*         0 = Default.
  *         DRM_CALLED_FROM_VBLIRQ = If function is called from vbl irq handler.
  * @refcrtc: drm_crtc* of crtc which defines scanout timing.
+ * @mode: mode which defines the scanout timings
  *
  * Returns negative value on error, failure or if not supported in current
  * video mode:
                                          int *max_error,
                                          struct timeval *vblank_time,
                                          unsigned flags,
-                                         struct drm_crtc *refcrtc)
+                                         const struct drm_crtc *refcrtc,
+                                         const struct drm_display_mode *mode)
 {
        ktime_t stime, etime, mono_time_offset;
        struct timeval tv_etime;
-       struct drm_display_mode *mode;
        int vbl_status, vtotal, vdisplay;
        int vpos, hpos, i;
        s64 framedur_ns, linedur_ns, pixeldur_ns, delta_ns, duration_ns;
                return -EIO;
        }
 
-       mode = &refcrtc->hwmode;
        vtotal = mode->crtc_vtotal;
        vdisplay = mode->crtc_vdisplay;
 
 
        /* Helper routine in DRM core does all the work: */
        return drm_calc_vbltimestamp_from_scanoutpos(dev, pipe, max_error,
                                                     vblank_time, flags,
-                                                    crtc);
+                                                    crtc,
+                                                    &to_intel_crtc(crtc)->config.adjusted_mode);
 }
 
 static bool intel_hpd_irq_event(struct drm_device *dev,
 
        /* Helper routine in DRM core does all the work: */
        return drm_calc_vbltimestamp_from_scanoutpos(dev, crtc, max_error,
                                                     vblank_time, flags,
-                                                    drmcrtc);
+                                                    drmcrtc, &drmcrtc->hwmode);
 }
 
 #define KMS_INVALID_IOCTL(name)                                                \
 
                                                 int crtc, int *max_error,
                                                 struct timeval *vblank_time,
                                                 unsigned flags,
-                                                struct drm_crtc *refcrtc);
+                                                const struct drm_crtc *refcrtc,
+                                                const struct drm_display_mode *mode);
 extern void drm_calc_timestamping_constants(struct drm_crtc *crtc,
                                            const struct drm_display_mode *mode);