linux-kernel - Re: [PATCH v3] drm: add overview diagram for drm stack

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Message-ID: <aDe4J8Cmlzicggx2@archie.me>
Date: Thu, 29 May 2025 08:28:07 +0700
From: Bagas Sanjaya <bagasdotme@...il.com>
To: Abdulrasaq Lawani <abdulrasaqolawani@...il.com>,
	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
Subject: Re: [PATCH v3] drm: add overview diagram for drm stack

On Tue, May 27, 2025 at 03:17:43AM -0400, Abdulrasaq Lawani wrote:
> revert promotion of overview diagram title to that
> of previous commit in introduction.rst
> 

The patch description doesn't really describe the diff below, which is
to add overview diagram instead. Maybe you can replace that with from your v1?

> 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 diff itself looks good.

Thanks.

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

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