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Author SHA1 Message Date
Yann Dirson
d59f1774be Documentation/gpu: include description of AMDGPU hardware structure
This describes in broad lines the how an AMD GPU is organized, in
terms of hardware blocks.

This is Alex' description from the "gpu block diagram" thread, edited to
fit as ReST.

Original text: https://www.spinics.net/lists/amd-gfx/msg71543.html

Originally-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Yann Dirson <ydirson@free.fr>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-12-14 16:10:41 -05:00
Rodrigo Siqueira
a723c6d078 Documentation/gpu: Add amdgpu and dc glossary
In the DC driver, we have multiple acronyms that are not obvious most of
the time; the same idea is valid for amdgpu. This commit introduces a DC
and amdgpu glossary in order to make it easier to navigate through our
driver.

Changes since V3:
 - Yann: Add new acronyms to amdgpu glossary
 - Daniel: Add link between dc and amdgpu glossary

Changes since V2:
 - Add MMHUB

Changes since V1:
 - Yann: Divide glossary based on driver context.
 - Alex: Make terms more consistent and update CPLIB
 - Add new acronyms to the glossary

Reviewed-by: Yann Dirson <ydirson@free.fr>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-12-13 16:33:16 -05:00
Rodrigo Siqueira
522968aeed Documentation/gpu: Add basic overview of DC pipeline
This commit describes how DCN works by providing high-level diagrams
with an explanation of each component. In particular, it details the
Global Sync signals.

Change since V2:
 - Add a comment about MMHUBBUB.

Reviewed-by: Yann Dirson <ydirson@free.fr>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-12-13 16:33:16 -05:00
Rodrigo Siqueira
e91f840142 Documentation/gpu: Reorganize DC documentation
Display core documentation is not well organized, and it is hard to find
information due to the lack of sections. This commit reorganizes the
documentation layout, and it is preparation work for future changes.

Changes since V1:
- Christian: Group amdgpu documentation together.
- Daniel: Drop redundant amdgpu prefix.
- Jani: Create index pages.
- Yann: Mirror display folder in the documentation.

Reviewed-by: Yann Dirson <ydirson@free.fr>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-12-13 16:33:16 -05:00