[PATCH v11 05/21] drm/bridge: synopsys: dw-dp: Add missing mutex cleanups on module removal

[Andy Yan]

Hello Sebastian,

At 2026-08-07 01:02:11, "Sebastian Reichel" <sebastian.reichel at collabora.com> wrote:
>The driver is currently missing to fully clean up after itself. Ensure
>that the mutex is cleaned up.
>
>Fixes: 86eecc3a9c2e ("drm/bridge: synopsys: Add DW DPTX Controller support library")
>Reported-by: Sashiko <sashiko-bot at kernel.org>
>Signed-off-by: Sebastian Reichel <sebastian.reichel at collabora.com>

   Reviewed-by: Andy Yan <andy.yan at rock-chips.com>
>---
> drivers/gpu/drm/bridge/synopsys/dw-dp.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
>diff --git a/drivers/gpu/drm/bridge/synopsys/dw-dp.c b/drivers/gpu/drm/bridge/synopsys/dw-dp.c
>index 52e3b37259a6..b1856418f441 100644
>--- a/drivers/gpu/drm/bridge/synopsys/dw-dp.c
>+++ b/drivers/gpu/drm/bridge/synopsys/dw-dp.c
>@@ -2040,10 +2040,13 @@ struct dw_dp *dw_dp_probe(struct platform_device *pdev, const struct dw_dp_plat_
> 	dp->pixel_mode = plat_data->pixel_mode;
> 	dp->plat_data.max_link_rate = plat_data->max_link_rate;
> 
>-	mutex_init(&dp->irq_lock);
> 	INIT_WORK(&dp->hpd_work, dw_dp_hpd_work);
> 	init_completion(&dp->complete);
> 
>+	ret = devm_mutex_init(dev, &dp->irq_lock);
>+	if (ret)
>+		return ERR_PTR(ret);
>+
> 	res = devm_platform_ioremap_resource(pdev, 0);
> 	if (IS_ERR(res))
> 		return ERR_CAST(res);
>
>-- 
>2.53.0
>
>
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