linux-kernel - Re: [PATCH v4] drm: add overview diagram for drm stack

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <CAC0Z3JupfeHHrfj7ZeQ3E-1+E9jBrd9SPBn-eJUjEMN6iMB3aw@mail.gmail.com>
Date: Mon, 9 Jun 2025 14:23:24 -0400
From: Abdulrasaq Lawani <abdulrasaqolawani@...il.com>
To: Bagas Sanjaya <bagasdotme@...il.com>, 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>, dri-devel@...ts.freedesktop.org, linux-doc@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] drm: add overview diagram for drm stack

Hi,

Should I go ahead make the diagram more detailed or just add the links
in 'Slides and articles' & 'Conference talks'  to the existing
diagram?

Best regards,

On Wed, Jun 4, 2025 at 10:37 AM Simona Vetter <simona.vetter@...ll.ch> wrote:
>
> On Mon, Jun 02, 2025 at 08:28:30AM +0700, Bagas Sanjaya wrote:
> > 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@...il.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 |
> > > +        +----------------+     +-------------------+
> > > +
>
> I'm a bit late to the party, apologies. I'm not sure how much use there is
> in an extremely simplified diagram like this, least because it's really
> incomplete and leaves out the entire display and compositor side.
>
> My idea was that we'd instead link to the large pile of introductory and
> overview talks further down in this file, if people want to get an
> overview over what drm does.
>
> If you want I guess you could add some links to the relevant wikipedia
> pages, I think they also do a fairly decent job of explaining the big
> picture.
>
> Thanks, Sima
>
>
> > >
> > >  Style Guidelines
> > >  ================
> > >
> >
> > The patch LGTM, thanks!
> >
> > Reviewed-by: Bagas Sanjaya <bagasdotme@...il.com>
> >
> > --
> > An old man doll... just what I always wanted! - Clara
>
>
>
> --
> Simona Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch