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-rw-r--r--Documentation/gpu/i915.rst103
1 files changed, 103 insertions, 0 deletions
diff --git a/Documentation/gpu/i915.rst b/Documentation/gpu/i915.rst
index 117d2ab7a5f7..104296dffad1 100644
--- a/Documentation/gpu/i915.rst
+++ b/Documentation/gpu/i915.rst
@@ -213,6 +213,18 @@ Video BIOS Table (VBT)
.. kernel-doc:: drivers/gpu/drm/i915/intel_vbt_defs.h
:internal:
+Display PLLs
+------------
+
+.. kernel-doc:: drivers/gpu/drm/i915/intel_dpll_mgr.c
+ :doc: Display PLLs
+
+.. kernel-doc:: drivers/gpu/drm/i915/intel_dpll_mgr.c
+ :internal:
+
+.. kernel-doc:: drivers/gpu/drm/i915/intel_dpll_mgr.h
+ :internal:
+
Memory Management and Command Submission
========================================
@@ -356,4 +368,95 @@ switch_mm
.. kernel-doc:: drivers/gpu/drm/i915/i915_trace.h
:doc: switch_mm tracepoint
+Perf
+====
+
+Overview
+--------
+.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
+ :doc: i915 Perf Overview
+
+Comparison with Core Perf
+-------------------------
+.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
+ :doc: i915 Perf History and Comparison with Core Perf
+
+i915 Driver Entry Points
+------------------------
+
+This section covers the entrypoints exported outside of i915_perf.c to
+integrate with drm/i915 and to handle the `DRM_I915_PERF_OPEN` ioctl.
+
+.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
+ :functions: i915_perf_init
+.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
+ :functions: i915_perf_fini
+.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
+ :functions: i915_perf_register
+.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
+ :functions: i915_perf_unregister
+.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
+ :functions: i915_perf_open_ioctl
+.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
+ :functions: i915_perf_release
+
+i915 Perf Stream
+----------------
+
+This section covers the stream-semantics-agnostic structures and functions
+for representing an i915 perf stream FD and associated file operations.
+
+.. kernel-doc:: drivers/gpu/drm/i915/i915_drv.h
+ :functions: i915_perf_stream
+.. kernel-doc:: drivers/gpu/drm/i915/i915_drv.h
+ :functions: i915_perf_stream_ops
+
+.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
+ :functions: read_properties_unlocked
+.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
+ :functions: i915_perf_open_ioctl_locked
+.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
+ :functions: i915_perf_destroy_locked
+.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
+ :functions: i915_perf_read
+.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
+ :functions: i915_perf_ioctl
+.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
+ :functions: i915_perf_enable_locked
+.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
+ :functions: i915_perf_disable_locked
+.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
+ :functions: i915_perf_poll
+.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
+ :functions: i915_perf_poll_locked
+
+i915 Perf Observation Architecture Stream
+-----------------------------------------
+
+.. kernel-doc:: drivers/gpu/drm/i915/i915_drv.h
+ :functions: i915_oa_ops
+
+.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
+ :functions: i915_oa_stream_init
+.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
+ :functions: i915_oa_read
+.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
+ :functions: i915_oa_stream_enable
+.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
+ :functions: i915_oa_stream_disable
+.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
+ :functions: i915_oa_wait_unlocked
+.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
+ :functions: i915_oa_poll_wait
+
+All i915 Perf Internals
+-----------------------
+
+This section simply includes all currently documented i915 perf internals, in
+no particular order, but may include some more minor utilities or platform
+specific details than found in the more high-level sections.
+
+.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
+ :internal:
+
.. WARNING: DOCPROC directive not supported: !Cdrivers/gpu/drm/i915/i915_irq.c