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86c5b70a9c
Wa_15015404425 asks us to perform four "dummy" writes to a non-existent register offset before every real register read. Although the specific offset of the writes doesn't directly matter, the workaround suggests offset 0x130030 as a good target so that these writes will be easy to recognize and filter out in debugging traces. V5(MattR): - Avoid negating an equality comparison V4(MattR): - Use writel and remove xe_reg usage V3(MattR): - Define dummy reg local to function - Avoid tracing dummy writes - Update commit message V2: - Add WA to 8/16/32bit reads also - MattR - Corrected dummy reg address - MattR - Use for loop to avoid mental pause - JaniN Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Tejas Upadhyay <tejas.upadhyay@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240709155606.2998941-1-tejas.upadhyay@intel.com |
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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.