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Lucas Stach authored
If the GPU is done with one user command stream the buffers referenced by this command stream may go away and get unmapped from the MMU. If the write caches are still dirty at this point later evictions will run into MMU faults, killing the GPU. Make sure the write caches are flushed before signaling completion of the user command stream. Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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