drm/i915/pvc: Add recommended MMIO setting
As with past platforms, the bspec's performance tuning guide provides recommended MMIO settings. Although not technically "workarounds" we apply these through the workaround framework to ensure that they're re-applied at the proper times (e.g., on engine resets) and that any conflicts with real workarounds are flagged. Bspec: 72161 Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: José Roberto de Souza <jose.souza@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220613165314.862029-1-matthew.d.roper@intel.com
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