drm/etnaviv: add lockdep annotations to buffer manipulation functions

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When manipulating the kernel command buffer the GPU mutex must be held, as
otherwise different callers might try to replace the same part of the
buffer, wreacking havok in the GPU execution.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>

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Lucas Stach 2017-11-17 17:51:19 +01:00

parent 40c27bdeb0

commit b6d6223f50

1 changed files with 12 additions and 0 deletions

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drivers/gpu/drm/etnaviv/etnaviv_buffer.c

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