Alex Deucher 32eaeae0ef drm/amdgpu/psp: add a mutex to protect access to the psp ring ...

We need to serialize access to the psp ring if there are multiple
callers at runtime.

Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

2019-07-09 17:43:39 -05:00

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