Ville Syrjälä 971eb92b04 drm/i915: Precompute plane SURF address
Currently we pre-compute the plane surface/base address
partially (only for cursor_needs_physical cases) in
intel_plane_pin_fb() and finish the calculation in the
plane->update_arm(). Let's just precompute the whole thing
instead.

One benefit is that we get rid of all the vma offset stuff
from the low level plane code. Another use I have in mind
is including the surface address in the plane tracepoints,
which should make it easier to analyze display faults.

v2: Deal with xe reuse_vma() hacks
v3: use intel_plane_ggtt_offset() still in reuse_vma()

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250717203216.31258-1-ville.syrjala@linux.intel.com
2025-07-19 20:55:07 +03:00
2025-06-11 11:57:14 -07:00
2022-09-28 09:02:20 +02:00
2025-02-19 14:53:27 -07:00
2025-06-15 13:49:41 -07:00
2024-03-18 03:36:32 -06:00

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.
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