All of lore.kernel.org
 help / color / mirror / Atom feed
From: Ramalingam C <ramalingam.c@intel.com>
To: Anshuman Gupta <anshuman.gupta@intel.com>
Cc: jani.nikula@intel.com, intel-gfx@lists.freedesktop.org,
	dri-devel@lists.freedesktop.org, uma.shankar@intel.com,
	seanpaul@chromium.org, juston.li@intel.com
Subject: Re: [PATCH v4 12/16] drm/i915/hdcp: MST streams support in hdcp port_data
Date: Fri, 6 Nov 2020 16:58:20 +0530	[thread overview]
Message-ID: <20201106112820.GA13128@intel.com> (raw)
In-Reply-To: <20201106063514.GT29526@intel.com>

On 2020-11-06 at 12:05:14 +0530, Anshuman Gupta wrote:
> On 2020-11-05 at 22:04:15 +0530, Ramalingam C wrote:
> > On 2020-10-27 at 22:12:04 +0530, Anshuman Gupta wrote:
> > > Add support for multiple mst stream in hdcp port data
> > > which will be used by RepeaterAuthStreamManage msg and
> > > HDCP 2.2 security f/w for m' validation.
> > > 
> > > v2:
> > > Init the hdcp port data k for HDMI/DP SST strem.
> > > 
> > > v3:
> > > Cosmetic changes. [Uma]
> > > 
> > > Cc: Ramalingam C <ramalingam.c@intel.com>
> > > Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
> > > ---
> > >  .../drm/i915/display/intel_display_types.h    |   4 +-
> > >  drivers/gpu/drm/i915/display/intel_hdcp.c     | 103 +++++++++++++++---
> > >  2 files changed, 92 insertions(+), 15 deletions(-)
> > > 
> > > diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
> > > index 749c3a7e0b45..24e0067c2e7c 100644
> > > --- a/drivers/gpu/drm/i915/display/intel_display_types.h
> > > +++ b/drivers/gpu/drm/i915/display/intel_display_types.h
> > > @@ -1445,10 +1445,12 @@ struct intel_digital_port {
> > >  	enum phy_fia tc_phy_fia;
> > >  	u8 tc_phy_fia_idx;
> > >  
> > > -	/* protects num_hdcp_streams reference count, port_data */
> > > +	/* protects num_hdcp_streams reference count, port_data and port_auth */
> > >  	struct mutex hdcp_mutex;
> > >  	/* the number of pipes using HDCP signalling out of this port */
> > >  	unsigned int num_hdcp_streams;
> > > +	/* port HDCP auth status */
> > > +	bool port_auth;
> > >  	/* HDCP port data need to pass to security f/w */
> > >  	struct hdcp_port_data port_data;
> > since this is no more in hdcp related struct, it will be better to be named as
> > hdcp_auth_status and hdcp_port_data !?
> sure i will do this chnage.
> Thanks,
> Anshuman Gupta.
> > 
> > -Ram
> > >  
> > > diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c
> > > index a5ec4f72f50f..1df6d4a23476 100644
> > > --- a/drivers/gpu/drm/i915/display/intel_hdcp.c
> > > +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
> > > @@ -26,6 +26,64 @@
> > >  #define KEY_LOAD_TRIES	5
> > >  #define HDCP2_LC_RETRY_CNT			3
> > >  
> > > +static int intel_conn_to_vcpi(struct intel_connector *connector)
> > > +{
> > > +	/* For HDMI this is forced to be 0x0. For DP SST also this is 0x0. */
> > > +	return connector->port	? connector->port->vcpi.vcpi : 0;
> > > +}
> > > +
> > > +static int
> > > +intel_hdcp_required_content_stream(struct intel_digital_port *dig_port)
> > > +{
> > > +	struct drm_connector_list_iter conn_iter;
> > > +	struct intel_digital_port *conn_dig_port;
> > > +	struct intel_connector *connector;
> > > +	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
> > > +	struct hdcp_port_data *data = &dig_port->port_data;
> > > +	bool enforce_type0 = false;
> > > +	int k;
> > > +
> > > +	if (dig_port->port_auth)
> > > +		return 0;
> > > +
> > > +	drm_connector_list_iter_begin(&i915->drm, &conn_iter);
> > > +	for_each_intel_connector_iter(connector, &conn_iter) {
> > > +		if (!intel_encoder_is_mst(intel_attached_encoder(connector)))
> > > +			continue;
> > > +
> > > +		conn_dig_port = intel_attached_dig_port(connector);
> > > +		if (conn_dig_port != dig_port)
> > > +			continue;
> > > +
> > > +		if (connector->base.status == connector_status_disconnected)
> > > +			continue;
> > > +
> > > +		if (!enforce_type0 && !intel_hdcp2_capable(connector))
> > > +			enforce_type0 = true;
> > > +
> > > +		data->streams[data->k].stream_id = intel_conn_to_vcpi(connector);
> > > +		data->k++;
> > > +
> > > +		/* if there is only one active stream */
> > > +		if (dig_port->dp.active_mst_links <= 1)
> > > +			break;
> > > +	}
> > > +	drm_connector_list_iter_end(&conn_iter);
> > > +
> > > +	if (drm_WARN_ON(&i915->drm, data->k > INTEL_NUM_PIPES(i915) || data->k == 0))
> > > +		return -EINVAL;
> > > +
> > > +	/*
> > > +	 * Apply common protection level across all streams in DP MST Topology.
