diff options
author | Anshuman Gupta <anshuman.gupta@intel.com> | 2021-01-11 09:11:14 +0100 |
---|---|---|
committer | Anshuman Gupta <anshuman.gupta@intel.com> | 2021-01-13 03:59:32 +0100 |
commit | 90103622c30b13d97a1f5ae7d03cdd0fd79951c3 (patch) | |
tree | 515e7af251f4d0a6e408b402edac812dbb75cb25 /include/drm/drm_hdcp.h | |
parent | misc/mei/hdcp: Fix AUTH_STREAM_REQ cmd buffer len (diff) | |
download | linux-90103622c30b13d97a1f5ae7d03cdd0fd79951c3.tar.xz linux-90103622c30b13d97a1f5ae7d03cdd0fd79951c3.zip |
drm/hdcp: Max MST content streams
Let's define Maximum MST content streams up to four
generically which can be supported by modern display
controllers.
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Ramalingam C <ramalingam.c@intel.com>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Reviewed-by: Ramalingam C <ramalingam.c@intel.com>
Tested-by: Karthik B S <karthik.b.s@intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210111081120.28417-14-anshuman.gupta@intel.com
Diffstat (limited to 'include/drm/drm_hdcp.h')
-rw-r--r-- | include/drm/drm_hdcp.h | 8 |
1 files 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)) |