Documentation/gpu: Add new glossary entries from UMR

When using UMR, a dashboard is available that displays the CPC, CPF,
CPG, TCP, and UTCL utilization. This commit introduces the meanings of
those acronyms (and others) to the glossary to improve the comprehension
of the UMR dashboard.

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Timur Kristóf <timur.kristof@gmail.com>
Cc: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Rodrigo Siqueira <siqueira@igalia.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/Documentation/gpu/amdgpu/amdgpu-glossary.rst b/Documentation/gpu/amdgpu/amdgpu-glossary.rst
index 43a36362dc734b00fbe842af3e0efd3ad942213f..ac13213d84faf330f64783c295e4e7e47fcf4d81 100644 (file)
--- a/Documentation/gpu/amdgpu/amdgpu-glossary.rst
+++ b/Documentation/gpu/amdgpu/amdgpu-glossary.rst
@@ -30,6 +30,15 @@ we have a dedicated glossary for Display Core at
     CP
       Command Processor
 
+    CPC
+      Command Processor Compute
+
+    CPF
+      Command Processor Fetch
+
+    CPG
+      Command Processor Graphics
+
     CPLIB
       Content Protection Library
 
@@ -78,6 +87,9 @@ we have a dedicated glossary for Display Core at
     GMC
       Graphic Memory Controller
 
+    GPR
+      General Purpose Register
+
     GPUVM
       GPU Virtual Memory.  This is the GPU's MMU.  The GPU supports multiple
       virtual address spaces that can be in flight at any given time.  These
@@ -92,9 +104,15 @@ we have a dedicated glossary for Display Core at
       table for use by the kernel driver or into per process GPUVM page tables
       for application usage.
 
+    GWS
+      Global Wave Sync
+
     IH
       Interrupt Handler
 
+    IV
+      Interrupt Vector
+
     HQD
       Hardware Queue Descriptor
 
@@ -215,12 +233,24 @@ we have a dedicated glossary for Display Core at
     TC
       Texture Cache
 
+    TCP (AMDGPU)
+      Texture Cache per Pipe. Even though the name "Texture" is part of this
+      acronym, the TCP represents the path to memory shaders; i.e., it is not
+      related to texture. The name is a leftover from older designs where shader
+      stages had different cache designs; it refers to the L1 cache in older
+      architectures.
+
     TOC
       Table of Contents
 
     UMSCH
       User Mode Scheduler
 
+    UTC (AMDGPU)
+      Unified Translation Cache. UTC is equivalent to TLB. You might see a
+      variation of this acronym with L at the end, i.e., UTCL followed by a
+      number; L means the cache level (e.g., UTCL1 and UTCL2).
+
     UVD
       Unified Video Decoder