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* [Intel-gfx] [RFC] drm/hdcp: Max MST content streams
@ 2020-10-19  7:12 Anshuman Gupta
  2020-10-19  8:14 ` [Intel-gfx] ✓ Fi.CI.BAT: success for " Patchwork
                   ` (2 more replies)
  0 siblings, 3 replies; 6+ messages in thread
From: Anshuman Gupta @ 2020-10-19  7:12 UTC (permalink / raw)
  To: dri-devel, intel-gfx; +Cc: Sean Paul

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>
Signed-off-by: Anshuman Gupta <anshuman.gupta@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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^ permalink raw reply related	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2020-10-20 10:17 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2020-10-19  7:12 [Intel-gfx] [RFC] drm/hdcp: Max MST content streams Anshuman Gupta
2020-10-19  8:14 ` [Intel-gfx] ✓ Fi.CI.BAT: success for " Patchwork
2020-10-19  9:45 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork
2020-10-20  9:42 ` [Intel-gfx] [RFC] " Jani Nikula
2020-10-20  9:47   ` Maarten Lankhorst
2020-10-20 10:17     ` Jani Nikula

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