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Diffstat (limited to 'Documentation/gpu/drm-usage-stats.rst')
-rw-r--r-- | Documentation/gpu/drm-usage-stats.rst | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/Documentation/gpu/drm-usage-stats.rst b/Documentation/gpu/drm-usage-stats.rst index 72d069e5dacb..552195fb1ea3 100644 --- a/Documentation/gpu/drm-usage-stats.rst +++ b/Documentation/gpu/drm-usage-stats.rst @@ -126,7 +126,15 @@ percentage utilization of the engine, whereas drm-engine-<str> only reflects time active without considering what frequency the engine is operating as a percentage of it's maximum frequency. +Implementation Details +====================== + +Drivers should use drm_show_fdinfo() in their `struct file_operations`, and +implement &drm_driver.show_fdinfo if they wish to provide any stats which +are not provided by drm_show_fdinfo(). But even driver specific stats should +be documented above and where possible, aligned with other drivers. + Driver specific implementations -=============================== +------------------------------- :ref:`i915-usage-stats` |