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In case deferred_reset_pending is set in gk20a_fifo_handle_mmu_fault(), we skip resetting the engines and skip setting the error notifier Then we call gk20a_channel_abort()/gk20a_fifo_abort_tsg() which aborts the channels, and resets the syncpoint values to release all the waiters But since we don't set error notifier this could lead User to assume a successful submission without any error To fix this disable channel/TSG in case deferred_reset_pending is set and skip calls to gk20a_channel_abort()/gk20a_fifo_abort_tsg() Note that we finally abort the channel when channel is being closed Bug 200363077 Change-Id: Ia48ca369701c14d1913d8f7b66ed466b7b840224 Signed-off-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1665632 GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-by: Winnie Hsu <whsu@nvidia.com>