[2/5] drm/hdcp: fix DRM_HDCP_2_KSV_COUNT_2_LSBITS
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Message ID 20200212093515.11700-3-ramalingam.c@intel.com
State New
Headers show
Series
  • HDCP misc
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Commit Message

Ramalingam C Feb. 12, 2020, 9:35 a.m. UTC
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(-)

Patch
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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;