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Commit a48b8eaf authored by Aravind Venkateswaran's avatar Aravind Venkateswaran
Browse files

disp: msm: dp: delay hotplug connect notification 



Delay the hotplug connect notification to check for any test
requests issued by the sink. This will avoid unwanted connection
event callbacks.

CRs-Fixed: 2565704
Change-Id: Id7a04dbbb5ad5b86c3791ac2db5de2c92e98fc46
Signed-off-by: default avatarAravind Venkateswaran <aravindh@codeaurora.org>
parent 6d35ff52

msm/dp/dp_display.c

+6 −0
Original line number Diff line number Diff line
@@ -965,6 +965,12 @@ static int dp_display_process_hpd_high(struct dp_display_private *dp) 
end:

	mutex_unlock(&dp->session_lock);



	/*

	 * Delay the HPD connect notification to see if sink generates any

	 * IRQ HPDs immediately after the HPD high.

	 */

	usleep_range(10000, 10100);



	/*

	 * If an IRQ HPD is pending, then do not send a connect notification.

	 * Once this work returns, the IRQ HPD would be processed and any