drm/hdcp: DP HDCP2.2 errata LC_Send_L_Prime=16

Fix LC_Send_L_Prime message timeout to 16 as documented
in DP HDCP 2.2 errata page 3.

https://www.digital-cp.com/sites/default/files/HDCP%202_2_DisplayPort_Errata_v3_0.pdf

Cc: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210324113012.7564-3-anshuman.gupta@intel.com

diff --git a/include/drm/drm_hdcp.h b/include/drm/drm_hdcp.h
index 2b165a0..0b1111e 100644 (file)
--- a/include/drm/drm_hdcp.h
+++ b/include/drm/drm_hdcp.h
@@ -231,7 +231,7 @@ struct hdcp2_rep_stream_ready {
 #define HDCP_2_2_PAIRING_TIMEOUT_MS            200
 #define HDCP_2_2_DP_PAIRING_READ_TIMEOUT_MS    5
 #define        HDCP_2_2_HDMI_LPRIME_TIMEOUT_MS         20
-#define HDCP_2_2_DP_LPRIME_TIMEOUT_MS          7
+#define HDCP_2_2_DP_LPRIME_TIMEOUT_MS          16
 #define HDCP_2_2_RECVID_LIST_TIMEOUT_MS                3000
 #define HDCP_2_2_STREAM_READY_TIMEOUT_MS       100