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Introduce new HAL gops_ltc.set_l2_sector_promotion to configure L2 sector promotion policy. The follow three promotion settings are support: - NVGPU_GPU_IOCTL_TSG_L2_SECTOR_PROMOTE_FLAG_NONE - NVGPU_GPU_IOCTL_TSG_L2_SECTOR_PROMOTE_FLAG_64B - NVGPU_GPU_IOCTL_TSG_L2_SECTOR_PROMOTE_FLAG_128B Add ioctl "NVGPU_TSG_IOCTL_SET_L2_SECTOR_PROMOTION" to the gpu tsg node to support l2 sector promotion. On chips which do not support sector promotion, the ioctl returns 0. Bug 200656177 Change-Id: Iad835a5c954d3b10da436cfafb388aaaa04f44c7 Signed-off-by: Antony Clince Alex <aalex@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2460553 Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com> Reviewed-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> GVS: Gerrit_Virtual_Submit