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pvr: debug: Add documentation for PVR_DEBUG environment variable
Signed-off-by: Matt Coster <matt.coster@imgtec.com> Reviewed-by: Karmjit Mahil <Karmjit.Mahil@imgtec.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18948>
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@ -1438,6 +1438,15 @@ Asahi driver environment variables
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``noopt``
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Disable various backend optimizations.
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.. _imagination env-vars:
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PowerVR driver environment variables
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------------------------------------------------
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:envvar:`PVR_DEBUG`
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A comma-separated list of debug options. Use `PVR_DEBUG=help` to
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print a list of available options.
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Other Gallium drivers have their own environment variables. These may
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change frequently so the source code should be consulted for details.
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