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

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[ Upstream commit b146e343a9 ]

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: 44cfc62334 ("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>
This commit is contained in:
Miaoqian Lin 2022-01-05 10:48:26 +00:00 • committed by Greg Kroah-Hartman
commit d9d61beb21
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/bridge/nwl-dsi.c
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@ -1188,6 +1188,7 @@ 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;
}