Richard Zhao a4065effdc gpu: nvgpu: increase sync-unmap timeout to 100ms ...

- sync-unmap timeout was observed intermittently. so doubled the timeout
  value.
- also check ref count after last round of sleep. The polling could
  succeed during the last sleep.
- fix error print on timeout.

Bug 200434475

Change-Id: If821dfaca9b86873711f436645523dc49a5eba34
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1828562
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

2018-09-21 11:22:20 -07:00

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