drm/omap: Merge display .get_modes() and .get_size() operations

Now that the .get_modes() operations takes a drm_connector and fills it
with modes, it becomes easy to fill display information in the same
operation without requiring a separate .get_size() opearation.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c

@@ -1117,6 +1117,9 @@ static int dsicm_get_modes(struct omap_dss_device *dssdev,
 {
 	struct panel_drv_data *ddata = to_panel_data(dssdev);
 
+	connector->display_info.width_mm = ddata->width_mm;
+	connector->display_info.height_mm = ddata->height_mm;
+
 	return omapdss_display_get_modes(connector, &ddata->vm);
 }
 
@@ -1142,15 +1145,6 @@ static int dsicm_check_timings(struct omap_dss_device *dssdev,
 	return ret;
 }
 
-static void dsicm_get_size(struct omap_dss_device *dssdev,
-			  unsigned int *width, unsigned int *height)
-{
-	struct panel_drv_data *ddata = to_panel_data(dssdev);
-
-	*width = ddata->width_mm;
-	*height = ddata->height_mm;
-}
-
 static const struct omap_dss_device_ops dsicm_ops = {
 	.connect	= dsicm_connect,
 	.disconnect	= dsicm_disconnect,
@@ -1166,8 +1160,6 @@ static const struct omap_dss_driver dsicm_dss_driver = {
 	.update		= dsicm_update,
 	.sync		= dsicm_sync,
 
-	.get_size	= dsicm_get_size,
-
 	.enable_te	= dsicm_enable_te,
 	.get_te		= dsicm_get_te,
 

drivers/gpu/drm/omapdrm/dss/omapdss.h

@@ -457,9 +457,6 @@ struct omap_dss_driver {
 	int (*memory_read)(struct omap_dss_device *dssdev,
 			void *buf, size_t size,
 			u16 x, u16 y, u16 w, u16 h);
-
-	void (*get_size)(struct omap_dss_device *dssdev,
-			 unsigned int *width, unsigned int *height);
 };
 
 struct dss_device *omapdss_get_dss(void);

drivers/gpu/drm/omapdrm/omap_connector.c

@@ -225,19 +225,8 @@ static int omap_connector_get_modes(struct drm_connector *connector)
 		return omap_connector_get_modes_edid(connector, dssdev);
 
 	/*
-	 * Otherwise we have either a fixed resolution panel or an output that
-	 * doesn't support modes discovery (e.g. DVI or VGA with the DDC bus
-	 * unconnected, or analog TV). Start by querying the size.
-	 */
-	dssdev = omap_connector->display;
-	if (dssdev->driver && dssdev->driver->get_size)
-		dssdev->driver->get_size(dssdev,
-					 &connector->display_info.width_mm,
-					 &connector->display_info.height_mm);
-
-	/*
-	 * If the display pipeline reports modes (e.g. with a fixed resolution
-	 * panel or an analog TV output), query it.
+	 * Otherwise if the display pipeline reports modes (e.g. with a fixed
+	 * resolution panel or an analog TV output), query it.
 	 */
 	for (dssdev = omap_connector->display; dssdev; dssdev = dssdev->src) {
 		if (dssdev->ops->get_modes)