drm/bridge/synopsys: dsi: extend the prototype of mode_valid()

To evaluate the validity of a video mode, some additional internal
value has to be passed to the platform implementation.

Extend the prototype of mode_valid().
Signed-off-by: Antonio Borneo <antonio.borneo@foss.st.com>
Reviewed-by: Philippe Cornu <philippe.cornu@foss.st.com>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211218215055.212421-2-antonio.borneo@foss.st.com

drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c

@@ -998,7 +998,10 @@ dw_mipi_dsi_bridge_mode_valid(struct drm_bridge *bridge,
 	enum drm_mode_status mode_status = MODE_OK;
 
 	if (pdata->mode_valid)
-		mode_status = pdata->mode_valid(pdata->priv_data, mode);
+		mode_status = pdata->mode_valid(pdata->priv_data, mode,
+						dsi->mode_flags,
+						dw_mipi_dsi_get_lanes(dsi),
+						dsi->format);
 
 	return mode_status;
 }

include/drm/bridge/dw_mipi_dsi.h

@@ -51,7 +51,9 @@ struct dw_mipi_dsi_plat_data {
 	unsigned int max_data_lanes;
 
 	enum drm_mode_status (*mode_valid)(void *priv_data,
-					   const struct drm_display_mode *mode);
+					   const struct drm_display_mode *mode,
+					   unsigned long mode_flags,
+					   u32 lanes, u32 format);
 
 	const struct dw_mipi_dsi_phy_ops *phy_ops;
 	const struct dw_mipi_dsi_host_ops *host_ops;