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In t19x, host1x supports sync point through memory mapped shim layer. So sync-point operations implemented through semphore methods signaling to this sync-point shim layer. Added relevant hal functions for this in fifo hal. JIRA GPUT19X-2 Change-Id: Ia514637d046ba093f4e5afa6cbd06673672fd189 Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com> Reviewed-on: http://git-master/r/1258235 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>