From: Anshuman Gupta <anshuman.gupta@intel.com> To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Cc: jani.nikula@intel.com, uma.shankar@intel.com, seanpaul@chromium.org, Anshuman Gupta <anshuman.gupta@intel.com>, juston.li@intel.com Subject: [PATCH v3 16/16] drm/i915/hdcp: Enable HDCP 2.2 MST support Date: Fri, 23 Oct 2020 17:51:12 +0530 [thread overview] Message-ID: <20201023122112.15265-17-anshuman.gupta@intel.com> (raw) In-Reply-To: <20201023122112.15265-1-anshuman.gupta@intel.com> Enable HDCP 2.2 over DP MST. Cc: Ramalingam C <ramalingam.c@intel.com> Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com> --- drivers/gpu/drm/i915/display/intel_hdcp.c | 46 ++++++++++++++++++++++- 1 file changed, 44 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index 9dd08e2636e9..621c1a94c5ad 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -1698,6 +1698,32 @@ static int hdcp2_authenticate_sink(struct intel_connector *connector) return ret; } +static int hdcp2_enable_stream_encryption(struct intel_connector *connector) +{ + struct intel_digital_port *dig_port = intel_attached_dig_port(connector); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_hdcp *hdcp = &connector->hdcp; + enum transcoder cpu_transcoder = hdcp->cpu_transcoder; + enum port port = dig_port->base.port; + int ret = 0; + + if (!(intel_de_read(dev_priv, HDCP2_STATUS(dev_priv, cpu_transcoder, port)) & + LINK_ENCRYPTION_STATUS)) { + drm_err(&dev_priv->drm, "HDCP 2.2 Link is not encrypted\n"); + return -EPERM; + } + + if (hdcp->shim->stream_2_2_encryption) { + ret = hdcp->shim->stream_2_2_encryption(dig_port, true); + if (ret) { + drm_err(&dev_priv->drm, "Failed to enable HDCP 2.2 stream enc\n"); + return ret; + } + } + + return ret; +} + static int hdcp2_enable_encryption(struct intel_connector *connector) { struct intel_digital_port *dig_port = intel_attached_dig_port(connector); @@ -1836,7 +1862,7 @@ static int hdcp2_authenticate_and_encrypt(struct intel_connector *connector) drm_dbg_kms(&i915->drm, "Port deauth failed.\n"); } - if (!ret) { + if (!ret && !dig_port->port_auth) { /* * Ensuring the required 200mSec min time interval between * Session Key Exchange and encryption. @@ -1851,6 +1877,8 @@ static int hdcp2_authenticate_and_encrypt(struct intel_connector *connector) } } + ret = hdcp2_enable_stream_encryption(connector); + return ret; } @@ -1896,11 +1924,23 @@ 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; + struct intel_hdcp *hdcp = &connector->hdcp; int ret; drm_dbg_kms(&i915->drm, "[%s:%d] HDCP2.2 is being Disabled\n", connector->base.name, connector->base.base.id); + if (hdcp->shim->stream_2_2_encryption) { + ret = hdcp->shim->stream_2_2_encryption(dig_port, false); + if (ret) { + drm_err(&i915->drm, "Failed to disable HDCP 2.2 stream enc\n"); + return ret; + } + } + + if (dig_port->num_hdcp_streams > 0) + return ret; + ret = hdcp2_disable_encryption(connector); if (hdcp2_deauthenticate_port(connector) < 0) @@ -1924,6 +1964,7 @@ static int intel_hdcp2_check_link(struct intel_connector *connector) int ret = 0; mutex_lock(&hdcp->mutex); + mutex_lock(&dig_port->hdcp_mutex); cpu_transcoder = hdcp->cpu_transcoder; /* hdcp2_check_link is expected only when HDCP2.2 is Enabled */ @@ -2001,6 +2042,7 @@ static int intel_hdcp2_check_link(struct intel_connector *connector) } out: + mutex_unlock(&dig_port->hdcp_mutex); mutex_unlock(&hdcp->mutex); return ret; } @@ -2182,7 +2224,7 @@ int intel_hdcp_init(struct intel_connector *connector, if (!shim) return -EINVAL; - if (is_hdcp2_supported(dev_priv) && !connector->mst_port) + if (is_hdcp2_supported(dev_priv)) intel_hdcp2_init(connector, dig_port, shim); 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: Anshuman Gupta <anshuman.gupta@intel.com> To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Cc: jani.nikula@intel.com, seanpaul@chromium.org Subject: [Intel-gfx] [PATCH v3 16/16] drm/i915/hdcp: Enable HDCP 2.2 MST support Date: Fri, 23 Oct 2020 17:51:12 +0530 [thread overview] Message-ID: <20201023122112.15265-17-anshuman.gupta@intel.com> (raw) In-Reply-To: <20201023122112.15265-1-anshuman.gupta@intel.com> Enable HDCP 2.2 over DP MST. Cc: Ramalingam C <ramalingam.c@intel.com> Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com> --- drivers/gpu/drm/i915/display/intel_hdcp.c | 46 ++++++++++++++++++++++- 1 file changed, 44 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index 9dd08e2636e9..621c1a94c5ad 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -1698,6 +1698,32 @@ static int hdcp2_authenticate_sink(struct intel_connector *connector) return ret; } +static int hdcp2_enable_stream_encryption(struct intel_connector *connector) +{ + struct intel_digital_port *dig_port = intel_attached_dig_port(connector); + struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_hdcp *hdcp = &connector->hdcp; + enum transcoder cpu_transcoder = hdcp->cpu_transcoder; + enum port port = dig_port->base.port; + int ret = 0; + + if (!(intel_de_read(dev_priv, HDCP2_STATUS(dev_priv, cpu_transcoder, port)) & + LINK_ENCRYPTION_STATUS)) { + drm_err(&dev_priv->drm, "HDCP 2.2 Link is not encrypted\n"); + return -EPERM; + } + + if (hdcp->shim->stream_2_2_encryption) { + ret = hdcp->shim->stream_2_2_encryption(dig_port, true); + if (ret) { + drm_err(&dev_priv->drm, "Failed to enable HDCP 2.2 stream enc\n"); + return ret; + } + } + + return ret; +} + static int hdcp2_enable_encryption(struct intel_connector *connector) { struct intel_digital_port *dig_port = intel_attached_dig_port(connector); @@ -1836,7 +1862,7 @@ static int hdcp2_authenticate_and_encrypt(struct intel_connector *connector) drm_dbg_kms(&i915->drm, "Port deauth failed.\n"); } - if (!ret) { + if (!ret && !dig_port->port_auth) { /* * Ensuring the required 200mSec min time interval between * Session Key Exchange and encryption. @@ -1851,6 +1877,8 @@ static int hdcp2_authenticate_and_encrypt(struct intel_connector *connector) } } + ret = hdcp2_enable_stream_encryption(connector); + return ret; } @@ -1896,11 +1924,23 @@ 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; + struct intel_hdcp *hdcp = &connector->hdcp; int ret; drm_dbg_kms(&i915->drm, "[%s:%d] HDCP2.2 is being Disabled\n", connector->base.name, connector->base.base.id); + if (hdcp->shim->stream_2_2_encryption) { + ret = hdcp->shim->stream_2_2_encryption(dig_port, false); + if (ret) { + drm_err(&i915->drm, "Failed to disable HDCP 2.2 stream enc\n"); + return ret; + } + } + + if (dig_port->num_hdcp_streams > 0) + return ret; + ret = hdcp2_disable_encryption(connector); if (hdcp2_deauthenticate_port(connector) < 0) @@ -1924,6 +1964,7 @@ static int intel_hdcp2_check_link(struct intel_connector *connector) int ret = 0; mutex_lock(&hdcp->mutex); + mutex_lock(&dig_port->hdcp_mutex); cpu_transcoder = hdcp->cpu_transcoder; /* hdcp2_check_link is expected only when HDCP2.2 is Enabled */ @@ -2001,6 +2042,7 @@ static int intel_hdcp2_check_link(struct intel_connector *connector) } out: + mutex_unlock(&dig_port->hdcp_mutex); mutex_unlock(&hdcp->mutex); return ret; } @@ -2182,7 +2224,7 @@ int intel_hdcp_init(struct intel_connector *connector, if (!shim) return -EINVAL; - if (is_hdcp2_supported(dev_priv) && !connector->mst_port) + if (is_hdcp2_supported(dev_priv)) intel_hdcp2_init(connector, dig_port, shim); ret = -- 2.26.2 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
next prev parent reply other threads:[~2020-10-23 12:36 UTC|newest] Thread overview: 87+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-10-23 12:20 [PATCH v3 00/16] HDCP 2.2 and HDCP 1.4 Gen12 DP MST support Anshuman Gupta 2020-10-23 12:20 ` [Intel-gfx] " Anshuman Gupta 2020-10-23 12:20 ` [PATCH v3 01/16] drm/i915/hdcp: Update CP property in update_pipe Anshuman Gupta 2020-10-23 12:20 ` [Intel-gfx] " Anshuman Gupta 2020-10-27 5:32 ` Shankar, Uma 2020-10-27 5:32 ` [Intel-gfx] " Shankar, Uma 2020-10-27 7:50 ` Anshuman Gupta 2020-10-27 7:50 ` [Intel-gfx] " Anshuman Gupta 2020-10-23 12:20 ` [PATCH v3 02/16] drm/i915/hdcp: Get conn while content_type changed Anshuman Gupta 2020-10-23 12:20 ` [Intel-gfx] " Anshuman Gupta 2020-10-27 5:34 ` Shankar, Uma 2020-10-27 5:34 ` [Intel-gfx] " Shankar, Uma 2020-10-27 5:37 ` Anshuman Gupta 2020-10-27 5:37 ` [Intel-gfx] " Anshuman Gupta 2020-10-23 12:20 ` [PATCH v3 03/16] drm/i915/hotplug: Handle CP_IRQ for DP-MST Anshuman Gupta 2020-10-23 12:20 ` [Intel-gfx] " Anshuman Gupta 2020-10-27 5:43 ` Shankar, Uma 2020-10-27 5:43 ` [Intel-gfx] " Shankar, Uma 2020-10-23 12:21 ` [PATCH v3 04/16] drm/i915/hdcp: DP MST transcoder for link and stream Anshuman Gupta 2020-10-23 12:21 ` [Intel-gfx] " Anshuman Gupta 2020-10-27 5:49 ` Shankar, Uma 2020-10-27 5:49 ` [Intel-gfx] " Shankar, Uma 2020-10-23 12:21 ` [PATCH v3 05/16] drm/i915/hdcp: Move HDCP enc status timeout to header Anshuman Gupta 2020-10-23 12:21 ` [Intel-gfx] " Anshuman Gupta 2020-10-27 5:52 ` Shankar, Uma 2020-10-27 5:52 ` [Intel-gfx] " Shankar, Uma 2020-10-23 12:21 ` [PATCH v3 06/16] drm/i915/hdcp: HDCP stream encryption support Anshuman Gupta 2020-10-23 12:21 ` [Intel-gfx] " Anshuman Gupta 2020-10-27 6:20 ` Shankar, Uma 2020-10-27 6:20 ` [Intel-gfx] " Shankar, Uma 2020-10-27 7:46 ` Anshuman Gupta 2020-10-27 7:46 ` [Intel-gfx] " Anshuman Gupta 2020-10-23 12:21 ` [PATCH v3 07/16] drm/i915/hdcp: Enable Gen12 HDCP 1.4 DP MST support Anshuman Gupta 2020-10-23 12:21 ` [Intel-gfx] " Anshuman Gupta 