Start making the GMCH DPLL code a bit more like the more modern
platforms by separating out the DPLL hw state readout from the
rest of the pipe readout.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240412182703.19916-8-ville.syrjala@linux.intel.comReviewed-by: Jani Nikula <jani.nikula@intel.com>