Re: [PATCH v4 0/6] Expand display core documentation

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Thanks for this. It's really good to see this.

Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx>

Harry

On 2021-12-09 09:20, Rodrigo Siqueira wrote:
> Display Core (DC) is one of the components under amdgpu, and it has
> multiple features directly related to the KMS API. Unfortunately, we
> don't have enough documentation about DC in the upstream, which makes
> the life of some external contributors a little bit more challenging.
> For these reasons, this patchset reworks part of the DC documentation
> and introduces a new set of details on how the display core works on DCN
> IP. Another improvement that this documentation effort tries to bring is
> making explicit some of our hardware-specific details to guide
> user-space developers better.
> 
> In my view, it is easier to review this series if you apply it in your
> local kernel and build the HTML version (make htmldocs). I'm suggesting
> this approach because I added a few SVG diagrams that will be easier to
> see in the HTML version. If you cannot build the documentation, try to
> open the SVG images while reviewing the content. In summary, in this
> series, you will find:
> 
> 1. Patch 1: Re-arrange of display core documentation. This is
>    preparation work for the other patches, but it is also a way to expand
>    this documentation.
> 2. Patch 2 to 4: Document some common debug options related to display.
> 3. Patch 5: This patch provides an overview of how our display core next
>    works and a brief explanation of each component.
> 4. Patch 6: We use a lot of acronyms in our driver; for this reason, we
>    exposed a glossary with common terms used by display core.
> 
> Please let us know what you think we can improve this series and what
> kind of content you want to see for the next series.
> 
> Changes since V3:
>  - Add new acronyms to amdgpu glossary
>  - Add link between dc and amdgpu glossary
> Changes since V2:
>  - Add a comment about MMHUBBUB
> Changes since V1:
>  - Group amdgpu documentation together.
>  - Create index pages.
>  - Mirror display folder in the documentation.
>  - Divide glossary based on driver context.
>  - Make terms more consistent and update CPLIB
>  - Add new acronyms to the glossary
> 
> Thanks
> Siqueira
> 
> Rodrigo Siqueira (6):
>   Documentation/gpu: Reorganize DC documentation
>   Documentation/gpu: Document amdgpu_dm_visual_confirm debugfs entry
>   Documentation/gpu: Document pipe split visual confirmation
>   Documentation/gpu: How to collect DTN log
>   Documentation/gpu: Add basic overview of DC pipeline
>   Documentation/gpu: Add amdgpu and dc glossary
> 
>  Documentation/gpu/amdgpu-dc.rst               |   74 --
>  Documentation/gpu/amdgpu/amdgpu-glossary.rst  |   87 ++
>  .../gpu/amdgpu/display/config_example.svg     |  414 ++++++
>  Documentation/gpu/amdgpu/display/dc-debug.rst |   77 ++
>  .../gpu/amdgpu/display/dc-glossary.rst        |  237 ++++
>  .../amdgpu/display/dc_pipeline_overview.svg   | 1125 +++++++++++++++++
>  .../gpu/amdgpu/display/dcn-overview.rst       |  171 +++
>  .../gpu/amdgpu/display/display-manager.rst    |   42 +
>  .../gpu/amdgpu/display/global_sync_vblank.svg |  485 +++++++
>  Documentation/gpu/amdgpu/display/index.rst    |   29 +
>  .../gpu/{amdgpu.rst => amdgpu/index.rst}      |   25 +-
>  Documentation/gpu/drivers.rst                 |    3 +-
>  12 files changed, 2690 insertions(+), 79 deletions(-)
>  delete mode 100644 Documentation/gpu/amdgpu-dc.rst
>  create mode 100644 Documentation/gpu/amdgpu/amdgpu-glossary.rst
>  create mode 100644 Documentation/gpu/amdgpu/display/config_example.svg
>  create mode 100644 Documentation/gpu/amdgpu/display/dc-debug.rst
>  create mode 100644 Documentation/gpu/amdgpu/display/dc-glossary.rst
>  create mode 100644 Documentation/gpu/amdgpu/display/dc_pipeline_overview.svg
>  create mode 100644 Documentation/gpu/amdgpu/display/dcn-overview.rst
>  create mode 100644 Documentation/gpu/amdgpu/display/display-manager.rst
>  create mode 100644 Documentation/gpu/amdgpu/display/global_sync_vblank.svg
>  create mode 100644 Documentation/gpu/amdgpu/display/index.rst
>  rename Documentation/gpu/{amdgpu.rst => amdgpu/index.rst} (95%)
> 




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