[PATCH v4] drm: add overview diagram for drm stack

[Bagas Sanjaya]

On Sun, Jun 01, 2025 at 06:18:47PM -0400, Abdulrasaq Lawani wrote:
> Add an overview diagram of Linux DRM architecture for
> graphics and compute to introduction.rst
> 
> Signed-off-by: Abdulrasaq Lawani <abdulrasaqolawani at gmail.com>
> ---
> <snipped>...
> diff --git a/Documentation/gpu/introduction.rst b/Documentation/gpu/introduction.rst
> index 3cd0c8860b949408ed570d3f9384edd5f03df002..a8d3f953a470180b395ec52a45d0f3f4561424e0 100644
> --- a/Documentation/gpu/introduction.rst
> +++ b/Documentation/gpu/introduction.rst
> @@ -14,7 +14,45 @@ 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
>  ================
> 

The patch LGTM, thanks!

Reviewed-by: Bagas Sanjaya <bagasdotme at gmail.com>

-- 
An old man doll... just what I always wanted! - Clara
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