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The multiplication got replaced by an addition in some cleanup. This means we never write the correct data to some of the BDW PSR data registers and thus we fail to actually wake up the panel from PSR. Fixes:4ab4fa1032("drm/i915/psr: Make PSR registers relative to transcoders") Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230609141404.12729-3-ville.syrjala@linux.intel.com Reviewed-by: Jouni Högander <jouni.hogander@intel.com> (cherry picked from commit460dc4ba14) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>