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From: Anshuman Gupta <anshuman.gupta@intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH 2/2] drm/hdcp: DP HDCP2.2 errata LC_Send_L_Prime=16
Date: Wed, 27 Jan 2021 13:54:37 +0530	[thread overview]
Message-ID: <20210127082437.31339-3-anshuman.gupta@intel.com> (raw)
In-Reply-To: <20210127082437.31339-1-anshuman.gupta@intel.com>

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>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
---
 include/drm/drm_hdcp.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/drm/drm_hdcp.h b/include/drm/drm_hdcp.h
index 2b165a0f434f..0b1111e3228e 100644
--- 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
 
-- 
2.26.2

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  parent reply	other threads:[~2021-01-27  8:39 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-27  8:24 [Intel-gfx] [PATCH 0/2] HDCP 2.2 DP errata Anshuman Gupta
2021-01-27  8:24 ` [Intel-gfx] [PATCH 1/2] drm/i915/hdcp: Add DP HDCP2.2 timeout to read entire msg Anshuman Gupta
2021-03-24  9:35   ` Nautiyal, Ankit K
2021-03-24 10:07     ` Gupta, Anshuman
2021-01-27  8:24 ` Anshuman Gupta [this message]
2021-03-24  4:45   ` [Intel-gfx] [PATCH 2/2] drm/hdcp: DP HDCP2.2 errata LC_Send_L_Prime=16 Nautiyal, Ankit K
2021-03-24  5:05     ` Gupta, Anshuman
2021-03-24  5:05       ` Gupta, Anshuman
2021-01-27 12:15 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for HDCP 2.2 DP errata Patchwork
2021-01-27 12:46 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2021-01-27 14:50 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork

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