Re: [PATCH v2 13/14] drm/msm/hdmi: ensure that HDMI is one if HPD is requested

[Markus Elfring]

…
> +++ b/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
> @@ -117,11 +117,13 @@ static void msm_hdmi_bridge_atomic_pre_enable(struct drm_bridge *bridge,
>
>  	DBG("power up");
>
> +	mutex_lock(&hdmi->state_mutex);
>  	if (!hdmi->power_on) {
…
>  	}
> +	mutex_unlock(&hdmi->state_mutex);
>
>  	if (hdmi->hdmi_mode) {
>  		msm_hdmi_config_avi_infoframe(hdmi);
…

Would you become interested to apply a statement like “guard(mutex)(&hdmi->state_mutex);”?
https://elixir.bootlin.com/linux/v6.10-rc3/source/include/linux/mutex.h#L196

Regards,
Markus