[PATCH] drm/i915: add port info to debugfs

[Imre Deak]

On Wed, Aug 21, 2019 at 05:15:54PM +0300, Simon Ser wrote:
> This patch adds a line with the port name to connectors in
> debugfs/i916_display_info. A hint is printed if the port is type-C.
> 
> Signed-off-by: Simon Ser <simon.ser at intel.com>
> Cc: Imre Deak <imre.deak at intel.com>
> ---
>  drivers/gpu/drm/i915/i915_debugfs.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index b39226d7f8d2..718a337c8f0a 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -2557,9 +2557,11 @@ static void intel_lvds_info(struct seq_file *m,
>  static void intel_connector_info(struct seq_file *m,
>  				 struct drm_connector *connector)
>  {
> +	struct drm_i915_private *i915 = to_i915(connector->dev);
>  	struct intel_connector *intel_connector = to_intel_connector(connector);
>  	struct intel_encoder *intel_encoder = intel_connector->encoder;
>  	struct drm_display_mode *mode;
> +	enum tc_port tc_port;
> 
>  	seq_printf(m, "connector %d: type %s, status: %s\n",
>  		   connector->base.id, connector->name,
> @@ -2578,6 +2580,13 @@ static void intel_connector_info(struct seq_file *m,
>  	if (!intel_encoder)
>  		return;
> 
> +	if (intel_encoder->port != PORT_NONE) {
> +		tc_port = intel_port_to_tc(i915, intel_encoder->port);
> +		seq_printf(m, "\tport: %c%s\n",
> +			   port_name(intel_encoder->port),
> +			   tc_port != PORT_TC_NONE ? " (type-C)" : "");

for Type-C ports could you also print the type-C port index like

	port: C/TC#1

? See intel_tc_port_init().


> +	}
> +
>  	switch (connector->connector_type) {
>  	case DRM_MODE_CONNECTOR_DisplayPort:
>  	case DRM_MODE_CONNECTOR_eDP:
> --
> 2.22.1
>