drm/omap: drop unused dsi.configure_pins

The panel-dsi-cm's ddata->pin_config is always NULL, so this
callback is never called. Instead the DSI encoder gets the pin
configuration directly from DT.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201215104657.802264-3-tomi.valkeinen@ti.com

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

@@ -68,8 +68,6 @@ struct panel_drv_data {
 	int width_mm;
 	int height_mm;
 
-	struct omap_dsi_pin_config pin_config;
-
 	/* runtime variables */
 	bool enabled;
 
@@ -623,15 +621,6 @@ static int dsicm_power_on(struct panel_drv_data *ddata)
 		}
 	}
 
-	if (ddata->pin_config.num_pins > 0) {
-		r = src->ops->dsi.configure_pins(src, &ddata->pin_config);
-		if (r) {
-			dev_err(&ddata->pdev->dev,
-				"failed to configure DSI pins\n");
-			goto err_vddi;
-		}
-	}
-
 	r = src->ops->dsi.set_config(src, &dsi_config);
 	if (r) {
 		dev_err(&ddata->pdev->dev, "failed to configure DSI\n");

drivers/gpu/drm/omapdrm/dss/dsi.c

@@ -4890,7 +4890,6 @@ static const struct omap_dss_device_ops dsi_ops = {
 
 		.enable_hs = dsi_vc_enable_hs,
 
-		.configure_pins = dsi_configure_pins,
 		.set_config = dsi_set_config,
 
 		.enable_video_output = dsi_enable_video_output,

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

@@ -296,8 +296,6 @@ struct omapdss_dsi_ops {
 	/* bus configuration */
 	int (*set_config)(struct omap_dss_device *dssdev,
 			const struct omap_dss_dsi_config *cfg);
-	int (*configure_pins)(struct omap_dss_device *dssdev,
-			const struct omap_dsi_pin_config *pin_cfg);
 
 	void (*enable_hs)(struct omap_dss_device *dssdev, int channel,
 			bool enable);