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... 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 --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; }