linux-kernel - Re: [PATCH v2 2/7] drm/bridge_connector: Set default status connected for eDP connectors

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Date:   Thu, 16 Apr 2020 20:22:43 +0300
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Enric Balletbo i Serra <enric.balletbo@...labora.com>
Cc:     linux-kernel@...r.kernel.org,
        Collabora Kernel ML <kernel@...labora.com>,
        matthias.bgg@...il.com, drinkcat@...omium.org, hsinyi@...omium.org,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH v2 2/7] drm/bridge_connector: Set default status
 connected for eDP connectors

Hi Enric,

Thank you for the patch.

On Thu, Apr 16, 2020 at 05:57:14PM +0200, Enric Balletbo i Serra wrote:
> In an eDP application, HPD is not required and on most bridge chips
> useless. If HPD is not used, we need to set initial status as connected,
> otherwise the connector created by the drm_bridge_connector API remains
> in an unknown state.
> 
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

> ---
> 
> Changes in v2: None
> 
>  drivers/gpu/drm/drm_bridge_connector.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/drm_bridge_connector.c b/drivers/gpu/drm/drm_bridge_connector.c
> index c6994fe673f3..a58cbde59c34 100644
> --- a/drivers/gpu/drm/drm_bridge_connector.c
> +++ b/drivers/gpu/drm/drm_bridge_connector.c
> @@ -187,6 +187,7 @@ drm_bridge_connector_detect(struct drm_connector *connector, bool force)
>  		case DRM_MODE_CONNECTOR_DPI:
>  		case DRM_MODE_CONNECTOR_LVDS:
>  		case DRM_MODE_CONNECTOR_DSI:
> +		case DRM_MODE_CONNECTOR_eDP:
>  			status = connector_status_connected;
>  			break;
>  		default:

-- 
Regards,

Laurent Pinchart