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From: Ramalingam C <ramalingam.c@intel.com>
To: intel-gfx <intel-gfx@lists.freedesktop.org>,
	dri-devel <dri-devel@lists.freedesktop.org>
Subject: [PATCH 2/5] drm/hdcp: fix DRM_HDCP_2_KSV_COUNT_2_LSBITS
Date: Wed, 12 Feb 2020 15:05:12 +0530	[thread overview]
Message-ID: <20200212093515.11700-3-ramalingam.c@intel.com> (raw)
In-Reply-To: <20200212093515.11700-1-ramalingam.c@intel.com>

Need to extract the 2 most significant bits from a byte for constructing
the revoked KSV count of the SRM.

Signed-off-by: Ramalingam C <ramalingam.c@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 d512089b873f..c6bab4986a65 100644
--- a/include/drm/drm_hdcp.h
+++ b/include/drm/drm_hdcp.h
@@ -276,7 +276,7 @@ void drm_hdcp_cpu_to_be24(u8 seq_num[HDCP_2_2_SEQ_NUM_LEN], u32 val)
 #define DRM_HDCP_2_VRL_LENGTH_SIZE		3
 #define DRM_HDCP_2_DCP_SIG_SIZE			384
 #define DRM_HDCP_2_NO_OF_DEV_PLUS_RESERVED_SZ	4
-#define DRM_HDCP_2_KSV_COUNT_2_LSBITS(byte)	(((byte) & 0xC) >> 6)
+#define DRM_HDCP_2_KSV_COUNT_2_LSBITS(byte)	(((byte) & 0xC0) >> 6)
 
 struct hdcp_srm_header {
 	u8 srm_id;
-- 
2.20.1

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dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

WARNING: multiple messages have this Message-ID (diff)
From: Ramalingam C <ramalingam.c@intel.com>
To: intel-gfx <intel-gfx@lists.freedesktop.org>,
	dri-devel <dri-devel@lists.freedesktop.org>
Subject: [Intel-gfx] [PATCH 2/5] drm/hdcp: fix DRM_HDCP_2_KSV_COUNT_2_LSBITS
Date: Wed, 12 Feb 2020 15:05:12 +0530	[thread overview]
Message-ID: <20200212093515.11700-3-ramalingam.c@intel.com> (raw)
In-Reply-To: <20200212093515.11700-1-ramalingam.c@intel.com>

Need to extract the 2 most significant bits from a byte for constructing
the revoked KSV count of the SRM.

Signed-off-by: Ramalingam C <ramalingam.c@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 d512089b873f..c6bab4986a65 100644
--- a/include/drm/drm_hdcp.h
+++ b/include/drm/drm_hdcp.h
@@ -276,7 +276,7 @@ void drm_hdcp_cpu_to_be24(u8 seq_num[HDCP_2_2_SEQ_NUM_LEN], u32 val)
 #define DRM_HDCP_2_VRL_LENGTH_SIZE		3
 #define DRM_HDCP_2_DCP_SIG_SIZE			384
 #define DRM_HDCP_2_NO_OF_DEV_PLUS_RESERVED_SZ	4
-#define DRM_HDCP_2_KSV_COUNT_2_LSBITS(byte)	(((byte) & 0xC) >> 6)
+#define DRM_HDCP_2_KSV_COUNT_2_LSBITS(byte)	(((byte) & 0xC0) >> 6)
 
 struct hdcp_srm_header {
 	u8 srm_id;
-- 
2.20.1

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

  parent reply	other threads:[~2020-02-12  9:35 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-12  9:35 [PATCH 0/5] HDCP misc Ramalingam C
2020-02-12  9:35 ` [Intel-gfx] " Ramalingam C
2020-02-12  9:35 ` [PATCH 1/5] drm/hdcp: optimizing the srm handling Ramalingam C
2020-02-12  9:35   ` [Intel-gfx] " Ramalingam C
2020-02-12  9:35 ` Ramalingam C [this message]
2020-02-12  9:35   ` [Intel-gfx] [PATCH 2/5] drm/hdcp: fix DRM_HDCP_2_KSV_COUNT_2_LSBITS Ramalingam C
2020-02-12  9:35 ` [PATCH 3/5] drm/i915: terminate reauth at stream management failure Ramalingam C
2020-02-12  9:35   ` [Intel-gfx] " Ramalingam C
2020-02-12  9:35 ` [PATCH 4/5] drm/i915: dont retry stream management at seq_num_m roll over Ramalingam C
2020-02-12  9:35   ` [Intel-gfx] " Ramalingam C
2020-02-12  9:35 ` [PATCH 5/5] drm/i915/hdcp: conversion to struct drm_device based logging macros Ramalingam C
2020-02-12  9:35   ` [Intel-gfx] " Ramalingam C
2020-02-12 10:01   ` Jani Nikula
2020-02-12 10:01     ` [Intel-gfx] " Jani Nikula
2020-02-12 10:25     ` Ramalingam C
2020-02-12 10:25       ` [Intel-gfx] " Ramalingam C

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