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303267d828
In anticipation of removal of the intr API, implement job tracking using DMA fences instead. The main two things about this are making cdma_update schedule the work since fence completion can now be called from interrupt context, and some complication in ensuring the callback is not running when we free the fence. Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Change-Id: I25f7f5a6cad24a00563eed79e0e17b1df1eadcdc Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2786636 Reviewed-by: Jonathan Hunter <jonathanh@nvidia.com> GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>