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Message-ID: <20200416172243.GL4796@pendragon.ideasonboard.com>
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
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