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@xxxxxxxxx>
---
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
--
2.7.4
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