On Wed, 26 Aug 2020 10:15:24 +0200
Enric Balletbo i Serra <enric.balle...@collabora.com> wrote:

> Bridge drivers that implement the new model only shall return an error
> from their attach() handler when the DRM_BRIDGE_ATTACH_NO_CONNECTOR
> flag is not set. So make sure we return an error because only the new
> drm_bridge model is supported.
> 
> Reviewed-by: Sam Ravnborg <s...@ravnborg.org>
> Signed-off-by: Enric Balletbo i Serra <enric.balle...@collabora.com>
> ---
> 
> Changes in v2: None
> 
>  drivers/gpu/drm/bridge/parade-ps8640.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/gpu/drm/bridge/parade-ps8640.c
> b/drivers/gpu/drm/bridge/parade-ps8640.c index
> 13755d278db6..ce3e8b2da8c9 100644 ---
> a/drivers/gpu/drm/bridge/parade-ps8640.c +++
> b/drivers/gpu/drm/bridge/parade-ps8640.c @@ -200,6 +200,10 @@ static
> int ps8640_bridge_attach(struct drm_bridge *bridge, .channel = 0,
>                                                  .node = NULL,
>                                                };
> +
> +     if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR))
> +             return -EINVAL;
> +
>       /* port@0 is ps8640 dsi input port */
>       in_ep = of_graph_get_endpoint_by_regs(dev->of_node, 0, -1);
>       if (!in_ep)

Reviewed-by: Bilal Wasim <bwasim.l...@gmail.com>
Tested-by: Bilal Wasim <bwasim.l...@gmail.com>

-Bilal
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