2 files changed, 32 insertions, 0 deletions

diff --git a/drivers/gpu/drm/omapdrm/dss/base.c b/drivers/gpu/drm/omapdrm/dss/base.c
index cf50430e6363..3d2aa9d4ab6b 100644
--- a/drivers/gpu/drm/omapdrm/dss/base.c
+++ b/drivers/gpu/drm/omapdrm/dss/base.c
@@ -234,6 +234,18 @@ void omapdss_device_disconnect(struct omap_dss_device *src,
 }
 EXPORT_SYMBOL_GPL(omapdss_device_disconnect);
 
+void omapdss_device_pre_enable(struct omap_dss_device *dssdev)
+{
+	if (!dssdev)
+		return;
+
+	omapdss_device_pre_enable(dssdev->next);
+
+	if (dssdev->ops && dssdev->ops->pre_enable)
+		dssdev->ops->pre_enable(dssdev);
+}
+EXPORT_SYMBOL_GPL(omapdss_device_pre_enable);
+
 void omapdss_device_enable(struct omap_dss_device *dssdev)
 {
 	if (!dssdev)
@@ -260,6 +272,20 @@ void omapdss_device_disable(struct omap_dss_device *dssdev)
 }
 EXPORT_SYMBOL_GPL(omapdss_device_disable);
 
+void omapdss_device_post_disable(struct omap_dss_device *dssdev)
+{
+	if (!dssdev)
+		return;
+
+	if (dssdev->ops && dssdev->ops->post_disable)
+		dssdev->ops->post_disable(dssdev);
+
+	omapdss_device_post_disable(dssdev->next);
+
+	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+}
+EXPORT_SYMBOL_GPL(omapdss_device_post_disable);
+
 /* -----------------------------------------------------------------------------
  * Components Handling
  */
diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h
index afb65585b640..47763e0b27f6 100644
--- a/drivers/gpu/drm/omapdrm/dss/omapdss.h
+++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h
@@ -346,11 +346,15 @@ struct omap_dss_device_ops {
 	void (*disconnect)(struct omap_dss_device *dssdev,
 			struct omap_dss_device *dst);
 
+	void (*pre_enable)(struct omap_dss_device *dssdev);
 	void (*enable)(struct omap_dss_device *dssdev);
 	void (*disable)(struct omap_dss_device *dssdev);
+	void (*post_disable)(struct omap_dss_device *dssdev);
 
 	int (*check_timings)(struct omap_dss_device *dssdev,
 			     struct drm_display_mode *mode);
+	void (*set_timings)(struct omap_dss_device *dssdev,
+			    const struct drm_display_mode *mode);
 
 	int (*get_modes)(struct omap_dss_device *dssdev,
 			 struct drm_connector *connector);
@@ -449,8 +453,10 @@ int omapdss_device_connect(struct dss_device *dss,
 			   struct omap_dss_device *dst);
 void omapdss_device_disconnect(struct omap_dss_device *src,
 			       struct omap_dss_device *dst);
+void omapdss_device_pre_enable(struct omap_dss_device *dssdev);
 void omapdss_device_enable(struct omap_dss_device *dssdev);
 void omapdss_device_disable(struct omap_dss_device *dssdev);
+void omapdss_device_post_disable(struct omap_dss_device *dssdev);
 
 int omap_dss_get_num_overlay_managers(void);