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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
04bfe828db
TR-TT is a hardware feature supported by both i915.ko and xe.ko, which means we can now finally have Sparse Resources on i915.ko and we also have 2 options for xe.ko (and whatever is the best should be the default). In this patch we use batch commands to write the page tables and forever keep them in device memory. We maintain a mirror of both the L3 and and L2 tables because that helps us never having to read the tables that are in device memory. We still have some things to improve, but with this commit, workloads that didn't work at all due to the lack of sparse resources should at least run. This is still all disabled by default in i915.ko, you can turn it on by exporting ANV_SPARSE=1 before launching the applications. For xe.ko, switch the default with ANV_SPARSE_USE_TRTT=1. Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25512> |
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`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://mesa3d.org/install.html>`_), but the recommended way is to use Meson (`docs/meson.rst <https://mesa3d.org/meson.html>`_): .. code-block:: sh $ mkdir build $ cd build $ meson .. $ sudo ninja 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://mesa3d.org/bugs.html>`_). Contributing ------------ Contributions are welcome, and step-by-step instructions can be found in our documentation (`docs/submittingpatches.rst <https://mesa3d.org/submittingpatches.html>`_). Note that Mesa uses gitlab for patches submission, review and discussions.