2020-10-27 6:29 ` Shankar, Uma 2020-10-27 6:29 ` [Intel-gfx] " Shankar, Uma 2020-10-27 7:57 ` Anshuman Gupta 2020-10-27 7:57 ` [Intel-gfx] " Anshuman Gupta 2020-10-27 12:04 ` Anshuman Gupta 2020-10-27 12:04 ` [Intel-gfx] " Anshuman Gupta 2020-10-23 12:21 ` [PATCH v3 08/16] drm/i915/hdcp: Pass dig_port to intel_hdcp_init Anshuman Gupta 2020-10-23 12:21 ` [Intel-gfx] " Anshuman Gupta 2020-10-27 6:30 ` Shankar, Uma 2020-10-27 6:30 ` [Intel-gfx] " Shankar, Uma 2020-10-23 12:21 ` [PATCH v3 09/16] drm/i915/hdcp: Encapsulate hdcp_port_data to dig_port Anshuman Gupta 2020-10-23 12:21 ` [Intel-gfx] " Anshuman Gupta 2020-10-27 6:34 ` Shankar, Uma 2020-10-27 6:34 ` [Intel-gfx] " Shankar, Uma 2020-10-23 12:21 ` [PATCH v3 10/16] misc/mei/hdcp: Fix AUTH_STREAM_REQ cmd buffer len Anshuman Gupta 2020-10-23 12:21 ` [Intel-gfx] " Anshuman Gupta 2020-10-27 6:36 ` Shankar, Uma 2020-10-27 6:36 ` [Intel-gfx] " Shankar, Uma 2020-10-27 6:39 ` Winkler, Tomas 2020-10-27 6:39 ` [Intel-gfx] " Winkler, Tomas 2020-10-23 12:21 ` [PATCH v3 11/16] drm/hdcp: Max MST content streams Anshuman Gupta 2020-10-23 12:21 ` [Intel-gfx] " Anshuman Gupta 2020-10-27 6:41 ` Shankar, Uma 2020-10-27 6:41 ` [Intel-gfx] " Shankar, Uma 2020-10-23 12:21 ` [PATCH v3 12/16] drm/i915/hdcp: MST streams support in hdcp port_data Anshuman Gupta 2020-10-23 12:21 ` [Intel-gfx] " Anshuman Gupta 2020-10-27 6:55 ` Shankar, Uma 2020-10-27 6:55 ` [Intel-gfx] " Shankar, Uma 2020-10-23 12:21 ` [PATCH v3 13/16] drm/i915/hdcp: Pass connector to check_2_2_link Anshuman Gupta 2020-10-23 12:21 ` [Intel-gfx] " Anshuman Gupta 2020-10-27 6:57 ` Shankar, Uma 2020-10-27 6:57 ` [Intel-gfx] " Shankar, Uma 2020-10-23 12:21 ` [PATCH v3 14/16] drm/i915/hdcp: Add HDCP 2.2 stream register Anshuman Gupta 2020-10-23 12:21 ` [Intel-gfx] " Anshuman Gupta 2020-10-27 7:11 ` Shankar, Uma 2020-10-27 7:11 ` [Intel-gfx] " Shankar, Uma 2020-10-27 8:57 ` Anshuman Gupta 2020-10-27 8:57 ` [Intel-gfx] " Anshuman Gupta 2020-10-27 9:50 ` Shankar, Uma 2020-10-27 9:50 ` [Intel-gfx] " Shankar, Uma 2020-10-23 12:21 ` [PATCH v3 15/16] drm/i915/hdcp: Support for HDCP 2.2 MST shim callbacks Anshuman Gupta 2020-10-23 12:21 ` [Intel-gfx] " Anshuman Gupta 2020-10-27 7:20 ` Shankar, Uma 2020-10-27 7:20 ` [Intel-gfx] " Shankar, Uma 2020-10-23 12:21 ` Anshuman Gupta [this message] 2020-10-23 12:21 ` [Intel-gfx] [PATCH v3 16/16] drm/i915/hdcp: Enable HDCP 2.2 MST support Anshuman Gupta 2020-10-27 7:24 ` Shankar, Uma 2020-10-27 7:24 ` [Intel-gfx] " Shankar, Uma 2020-10-23 14:41 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for HDCP 2.2 and HDCP 1.4 Gen12 DP " Patchwork 2020-10-23 14:42 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork 2020-10-23 15:07 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork 2020-10-23 18:54 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork -- strict thread matches above, loose matches on Subject: below -- 2020-10-22 8:55 [PATCH v3 00/16] HDCP 2.2 DP MST Support Anshuman Gupta 2020-10-22 8:55 ` [PATCH v3 16/16] drm/i915/hdcp: Enable HDCP 2.2 MST support Anshuman Gupta
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