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Lucas De Marchi
9c7632faad
In case the BO is in iomem, we can't simply take the vaddr and write to it. Instead, prepare a separate buffer that is later copied into io memory. Right now it's just a few words that could be using xe_map_write32(), but the intention is to grow the WA BB for other uses. Fixes:617d824c53("drm/xe: Add WA BB to capture active context utilization") Cc: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@igalia.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Link: https://lore.kernel.org/r/20250604-wa-bb-fix-v1-1-0dfc5dafcef0@intel.com Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> (cherry picked from commitef48715b2d) 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.