From: "Souza, Jose" <jose.souza@intel.com>
To: "intel-xe@lists.freedesktop.org" <intel-xe@lists.freedesktop.org>,
"Dugast, Francois" <francois.dugast@intel.com>
Subject: Re: [PATCH v1 11/14] drm/xe/uapi: Add block diagram of a device
Date: Thu, 7 Dec 2023 14:01:49 +0000 [thread overview]
Message-ID: <f99379694f13f4ebff6e4e2cb435a6afffcdb4c3.camel@intel.com> (raw)
In-Reply-To: <20231207135009.7-12-francois.dugast@intel.com>
On Thu, 2023-12-07 at 13:50 +0000, Francois Dugast wrote:
> In order to make proper use the uAPI, a prerequisite is to understand
> some key concepts about the discrete GPU devices which are supported
> by the Xe driver. For example, some structs defined in the uAPI are an
> abstraction of a hardware component with a specific role.
>
> This diagram helps to build a mental representation of a device how it
> is seen by the Xe driver. As written in the documentation, it does not
> intend to be a literal representation of an existing device. A lot
> more information could be added but the intention for the overview is
> to keep it simple, and go into detail as needed in other sections.
>
> v2: Add GT1 inside Tile0 (José Roberto de Souza)
>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
> Signed-off-by: Francois Dugast <francois.dugast@intel.com>
> ---
> include/uapi/drm/xe_drm.h | 39 +++++++++++++++++++++++++++++++++++++++
> 1 file changed, 39 insertions(+)
>
> diff --git a/include/uapi/drm/xe_drm.h b/include/uapi/drm/xe_drm.h
> index 73e9d00a2111..b5117bc1f13c 100644
> --- a/include/uapi/drm/xe_drm.h
> +++ b/include/uapi/drm/xe_drm.h
> @@ -25,6 +25,45 @@ extern "C" {
> * 6. PMU
> */
>
> +/**
> + * DOC: Xe Device Block Diagram
> + *
> + * The diagram below represents a high-level simplification of a discrete
> + * GPU supported by the Xe driver. It shows some device components which
> + * are necessary to understand this API, as well as how their relations
> + * to each other. This diagram does not represent real hardware::
> + *
> + * ┌──────────────────────────────────────────────────────────────────┐
> + * │ ┌──────────────────────────────────────────────────┐ ┌─────────┐ │
> + * │ │ ┌───────────────────────┐ ┌─────┐ │ │ ┌─────┐ │ │
> + * │ │ │ VRAM0 ├───┤ ... │ │ │ │VRAM1│ │ │
> + * │ │ └───────────┬───────────┘ └─GT1─┘ │ │ └──┬──┘ │ │
> + * │ │ ┌──────────────────┴───────────────────────────┐ │ │ ┌──┴──┐ │ │
> + * │ │ │ ┌─────────────────────┐ ┌─────────────────┐ │ │ │ │ │ │ │
> + * │ │ │ │ ┌──┐ ┌──┐ ┌──┐ ┌──┐ │ │ ┌─────┐ ┌─────┐ │ │ │ │ │ │ │ │
> + * │ │ │ │ │EU│ │EU│ │EU│ │EU│ │ │ │RCS0 │ │BCS0 │ │ │ │ │ │ │ │ │
> + * │ │ │ │ └──┘ └──┘ └──┘ └──┘ │ │ └─────┘ └─────┘ │ │ │ │ │ │ │ │
> + * │ │ │ │ ┌──┐ ┌──┐ ┌──┐ ┌──┐ │ │ ┌─────┐ ┌─────┐ │ │ │ │ │ │ │ │
> + * │ │ │ │ │EU│ │EU│ │EU│ │EU│ │ │ │VCS0 │ │VCS1 │ │ │ │ │ │ │ │ │
> + * │ │ │ │ └──┘ └──┘ └──┘ └──┘ │ │ └─────┘ └─────┘ │ │ │ │ │ │ │ │
> + * │ │ │ │ ┌──┐ ┌──┐ ┌──┐ ┌──┐ │ │ ┌─────┐ ┌─────┐ │ │ │ │ │ │ │ │
> + * │ │ │ │ │EU│ │EU│ │EU│ │EU│ │ │ │VECS0│ │VECS1│ │ │ │ │ │ ... │ │ │
> + * │ │ │ │ └──┘ └──┘ └──┘ └──┘ │ │ └─────┘ └─────┘ │ │ │ │ │ │ │ │
> + * │ │ │ │ ┌──┐ ┌──┐ ┌──┐ ┌──┐ │ │ ┌─────┐ ┌─────┐ │ │ │ │ │ │ │ │
> + * │ │ │ │ │EU│ │EU│ │EU│ │EU│ │ │ │CCS0 │ │CCS1 │ │ │ │ │ │ │ │ │
> + * │ │ │ │ └──┘ └──┘ └──┘ └──┘ │ │ └─────┘ └─────┘ │ │ │ │ │ │ │ │
