[Intel-gfx] [PATCH] drm/i915: do not warn late about hdmi on port A

[Matt Roper]

On Fri, Nov 08, 2019 at 01:42:51PM -0800, Lucas De Marchi wrote:
> The warning should be just a warning. Where it is currently is wrong
> since we already registered the connector on drm, meaning it dies later
> on a NULL pointer deref if the VBT-overriding we have is removed. Move
> the warning up.
> 
> Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>

Reviewed-by: Matt Roper <matthew.d.roper at intel.com>

> ---
>  drivers/gpu/drm/i915/display/intel_hdmi.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
> index e084c2f75379..ed4a68fb351f 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
> @@ -3140,6 +3140,9 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
>  	DRM_DEBUG_KMS("Adding HDMI connector on [ENCODER:%d:%s]\n",
>  		      intel_encoder->base.base.id, intel_encoder->base.name);
>  
> +	if (WARN_ON(port == PORT_A))
> +		return;
> +
>  	if (WARN(intel_dig_port->max_lanes < 4,
>  		 "Not enough lanes (%d) for HDMI on [ENCODER:%d:%s]\n",
>  		 intel_dig_port->max_lanes, intel_encoder->base.base.id,
> @@ -3159,8 +3162,6 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
>  
>  	intel_hdmi->ddc_bus = intel_hdmi_ddc_pin(dev_priv, port);
>  
> -	if (WARN_ON(port == PORT_A))
> -		return;
>  	intel_encoder->hpd_pin = intel_hpd_pin_default(dev_priv, port);
>  
>  	if (HAS_DDI(dev_priv))
> -- 
> 2.24.0
> 
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-- 
Matt Roper
Graphics Software Engineer
VTT-OSGC Platform Enablement
Intel Corporation
(916) 356-2795