Re: [PATCH v10 12/40] drm: HDCP2.2 link check period

Shankar, Uma
2019-02-04T14:24:17Z

>-----Original Message-----
>From: C, Ramalingam
>Sent: Thursday, January 31, 2019 12:29 PM
>To: intel-gfx@lists.freedesktop.org; dri-devel@lists.freedesktop.org;
>daniel.vetter@ffwll.ch; Winkler, Tomas <tomas.winkler@intel.com>; Shankar,
>Uma <uma.shankar@intel.com>
>Cc: C, Ramalingam <ramalingam.c@intel.com>
>Subject: [PATCH v10 12/40] drm: HDCP2.2 link check period
>
>Time period for HDCP2.2 link check.
>
>Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
>Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>

Not sure if we need a separate patch for this. Could be merged where check_link is
introduced for hdcp2.2.

If there is a valid reasoning, no hard objection and it looks ok in general. So

Reviewed-by: Uma Shankar <uma.shankar@intel.com>

>---
> include/drm/drm_hdcp.h | 1 +
> 1 file changed, 1 insertion(+)
>
>diff --git a/include/drm/drm_hdcp.h b/include/drm/drm_hdcp.h index
>7260b31af276..d4e98b11b4aa 100644
>--- a/include/drm/drm_hdcp.h
>+++ b/include/drm/drm_hdcp.h
>@@ -13,6 +13,7 @@
>
> /* 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
>
> /* Shared lengths/masks between HDMI/DVI/DisplayPort */
> #define DRM_HDCP_AN_LEN 8
>--
>2.7.4