On 2020-02-12 at 15:59:39 +0530, Ramalingam C wrote:
> 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 <ramalinga...@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)
LGTM, verified wrt Table 5.1 HDCP HDMI specs page 64.
Reviewed-by: Anshuman Gupta <anshuman.gu...@intel.com>
>
> struct hdcp_srm_header {
> u8 srm_id;
> --
> 2.20.1
>
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