[Intel-gfx] [PATCH v6 15/16] drm/i915: Print HDCP version info for all connectors

[Sean Paul <sean@poorly.run>]

From: Sean Paul <seanpaul@chromium.org>

De-duplicate the HDCP version code for each connector and print it for
all connectors.

Cc: Juston Li <juston.li@intel.com>
Cc: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Juston Li <juston.li@intel.com>
Reviewed-by: Ramalingam C <ramalingam.c@intel.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>

Link: https://patchwork.freedesktop.org/patch/msgid/20200227185714.171466-1-sean@poorly.run #v4
Link: https://patchwork.freedesktop.org/patch/msgid/20200305201236.152307-16-sean@poorly.run #v5

Changes in v4:
- Added to the set
Changes in v5:
-Print "No connector support" for hdcp sink capability as well (Ram)
Changes in v6:
-None
---
 .../drm/i915/display/intel_display_debugfs.c  | 21 ++++++++-----------
 1 file changed, 9 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index 70525623bcdf..03c3208e4eb9 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -598,6 +598,11 @@ static void intel_hdcp_info(struct seq_file *m,
 {
 	bool hdcp_cap, hdcp2_cap;
 
+	if (!intel_connector->hdcp.shim) {
+		seq_puts(m, "No Connector Support");
+		goto out;
+	}
+
 	hdcp_cap = intel_hdcp_capable(intel_connector);
 	hdcp2_cap = intel_hdcp2_capable(intel_connector);
 
@@ -609,6 +614,7 @@ static void intel_hdcp_info(struct seq_file *m,
 	if (!hdcp_cap && !hdcp2_cap)
 		seq_puts(m, "None");
 
+out:
 	seq_puts(m, "\n");
 }
 
@@ -625,10 +631,6 @@ static void intel_dp_info(struct seq_file *m,
 
 	drm_dp_downstream_debug(m, intel_dp->dpcd, intel_dp->downstream_ports,
 				&intel_dp->aux);
-	if (intel_connector->hdcp.shim) {
-		seq_puts(m, "\tHDCP version: ");
-		intel_hdcp_info(m, intel_connector);
-	}
 }
 
 static void intel_dp_mst_info(struct seq_file *m,
@@ -646,10 +648,6 @@ static void intel_hdmi_info(struct seq_file *m,
 	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(intel_encoder);
 
 	seq_printf(m, "\taudio support: %s\n", yesno(intel_hdmi->has_audio));
-	if (intel_connector->hdcp.shim) {
-		seq_puts(m, "\tHDCP version: ");
-		intel_hdcp_info(m, intel_connector);
-	}
 }
 
 static void intel_lvds_info(struct seq_file *m,
@@ -705,6 +703,9 @@ static void intel_connector_info(struct seq_file *m,
 		break;
 	}
 
+	seq_puts(m, "\tHDCP version: ");
+	intel_hdcp_info(m, intel_connector);
+
 	seq_printf(m, "\tmodes:\n");
 	list_for_each_entry(mode, &connector->modes, head)
 		intel_seq_print_mode(m, 2, mode);
@@ -2026,10 +2027,6 @@ static int i915_hdcp_sink_capability_show(struct seq_file *m, void *data)
 	if (connector->status != connector_status_connected)
 		return -ENODEV;
 
-	/* HDCP is supported by connector */
-	if (!intel_connector->hdcp.shim)
-		return -EINVAL;
-
 	seq_printf(m, "%s:%d HDCP version: ", connector->name,
 		   connector->base.id);
 	intel_hdcp_info(m, intel_connector);
-- 
Sean Paul, Software Engineer, Google / Chromium OS

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