drm/bridge/synopsys: dsi: missing post disable

Sometime the post_disable function is missing (not registered). Signed-off-by: Yannick Fertré <[email protected]> Reviewed-by: Philippe Cornu <[email protected]> Signed-off-by: Neil Armstrong <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
LoveHeat · Feb 10, 2020 · 7ca0116 · 7ca0116
1 parent efaede7
commit 7ca0116
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
@@ -824,7 +824,8 @@ static void dw_mipi_dsi_bridge_post_disable(struct drm_bridge *bridge)
 	 * This needs to be fixed in the drm_bridge framework and the API
 	 * needs to be updated to manage our own call chains...
 	 */
-	dsi->panel_bridge->funcs->post_disable(dsi->panel_bridge);
+	if (dsi->panel_bridge->funcs->post_disable)
+		dsi->panel_bridge->funcs->post_disable(dsi->panel_bridge);
 
 	if (phy_ops->power_off)
 		phy_ops->power_off(dsi->plat_data->priv_data);