Aniket Bahadarpurkar 3b116f7c1a tegra: rtcpu: use separate thread for reading ivc ...

Using global work queue and its associated worker
pool to read IVC messages from RTCPU may lead to
capture timeouts if the worker thread is not able
to get cpu due to other higher priority threads in
the system. Hence use a separate RT thread to read
IVC.

Notes for nvidia-oot: 

Use low fifo priority for worker threads to avoid
pre-empting the interrupt thread serving the HSP
driver.

Bug 200643334
Bug 3293029
Bug 3291799
Bug 4084364

Old-Change-Id: I5a3e749ec46fac1c7a2de74968169443f5cab939
Signed-off-by: Aniket Bahadarpurkar <aniketb@nvidia.com>
Signed-off-by: Pekka Pessi <ppessi@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2689827
(cherry picked from commit 18d670accc7960b0afbc7b58b339a323e424e010)
Change-Id: I48e22606e53d934d3788d524fd1f496d0f92a04a
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2939796
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Viktor Horsmanheimo <viktorh@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Kalle Jokiniemi <kjokiniemi@nvidia.com>
Reviewed-by: Sudhir Vyas <svyas@nvidia.com>
Tested-by: Viktor Horsmanheimo <viktorh@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>

2023-07-25 15:26:25 -07:00

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