Re: [PATCH 2/4] drm/bridge: Add a driver for the Parade PS195

[Krzysztof Kozlowski <krzk@kernel.org>]

On 12/11/2026 11:15, Nabige Aala wrote:
> +	ret = devm_add_action_or_reset(dev, ps195_power_off_action, ps195);
> +	if (ret)
> +		return ret;
> +
> +	/*
> +	 * Firmware drives DP HPD and services AUX, including EDID reads,
> +	 * before a modeset. Keep the bridge powered while the system is
> +	 * awake, including when no monitor is connected.
> +	 */
> +	ret = ps195_power_on(ps195);

First you power on, then you add reset action.

> +	if (ret)
> +		return ret;
> +
> +	ps195->bridge.of_node = dev->of_node;
> +	ps195->bridge.type = DRM_MODE_CONNECTOR_HDMIA;
> +
> +	return devm_drm_bridge_add(dev, &ps195->bridge);
> +}



Best regards,
Krzysztof