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The call of gk20a_scale_init has been moved to after finialize poweron in commit f445ab63 gpu: nvgpu: enable devfreq after finalize poweron, hence remove the duplicate call in nvgpu_probe(). Given that the platform clk_round_rate call need valid scaling profile, need to put gk20a_scale_init call to a place before calling gp10b_init_gpu_characteristics(). This change also adds checking of valid scaling profile private data. Bug 2107631 Change-Id: I8cb2a65ddf10771860c0e7d4e5db774d8e3b6aaa Signed-off-by: Ken Chang <kenc@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1705734 GVS: Gerrit_Virtual_Submit Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com> Tested-by: Seshendra Gadagottu <sgadagottu@nvidia.com> Reviewed-by: Hayden Du <haydend@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>