Generic HDCP enable disable and late_init implemented. When new HDCP version support is added to general stack corresponding enable, disable and late_init will be invoked from these implementation.
Signed-off-by: Ramalingam C ramalingam.c@intel.com --- drivers/gpu/drm/drm_hdcp.c | 51 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+)
diff --git a/drivers/gpu/drm/drm_hdcp.c b/drivers/gpu/drm/drm_hdcp.c index 481bc24..ab80370 100644 --- a/drivers/gpu/drm/drm_hdcp.c +++ b/drivers/gpu/drm/drm_hdcp.c @@ -30,6 +30,57 @@ #include <drm/drm_hdcp.h> #include <drm/drm_dp_helper.h>
+int drm_hdcp_enable(struct drm_connector *connector, uint8_t stream_type) +{ + struct drm_hdcp *hdcp = connector->hdcp; + int ret = -EINVAL; + + if (!hdcp) + return ret; + + if (connector->status != connector_status_connected) { + DRM_ERROR("Panel is not connected\n"); + return ret; + } + + /* + * TODO: Invoke the Version specific hdcp_enable + */ + + return 0; +} + +int drm_hdcp_disable(struct drm_connector *connector) +{ + struct drm_hdcp *hdcp = connector->hdcp; + + /* Skip if HDCP is not enabled or HDCP enable is not in progress */ + if (!(connector->hdcp_state & DRM_HDCP_ENABLE || + (hdcp->req_state & DRM_HDCP_ENABLE && + connector->hdcp_state & DRM_HDCP_WIP))) { + DRM_ERROR("HDCP is not enabled\n"); + return 0; + } + + /* + * TODO: Invoke the Version specific hdcp_disable + */ + + return 0; +} + +void drm_hdcp_late_init(struct drm_connector *connector) +{ + struct drm_hdcp *hdcp = connector->hdcp; + + if (hdcp->hdcp_funcs->late_init) + hdcp->hdcp_funcs->late_init(hdcp); + + /* + * TODO: Invoke the Version specific late_init + */ +} + /** * @drm_hdcp_init: * Initialization of the HDCP stack of the DRM