From bc0380b9e5587d0c3fd207f16c53a101a9ea81dd Mon Sep 17 00:00:00 2001 From: Ramalingam C Date: Thu, 1 Aug 2019 17:11:19 +0530 Subject: drm/hdcp: reference for srm file format In the kernel documentation, HDCP specifications links are shared as a reference for SRM table format. v2: Fixed small nits. [Shashank] Signed-off-by: Ramalingam C Reviewed-by: Shashank Sharma Acked-by: Pekka Paalanen Acked-by: Jani Nikula Link: https://patchwork.freedesktop.org/patch/320968/?series=57232&rev=14 --- 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..9191633a3c43 100644 --- a/drivers/gpu/drm/drm_hdcp.c +++ b/drivers/gpu/drm/drm_hdcp.c @@ -271,6 +271,13 @@ exit: * * 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%20Specification%20Rev1_4_Secure.pdf + * 2. Renewability chapter on 63rd page of HDCP 2.2 specification + * https://www.digital-cp.com/sites/default/files/specifications/HDCP%20on%20HDMI%20Specification%20Rev2_2_Final1.pdf + * * Returns: * TRUE on any of the KSV is revoked, else FALSE. */ -- cgit v1.2.3-59-g8ed1b