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The WA requires KMD to disable DOP clock gating during a semaphore wait and also ensure that idle delay for every CS is lower than the idle wait time in the PWRCTX_MAXCNT register. Default values for these registers already comply with this restriction. v2: Store timestamp_base in gt info and other comments (Daniele) v3: Skip WA check for VF v4: Review comments (Matt Roper) v5: Cleanup the clock functions and use reg_field_get (Matt Roper) v6: Fix checkpatch issue v7: Fix CI issue Cc: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com> Signed-off-by: John Harrison <John.C.Harrison@Intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250320175123.3026754-1-vinay.belgaumkar@intel.com
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.