> > > +	 * Use highest supported content type for all streams in DP MST Topology.
> > > +	 */
> > > +	for (k = 0; k < data->k; k++)
> > > +		data->streams[k].stream_type =
> > > +			enforce_type0 ? DRM_MODE_HDCP_CONTENT_TYPE0 : DRM_MODE_HDCP_CONTENT_TYPE1;
> > > +
> > > +	return 0;
> > > +}
This will force userspace to use most highest common possible HDCP type
on all streams. On MST if one sink is HDCP2.2 capable and where others
are not, this will prohibit the owner of the stream corresponding to the
HDCP2.2 capable sink from using the content type1, just bacuse other
sinks are not HDCP2.2 capable. ME FW should change its rules and allow
the different content type on different streams. And also dynamic update
of the stream type support will be ideal.

-Ram
> > > +
> > >  static
> > >  bool intel_hdcp_is_ksv_valid(u8 *ksv)
> > >  {
> > > @@ -1474,13 +1532,14 @@ static
> > >  int _hdcp2_propagate_stream_management_info(struct intel_connector *connector)
> > >  {
> > >  	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);
> > > +	struct hdcp_port_data *data = &dig_port->port_data;
> > >  	struct intel_hdcp *hdcp = &connector->hdcp;
> > >  	union {
> > >  		struct hdcp2_rep_stream_manage stream_manage;
> > >  		struct hdcp2_rep_stream_ready stream_ready;
> > >  	} msgs;
> > >  	const struct intel_hdcp_shim *shim = hdcp->shim;
> > > -	int ret;
> > > +	int ret, streams_size_delta, i;
> > >  
> > >  	if (connector->hdcp.seq_num_m > HDCP_2_2_SEQ_NUM_MAX)
> > >  		return -ERANGE;
> > > @@ -1489,16 +1548,18 @@ int _hdcp2_propagate_stream_management_info(struct intel_connector *connector)
> > >  	msgs.stream_manage.msg_id = HDCP_2_2_REP_STREAM_MANAGE;
> > >  	drm_hdcp_cpu_to_be24(msgs.stream_manage.seq_num_m, hdcp->seq_num_m);
> > >  
> > > -	/* K no of streams is fixed as 1. Stored as big-endian. */
> > > -	msgs.stream_manage.k = cpu_to_be16(1);
> > > +	msgs.stream_manage.k = cpu_to_be16(data->k);
> > >  
> > > -	/* For HDMI this is forced to be 0x0. For DP SST also this is 0x0. */
> > > -	msgs.stream_manage.streams[0].stream_id = 0;
> > > -	msgs.stream_manage.streams[0].stream_type = hdcp->content_type;
> > > +	for (i = 0; i < data->k; i++) {
> > > +		msgs.stream_manage.streams[i].stream_id = data->streams[i].stream_id;
> > > +		msgs.stream_manage.streams[i].stream_type = data->streams[i].stream_type;
> > > +	}
> > >  
> > > +	streams_size_delta = (HDCP_2_2_MAX_CONTENT_STREAMS_CNT - data->k) *
> > > +				sizeof(struct hdcp2_streamid_type);
> > >  	/* Send it to Repeater */
> > >  	ret = shim->write_2_2_msg(dig_port, &msgs.stream_manage,
> > > -				  sizeof(msgs.stream_manage));
> > > +				  sizeof(msgs.stream_manage) - streams_size_delta);
> > >  	if (ret < 0)
> > >  		goto out;
> > >  
> > > @@ -1507,8 +1568,7 @@ int _hdcp2_propagate_stream_management_info(struct intel_connector *connector)
> > >  	if (ret < 0)
> > >  		goto out;
> > >  
> > > -	dig_port->port_data.seq_num_m = hdcp->seq_num_m;
> > > -	dig_port->port_data.streams[0].stream_type = hdcp->content_type;
> > > +	data->seq_num_m = hdcp->seq_num_m;
> > >  
> > >  	ret = hdcp2_verify_mprime(connector, &msgs.stream_ready);
> > >  
> > > @@ -1669,6 +1729,7 @@ static int hdcp2_enable_encryption(struct intel_connector *connector)
> > >  						 port),
> > >  				    LINK_ENCRYPTION_STATUS,
> > >  				    HDCP_ENCRYPT_STATUS_CHANGE_TIMEOUT_MS);
> > > +	dig_port->port_auth = true;
> > >  
> > >  	return ret;
> > >  }
> > > @@ -1743,11 +1804,9 @@ static int hdcp2_authenticate_and_encrypt(struct intel_connector *connector)
> > >  {
> > >  	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);
