Re: [PATCH v3 3/9] drm: bridge: analogix: Destroy connector when unbinding

Andrzej Hajda
2017-04-06T07:20:07Z

On 05.04.2017 10:29, Jeffy Chen wrote:
> Normally we do this in drm_mode_config_cleanup. But analogix dp's
> connector is allocated in bind, and freed after unbind. So we need
> to destroy it in unbind to avoid further access.
>
> Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>

Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>

One comment below

> ---
>
> Changes in v3: None
> Changes in v2: None
>
> drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> index 7b75f82..a96fd55 100644
> --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> @@ -1439,6 +1439,7 @@ void analogix_dp_unbind(struct device *dev, struct device *master,
> struct analogix_dp_device *dp = dev_get_drvdata(dev);
>
> analogix_dp_bridge_disable(dp->bridge);

Not related to the patch, but what about bridge, above it is only
disabled, but not detached, encoder cleanup code should do it but it is
also missing.

Regards
Andrzej

> + dp->connector.funcs->destroy(&dp->connector);
>
> if (dp->plat_data->panel) {
> if (drm_panel_unprepare(dp->plat_data->panel))