[PATCH] drm: add overview diagram for drm stack

[Abdulrasaq Lawani]

Add an overview diagram of Linux DRM architecture for
graphics and compute to introduction.rst

---
Signed-off-by: Abdulrasaq Lawani <abdulrasaqolawani at gmail.com>
---
 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
 ================

---
base-commit: 4d07f5440d7afee27dada528aaf5230e760531cb
change-id: 20250522-drm-doc-updates-3686f6d48122

Best regards,
-- 
Abdulrasaq Lawani <abdulrasaqolawani at gmail.com>