linux-kernel - [PATCH v2 1/2] drm: add overview diagram for drm stack

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Message-Id: <20250523-drm-doc-updates-v2-1-e517df152cf6@gmail.com>
Date: Fri, 23 May 2025 15:52:25 -0400
From: Abdulrasaq Lawani <abdulrasaqolawani@...il.com>
To: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Jonathan Corbet <corbet@....net>
Cc: dri-devel@...ts.freedesktop.org, linux-doc@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 Abdulrasaq Lawani <abdulrasaqolawani@...il.com>
Subject: [PATCH v2 1/2] drm: add overview diagram for drm stack

Add an overview diagram of Linux DRM architecture for
graphics and compute to introduction.rst
---
 Documentation/gpu/introduction.rst | 38 +++++++++++++++++++++++++++++++++++++-
 1 file changed, 37 insertions(+), 1 deletion(-)

diff --git a/Documentation/gpu/introduction.rst b/Documentation/gpu/introduction.rst
index 3cd0c8860b949408ed570d3f9384edd5f03df002..91bb0efc96d69921a122c5265b1431fa18110a7a 100644
--- a/Documentation/gpu/introduction.rst
+++ b/Documentation/gpu/introduction.rst
@@ -14,7 +14,43 @@ including the TTM memory manager, output configuration and mode setting,
 and the new vblank internals, in addition to all the regular features
 found in current kernels.
 
-[Insert diagram of typical DRM stack here]
+Overview of the Linux DRM Architecture
+-----------------------------------------------
++-----------------------------+
+|     User-space Apps         |
+| (Games, Browsers, ML, etc.) |
++-----------------------------+
+              |
+              v
++---------------------------------------+
+|    Graphics APIs   |   Compute APIs   |
+|  (OpenGL, Vulkan)  |  (OpenCL, CUDA)  |
++---------------------------------------+
+          |                   |
+          v                   v
++---------------------+  +-----------------------+
+|  User-space Driver  |  |    Compute Runtime    |
+|  (Mesa, AMD/NVIDIA) |  |  (OpenCL, CUDA, ROCm) |
++---------------------+  +-----------------------+
+          |                   |
+          +--------+----------+
+                   |
+                   v
+        +-----------------------+
+        |   libdrm (DRM API)    |
+        +-----------------------+
+                   |
+                   v
++-------------------------------------------+
+|     Kernel DRM/KMS Driver (i915, amdgpu,  |
+|     nouveau, etc.)                        |
++-------------------------------------------+
+        |                       |
+        v                       v
++----------------+     +-------------------+
+| GPU Display HW |     | GPU Compute Units |
++----------------+     +-------------------+
+
 
 Style Guidelines
 ================

-- 
2.43.0