This is a note to let you know that I've just added the patch titled
drm/bridge: Add missing pm_runtime_disable() in __dw_mipi_dsi_probe
to the 5.17-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-bridge-add-missing-pm_runtime_disable-in-__dw_mi.patch
and it can be found in the queue-5.17 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 51682dac77fc098d27d823523dde0840b20f1a24
Author: Miaoqian Lin <linmq006@xxxxxxxxx>
Date: Wed Jan 5 10:41:09 2022 +0000
drm/bridge: Add missing pm_runtime_disable() in __dw_mipi_dsi_probe
[ Upstream commit 96211b7c56b109a52768e6cc5e23a1f79316eca0 ]
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@xxxxxxxxx>
Signed-off-by: Robert Foss <robert.foss@xxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20220105104113.31415-1-linmq006@xxxxxxxxx
Reviewed-by: Robert Foss <robert.foss@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
index e44e18a0112a..56c3fd08c6a0 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
@@ -1199,6 +1199,7 @@ __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);
}
