Currently we sometimes use the plane destination width, or just the pipe src width as the plane source width in the watermark calculatons. Use the correct thing everywhere. v2: convert ilk cur/fbc cases too Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211209144311.3221-2-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>