> > >  	struct drm_i915_private *i915 = to_i915(connector->base.dev);
> > > -	struct hdcp_port_data *data = &dig_port->port_data;
> > > -	struct intel_hdcp *hdcp = &connector->hdcp;
> > > -	int ret, i, tries = 3;
> > > +	int ret = 0, i, tries = 3;
> > >  
> > > -	for (i = 0; i < tries; i++) {
> > > +	for (i = 0; i < tries && !dig_port->port_auth; i++) {
> > >  		ret = hdcp2_authenticate_sink(connector);
> > >  		if (!ret) {
> > >  			ret = hdcp2_propagate_stream_management_info(connector);
> > > @@ -1757,7 +1816,7 @@ static int hdcp2_authenticate_and_encrypt(struct intel_connector *connector)
> > >  					    ret);
> > >  				break;
> > >  			}
> > > -			data->streams[0].stream_type = hdcp->content_type;
> > > +
> > >  			ret = hdcp2_authenticate_port(connector);
> > >  			if (!ret)
> > >  				break;
> > > @@ -1792,7 +1851,9 @@ static int hdcp2_authenticate_and_encrypt(struct intel_connector *connector)
> > >  
> > >  static int _intel_hdcp2_enable(struct intel_connector *connector)
> > >  {
> > > +	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);
> > >  	struct drm_i915_private *i915 = to_i915(connector->base.dev);
> > > +	struct hdcp_port_data *data = &dig_port->port_data;
> > >  	struct intel_hdcp *hdcp = &connector->hdcp;
> > >  	int ret;
> > >  
> > > @@ -1800,6 +1861,16 @@ static int _intel_hdcp2_enable(struct intel_connector *connector)
> > >  		    connector->base.name, connector->base.base.id,
> > >  		    hdcp->content_type);
> > >  
> > > +	/* Stream which requires encryption */
> > > +	if (!intel_encoder_is_mst(intel_attached_encoder(connector))) {
> > > +		data->k = 1;
> > > +		data->streams[0].stream_type = hdcp->content_type;
> > > +	} else {
> > > +		ret = intel_hdcp_required_content_stream(dig_port);
> > > +		if (ret)
> > > +			return ret;
> > > +	}
> > > +
> > >  	ret = hdcp2_authenticate_and_encrypt(connector);
> > >  	if (ret) {
> > >  		drm_dbg_kms(&i915->drm, "HDCP2 Type%d  Enabling Failed. (%d)\n",
> > > @@ -1817,7 +1888,9 @@ static int _intel_hdcp2_enable(struct intel_connector *connector)
> > >  
> > >  static int _intel_hdcp2_disable(struct intel_connector *connector)
> > >  {
> > > +	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);
> > >  	struct drm_i915_private *i915 = to_i915(connector->base.dev);
> > > +	struct hdcp_port_data *data = &dig_port->port_data;
> > >  	int ret;
> > >  
> > >  	drm_dbg_kms(&i915->drm, "[%s:%d] HDCP2.2 is being Disabled\n",
> > > @@ -1829,6 +1902,8 @@ static int _intel_hdcp2_disable(struct intel_connector *connector)
> > >  		drm_dbg_kms(&i915->drm, "Port deauth failed.\n");
> > >  
> > >  	connector->hdcp.hdcp2_encrypted = false;
> > > +	dig_port->port_auth = false;
> > > +	data->k = 0;
> > >  
> > >  	return ret;
> > >  }
> > > -- 
> > > 2.26.2
> > > 
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

WARNING: multiple messages have this Message-ID (diff)
From: Ramalingam C <ramalingam.c@intel.com>
To: Anshuman Gupta <anshuman.gupta@intel.com>
Cc: jani.nikula@intel.com, intel-gfx@lists.freedesktop.org,
	dri-devel@lists.freedesktop.org, seanpaul@chromium.org
Subject: Re: [Intel-gfx] [PATCH v4 12/16] drm/i915/hdcp: MST streams support in hdcp port_data
Date: Fri, 6 Nov 2020 16:58:20 +0530	[thread overview]
Message-ID: <20201106112820.GA13128@intel.com> (raw)
In-Reply-To: <20201106063514.GT29526@intel.com>

On 2020-11-06 at 12:05:14 +0530, Anshuman Gupta wrote:
> On 2020-11-05 at 22:04:15 +0530, Ramalingam C wrote:
> > On 2020-10-27 at 22:12:04 +0530, Anshuman Gupta wrote:
> > > Add support for multiple mst stream in hdcp port data
> > > which will be used by RepeaterAuthStreamManage msg and
> > > HDCP 2.2 security f/w for m' validation.
