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Diffstat (limited to 'Documentation/gpu/i915.rst')
| -rw-r--r-- | Documentation/gpu/i915.rst | 42 |
1 files changed, 29 insertions, 13 deletions
diff --git a/Documentation/gpu/i915.rst b/Documentation/gpu/i915.rst index bcaefc952764..54060cd6c419 100644 --- a/Documentation/gpu/i915.rst +++ b/Documentation/gpu/i915.rst @@ -187,19 +187,7 @@ Display Refresh Rate Switching (DRRS) :doc: Display Refresh Rate Switching (DRRS) .. kernel-doc:: drivers/gpu/drm/i915/display/intel_drrs.c - :functions: intel_drrs_enable - -.. kernel-doc:: drivers/gpu/drm/i915/display/intel_drrs.c - :functions: intel_drrs_disable - -.. kernel-doc:: drivers/gpu/drm/i915/display/intel_drrs.c - :functions: intel_drrs_invalidate - -.. kernel-doc:: drivers/gpu/drm/i915/display/intel_drrs.c - :functions: intel_drrs_flush - -.. kernel-doc:: drivers/gpu/drm/i915/display/intel_drrs.c - :functions: intel_drrs_init + :internal: DPIO ---- @@ -709,3 +697,31 @@ The style guide for ``i915_reg.h``. .. kernel-doc:: drivers/gpu/drm/i915/i915_reg.h :doc: The i915 register macro definition style guide + +.. _i915-usage-stats: + +i915 DRM client usage stats implementation +========================================== + +The drm/i915 driver implements the DRM client usage stats specification as +documented in :ref:`drm-client-usage-stats`. + +Example of the output showing the implemented key value pairs and entirety of +the currently possible format options: + +:: + + pos: 0 + flags: 0100002 + mnt_id: 21 + drm-driver: i915 + drm-pdev: 0000:00:02.0 + drm-client-id: 7 + drm-engine-render: 9288864723 ns + drm-engine-copy: 2035071108 ns + drm-engine-video: 0 ns + drm-engine-capacity-video: 2 + drm-engine-video-enhance: 0 ns + +Possible `drm-engine-` key names are: `render`, `copy`, `video` and +`video-enhance`. |