Check these conditions for fecs arbiter idle:
1. Wait for gr_fecs_arb_ctx_cmd to idle
2. Wait for gr_fecs_ctxsw_status_1:arb_busy to idle
Just waiting for condition 1, only guarantees dispatching
of command but not completion of work.
Bug 2056266
Change-Id: I3fcbdb9cda91fee0ff345a24bf23ba7dabf268d0
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1667550
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>