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In order to detect duplicate implementations for the same workaround, early in the implementation of RTP it was decided to error out even if the values set are exactly the same. With the introduction of 18034896535 in commit74671d23ca("drm/xe/xe2: Add workaround 18034896535"), LNL stepping with graphics stepping A1 now gives the following error on module load: xe 0000:00:02.0: [drm] *ERROR* GT0: [GT OTHER] \ discarding save-restore reg e48c (clear: 00000200, set: 00000200,\ masked: yes, mcr: yes): ret=-22 RTP may be improved in the future, but for now simply join the entries like done with e.g. "1607297627, 1607030317, 1607186500". Fixes:74671d23ca("drm/xe/xe2: Add workaround 18034896535") Cc: Bommu Krishnaiah <krishnaiah.bommu@intel.com> Cc: Tejas Upadhyay <tejas.upadhyay@intel.com> Cc: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240427135339.3485559-1-lucas.demarchi@intel.com Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> (cherry picked from commit4caf410766) Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.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.