In the kernel documentation, HDCP specifications links are shared as a reference for SRM table format.
Signed-off-by: Ramalingam C ramalingam.c@intel.com --- drivers/gpu/drm/drm_hdcp.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/drm_hdcp.c b/drivers/gpu/drm/drm_hdcp.c index 77433ee3d652..803bf8283b83 100644 --- a/drivers/gpu/drm/drm_hdcp.c +++ b/drivers/gpu/drm/drm_hdcp.c @@ -271,6 +271,13 @@ static void drm_hdcp_request_srm(struct drm_device *drm_dev) * * SRM should be presented in the name of "display_hdcp_srm.bin". * + * Format of the SRM table that userspace needs to write into the binary file + * is defined at + * 1. Renewability chapter on 55th page of HDCP 1.4 specification + * https://www.digital-cp.com/sites/default/files/specifications/HDCP%20Specifi... + * 2. Renewability chapter on 63rd page of HDCP 2.2 specification + * https://www.digital-cp.com/sites/default/files/specifications/HDCP%20on%20HD... + * * Returns: * TRUE on any of the KSV is revoked, else FALSE. */