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disp: msm: dp: wait for sink to stabilize during hdcp

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Some sinks need more time to stabilize after synchronization and
before it can handle an HDCP authentication request.
This change adds the delay for better interoperability.

Change-Id: I4fffb9024f782dd68e3a883208cb8e9d0c5350a1
Signed-off-by: poyewu <poyewu@codeaurora.org>
This commit is contained in:
poyewu 2020-05-27 12:50:30 -04:00
commit c851d28bca
1 changed files with 6 additions and 0 deletions
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6
msm/dp/dp_display.c
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@ -426,6 +426,12 @@ static int dp_display_hdcp_process_sink_sync(struct dp_display_private *dp)
queue_delayed_work(dp->wq, &dp->hdcp_cb_work, HZ);
return -EAGAIN;
}
/*
* Some sinks need more time to stabilize after synchronization
* and before it can handle an HDCP authentication request.
* Adding the delay for better interoperability.
*/
msleep(6000);
}
return 0;