On Thu, Dec 13, 2018 at 09:31:15AM +0530, Ramalingam C wrote:
> Enums and macros are defined for HDCP2.2 link check.
>
> Signed-off-by: Ramalingam C <ramalingam.c@xxxxxxxxx>
> ---
> include/drm/drm_hdcp.h | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/include/drm/drm_hdcp.h b/include/drm/drm_hdcp.h
> index d8093ecf3ddc..21a128e7020a 100644
> --- a/include/drm/drm_hdcp.h
> +++ b/include/drm/drm_hdcp.h
> @@ -11,6 +11,14 @@
>
> /* Period of hdcp checks (to ensure we're still authenticated) */
> #define DRM_HDCP_CHECK_PERIOD_MS (128 * 16)
> +#define DRM_HDCP2_CHECK_PERIOD_MS 500
This one here is good imo, and has my Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
> +
> +enum check_link_response {
> + DRM_HDCP_LINK_PROTECTED = 0,
> + DRM_HDCP_TOPOLOGY_CHANGE,
> + DRM_HDCP_LINK_INTEGRITY_FAILURE,
> + DRM_HDCP_REAUTH_REQUEST
> +};
But this one here is just a part of the intel_hdcp_shim interface. I think
we should put into the intel_drv.h header, and change the return value of
the check_2_2_link hook to this enum. I think that would clarify the code
a lot. Plus then ofc merge this part into the first patch that uses it.
With that remaining patches have my ack, too.
Cheers, Daniel
>
> /* Shared lengths/masks between HDMI/DVI/DisplayPort */
> #define DRM_HDCP_AN_LEN 8
> --
> 2.7.4
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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