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d1b14231aa
The BIOS FB takeover code wants to read out the PTEs (or at least one of them) to figure out where the FB is located in memory. Currently we only do that for systems with LMEMBAR, and we've open coded the PTE decoding in the display code. Introduce a more proper abstract interface (intel_ggtt_read_entry()) for this purpose, and implement it for all platforms. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250313140838.29742-5-ville.syrjala@linux.intel.com Reviewed-by: Jouni Högander <jouni.hogander@intel.com> |
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| 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 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.