drm/i915: Use intel_panel_preferred_fixed_mode() more

Use intel_panel_preferred_fixed_mode() for all the orientation
quirk setup and compute_is_dual_link_lvds()). All of these
happen after intel_panel_init() so the panel fixed_mode list
is already in place.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220323182935.4701-5-ville.syrjala@linux.intel.com


Reviewed-by: Jani Nikula <jani.nikula@intel.com>