Re: [Intel-gfx] [RFC 00/14] Introduce Intel PXP

[Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>]

On 2/12/2021 5:23 AM, Lionel Landwerlin wrote:
> I just gave a try to this new iteration and it's apparently failing to 
> enable PXP on a machine with this pciID : 0x9a68.
>

What error are you seeing?

Daniele

> -Lionel
>
> On 06/02/2021 04:09, Daniele Ceraolo Spurio wrote:
>> PXP (Protected Xe Path) is an i915 component, available on
>> GEN12+, that helps to establish the hardware protected session
>> and manage the status of the alive software session, as well
>> as its life cycle.
>>
>> I'm taking over this series from Sean. I've significantly reworked the
>> code since his last revisioni [1], including a different patch split, so
>> I've reset the series revision count. I believe I've addressed most of
>> the pending comments, but please point out aything I've missed.
>>
>> Still RFC for 2 reasons:
>> - mutex usage needs a bit more reworking
>> - very lightly tested
>>
>> [1] https://patchwork.freedesktop.org/series/84620/
>>
>> Cc: Huang Sean Z <sean.z.huang@intel.com>
>> Cc: Gaurav Kumar <kumar.gaurav@intel.com>
>> Cc: Chris Wilson <chris@chris-wilson.co.uk>
>> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
>> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
>>
>> Anshuman Gupta (1):
>>    drm/i915/pxp: Add plane decryption support
>>
>> Bommu Krishnaiah (2):
>>    drm/i915/uapi: introduce drm_i915_gem_create_ext
>>    drm/i915/pxp: User interface for Protected buffer
>>
>> Daniele Ceraolo Spurio (5):
>>    drm/i915/pxp: Define PXP component interface
>>    drm/i915/pxp: define PXP device flag and kconfig
>>    drm/i915/pxp: allocate a vcs context for pxp usage
>>    drm/i915/pxp: set KCR reg init during the boot time
>>    drm/i915/pxp: enable PXP for integrated Gen12
>>
>> Huang, Sean Z (5):
>>    drm/i915/pxp: Implement funcs to create the TEE channel
>>    drm/i915/pxp: Create the arbitrary session after boot
>>    drm/i915/pxp: Implement arb session teardown
>>    drm/i915/pxp: Implement PXP irq handler
>>    drm/i915/pxp: Enable PXP power management
>>
>> Vitaly Lubart (1):
>>    mei: pxp: export pavp client to me client bus
>>
>>   drivers/gpu/drm/i915/Kconfig                  |  11 +
>>   drivers/gpu/drm/i915/Makefile                 |   9 +
>>   drivers/gpu/drm/i915/display/intel_sprite.c   |  21 +-
>>   drivers/gpu/drm/i915/gem/i915_gem_context.c   |  34 +++
>>   drivers/gpu/drm/i915/gem/i915_gem_context.h   |   6 +
>>   .../gpu/drm/i915/gem/i915_gem_context_types.h |   1 +
>>   drivers/gpu/drm/i915/gem/i915_gem_create.c    |  68 +++++-
>>   .../gpu/drm/i915/gem/i915_gem_execbuffer.c    |   9 +
>>   .../gpu/drm/i915/gem/i915_gem_object_types.h  |   5 +
>>   drivers/gpu/drm/i915/gt/intel_gt.c            |   5 +
>>   drivers/gpu/drm/i915/gt/intel_gt_irq.c        |   7 +
>>   drivers/gpu/drm/i915/gt/intel_gt_pm.c         |   6 +
>>   drivers/gpu/drm/i915/gt/intel_gt_types.h      |   3 +
>>   drivers/gpu/drm/i915/i915_drv.c               |   7 +-
>>   drivers/gpu/drm/i915/i915_drv.h               |  10 +
>>   drivers/gpu/drm/i915/i915_pci.c               |   2 +
>>   drivers/gpu/drm/i915/i915_reg.h               |   2 +
>>   drivers/gpu/drm/i915/intel_device_info.h      |   1 +
>>   drivers/gpu/drm/i915/pxp/intel_pxp.c          | 107 ++++++++
>>   drivers/gpu/drm/i915/pxp/intel_pxp.h          |  54 ++++
>>   drivers/gpu/drm/i915/pxp/intel_pxp_cmd.c      | 227 +++++++++++++++++
>>   drivers/gpu/drm/i915/pxp/intel_pxp_cmd.h      |  15 ++
>>   drivers/gpu/drm/i915/pxp/intel_pxp_irq.c      | 147 +++++++++++
>>   drivers/gpu/drm/i915/pxp/intel_pxp_irq.h      |  33 +++
>>   drivers/gpu/drm/i915/pxp/intel_pxp_pm.c       |  94 +++++++
>>   drivers/gpu/drm/i915/pxp/intel_pxp_pm.h       |  36 +++
>>   drivers/gpu/drm/i915/pxp/intel_pxp_session.c  | 123 ++++++++++
>>   drivers/gpu/drm/i915/pxp/intel_pxp_session.h  |  17 ++
>>   drivers/gpu/drm/i915/pxp/intel_pxp_tee.c      | 200 +++++++++++++++
>>   drivers/gpu/drm/i915/pxp/intel_pxp_tee.h      |  17 ++
>>   drivers/gpu/drm/i915/pxp/intel_pxp_types.h    |  29 +++
>>   drivers/misc/mei/Kconfig                      |   2 +
>>   drivers/misc/mei/Makefile                     |   1 +
>>   drivers/misc/mei/pxp/Kconfig                  |  13 +
>>   drivers/misc/mei/pxp/Makefile                 |   7 +
>>   drivers/misc/mei/pxp/mei_pxp.c                | 230 ++++++++++++++++++
>>   drivers/misc/mei/pxp/mei_pxp.h                |  18 ++
>>   include/drm/i915_component.h                  |   1 +
>>   include/drm/i915_pxp_tee_interface.h          |  45 ++++
>>   include/uapi/drm/i915_drm.h                   |  70 ++++++
>>   40 files changed, 1685 insertions(+), 8 deletions(-)
>>   create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp.c
>>   create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp.h
>>   create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp_cmd.c
>>   create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp_cmd.h
>>   create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp_irq.c
>>   create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp_irq.h
>>   create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp_pm.c
>>   create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp_pm.h
>>   create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp_session.c
>>   create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp_session.h
>>   create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp_tee.c
>>   create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp_tee.h
>>   create mode 100644 drivers/gpu/drm/i915/pxp/intel_pxp_types.h
>>   create mode 100644 drivers/misc/mei/pxp/Kconfig
>>   create mode 100644 drivers/misc/mei/pxp/Makefile
>>   create mode 100644 drivers/misc/mei/pxp/mei_pxp.c
>>   create mode 100644 drivers/misc/mei/pxp/mei_pxp.h
>>   create mode 100644 include/drm/i915_pxp_tee_interface.h
>>
>

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