Re: [PATCH v3 17/21] drm/bridge: megachips: make connector creation optional

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Hi Sam,

Thank you for the patch.

On Fri, Jul 03, 2020 at 09:24:13PM +0200, Sam Ravnborg wrote:
> Make the connector creation optional to enable usage of the
> megachips-stdpxxxx-ge-b850v3-fw bridge with the DRM bridge connector helper.
> 
> Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
> Cc: Peter Senna Tschudin <peter.senna@xxxxxxxxx>
> Cc: Martin Donnelly <martin.donnelly@xxxxxx>
> Cc: Martyn Welch <martyn.welch@xxxxxxxxxxxxxxx>
> Cc: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
> Cc: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
> Cc: Laurent Pinchart <Laurent.pinchart@xxxxxxxxxxxxxxxx>
> Cc: Jonas Karlman <jonas@xxxxxxxxx>
> Cc: Jernej Skrabec <jernej.skrabec@xxxxxxxx>

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

> ---
>  .../drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c  | 15 ++++-----------
>  1 file changed, 4 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
> index 5f06e18f0a61..991417ab35b6 100644
> --- a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
> +++ b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
> @@ -251,16 +251,6 @@ static int ge_b850v3_lvds_attach(struct drm_bridge *bridge,
>  {
>  	struct i2c_client *stdp4028_i2c
>  			= ge_b850v3_lvds_ptr->stdp4028_i2c;
> -	int ret;
> -
> -	if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR) {
> -		DRM_ERROR("Fix bridge driver to make connector optional!");
> -		return -EINVAL;
> -	}
> -
> -	ret = ge_b850v3_lvds_create_connector(bridge);
> -	if (ret)
> -		return ret;
>  
>  	/* Configures the bridge to re-enable interrupts after each ack. */
>  	i2c_smbus_write_word_data(stdp4028_i2c,
> @@ -272,7 +262,10 @@ static int ge_b850v3_lvds_attach(struct drm_bridge *bridge,
>  				  STDP4028_DPTX_IRQ_EN_REG,
>  				  STDP4028_DPTX_IRQ_CONFIG);
>  
> -	return 0;
> +	if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)
> +		return 0;
> +
> +	return ge_b850v3_lvds_create_connector(bridge);
>  }
>  
>  static const struct drm_bridge_funcs ge_b850v3_lvds_funcs = {

-- 
Regards,

Laurent Pinchart
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