[PATCH] drm/i915: Add LSPCON's information in i915_display_info

[Shashank Sharma <shashank.sharma@intel.com>]

Sometimes it gets difficult for an end-user to know presence
of a LSPCON device, as the encoder is enumerated as DP device.
This patch adds a string "LSPCON present: " in the display_info
so that a user can easily know if there is a active LSPCON device
on this encoder.

Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
---
 drivers/gpu/drm/i915/i915_debugfs.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 785b710..4582757 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2970,12 +2970,17 @@ static void intel_dp_info(struct seq_file *m,
 			  struct intel_connector *intel_connector)
 {
 	struct intel_encoder *intel_encoder = intel_connector->encoder;
-	struct intel_dp *intel_dp = enc_to_intel_dp(&intel_encoder->base);
+	struct intel_digital_port *intel_dig_port =
+				enc_to_dig_port(&intel_encoder->base);
+	struct intel_dp *intel_dp = &intel_dig_port->dp;
+	struct intel_lspcon *lspcon = &intel_dig_port->lspcon;
 
 	seq_printf(m, "\tDPCD rev: %x\n", intel_dp->dpcd[DP_DPCD_REV]);
 	seq_printf(m, "\taudio support: %s\n", yesno(intel_dp->has_audio));
 	if (intel_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)
 		intel_panel_info(m, &intel_connector->panel);
+	else
+		seq_printf(m, "\tLSPCON present: %s\n", yesno(lspcon->active));
 
 	drm_dp_downstream_debug(m, intel_dp->dpcd, intel_dp->downstream_ports,
 				&intel_dp->aux);
-- 
2.7.4

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