struct intel_crtc *crtc;
        struct drm_i915_gem_object *vid_bo;
        struct drm_i915_gem_object *old_vid_bo;
-       int active;
-       int pfit_active;
+       bool active;
+       bool pfit_active;
        u32 pfit_vscale_ratio; /* shifted-point number, (1<<12) == 1.0 */
        u32 color_key;
        u32 brightness, contrast, saturation;
        int ret;
 
        WARN_ON(overlay->active);
-       overlay->active = 1;
+       overlay->active = true;
 
        WARN_ON(IS_I830(dev) && !(dev_priv->quirks & QUIRK_PIPEA_FORCE));
 
 
        overlay->crtc->overlay = NULL;
        overlay->crtc = NULL;
-       overlay->active = 0;
+       overlay->active = false;
 }
 
 /* overlay needs to be disabled in OCMD reg */
                /* line too wide, i.e. one-line-mode */
                if (mode->hdisplay > 1024 &&
                    intel_panel_fitter_pipe(dev) == crtc->pipe) {
-                       overlay->pfit_active = 1;
+                       overlay->pfit_active = true;
                        update_pfit_vscale_ratio(overlay);
                } else
-                       overlay->pfit_active = 0;
+                       overlay->pfit_active = false;
        }
 
        ret = check_overlay_dst(overlay, put_image_rec);