diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_hdcp.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index 25fee4834588..77650677ba6f 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -1721,6 +1721,7 @@ static int hdcp2_enable_stream_encryption(struct intel_connector *connector) { struct intel_digital_port *dig_port = intel_attached_dig_port(connector); struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct hdcp_port_data *data = &dig_port->hdcp_port_data; struct intel_hdcp *hdcp = &connector->hdcp; enum transcoder cpu_transcoder = hdcp->cpu_transcoder; enum port port = dig_port->base.port; @@ -1730,7 +1731,8 @@ static int hdcp2_enable_stream_encryption(struct intel_connector *connector) LINK_ENCRYPTION_STATUS)) { drm_err(&dev_priv->drm, "[%s:%d] HDCP 2.2 Link is not encrypted\n", connector->base.name, connector->base.base.id); - return -EPERM; + ret = -EPERM; + goto link_recover; } if (hdcp->shim->stream_2_2_encryption) { @@ -1744,6 +1746,15 @@ static int hdcp2_enable_stream_encryption(struct intel_connector *connector) transcoder_name(hdcp->stream_transcoder)); } + return 0; + +link_recover: + if (hdcp2_deauthenticate_port(connector) < 0) + drm_dbg_kms(&dev_priv->drm, "Port deauth failed.\n"); + + dig_port->hdcp_auth_status = false; + data->k = 0; + return ret; } |