> > > 
> > > v2:
> > > Init the hdcp port data k for HDMI/DP SST strem.
> > > 
> > > v3:
> > > Cosmetic changes. [Uma]
> > > 
> > > Cc: Ramalingam C <ramalingam.c@intel.com>
> > > Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
> > > ---
> > >  .../drm/i915/display/intel_display_types.h    |   4 +-
> > >  drivers/gpu/drm/i915/display/intel_hdcp.c     | 103 +++++++++++++++---
> > >  2 files changed, 92 insertions(+), 15 deletions(-)
> > > 
> > > diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
> > > index 749c3a7e0b45..24e0067c2e7c 100644
> > > --- a/drivers/gpu/drm/i915/display/intel_display_types.h
> > > +++ b/drivers/gpu/drm/i915/display/intel_display_types.h
> > > @@ -1445,10 +1445,12 @@ struct intel_digital_port {
> > >  	enum phy_fia tc_phy_fia;
> > >  	u8 tc_phy_fia_idx;
> > >  
> > > -	/* protects num_hdcp_streams reference count, port_data */
> > > +	/* protects num_hdcp_streams reference count, port_data and port_auth */
> > >  	struct mutex hdcp_mutex;
> > >  	/* the number of pipes using HDCP signalling out of this port */
> > >  	unsigned int num_hdcp_streams;
> > > +	/* port HDCP auth status */
> > > +	bool port_auth;
> > >  	/* HDCP port data need to pass to security f/w */
> > >  	struct hdcp_port_data port_data;
> > since this is no more in hdcp related struct, it will be better to be named as
> > hdcp_auth_status and hdcp_port_data !?
> sure i will do this chnage.
> Thanks,
> Anshuman Gupta.
> > 
> > -Ram
> > >  
> > > diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c
> > > index a5ec4f72f50f..1df6d4a23476 100644
> > > --- a/drivers/gpu/drm/i915/display/intel_hdcp.c
> > > +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
> > > @@ -26,6 +26,64 @@
> > >  #define KEY_LOAD_TRIES	5
> > >  #define HDCP2_LC_RETRY_CNT			3
> > >  
> > > +static int intel_conn_to_vcpi(struct intel_connector *connector)
> > > +{
> > > +	/* For HDMI this is forced to be 0x0. For DP SST also this is 0x0. */
> > > +	return connector->port	? connector->port->vcpi.vcpi : 0;
> > > +}
> > > +
> > > +static int
> > > +intel_hdcp_required_content_stream(struct intel_digital_port *dig_port)
> > > +{
> > > +	struct drm_connector_list_iter conn_iter;
> > > +	struct intel_digital_port *conn_dig_port;
> > > +	struct intel_connector *connector;
> > > +	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
> > > +	struct hdcp_port_data *data = &dig_port->port_data;
> > > +	bool enforce_type0 = false;
> > > +	int k;
> > > +
> > > +	if (dig_port->port_auth)
> > > +		return 0;
> > > +
> > > +	drm_connector_list_iter_begin(&i915->drm, &conn_iter);
> > > +	for_each_intel_connector_iter(connector, &conn_iter) {
> > > +		if (!intel_encoder_is_mst(intel_attached_encoder(connector)))
> > > +			continue;
> > > +
> > > +		conn_dig_port = intel_attached_dig_port(connector);
> > > +		if (conn_dig_port != dig_port)
> > > +			continue;
> > > +
> > > +		if (connector->base.status == connector_status_disconnected)
> > > +			continue;
> > > +
> > > +		if (!enforce_type0 && !intel_hdcp2_capable(connector))
> > > +			enforce_type0 = true;
> > > +
> > > +		data->streams[data->k].stream_id = intel_conn_to_vcpi(connector);
> > > +		data->k++;
> > > +
> > > +		/* if there is only one active stream */
> > > +		if (dig_port->dp.active_mst_links <= 1)
> > > +			break;
> > > +	}
> > > +	drm_connector_list_iter_end(&conn_iter);
> > > +
> > > +	if (drm_WARN_ON(&i915->drm, data->k > INTEL_NUM_PIPES(i915) || data->k == 0))
> > > +		return -EINVAL;
> > > +
> > > +	/*
> > > +	 * Apply common protection level across all streams in DP MST Topology.
