On Thu, Sep 26, 2024 at 03:51:33PM GMT, Hermes Wu wrote:
> From: Hermes Wu <Hermes.wu@xxxxxxxxxx>
>
> When running the HDCP CTS test on UNIGRAF DPR-100.
> HDCP must disabled after waiting KSV for 5s.
> Consider system ksv work schedules. The original timer has a chance to expire.
I can't understand two last sentences, excuse me.
Nit: KSV, not ksv
>
> Fixes: b5c84a9edcd4 ("drm/bridge: add it6505 driver")
> Signed-off-by: Hermes Wu <Hermes.wu@xxxxxxxxxx>
> ---
> drivers/gpu/drm/bridge/ite-it6505.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/bridge/ite-it6505.c b/drivers/gpu/drm/bridge/ite-it6505.c
> index e75bc1575aa8..22d9bec3faea 100644
> --- a/drivers/gpu/drm/bridge/ite-it6505.c
> +++ b/drivers/gpu/drm/bridge/ite-it6505.c
> @@ -2093,7 +2093,8 @@ static void it6505_hdcp_wait_ksv_list(struct work_struct *work)
> struct it6505 *it6505 = container_of(work, struct it6505,
> hdcp_wait_ksv_list);
> struct device *dev = it6505->dev;
> - unsigned int timeout = 5000;
> + /* 1B-04 fail, wait to long to Stop encription(5s->3s). */
encryption, most likely it's also "too long".
> + unsigned int timeout = 3000;
What is the timeout per the standard?
> u8 bstatus = 0;
> bool ksv_list_check;
>
> --
> 2.34.1
>
--
With best wishes
Dmitry
