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The name of an IP is a function of its version. As such, given an IP
version, it should be clear to identify the name of that IP release.
With the current code, we keep that mapping clear for pre-GMDID IPs, but
ambiguous for GMDID-based ones. That causes two types of inconveniences:
1. The end user, who might not have all the necessary mapping at hand,
might be confused when seeing different possible IP names in the
dmesg log.
2. It makes a developer who is not familiar with the "IP version" to
"Release name" need to resort to looking at the specs to understand
see what version maps to what. While the specs should be the
authority on the mapping, we should make our lives easier by
reflecting that mapping in the source code.
Thus, since the IP name is tied to the version, let's remove the
ambiguity by using a "name" field in struct gmdid_map instead of
accumulating names in the descriptor instances.
This does result in the code having IP name being defined in
different structs (gmdid_map, xe_graphics_desc, xe_media_desc), but that
will be resolved in upcoming changes.
A side-effect of this change is that media_xe2 exactly matches
media_xelpmp now, so we just re-use the latter.
v2:
- Drop media_xe2 and re-use media_xelpmp. (Matt)
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250221-xe-unify-ip-descriptors-v2-2-5bc0c6d0c13f@intel.com
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
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| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.