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Ville Syrjälä 6541748954 drm/i915/frontbuffer: Handle the dirtyfb cache flush inside intel_frontbuffer_flush()
intel_bo_frontbuffer_flush_for_display() is a bit too low level
to be directly in the high level dirtyfb code. Move the calls
into intel_frontbuffer_flush().

There is a slight behavioural change here in that we now skip
the flush if the bo is not a current scanout buffer (front->bits
== 0). But that is fine as the flush will eventually happen via
the fb pinning code if/when the bo becomes a scanout buffer again.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20251016185408.22735-6-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
History 2025-11-07 17:37:31 +02:00
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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.