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commit262de94a3aupstream. The RCU_MODE_FIXED_SLICE_CCS_MODE setting is not getting invoked in the gt reset path after the ccs_mode setting by the user. Add it to engine register update list (in hw_engine_setup_default_state()) which ensures it gets set in the gt reset and engine reset paths. v2: Add register update to engine list to ensure it gets updated after engine reset also. Fixes:0d97ecce16("drm/xe: Enable Fixed CCS mode setting") Cc: stable@vger.kernel.org Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Link: https://lore.kernel.org/r/20250327185604.18230-1-niranjana.vishwanathapura@intel.com (cherry picked from commit12468e519f) Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>