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a78861b0fb
These should be fine. It's only the early chips that are too broken to see the light of day. Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14726>
57 lines
2.2 KiB
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57 lines
2.2 KiB
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Panfrost
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========
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The Panfrost driver stack includes an OpenGL ES implementation for Arm Mali
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GPUs based on the Midgard and Bifrost microarchitectures. It is **conformant**
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on Mali G52 but **non-conformant** on other GPUs. The following hardware is
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currently supported:
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========= ============ ============ =======
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Product Architecture OpenGL ES OpenGL
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========= ============ ============ =======
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Mali T720 Midgard (v4) 2.0 2.1
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Mali T760 Midgard (v5) 3.1 3.1
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Mali T820 Midgard (v5) 3.1 3.1
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Mali T830 Midgard (v5) 3.1 3.1
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Mali T860 Midgard (v5) 3.1 3.1
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Mali T880 Midgard (v5) 3.1 3.1
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Mali G72 Bifrost (v6) 3.1 3.1
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Mali G31 Bifrost (v7) 3.1 3.1
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Mali G51 Bifrost (v7) 3.1 3.1
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Mali G52 Bifrost (v7) 3.1 3.1
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Mali G76 Bifrost (v7) 3.1 3.1
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========= ============ ============ =======
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Other Midgard and Bifrost chips (T604, T628, G71) are not yet supported.
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Older Mali chips based on the Utgard architecture (Mali 400, Mali 450) are
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supported in the Lima driver, not Panfrost. Lima is also available in Mesa.
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Other graphics APIs (Vulkan, OpenCL) are not supported at this time.
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Building
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--------
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Panfrost's OpenGL support is a Gallium driver. Since Mali GPUs are 3D-only and
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do not include a display controller, Mesa uses kmsro to support display
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controllers paired with Mali GPUs. If your board with a Panfrost supported GPU
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has a display controller with mainline Linux support not supported by kmsro,
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it's easy to add support, see the commit ``cff7de4bb597e9`` as an example.
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LLVM is *not* required by Panfrost's compilers. LLVM support in Mesa can
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safely be disabled for most OpenGL ES users with Panfrost.
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Build like ``meson . build/ -Ddri-drivers= -Dvulkan-drivers=
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-Dgallium-drivers=panfrost -Dllvm=disabled`` for a build directory
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``build``.
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For general information on building Mesa, read :doc:`the install documentation
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<../install>`.
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Chat
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----
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Panfrost developers and users hang out on IRC at ``#panfrost`` on OFTC. Note
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that registering and authenticating with `NickServ` is required to prevent
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spam. `Join the chat. <https://webchat.oftc.net/?channels=#panfrost>`_
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