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3 Commits

Author SHA1 Message Date
Rodrigo Siqueira
03dc0a6cb6 Documentation/gpu: Add documentation about ring buffer 
AMDGPU heavily relies on ring buffers to manage its components; as a
result, it has an elaborate mechanism of operation with multiple details
around it. This commit introduces new documentation on ring buffers,
detailing their management and expanding the explanation of Enforce
isolation. Finally, this commit also adds the documentation available in
the amdgpu_ring.c file to it.

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Timur Kristóf <timur.kristof@gmail.com>
Signed-off-by: Rodrigo Siqueira <siqueira@igalia.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2025-12-08 13:56:32 -05:00
Rakuram Eswaran
cbf3a5d67a docs: gpu: amdgpu: Fix spelling in amdgpu documentation 
Fixed following typos reported by Codespell

1. propogated ==> propagated
   aperatures ==> apertures
In Documentation/gpu/amdgpu/debugfs.rst

2. parition ==> partition
In Documentation/gpu/amdgpu/process-isolation.rst

3. conections ==> connections
In Documentation/gpu/amdgpu/display/programming-model-dcn.rst

In addition to above,
Fixed wrong bit-partition naming in gpu/amdgpu/process-isolation.rst
from "fourth" partition to "third" partition.

Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Suggested-by: Randy Dunlap <rdunlap@infradead.org>
Suggested-by: Alexander Deucher <Alexander.Deucher@amd.com>
Signed-off-by: Rakuram Eswaran <rakuram.e96@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2025-08-27 13:57:48 -04:00
Srinivasan Shanmugam
5954cfa812 drm/amdgpu: Add documentation for enforce isolation feature 
This feature enables process isolation on the graphics engine by
serializing access to it and adding a cleaner shader which clears LDS
(Local Data Store) and GPRs (General Purpose Registers) between jobs.

Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Suggested-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 2024-11-08 11:45:29 -05:00