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

C, Ramalingam
2019-02-04T14:50:59Z

On 2/4/2019 7:54 PM, Shankar, Uma wrote:
>
>> -----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
drm level change is convenient to have in separate patch to get approval
from dri-devel.

--Ram
>
> 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

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