[Intel-gfx] [PATCH 3/4] drm/i915: debugfs info print "HDCP shim isn't available"

[Anshuman Gupta]

If HDCP shim is not initialized, i915_display_info
connector info returns EINVAL without providing any debug
information. Adding a print for that will be useful for debugging.

CC: Ramalingam C <ramalingam.c at intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta at intel.com>
---
 drivers/gpu/drm/i915/i915_debugfs.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 0ac98e39eb75..6d913a71cbdb 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2405,7 +2405,8 @@ static void intel_dp_info(struct seq_file *m,
 	if (intel_connector->hdcp.shim) {
 		seq_puts(m, "\tHDCP version: ");
 		intel_hdcp_info(m, intel_connector);
-	}
+	} else if (!intel_dp_is_edp(intel_dp))
+		seq_puts(m, "\tHDCP shim isn't available\n");
 }
 
 static void intel_dp_mst_info(struct seq_file *m,
@@ -2432,6 +2433,8 @@ static void intel_hdmi_info(struct seq_file *m,
 	if (intel_connector->hdcp.shim) {
 		seq_puts(m, "\tHDCP version: ");
 		intel_hdcp_info(m, intel_connector);
+	} else {
+		seq_puts(m, "\tHDCP shim isn't available\n");
 	}
 }
 
-- 
2.24.0