h |   49 ++
>   drivers/gpu/drm/ivpu/ivpu_pm.c          |  352 ++++++++
>   drivers/gpu/drm/ivpu/ivpu_pm.h          |   38 +
>   drivers/gpu/drm/ivpu/vpu_boot_api.h     |  241 ++++++
>   drivers/gpu/drm/ivpu/vpu_jsm_api.h      |  616 +++++++++++++
>   include/uapi/drm/ivpu_drm.h             |  343 ++++++++

You have to add yourself to MAINTAINERS.

I assume that there's a FOSS userspace available?

Best regards
Thomas

>   31 files changed, 8651 insertions(+)
>   create mode 100644 drivers/gpu/drm/ivpu/Kconfig
>   create mode 100644 drivers/gpu/drm/ivpu/Makefile
>   create mode 100644 drivers/gpu/drm/ivpu/TODO
>   create mode 100644 drivers/gpu/drm/ivpu/ivpu_drv.c
>   create mode 100644 drivers/gpu/drm/ivpu/ivpu_drv.h
>   create mode 100644 drivers/gpu/drm/ivpu/ivpu_fw.c
>   create mode 100644 drivers/gpu/drm/ivpu/ivpu_fw.h
>   create mode 100644 drivers/gpu/drm/ivpu/ivpu_gem.c
>   create mode 100644 drivers/gpu/drm/ivpu/ivpu_gem.h
>   create mode 100644 drivers/gpu/drm/ivpu/ivpu_hw.h
>   create mode 100644 drivers/gpu/drm/ivpu/ivpu_hw_mtl.c
>   create mode 100644 drivers/gpu/drm/ivpu/ivpu_hw_mtl_reg.h
>   create mode 100644 drivers/gpu/drm/ivpu/ivpu_hw_reg_io.h
>   create mode 100644 drivers/gpu/drm/ivpu/ivpu_ipc.c
>   create mode 100644 drivers/gpu/drm/ivpu/ivpu_ipc.h
>   create mode 100644 drivers/gpu/drm/ivpu/ivpu_job.c
>   create mode 100644 drivers/gpu/drm/ivpu/ivpu_job.h
>   create mode 100644 drivers/gpu/drm/ivpu/ivpu_jsm_msg.c
>   create mode 100644 drivers/gpu/drm/ivpu/ivpu_jsm_msg.h
>   create mode 100644 drivers/gpu/drm/ivpu/ivpu_mmu.c
>   create mode 100644 drivers/gpu/drm/ivpu/ivpu_mmu.h
>   create mode 100644 drivers/gpu/drm/ivpu/ivpu_mmu_context.c
>   create mode 100644 drivers/gpu/drm/ivpu/ivpu_mmu_context.h
>   create mode 100644 drivers/gpu/drm/ivpu/ivpu_pm.c
>   create mode 100644 drivers/gpu/drm/ivpu/ivpu_pm.h
>   create mode 100644 drivers/gpu/drm/ivpu/vpu_boot_api.h
>   create mode 100644 drivers/gpu/drm/ivpu/vpu_jsm_api.h
>   create mode 100644 include/uapi/drm/ivpu_drm.h
> 
> --
> 2.34.1

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Ivo Totev

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