Re: [PATCH v7 0/3] Enable Pipewriteback

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Gentle Reminder

> -----Original Message-----
> From: Kandpal, Suraj <suraj.kandpal@xxxxxxxxx>
> Sent: Monday, November 14, 2022 11:40 AM
> To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Murthy, Arun R <arun.r.murthy@xxxxxxxxx>; Nikula, Jani
> <jani.nikula@xxxxxxxxx>; Kandpal, Suraj <suraj.kandpal@xxxxxxxxx>
> Subject: [PATCH v7 0/3] Enable Pipewriteback
> 
> A patch series was floated in the drm mailing list which aimed to change
> the drm_connector and drm_encoder fields to pointer in the
> drm_connector_writeback structure, this received a huge pushback from
> the community but since i915 expects each connector present in the
> drm_device list to be a intel_connector but drm_writeback framework
> makes us have a connector which cannot be embedded in an
> intel_connector structure.
> [1]
> https://patchwork.kernel.org/project/dri-
> devel/patch/20220202081702.22119-1-suraj.kandpal@xxxxxxxxx/
> [2]
> https://patchwork.kernel.org/project/dri-
> devel/patch/20220202085429.22261-6-suraj.kandpal@xxxxxxxxx/
> Since no one had an issue with encoder field being changed into a pointer
> it was decided to break the connector and encoder pointer changes into
> two different series.The encoder field changes is currently being worked
> upon by Abhinav Kumar and the changes have been merged.
> [3]https://patchwork.kernel.org/project/dri-devel/list/?series=633565
> Going forward we use a drm_connector which is not embedded in
> intel_connector.
> We also create a intel_encoder to avoid changes to many iterators but no
> intel_connector. We also changed all iterators that Writeback feature will
> be enabled for tgl and above.
> 
> ---v2
> solving BAT issues
> 
> ---v3
> -remove unnecessary comments from i915_reg.h [Arun] -move wd_init into
> its own if condition [Arun] -fix comment styling and alignment in intel_wd.c
> [Arun] -remove continue from loop and calling function if condition is met
> [Arun] -remove useless arguments from intel_queue_writeback_job and
> intel_enabling_capture [Arun]
> 
> --v4
> Added Reviewed-by to patches which were previously reviewd
> 
> --v5
> Added Reviewed-by for patch 3
> 
> --v6
> -Solve BAT issue
> 
> --v7
> -Make wd->wb leaving the register WD untouched[Jani] -move writeback
> registers to a seprate file rather than keeping it in i914_reg [Jani] -fix the
> atomic flip done issue when crtc is being detached from writeback
> connector [Swati] -fix atomic check failing when no writeback job is created
> 
> 
> Suraj Kandpal (3):
>   drm/i915: Define WD trancoder for i915
>   drm/i915: Change intel_connector iterators
>   drm/i915: Enable WD Transcoder
> 
>  drivers/gpu/drm/i915/Makefile                 |   1 +
>  drivers/gpu/drm/i915/display/intel_acpi.c     |   8 +-
>  drivers/gpu/drm/i915/display/intel_crtc.c     |   6 +
>  .../drm/i915/display/intel_crtc_state_dump.c  |   1 +
>  drivers/gpu/drm/i915/display/intel_ddi.c      |   6 +
>  drivers/gpu/drm/i915/display/intel_display.c  |  75 +-
> drivers/gpu/drm/i915/display/intel_display.h  |  14 +-
> .../drm/i915/display/intel_display_debugfs.c  |  13 +-
>  .../drm/i915/display/intel_display_types.h    |  31 +-
>  drivers/gpu/drm/i915/display/intel_dpll.c     |   6 +
>  .../drm/i915/display/intel_modeset_setup.c    | 103 ++-
>  .../drm/i915/display/intel_modeset_verify.c   |  17 +-
>  drivers/gpu/drm/i915/display/intel_opregion.c |   3 +
>  drivers/gpu/drm/i915/display/intel_wb.c       | 714 ++++++++++++++++++
>  drivers/gpu/drm/i915/display/intel_wb.h       |  49 ++
>  .../drm/i915/display/intel_writeback_reg.h    | 128 ++++
>  drivers/gpu/drm/i915/i915_drv.h               |   1 +
>  drivers/gpu/drm/i915/i915_irq.c               |   8 +-
>  drivers/gpu/drm/i915/i915_pci.c               |   7 +-
>  drivers/gpu/drm/i915/i915_reg.h               |  10 +
>  20 files changed, 1151 insertions(+), 50 deletions(-)  create mode 100644
> drivers/gpu/drm/i915/display/intel_wb.c
>  create mode 100644 drivers/gpu/drm/i915/display/intel_wb.h
>  create mode 100644 drivers/gpu/drm/i915/display/intel_writeback_reg.h
> 
> --
> 2.25.1





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