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drm/hdcp: fix DRM_HDCP_2_KSV_COUNT_2_LSBITS
author
Ramalingam C
<ramalingam.c@intel.com>
Wed, 12 Feb 2020 10:29:39 +0000
(15:59 +0530)
committer
Ramalingam C
<ramalingam.c@intel.com>
Wed, 4 Mar 2020 01:05:07 +0000
(06:35 +0530)
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>
Reviewed-by: Anshuman Gupta <anshuman.gupta@intel.com>
Link:
https://patchwork.freedesktop.org/patch/msgid/20200212102942.26568-3-ramalingam.c@intel.com
include/drm/drm_hdcp.h
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diff --git
a/include/drm/drm_hdcp.h
b/include/drm/drm_hdcp.h
index
d512089
..
c6bab49
100644
(file)
--- 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) & 0xC
0
) >> 6)
struct hdcp_srm_header {
u8 srm_id;