Dinesh 8a94781aa9 gpu: nvgpu: Change pramin lock to mutex ...

As spinlock contention will eat cpu cycle, the pramin lock
can be changed to mutex.
Vidmem allocation is fully protected and vidmem pending is
an atomic variable. So the lock acquisition is removed.


JIRA NVGPU-4550

Change-Id: I0cecb8f4ee7e840fd698311572aedebbc8f49177
Signed-off-by: Dinesh <dt@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2321251
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: Ankur Kishore <ankkishore@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
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GVS: Gerrit_Virtual_Submit

2020-12-15 14:13:28 -06:00

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