> > > +	 * Use highest supported content type for all streams in DP MST Topology.
> > > +	 */
> > > +	for (k = 0; k < data->k; k++)
> > > +		data->streams[k].stream_type =
> > > +			enforce_type0 ? DRM_MODE_HDCP_CONTENT_TYPE0 : DRM_MODE_HDCP_CONTENT_TYPE1;
> > > +
> > > +	return 0;
> > > +}
This will force userspace to use most highest common possible HDCP type
on all streams. On MST if one sink is HDCP2.2 capable and where others
are not, this will prohibit the owner of the stream corresponding to the
HDCP2.2 capable sink from using the content type1, just bacuse other
sinks are not HDCP2.2 capable. ME FW should change its rules and allow
the different content type on different streams. And also dynamic update
of the stream type support will be ideal.

-Ram
> > > +
> > >  static
> > >  bool intel_hdcp_is_ksv_valid(u8 *ksv)
> > >  {
> > > @@ -1474,13 +1532,14 @@ static
> > >  int _hdcp2_propagate_stream_management_info(struct intel_connector *connector)
> > >  {
> > >  	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);
> > > +	struct hdcp_port_data *data = &dig_port->port_data;
> > >  	struct intel_hdcp *hdcp = &connector->hdcp;
> > >  	union {
> > >  		struct hdcp2_rep_stream_manage stream_manage;
> > >  		struct hdcp2_rep_stream_ready stream_ready;
> > >  	} msgs;
> > >  	const struct intel_hdcp_shim *shim = hdcp->shim;
> > > -	int ret;
> > > +	int ret, streams_size_delta, i;
> > >  
> > >  	if (connector->hdcp.seq_num_m > HDCP_2_2_SEQ_NUM_MAX)
> > >  		return -ERANGE;
> > > @@ -1489,16 +1548,18 @@ int _hdcp2_propagate_stream_management_info(struct intel_connector *connector)
> > >  	msgs.stream_manage.msg_id = HDCP_2_2_REP_STREAM_MANAGE;
> > >  	drm_hdcp_cpu_to_be24(msgs.stream_manage.seq_num_m, hdcp->seq_num_m);
> > >  
> > > -	/* K no of streams is fixed as 1. Stored as big-endian. */
> > > -	msgs.stream_manage.k = cpu_to_be16(1);
> > > +	msgs.stream_manage.k = cpu_to_be16(data->k);
> > >  
> > > -	/* For HDMI this is forced to be 0x0. For DP SST also this is 0x0. */
> > > -	msgs.stream_manage.streams[0].stream_id = 0;
> > > -	msgs.stream_manage.streams[0].stream_type = hdcp->content_type;
> > > +	for (i = 0; i < data->k; i++) {
> > > +		msgs.stream_manage.streams[i].stream_id = data->streams[i].stream_id;
> > > +		msgs.stream_manage.streams[i].stream_type = data->streams[i].stream_type;
> > > +	}
> > >  
> > > +	streams_size_delta = (HDCP_2_2_MAX_CONTENT_STREAMS_CNT - data->k) *
> > > +				sizeof(struct hdcp2_streamid_type);
> > >  	/* Send it to Repeater */
> > >  	ret = shim->write_2_2_msg(dig_port, &msgs.stream_manage,
> > > -				  sizeof(msgs.stream_manage));
> > > +				  sizeof(msgs.stream_manage) - streams_size_delta);
> > >  	if (ret < 0)
> > >  		goto out;
> > >  
> > > @@ -1507,8 +1568,7 @@ int _hdcp2_propagate_stream_management_info(struct intel_connector *connector)
> > >  	if (ret < 0)
> > >  		goto out;
> > >  
> > > -	dig_port->port_data.seq_num_m = hdcp->seq_num_m;
> > > -	dig_port->port_data.streams[0].stream_type = hdcp->content_type;
> > > +	data->seq_num_m = hdcp->seq_num_m;
> > >  
> > >  	ret = hdcp2_verify_mprime(connector, &msgs.stream_ready);
> > >  
> > > @@ -1669,6 +1729,7 @@ static int hdcp2_enable_encryption(struct intel_connector *connector)
> > >  						 port),
