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

[Yann Dirson <ydirson@free.fr>]

> Thanks for this. It's really good to see this.
> 
> Reviewed-by: Harry Wentland <harry.wentland@amd.com>

Hearfully seconded, let's get this rolling :)

Reviewed-by: Yann Dirson <ydirson@free.fr>

> 
> 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%)
> > 
> 
>