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Timur Kristóf e93b3052b4 radv: Flush L2 before CP DMA copy/fill when CP DMA doesn't use L2
In case the source or destination were previously written
through L2, we need to writeback L2 to avoid the CP DMA accessing
stale data.

However, as the CP DMA doesn't write L2 either, an invalidation
is also needed to make sure other clients don't access stale data
when they read it through L2 after the CP DMA is complete.

Doing an invalidation before the CP DMA operation should take
care of both.

Additionally, radv_src_access_flush also invalidates L2 before
the copied data can be read.

Cc: mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36820>
(cherry picked from commit c183eb5bc8)
2025-09-17 13:59:17 +02:00
.ci-farms svga/ci: enable vmware farm 2025-06-18 14:52:25 +00:00
.ci-farms-disabled svga/ci: enable vmware farm 2025-06-18 14:52:25 +00:00
.github/workflows meson: remove unused osmesa option 2025-06-23 06:42:50 +00:00
.gitlab docs: update gitlab docs urls 2025-02-23 00:31:59 +01:00
.gitlab-ci ci/crosvm: Retry all curl errors when downloading kernel 2025-09-03 12:08:52 +02:00
.marge/hooks ci: pipeline_message: reset empty errors 2025-01-07 05:08:10 +00:00
android Revert "android: Link with libc++fs up to SDK 35" 2025-06-03 22:01:01 +00:00
bin ci: Fix trace update script following environment variable changes 2025-07-14 06:48:18 +00:00
build-support meson: move tsan-blacklist.txt to build-support with the other build support files 2024-05-01 07:05:12 +00:00
docs docs: add sha sum for 25.2.2 2025-09-03 13:55:58 +02:00
include intel/dev: Add BMG 0xe209 PCI ID 2025-08-20 13:35:07 +02:00
licenses licenses: add missing licenses 2025-01-08 20:37:51 +00:00
src radv: Flush L2 before CP DMA copy/fill when CP DMA doesn't use L2 2025-09-17 13:59:17 +02:00
subprojects subprojects: Stop calling add_languages() in paste-1-rs/meson.build 2025-09-03 12:08:47 +02:00
.clang-format meson: enable the clang-format target 2023-05-29 11:57:08 +00:00
.clang-format-ignore ci: enforce formatting for RADV & ACO 2023-06-16 19:59:52 +00:00
.clang-format-include r300: opt in to clang-format CI enforcement for the compiler 2024-10-15 09:24:02 +00:00
.dir-locals.el
.editorconfig meson: rename meson_options.txt 2025-02-09 08:13:27 +00:00
.git-blame-ignore-revs freedreno: Add register renaming to .git-blame-ignore-revs 2025-07-03 12:50:04 +00:00
.gitattributes gitlab: Highlight .cl as C 2023-11-02 11:37:46 +00:00
.gitignore .gitignore: add .cache folder 2024-05-13 14:32:12 +00:00
.gitlab-ci.yml ci: fix priority of nightly pipeline & staging pipeline jobs 2025-07-16 07:56:55 +00:00
.graphqlrc.yml
.mailmap mailmap,bin/people.csv: fix my preferred email address 2025-07-11 12:04:08 +00:00
.mr-label-maker.yml mr-label-maker.yml: remove remaining osmesa occurrences 2025-06-23 06:42:50 +00:00
.pick_status.json radv: Flush L2 before CP DMA copy/fill when CP DMA doesn't use L2 2025-09-17 13:59:17 +02:00
.shellcheckrc ci: move shellcheck options to .shellcheckrc 2024-10-24 22:43:03 +00:00
CODEOWNERS docs: update gitlab docs urls 2025-02-23 00:31:59 +01:00
meson.build intel: Re-disable ray tracing on 32 bits 2025-08-06 13:43:31 +02:00
meson.options meson: remove intel-clc options 2025-08-20 13:35:06 +02:00
README.rst docs: Match README installation guide with meson.rst 2024-07-27 11:53:53 +00:00
rustfmt.toml mesa: Add rustfmt.toml 2024-11-18 22:29:14 +00:00
VERSION VERSION: bump for 25.2.2 2025-09-03 13:13:56 +02:00

`Mesa <https://mesa3d.org>`_ - The 3D Graphics Library
======================================================


Source
------

This repository lives at https://gitlab.freedesktop.org/mesa/mesa.
Other repositories are likely forks, and code found there is not supported.


Build & install
---------------

You can find more information in our documentation (`docs/install.rst
<https://docs.mesa3d.org/install.html>`_), but the recommended way is to use
Meson (`docs/meson.rst <https://docs.mesa3d.org/meson.html>`_):

.. code-block:: sh

  $ meson setup build
  $ ninja -C build/
  $ sudo ninja -C build/ install

Support
-------

Many Mesa devs hang on IRC; if you're not sure which channel is
appropriate, you should ask your question on `OFTC's #dri-devel
<irc://irc.oftc.net/dri-devel>`_, someone will redirect you if
necessary.
Remember that not everyone is in the same timezone as you, so it might
take a while before someone qualified sees your question.
To figure out who you're talking to, or which nick to ping for your
question, check out `Who's Who on IRC
<https://dri.freedesktop.org/wiki/WhosWho/>`_.

The next best option is to ask your question in an email to the
mailing lists: `mesa-dev\@lists.freedesktop.org
<https://lists.freedesktop.org/mailman/listinfo/mesa-dev>`_


Bug reports
-----------

If you think something isn't working properly, please file a bug report
(`docs/bugs.rst <https://docs.mesa3d.org/bugs.html>`_).


Contributing
------------

Contributions are welcome, and step-by-step instructions can be found in our
documentation (`docs/submittingpatches.rst
<https://docs.mesa3d.org/submittingpatches.html>`_).

Note that Mesa uses gitlab for patches submission, review and discussions.