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On Xe2+ platforms, media engines are attached to "SCMI" OA media (OAM) units. One or more SCMI OAM units might be present on a platform. In addition there is another OAM unit for global events, called OAM-SAG. Performance metrics for media workloads can be obtained from these OAM units, similar to OAG. Expose these OAM units for userspace to use. OAM-SAG is exposed as an OA unit without any attached engines. Bspec: 70819, 67103, 63844, 72572, 74476, 61284 v2: Fix xe_gt_WARN_ON in __hwe_oam_unit for < 12.7 platforms v3: Return XE_OA_UNIT_INVALID for < 12.7 to indicate no OAM units v4: Move xe_oa_print_oa_units() to separate patch v5: Introduce DRM_XE_OA_UNIT_TYPE_OAM_SAG v6: Introduce DRM_XE_OA_CAPS_OAM Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com> Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Link: https://lore.kernel.org/r/20250606192618.4133817-2-ashutosh.dixit@intel.com |
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| block | ||
| 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 | ||
| .pylintrc | ||
| .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.