Sagar Kamble 0d088ad70c gpu: nvgpu: wait for stalling interrupts to complete during TSG unbind preempt ...

Some of the engine stalling interrupts can block the context save off
the engine if not handled during fifo.preempt_tsg. They need to be
handled while polling for engine ctxsw status.

Bug 200711183
Bug 200726848

Change-Id: Ie45d76d9d1d8be3ffb842670843507f2d9aea6d0
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2521971
(cherry picked from commit I7418a9e0354013b81fbefd8c0cab5068404fc44e)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2523938
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit

2021-05-04 14:40:45 -07:00

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