> > >  				    LINK_ENCRYPTION_STATUS,
> > >  				    HDCP_ENCRYPT_STATUS_CHANGE_TIMEOUT_MS);
> > > +	dig_port->port_auth = true;
> > >  
> > >  	return ret;
> > >  }
> > > @@ -1743,11 +1804,9 @@ static int hdcp2_authenticate_and_encrypt(struct intel_connector *connector)
> > >  {
> > >  	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);
> > >  	struct drm_i915_private *i915 = to_i915(connector->base.dev);
> > > -	struct hdcp_port_data *data = &dig_port->port_data;
> > > -	struct intel_hdcp *hdcp = &connector->hdcp;
> > > -	int ret, i, tries = 3;
> > > +	int ret = 0, i, tries = 3;
> > >  
> > > -	for (i = 0; i < tries; i++) {
> > > +	for (i = 0; i < tries && !dig_port->port_auth; i++) {
> > >  		ret = hdcp2_authenticate_sink(connector);
> > >  		if (!ret) {
> > >  			ret = hdcp2_propagate_stream_management_info(connector);
> > > @@ -1757,7 +1816,7 @@ static int hdcp2_authenticate_and_encrypt(struct intel_connector *connector)
> > >  					    ret);
> > >  				break;
> > >  			}
> > > -			data->streams[0].stream_type = hdcp->content_type;
> > > +
> > >  			ret = hdcp2_authenticate_port(connector);
> > >  			if (!ret)
> > >  				break;
> > > @@ -1792,7 +1851,9 @@ static int hdcp2_authenticate_and_encrypt(struct intel_connector *connector)
> > >  
> > >  static int _intel_hdcp2_enable(struct intel_connector *connector)
> > >  {
> > > +	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);
> > >  	struct drm_i915_private *i915 = to_i915(connector->base.dev);
> > > +	struct hdcp_port_data *data = &dig_port->port_data;
> > >  	struct intel_hdcp *hdcp = &connector->hdcp;
> > >  	int ret;
> > >  
> > > @@ -1800,6 +1861,16 @@ static int _intel_hdcp2_enable(struct intel_connector *connector)
> > >  		    connector->base.name, connector->base.base.id,
> > >  		    hdcp->content_type);
> > >  
> > > +	/* Stream which requires encryption */
> > > +	if (!intel_encoder_is_mst(intel_attached_encoder(connector))) {
> > > +		data->k = 1;
> > > +		data->streams[0].stream_type = hdcp->content_type;
> > > +	} else {
> > > +		ret = intel_hdcp_required_content_stream(dig_port);
> > > +		if (ret)
> > > +			return ret;
> > > +	}
> > > +
> > >  	ret = hdcp2_authenticate_and_encrypt(connector);
> > >  	if (ret) {
> > >  		drm_dbg_kms(&i915->drm, "HDCP2 Type%d  Enabling Failed. (%d)\n",
> > > @@ -1817,7 +1888,9 @@ static int _intel_hdcp2_enable(struct intel_connector *connector)
> > >  
> > >  static int _intel_hdcp2_disable(struct intel_connector *connector)
> > >  {
> > > +	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);
> > >  	struct drm_i915_private *i915 = to_i915(connector->base.dev);
> > > +	struct hdcp_port_data *data = &dig_port->port_data;
> > >  	int ret;
> > >  
> > >  	drm_dbg_kms(&i915->drm, "[%s:%d] HDCP2.2 is being Disabled\n",
> > > @@ -1829,6 +1902,8 @@ static int _intel_hdcp2_disable(struct intel_connector *connector)
> > >  		drm_dbg_kms(&i915->drm, "Port deauth failed.\n");
> > >  
> > >  	connector->hdcp.hdcp2_encrypted = false;
> > > +	dig_port->port_auth = false;
> > > +	data->k = 0;
> > >  
> > >  	return ret;
> > >  }
> > > -- 
> > > 2.26.2
> > > 
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

  reply	other threads:[~2020-11-06 11:27 UTC|newest]

