[PATCH v6 13/18] drm/hdcp: Max MST content streams
Anshuman Gupta
anshuman.gupta at intel.com
Thu Nov 26 07:37:17 UTC 2020
Let's define Maximum MST content streams up to four
generically which can be supported by modern display
controllers.
Cc: Sean Paul <seanpaul at chromium.org>
Cc: Ramalingam C <ramalingam.c at intel.com>
Acked-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Reviewed-by: Uma Shankar <uma.shankar at intel.com>
Reviewed-by: Ramalingam C <ramalingam.c at intel.com>
Tested-by: Karthik B S <karthik.b.s at intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta at intel.com>
---
include/drm/drm_hdcp.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/include/drm/drm_hdcp.h b/include/drm/drm_hdcp.h
index fe58dbb46962..ac22c246542a 100644
--- a/include/drm/drm_hdcp.h
+++ b/include/drm/drm_hdcp.h
@@ -101,11 +101,11 @@
/* Following Macros take a byte at a time for bit(s) masking */
/*
- * TODO: This has to be changed for DP MST, as multiple stream on
- * same port is possible.
- * For HDCP2.2 on HDMI and DP SST this value is always 1.
+ * TODO: HDCP_2_2_MAX_CONTENT_STREAMS_CNT is based upon actual
+ * H/W MST streams capacity.
+ * This required to be moved out to platform specific header.
*/
-#define HDCP_2_2_MAX_CONTENT_STREAMS_CNT 1
+#define HDCP_2_2_MAX_CONTENT_STREAMS_CNT 4
#define HDCP_2_2_TXCAP_MASK_LEN 2
#define HDCP_2_2_RXCAPS_LEN 3
#define HDCP_2_2_RX_REPEATER(x) ((x) & BIT(0))
--
2.26.2
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