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Commit 37886d98 authored by Sankeerth Billakanti's avatar Sankeerth Billakanti
Browse files

drm/msm/hdcp: unload the HDCP app on DP shutdown 



Unload the HDCP app whenever DP is shutdown as this ensures
that we free all resources allocated during the session.

Change-Id: I897757629cc7a7962eb5e7bd1fbc9ed0c62593cb
Signed-off-by: default avatarSankeerth Billakanti <sbillaka@codeaurora.org>
parent e987c835

drivers/gpu/drm/msm/sde_hdcp_1x.c

+3 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2010-2018, The Linux Foundation. All rights reserved.

/* Copyright (c) 2010-2019, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -1263,6 +1263,8 @@ static void sde_hdcp_1x_off(void *input) 


	hdcp->sink_r0_ready = false;



	hdcp1_unload_app();



	pr_debug("%s: HDCP: Off\n", SDE_HDCP_STATE_NAME);

} /* hdcp_1x_off */

drivers/misc/hdcp_qseecom.c

+25 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.

/* Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -2037,6 +2037,30 @@ bool hdcp1_check_if_supported_load_app(void) 
	return hdcp1_supported;

}



void hdcp1_unload_app(void)

{

	int rc = 0;



	if (!hdcp1_supported) {

		pr_debug("hdcp1 is not supported\n");

		return;

	}



	if (!hdcp1_handle) {

		pr_debug("invalid hdcp1 handle\n");

		return;

	}



	rc = qseecom_shutdown_app(&hdcp1_handle);

	if (rc) {

		pr_debug("qseecom_shutdown_app failed with ERR = %d\n", rc);

		return;

	}



	hdcp1_handle = NULL;

	pr_debug("hdcp1 app unloaded\n");

}



/* APIs exposed to all clients */

int hdcp1_set_keys(uint32_t *aksv_msb, uint32_t *aksv_lsb)

{

include/linux/hdcp_qseecom.h

+2 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.

/* Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -215,6 +215,7 @@ struct hdcp_register_data { 
int hdcp_library_register(struct hdcp_register_data *data);

void hdcp_library_deregister(void *phdcpcontext);

bool hdcp1_check_if_supported_load_app(void);

void hdcp1_unload_app(void);

int hdcp1_set_keys(uint32_t *aksv_msb, uint32_t *aksv_lsb);

int hdcp1_set_enc(bool enable);

#endif /* __HDCP_QSEECOM_H */