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Although registers in the L3 bank/node configuration ranges are marked as having "DEV" reset characteristics in the bspec, this appears to be a hold-over from pre-Xe_HP platforms. In reality, these registers maintain their values across engine resets, meaning that workarounds and tuning settings targeting them should be placed on the GT workaround list rather than an engine workaround list. Note that an extra clue here is that these registers moved from the RENDER forcewake domain to the GT forcewake domain in Xe_HP; generally RCS/CCS engine resets should not lead to the reset of a register that lives outside the RENDER domain. Re-applying these registers on engine resets wouldn't actually hurt anything, but is unnecessary and just makes it more confusing to anyone trying to decipher how these registers really work. v2: - Also move DG2's Wa_14010648519 to the GT list. (Gustavo) Cc: Gustavo Sousa <gustavo.sousa@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230209232228.859317-1-matthew.d.roper@intel.com |
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| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .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 Restructured Text 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.