Thread overview: 111+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-27 16:41 [PATCH v4 00/16] HDCP 2.2 and HDCP 1.4 Gen12 DP MST support Anshuman Gupta
2020-10-27 16:41 ` [Intel-gfx] " Anshuman Gupta
2020-10-27 16:41 ` [PATCH v4 01/16] drm/i915/hdcp: Update CP property in update_pipe Anshuman Gupta
2020-10-27 16:41   ` [Intel-gfx] " Anshuman Gupta
2020-11-02  7:45   ` Shankar, Uma
2020-11-02  7:45     ` [Intel-gfx] " Shankar, Uma
2020-11-05 13:18   ` Ramalingam C
2020-11-05 13:18     ` [Intel-gfx] " Ramalingam C
2020-11-05 13:21     ` Ramalingam C
2020-11-05 13:21       ` Ramalingam C
2020-11-05 13:26       ` Ramalingam C
2020-11-05 13:26         ` Ramalingam C
2020-10-27 16:41 ` [PATCH v4 02/16] drm/i915/hdcp: Get conn while content_type changed Anshuman Gupta
2020-10-27 16:41   ` [Intel-gfx] " Anshuman Gupta
2020-11-02  7:45   ` Shankar, Uma
2020-11-02  7:45     ` [Intel-gfx] " Shankar, Uma
2020-11-05 13:23   ` Ramalingam C
2020-11-05 13:23     ` [Intel-gfx] " Ramalingam C
2020-10-27 16:41 ` [PATCH v4 03/16] drm/i915/hotplug: Handle CP_IRQ for DP-MST Anshuman Gupta
2020-10-27 16:41   ` [Intel-gfx] " Anshuman Gupta
2020-11-06 12:00   ` Ramalingam C
2020-11-06 12:00     ` [Intel-gfx] " Ramalingam C
2020-10-27 16:41 ` [PATCH v4 04/16] drm/i915/hdcp: DP MST transcoder for link and stream Anshuman Gupta
2020-10-27 16:41   ` [Intel-gfx] " Anshuman Gupta
2020-11-05 13:52   ` Ramalingam C
2020-11-05 13:52     ` [Intel-gfx] " Ramalingam C
2020-10-27 16:41 ` [PATCH v4 05/16] drm/i915/hdcp: Move HDCP enc status timeout to header Anshuman Gupta
2020-10-27 16:41   ` [Intel-gfx] " Anshuman Gupta
2020-11-05 13:57   ` Ramalingam C
2020-11-05 13:57     ` [Intel-gfx] " Ramalingam C
2020-10-27 16:41 ` [PATCH v4 06/16] drm/i915/hdcp: HDCP stream encryption support Anshuman Gupta
2020-10-27 16:41   ` [Intel-gfx] " Anshuman Gupta
2020-11-02  7:47   ` Shankar, Uma
2020-11-02  7:47     ` [Intel-gfx] " Shankar, Uma
2020-11-05 15:34   ` Ramalingam C
2020-11-05 15:34     ` [Intel-gfx] " Ramalingam C
2020-11-06  5:22     ` Anshuman Gupta
2020-11-06  5:22       ` [Intel-gfx] " Anshuman Gupta
2020-11-06  7:52       ` Ramalingam C
2020-11-06  7:52         ` [Intel-gfx] " Ramalingam C
2020-10-27 16:41 ` [PATCH v4 07/16] drm/i915/hdcp: Enable Gen12 HDCP 1.4 DP MST support Anshuman Gupta
2020-10-27 16:41   ` [Intel-gfx] " Anshuman Gupta
2020-11-02  7:47   ` Shankar, Uma
2020-11-02  7:47     ` [Intel-gfx] " Shankar, Uma
2020-11-05 15:41   ` Ramalingam C
2020-11-05 15:41     ` [Intel-gfx] " Ramalingam C
2020-11-06  6:36     ` Anshuman Gupta
2020-11-06  6:36       ` [Intel-gfx] " Anshuman Gupta
2020-10-27 16:42 ` [PATCH v4 08/16] drm/i915/hdcp: Pass dig_port to intel_hdcp_init Anshuman Gupta
2020-10-27 16:42   ` [Intel-gfx] " Anshuman Gupta
2020-11-05 16:39   ` Ramalingam C
2020-11-05 16:39     ` [Intel-gfx] " Ramalingam C
2020-11-06  4:50     ` Anshuman Gupta
2020-11-06  4:50       ` [Intel-gfx] " Anshuman Gupta
2020-11-06  7:48       ` Ramalingam C
2020-11-06  7:48         ` [Intel-gfx] " Ramalingam C
2020-10-27 16:42 ` [PATCH v4 09/16] drm/i915/hdcp: Encapsulate hdcp_port_data to dig_port Anshuman Gupta
2020-10-27 16:42   ` [Intel-gfx] " Anshuman Gupta
2020-11-06 11:34   ` Ramalingam C
2020-11-06 11:34     ` [Intel-gfx] " Ramalingam C
