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ctx header holds only gpu va for each address space. All other information will be held in main context. Ctx header will have gpu va for following fields: ctxsw_prog_main_image_context_buffer_ptr ctxsw_prog_main_image_context_buffer_ptr_hi ctxsw_prog_main_image_zcull_ptr ctxsw_prog_main_image_zcull_ptr ctxsw_prog_main_image_pm_ptr ctxsw_prog_main_image_pm_ptr_hi ctxsw_prog_main_image_full_preemption_ptr_hi ctxsw_prog_main_image_full_preemption_ptr ctxsw_prog_main_image_full_preemption_ptr_xxxx0 ctxsw_prog_main_image_full_preemption_ptr_xxxx0_v ctxsw_prog_main_image_patch_adr_lo ctxsw_prog_main_image_patch_adr_hi Changes done as part of this CL: - Read ctx_id from from main context header - Golden context creation: Use gold_mem for for golden context creation and copy golden context from save gold local memory to main context. No need to restore golden context to context header. - Write ctx_patch_count and smpc_ctxsw_mode in main context header only. - Update preemption mode in main context header and preemption buffer va in context header. - Updated image patch buffer va in context header. Bug 1958308 Change-Id: Ic076aad8b1802f76f941d2d15cb9a8c07308e3e8 Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1562680 Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com> Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> GVS: Gerrit_Virtual_Submit