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Documentation/gpu: Clarify format of driver-specific fidnfo keys

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This change reflects de facto usage by amdgpu, as exemplified by commit
d6530c33a978 ("drm/amdgpu: expose more memory stats in fdinfo").

Cc: Tvrtko Ursulin <tursulin@ursulin.net>
Acked-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250130172851.941597-2-adrian.larumbe@collabora.com
This commit is contained in:
Adrián Larumbe 2025-01-30 17:28:09 +00:00 committed by Boris Brezillon
parent 2eca617f12
commit 3ddf003c7e
1 changed files with 4 additions and 1 deletions
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5
Documentation/gpu/drm-usage-stats.rst
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@ -21,7 +21,10 @@ File format specification
- File shall contain one key value pair per one line of text.
- Colon character (`:`) must be used to delimit keys and values.
- All keys shall be prefixed with `drm-`.
- All standardised keys shall be prefixed with `drm-`.
- Driver-specific keys shall be prefixed with `driver_name-`, where
driver_name should ideally be the same as the `name` field in
`struct drm_driver`, although this is not mandatory.
- Whitespace between the delimiter and first non-whitespace character shall be
ignored when parsing.
- Keys are not allowed to contain whitespace characters.