[Intel-gfx] [PATCH v2] drm/i915: add port info to debugfs

[Imre Deak]

On Fri, Aug 23, 2019 at 12:49:46PM +0300, Simon Ser wrote:
> This patch adds a line with the port name to connectors in
> debugfs/i915_debug_info. If the port is Type-C, the Type-C port number is
> printed too.
> 
> Signed-off-by: Simon Ser <simon.ser at intel.com>
> Cc: Imre Deak <imre.deak at intel.com>
> Cc: Manasi Navare <nanasi.d.navare at intel.com>
> Reviewed-by: Imre Deak <imre.deak at intel.com>
> ---
> 
> Resending v2 to the correct mailing list.

Test results were dropped somewhere, there is one failure
https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_14164/fi-icl-u2/igt@kms_chamelium@dp-edid-read.html

but it looks to be the unrelated
https://bugs.freedesktop.org/show_bug.cgi?id=111474

I asked Lakshmi to update the cibug filter for the bug.

> 
>  drivers/gpu/drm/i915/i915_debugfs.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index b39226d7f8d2..4ba508c954f8 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 +2580,14 @@ static void intel_connector_info(struct seq_file *m,
>  	if (!intel_encoder)
>  		return;
> 
> +	if (intel_encoder->port != PORT_NONE) {
> +		seq_printf(m, "\tport: %c", port_name(intel_encoder->port));
> +		tc_port = intel_port_to_tc(i915, intel_encoder->port);
> +		if (tc_port != PORT_TC_NONE)
> +			seq_printf(m, "/TC#%d", tc_port + 1);
> +		seq_printf(m, "\n");
> +	}
> +
>  	switch (connector->connector_type) {
>  	case DRM_MODE_CONNECTOR_DisplayPort:
>  	case DRM_MODE_CONNECTOR_eDP:
> --
> 2.22.1
>