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

[Jani Nikula]

On Thu, 22 Aug 2019, Simon Ser <simon.ser at intel.com> 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 <nabasi.d.navare at intel.com>
> ---
>
> Thanks for your comments, Imre and Manasi. Here is v2:
>
> - Use same port formatting as intel_tc_port_init (e.g. "C/TC#1")
> - Fix typo in commit message

Usually in drm we put the patch changelog as part of the commit message.

Please resend the patch to intel-gfx@, and you'll get our CI results
too.

BR,
Jani.



>
>  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
>
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-- 
Jani Nikula, Intel Open Source Graphics Center