diff mbox series

[5.16,0403/1017] drm/bridge: nwl-dsi: Fix PM disable depth imbalance in nwl_dsi_probe

Message ID 20220405070406.249577530@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman April 5, 2022, 7:21 a.m. UTC 
From: Miaoqian Lin <linmq006@gmail.com>

[ Upstream commit b146e343a9e05605b491b1bf4a2b62a39d5638d8 ]

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: 44cfc6233447 ("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.com
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/bridge/nwl-dsi.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/bridge/nwl-dsi.c b/drivers/gpu/drm/bridge/nwl-dsi.c
index af07eeb47ca0..6e484d836cfe 100644
--- a/drivers/gpu/drm/bridge/nwl-dsi.c
+++ b/drivers/gpu/drm/bridge/nwl-dsi.c
@@ -1204,6 +1204,7 @@  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;
 	}