drm/i915: Plane configuration affects CDCLK in Gen11+

So lets support it.

v2: - Fixed "from" field which got corrupted for some weird reason
Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200520145945.15997-1-stanislav.lisovskiy@intel.com

drivers/gpu/drm/i915/display/intel_display.c

@@ -14643,7 +14643,7 @@ static bool active_planes_affects_min_cdclk(struct drm_i915_private *dev_priv)
 	/* See {hsw,vlv,ivb}_plane_ratio() */
 	return IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv) ||
 		IS_CHERRYVIEW(dev_priv) || IS_VALLEYVIEW(dev_priv) ||
-		IS_IVYBRIDGE(dev_priv);
+		IS_IVYBRIDGE(dev_priv) || (INTEL_GEN(dev_priv) >= 11);
 }
 
 static int intel_atomic_check_planes(struct intel_atomic_state *state)