drm/bridge: nwl-dsi: Fix PM disable depth imbalance in nwl_dsi_probe

The pm_runtime_enable will increase power disable depth.
Thus a pairing decrement is needed on the error handling
path to keep it balanced according to context.

Fixes: 44cfc623 ("drm/bridge: Add NWL MIPI DSI host controller support")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220105104826.1418-1-linmq006@gmail.comReviewed-by: Robert Foss <robert.foss@linaro.org>

drivers/gpu/drm/bridge/nwl-dsi.c

@@ -1206,6 +1206,7 @@ static int nwl_dsi_probe(struct platform_device *pdev)
 
 	ret = nwl_dsi_select_input(dsi);
 	if (ret < 0) {
+		pm_runtime_disable(dev);
 		mipi_dsi_host_unregister(&dsi->dsi_host);
 		return ret;
 	}