+ tpo_td043->powered_on = 0;
+}
+
+static int tpo_td043_enable_dss(struct omap_dss_device *dssdev)
+{
+ struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev);
+ int r;
+
+ if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
+ return 0;
+
+ r = omapdss_dpi_display_enable(dssdev);
+ if (r)
+ goto err0;
+
+ if (dssdev->platform_enable) {
+ r = dssdev->platform_enable(dssdev);
+ if (r)
+ goto err1;
+ }
+
+ /*
+ * If we are resuming from system suspend, SPI clocks might not be
+ * enabled yet, so we'll program the LCD from SPI PM resume callback.
+ */
+ if (!tpo_td043->spi_suspended) {
+ r = tpo_td043_power_on(tpo_td043);
+ if (r)
+ goto err1;
+ }
+
+ dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+ return 0;
+err1:
+ omapdss_dpi_display_disable(dssdev);
+err0:
+ return r;
+}
+
+static void tpo_td043_disable_dss(struct omap_dss_device *dssdev)
+{
+ struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev);
+
+ if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
+ return;
+