Avoid some code duplication.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
        clock.p1 = (mdiv >> DPIO_P1_SHIFT) & 7;
        clock.p2 = (mdiv >> DPIO_P2_SHIFT) & 0x1f;
 
-       clock.vco = refclk * clock.m1 * clock.m2 / clock.n;
-       clock.dot = 2 * clock.vco / (clock.p1 * clock.p2);
+       vlv_clock(refclk, &clock);
 
-       pipe_config->port_clock = clock.dot / 10;
+       /* clock.dot is the fast clock */
+       pipe_config->port_clock = clock.dot / 5;
 }
 
 static bool i9xx_get_pipe_config(struct intel_crtc *crtc,