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In gk20a_gr_handle_fecs_error(), we right now check the error code in mailbox to identify if we hit timestamp buffer full error interrupt This error code right now is hard coded to 0x26 But on Turing ucode this error code is set to 0x32 Add new HAL g->ops.fecs_trace.get_buffer_full_mailbox_val() to get correct error code per platform and use this in gk20a_gr_handle_fecs_error() Bug 200471541 Bug 2469604 Change-Id: I7325354b39d35b1c8b218e554814316d22950469 Signed-off-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1978144 Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>