[PATCH v9 13/39] drm: HDCP2.2 link check related constants

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Enums and macros are defined for HDCP2.2 link check.

Signed-off-by: Ramalingam C <ramalingam.c@xxxxxxxxx>
---
 include/drm/drm_hdcp.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/drm/drm_hdcp.h b/include/drm/drm_hdcp.h
index d8093ecf3ddc..21a128e7020a 100644
--- a/include/drm/drm_hdcp.h
+++ b/include/drm/drm_hdcp.h
@@ -11,6 +11,14 @@
 
 /* Period of hdcp checks (to ensure we're still authenticated) */
 #define DRM_HDCP_CHECK_PERIOD_MS		(128 * 16)
+#define DRM_HDCP2_CHECK_PERIOD_MS		500
+
+enum check_link_response {
+	DRM_HDCP_LINK_PROTECTED	= 0,
+	DRM_HDCP_TOPOLOGY_CHANGE,
+	DRM_HDCP_LINK_INTEGRITY_FAILURE,
+	DRM_HDCP_REAUTH_REQUEST
+};
 
 /* Shared lengths/masks between HDMI/DVI/DisplayPort */
 #define DRM_HDCP_AN_LEN				8
-- 
2.7.4

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