2020-10-27 16:42 ` [PATCH v4 10/16] misc/mei/hdcp: Fix AUTH_STREAM_REQ cmd buffer len Anshuman Gupta
2020-10-27 16:42   ` [Intel-gfx] " Anshuman Gupta
2020-11-05 16:07   ` Ramalingam C
2020-11-05 16:07     ` [Intel-gfx] " Ramalingam C
2020-10-27 16:42 ` [PATCH v4 11/16] drm/hdcp: Max MST content streams Anshuman Gupta
2020-10-27 16:42   ` [Intel-gfx] " Anshuman Gupta
2020-11-05 16:09   ` Ramalingam C
2020-11-05 16:09     ` [Intel-gfx] " Ramalingam C
2020-10-27 16:42 ` [PATCH v4 12/16] drm/i915/hdcp: MST streams support in hdcp port_data Anshuman Gupta
2020-10-27 16:42   ` [Intel-gfx] " Anshuman Gupta
2020-11-02  7:49   ` Shankar, Uma
2020-11-02  7:49     ` [Intel-gfx] " Shankar, Uma
2020-11-05 16:34   ` Ramalingam C
2020-11-05 16:34     ` [Intel-gfx] " Ramalingam C
2020-11-06  6:35     ` Anshuman Gupta
2020-11-06  6:35       ` [Intel-gfx] " Anshuman Gupta
2020-11-06 11:28       ` Ramalingam C [this message]
2020-11-06 11:28         ` Ramalingam C
2020-10-27 16:42 ` [PATCH v4 13/16] drm/i915/hdcp: Pass connector to check_2_2_link Anshuman Gupta
2020-10-27 16:42   ` [Intel-gfx] " Anshuman Gupta
2020-11-05 16:45   ` Ramalingam C
2020-11-05 16:45     ` [Intel-gfx] " Ramalingam C
2020-11-06  5:08     ` Anshuman Gupta
2020-11-06  5:08       ` [Intel-gfx] " Anshuman Gupta
2020-10-27 16:42 ` [PATCH v4 14/16] drm/i915/hdcp: Add HDCP 2.2 stream register Anshuman Gupta
2020-10-27 16:42   ` [Intel-gfx] " Anshuman Gupta
2020-11-05 16:47   ` Ramalingam C
2020-11-05 16:47     ` [Intel-gfx] " Ramalingam C
2020-10-27 16:42 ` [PATCH v4 15/16] drm/i915/hdcp: Support for HDCP 2.2 MST shim callbacks Anshuman Gupta
2020-10-27 16:42   ` [Intel-gfx] " Anshuman Gupta
2020-11-02  7:49   ` Shankar, Uma
2020-11-02  7:49     ` [Intel-gfx] " Shankar, Uma
2020-11-03  6:27   ` Anshuman Gupta
2020-11-06  9:27     ` Ramalingam C
2020-11-06 11:12       ` Ramalingam C
2020-11-09  5:36         ` Anshuman Gupta
2020-11-09  8:38           ` Ramalingam C
2020-10-27 16:42 ` [PATCH v4 16/16] drm/i915/hdcp: Enable HDCP 2.2 MST support Anshuman Gupta
2020-10-27 16:42   ` [Intel-gfx] " Anshuman Gupta
2020-11-06 11:58   ` Ramalingam C
2020-11-06 11:58     ` [Intel-gfx] " Ramalingam C
2020-10-28  2:47 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for HDCP 2.2 and HDCP 1.4 Gen12 DP MST support (rev2) Patchwork
2020-10-28  2:49 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2020-10-28  3:17 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2020-10-28  6:40 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork
2020-10-29  8:37   ` Anshuman Gupta
2020-10-29 22:11     ` Vudum, Lakshminarayana
2020-10-29 17:40 ` Patchwork
2020-10-29 17:54 ` [Intel-gfx] ✓ Fi.CI.IGT: success " Patchwork
2020-11-02  9:02   ` Anshuman Gupta
2020-11-03  7:05 ` [Intel-gfx] ✗ Fi.CI.SPARSE: warning for HDCP 2.2 and HDCP 1.4 Gen12 DP MST support (rev3) Patchwork

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20201106112820.GA13128@intel.com \
    --to=ramalingam.c@intel.com \
    --cc=anshuman.gupta@intel.com \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=intel-gfx@lists.freedesktop.org \
    --cc=jani.nikula@intel.com \
    --cc=juston.li@intel.com \
    --cc=seanpaul@chromium.org \
    --cc=uma.shankar@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.