Message ID | 1544010283-20223-4-git-send-email-ramalingam.c@intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | HDCP1.4 Fixes - II | expand |
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 38a6e82153fd..9f75ca04a344 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -5579,7 +5579,12 @@ int intel_dp_hdcp_write_an_aksv(struct intel_digital_port *intel_dig_port, } reply = (rxbuf[0] >> 4) & DP_AUX_NATIVE_REPLY_MASK; - return reply == DP_AUX_NATIVE_REPLY_ACK ? 0 : -EIO; + if (reply != DP_AUX_NATIVE_REPLY_ACK) { + DRM_DEBUG_KMS("Aksv write: no DP_AUX_NATIVE_REPLY_ACK %x\n", + reply); + return -EIO; + } + return 0; } static int intel_dp_hdcp_read_bksv(struct intel_digital_port *intel_dig_port,