drm/i915/mtl: Reuse adl-p DBUF calculations

Meteorlake uses a similar DBUF calculations as ADL-P.
Reuse the call flow for meteorlake.

Bspec: 49255

Original Author: Caz Yokoyama
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220818234202.451742-19-radhakrishna.sripada@intel.com

drivers/gpu/drm/i915/intel_pm.c

@@ -4928,7 +4928,7 @@ static u8 skl_compute_dbuf_slices(struct intel_crtc *crtc, u8 active_pipes, bool
 
 	if (IS_DG2(dev_priv))
 		return dg2_compute_dbuf_slices(pipe, active_pipes, join_mbus);
-	else if (IS_ALDERLAKE_P(dev_priv))
+	else if (DISPLAY_VER(dev_priv) >= 13)
 		return adlp_compute_dbuf_slices(pipe, active_pipes, join_mbus);
 	else if (DISPLAY_VER(dev_priv) == 12)
 		return tgl_compute_dbuf_slices(pipe, active_pipes, join_mbus);