Remove fresh pork loin from package and let rest up to 15 minutes.
Mix together ancho chile powder, paprika, mustard powder, coriander, oregano, 1 teaspoon salt, 1 teaspoon pepper, cumin and chile de arbol. Combine with canola oil; mix well.
Rub pork loin with chile rub and refrigerate 4 hours.
Heat oven to 400° F.
Season pork loin with salt and pepper, and place in roasting pan; roast 1 hour until internal temperature reaches 145° F. Let stand 15 minutes; slice into 1-inch-thick slices.
To make chutney: In saucepan, combine port, figs, water, butter, lemon zest, bay leaf, cinnamon and sugar. Season with salt and pepper.
Bring to boil; reduce heat and simmer, partially covered, until liquid is consistency of jam, about 30 minutes. Discard bay leaf and cinnamon stick.
Place pork loin slices in bowl and top with chutney. Serve over creamy polenta.