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pc_set_mert_freq_cap() currently lock()/unlock() the mutex multiple times to stash the current frequencies. It's not a problem since xe_guc_pc_restore_stashed_freq() is guaranteed to be called only later in the init sequence. However, now that we have _locked() variants for this functions, use them and avoid potential issues when called from other places or using the same pattern. While at it, prefer and early return for the WA check to reduce indentation. Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://lore.kernel.org/r/20250618-wa-22019338487-v5-2-b888388477f2@intel.com Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>