Adding few more debug logs to identify the sink specific HDCP failures
along with a out of mem.
Signed-off-by: Ramalingam C <ramalingam.c@xxxxxxxxx>
cc: Daniel Vetter <daniel@xxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_hdcp.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c
index bc3a94d491c4..a78139f9e847 100644
--- a/drivers/gpu/drm/i915/display/intel_hdcp.c
+++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
@@ -523,12 +523,16 @@ int intel_hdcp_auth_downstream(struct intel_connector *connector)
* authentication.
*/
num_downstream = DRM_HDCP_NUM_DOWNSTREAM(bstatus[0]);
- if (num_downstream == 0)
+ if (num_downstream == 0) {
+ DRM_DEBUG_KMS("Repeater with zero downstream devices\n");
return -EINVAL;
+ }
ksv_fifo = kcalloc(DRM_HDCP_KSV_LEN, num_downstream, GFP_KERNEL);
- if (!ksv_fifo)
+ if (!ksv_fifo) {
+ DRM_DEBUG_KMS("Out of mem: ksv_fifo\n");
return -ENOMEM;
+ }
ret = shim->read_ksv_fifo(intel_dig_port, num_downstream, ksv_fifo);
if (ret)
@@ -1206,8 +1210,10 @@ static int hdcp2_authentication_key_exchange(struct intel_connector *connector)
if (ret < 0)
return ret;
- if (msgs.send_cert.rx_caps[0] != HDCP_2_2_RX_CAPS_VERSION_VAL)
+ if (msgs.send_cert.rx_caps[0] != HDCP_2_2_RX_CAPS_VERSION_VAL) {
+ DRM_DEBUG_KMS("cert.rx_caps dont claim HDCP2.2\n");
return -EINVAL;
+ }
hdcp->is_repeater = HDCP_2_2_RX_REPEATER(msgs.send_cert.rx_caps[2]);
--
2.19.1
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