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Typically, the PMU init thread will finish up long before the golden context image has been initialized, which means that ELPG hasn't truly been enabled at that point. Create a new function, nvgpu_pmu_reenable_pg(), which checks if elpg had been enabled (non-zero refcnt), and if so, disables then re-enables it. Call this function from nvgpu_gr_obj_ctx_alloc() after the golden context image has been initialized to ensure that elpg is truly enabled. Bug 200543218 Change-Id: I0e7c4f64434c5e356829581950edce61cc88882a Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/2245768 Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com> Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com> Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>