drm/bridge: Add missing pm_runtime_disable() in __dw_mipi_dsi_probe

If the probe fails, we should use pm_runtime_disable() to balance
pm_runtime_enable().
Add missing pm_runtime_disable() for __dw_mipi_dsi_probe.

Fixes: 46fc51546d44 ("drm/bridge/synopsys: Add MIPI DSI host controller bridge")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220105104113.31415-1-linmq006@gmail.com
Reviewed-by: Robert Foss <robert.foss@linaro.org>

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
index 3f65647..2a58b0b 100644 (file)
--- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
@@ -1202,6 +1202,7 @@ __dw_mipi_dsi_probe(struct platform_device *pdev,
        ret = mipi_dsi_host_register(&dsi->dsi_host);
        if (ret) {
                dev_err(dev, "Failed to register MIPI host: %d\n", ret);
+               pm_runtime_disable(dev);
                dw_mipi_dsi_debugfs_remove(dsi);
                return ERR_PTR(ret);
        }