> + * │ │ │ └─────────DSS─────────┘ │ ┌─────┐ ┌─────┐ │ │ │ │ │ │ │ │
> + * │ │ │ │ │CCS2 │ │CCS3 │ │ │ │ │ │ │ │ │
> + * │ │ │ ┌─────┐ ┌─────┐ ┌─────┐ │ └─────┘ └─────┘ │ │ │ │ │ │ │ │
> + * │ │ │ │ ... │ │ ... │ │ ... │ │ │ │ │ │ │ │ │ │
> + * │ │ │ └─DSS─┘ └─DSS─┘ └─DSS─┘ └─────Engines─────┘ │ │ │ │ │ │ │
> + * │ │ └───────────────────────────GT0────────────────┘ │ │ └─GT2─┘ │ │
> + * │ └────────────────────────────Tile0─────────────────┘ └─ Tile1──┘ │
> + * └─────────────────────────────Device0───────┬──────────────────────┘
> + * │
> + * ───────────────────────┴────────── PCI bus
> + */
> +
> /**
> * DOC: Xe uAPI Overview
> *
next prev parent reply other threads:[~2023-12-07 14:02 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-07 13:49 [PATCH v1 00/14] uAPI Alignment - Documentation Francois Dugast
2023-12-07 13:49 ` [PATCH v1 01/14] drm/xe/uapi: Add a comment to each struct Francois Dugast
2023-12-14 14:17 ` Rodrigo Vivi
2023-12-07 13:49 ` [PATCH v1 02/14] drm/xe/uapi: Add missing documentation for struct members Francois Dugast
2023-12-14 14:17 ` Rodrigo Vivi
2023-12-07 13:49 ` [PATCH v1 03/14] drm/xe/uapi: Document use of size in drm_xe_device_query Francois Dugast
2023-12-13 18:16 ` Rodrigo Vivi
2023-12-07 13:49 ` [PATCH v1 04/14] drm/xe/uapi: Document drm_xe_query_config keys Francois Dugast
2023-12-13 18:14 ` Rodrigo Vivi
2023-12-07 13:50 ` [PATCH v1 05/14] drm/xe/uapi: Document DRM_XE_DEVICE_QUERY_HWCONFIG Francois Dugast
2023-12-13 18:14 ` Rodrigo Vivi
2023-12-07 13:50 ` [PATCH v1 06/14] drm/xe/uapi: Make constant comments visible in kernel doc Francois Dugast
2023-12-13 18:16 ` Rodrigo Vivi
2023-12-07 13:50 ` [PATCH v1 07/14] drm/xe/uapi: Replace BO with GEM in documentation Francois Dugast
2023-12-07 14:49 ` Matthew Auld
2023-12-13 18:27 ` Rodrigo Vivi
2023-12-07 13:50 ` [PATCH v1 08/14] drm/xe/uapi: Order sections Francois Dugast
2023-12-14 20:57 ` Lucas De Marchi
2023-12-15 4:06 ` Aravind Iddamsetty
2023-12-07 13:50 ` [PATCH v1 09/14] drm/xe/uapi: More uAPI documentation additions and cosmetic updates Francois Dugast
2023-12-14 16:45 ` Lucas De Marchi
2023-12-14 19:40 ` Francois Dugast
2023-12-07 13:50 ` [PATCH v1 10/14] drm/xe/uapi: Document the memory_region bitmask Francois Dugast
2023-12-14 21:23 ` Lucas De Marchi
2023-12-07 13:50 ` [PATCH v1 11/14] drm/xe/uapi: Add block diagram of a device Francois Dugast
2023-12-07 14:01 ` Souza, Jose [this message]
2023-12-07 13:50 ` [PATCH v1 12/14] drm/xe/uapi: Add examples of user space code Francois Dugast
2023-12-13 18:26 ` Rodrigo Vivi
2023-12-07 13:50 ` [PATCH v1 13/14] drm/xe/uapi: Move CPU_CACHING defines before doc Francois Dugast
2023-12-13 18:18 ` Rodrigo Vivi
2023-12-07 13:50 ` [PATCH v1 14/14] drm/xe/uapi: Move DRM_XE_ACC_GRANULARITY_* where they are used Francois Dugast
2023-12-13 18:17 ` Rodrigo Vivi
2023-12-07 16:42 ` ✓ CI.Patch_applied: success for uAPI Alignment - Documentation Patchwork
2023-12-07 16:42 ` ✗ CI.checkpatch: warning " Patchwork
2023-12-07 16:44 ` ✓ CI.KUnit: success " Patchwork
2023-12-07 16:51 ` ✓ CI.Build: " Patchwork
2023-12-07 16:51 ` ✓ CI.Hooks: " Patchwork
2023-12-07 16:53 ` ✓ CI.checksparse: " Patchwork
2023-12-07 17:28 ` ✓ CI.BAT: " Patchwork
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