drm/omap: dss: Remove omapdss_atv_ops get_wss and set_wss operations

The operations are never used, remove them. If the need to set wide
screen signaling data arises later, it should be implemented by
extending the DRM bridge API.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/gpu/drm/omapdrm/displays/connector-analog-tv.c

@@ -154,22 +154,6 @@ static int tvc_check_timings(struct omap_dss_device *dssdev,
 	return in->ops.atv->check_timings(in, vm);
 }
 
-static u32 tvc_get_wss(struct omap_dss_device *dssdev)
-{
-	struct panel_drv_data *ddata = to_panel_data(dssdev);
-	struct omap_dss_device *in = ddata->in;
-
-	return in->ops.atv->get_wss(in);
-}
-
-static int tvc_set_wss(struct omap_dss_device *dssdev, u32 wss)
-{
-	struct panel_drv_data *ddata = to_panel_data(dssdev);
-	struct omap_dss_device *in = ddata->in;
-
-	return in->ops.atv->set_wss(in, wss);
-}
-
 static struct omap_dss_driver tvc_driver = {
 	.connect		= tvc_connect,
 	.disconnect		= tvc_disconnect,
@@ -180,9 +164,6 @@ static struct omap_dss_driver tvc_driver = {
 	.set_timings		= tvc_set_timings,
 	.get_timings		= tvc_get_timings,
 	.check_timings		= tvc_check_timings,
-
-	.get_wss		= tvc_get_wss,
-	.set_wss		= tvc_set_wss,
 };
 
 static int tvc_probe(struct platform_device *pdev)

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

@@ -362,9 +362,6 @@ struct omapdss_atv_ops {
 			    struct videomode *vm);
 	void (*get_timings)(struct omap_dss_device *dssdev,
 			    struct videomode *vm);
-
-	int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
-	u32 (*get_wss)(struct omap_dss_device *dssdev);
 };
 
 struct omapdss_hdmi_ops {
@@ -554,9 +551,6 @@ struct omap_dss_driver {
 	void (*get_size)(struct omap_dss_device *dssdev,
 			 unsigned int *width, unsigned int *height);
 
-	int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
-	u32 (*get_wss)(struct omap_dss_device *dssdev);
-
 	int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len);
 	bool (*detect)(struct omap_dss_device *dssdev);
 

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

@@ -626,44 +626,6 @@ static void venc_get_timings(struct omap_dss_device *dssdev,
 	mutex_unlock(&venc->venc_lock);
 }
 
-static u32 venc_get_wss(struct omap_dss_device *dssdev)
-{
-	struct venc_device *venc = dssdev_to_venc(dssdev);
-
-	/* Invert due to VENC_L21_WC_CTL:INV=1 */
-	return (venc->wss_data >> 8) ^ 0xfffff;
-}
-
-static int venc_set_wss(struct omap_dss_device *dssdev, u32 wss)
-{
-	struct venc_device *venc = dssdev_to_venc(dssdev);
-	const struct venc_config *config;
-	int r;
-
-	DSSDBG("venc_set_wss\n");
-
-	mutex_lock(&venc->venc_lock);
-
-	config = venc_timings_to_config(&venc->vm);
-
-	/* Invert due to VENC_L21_WC_CTL:INV=1 */
-	venc->wss_data = (wss ^ 0xfffff) << 8;
-
-	r = venc_runtime_get(venc);
-	if (r)
-		goto err;
-
-	venc_write_reg(venc, VENC_BSTAMP_WSS_DATA, config->bstamp_wss_data |
-		       venc->wss_data);
-
-	venc_runtime_put(venc);
-
-err:
-	mutex_unlock(&venc->venc_lock);
-
-	return r;
-}
-
 static int venc_init_regulator(struct venc_device *venc)
 {
 	struct regulator *vdda_dac;
@@ -810,9 +772,6 @@ static const struct omapdss_atv_ops venc_ops = {
 	.check_timings = venc_check_timings,
 	.set_timings = venc_set_timings,
 	.get_timings = venc_get_timings,
-
-	.set_wss = venc_set_wss,
-	.get_wss = venc_get_wss,
 };
 
 static void venc_init_output(struct venc_device *venc)