> -----Original Message-----
> From: Anshuman Gupta <anshuman.gu...@intel.com>
> Sent: Friday, October 23, 2020 5:51 PM
> To: intel-gfx@lists.freedesktop.org; dri-de...@lists.freedesktop.org
> Cc: seanp...@chromium.org; Nikula, Jani <jani.nik...@intel.com>; C,
> Ramalingam <ramalinga...@intel.com>; Li, Juston <juston...@intel.com>;
> Shankar, Uma <uma.shan...@intel.com>; Gupta, Anshuman
> <anshuman.gu...@intel.com>
> Subject: [PATCH v3 08/16] drm/i915/hdcp: Pass dig_port to intel_hdcp_init
>
> Pass dig_port as an argument to intel_hdcp_init() and intel_hdcp2_init().
> This will be required for HDCP 2.2 stream encryption.
Looks Good to me.
Reviewed-by: Uma Shankar <uma.shan...@intel.com>
> Cc: Ramalingam C <ramalinga...@intel.com>
> Signed-off-by: Anshuman Gupta <anshuman.gu...@intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_dp_hdcp.c | 4 ++--
> drivers/gpu/drm/i915/display/intel_hdcp.c | 12 +++++++-----
> drivers/gpu/drm/i915/display/intel_hdcp.h | 4 +++-
> drivers/gpu/drm/i915/display/intel_hdmi.c | 2 +-
> 4 files changed, 13 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
> b/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
> index 652d4645f255..384e384cb9e2 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
> @@ -751,10 +751,10 @@ int intel_dp_init_hdcp(struct intel_digital_port
> *dig_port,
> return 0;
>
> if (intel_connector->mst_port)
> - return intel_hdcp_init(intel_connector, port,
> + return intel_hdcp_init(intel_connector, dig_port,
> &intel_dp_mst_hdcp_shim);
> else if (!intel_dp_is_edp(intel_dp))
> - return intel_hdcp_init(intel_connector, port,
> + return intel_hdcp_init(intel_connector, dig_port,
> &intel_dp_hdcp_shim);
>
> return 0;
> diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c
> b/drivers/gpu/drm/i915/display/intel_hdcp.c
> index 46c9bd588db1..10770bf0e85e 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdcp.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
> @@ -1985,12 +1985,13 @@ static enum mei_fw_tc intel_get_mei_fw_tc(enum
> transcoder cpu_transcoder) }
>
> static int initialize_hdcp_port_data(struct intel_connector *connector,
> - enum port port,
> + struct intel_digital_port *dig_port,
> const struct intel_hdcp_shim *shim) {
> struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
> struct intel_hdcp *hdcp = &connector->hdcp;
> struct hdcp_port_data *data = &hdcp->port_data;
> + enum port port = dig_port->base.port;
>
> if (INTEL_GEN(dev_priv) < 12)
> data->fw_ddi = intel_get_mei_fw_ddi_index(port); @@ -2063,14
> +2064,15 @@ void intel_hdcp_component_init(struct drm_i915_private
> *dev_priv)
> }
> }
>
> -static void intel_hdcp2_init(struct intel_connector *connector, enum port
> port,
> +static void intel_hdcp2_init(struct intel_connector *connector,
> + struct intel_digital_port *dig_port,
> const struct intel_hdcp_shim *shim) {
> struct drm_i915_private *i915 = to_i915(connector->base.dev);
> struct intel_hdcp *hdcp = &connector->hdcp;
> int ret;
>
> - ret = initialize_hdcp_port_data(connector, port, shim);
> + ret = initialize_hdcp_port_data(connector, dig_port, shim);
> if (ret) {
> drm_dbg_kms(&i915->drm, "Mei hdcp data init failed\n");
> return;
> @@ -2080,7 +2082,7 @@ static void intel_hdcp2_init(struct intel_connector
> *connector, enum port port, }
>
> int intel_hdcp_init(struct intel_connector *connector,
> - enum port port,
> + struct intel_digital_port *dig_port,
> const struct intel_hdcp_shim *shim) {
> struct drm_i915_private *dev_priv = to_i915(connector->base.dev); @@ -
> 2091,7 +2093,7 @@ int intel_hdcp_init(struct intel_connector *connector,
> return -EINVAL;
>
> if (is_hdcp2_supported(dev_priv) && !connector->mst_port)
> - intel_hdcp2_init(connector, port, shim);
> + intel_hdcp2_init(connector, dig_port, shim);
>
> ret =
> drm_connector_attach_content_protection_property(&connector->base,
> diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.h
> b/drivers/gpu/drm/i915/display/intel_hdcp.h
> index b912a3a0f5b8..8f53b0c7fe5c 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdcp.h
> +++ b/drivers/gpu/drm/i915/display/intel_hdcp.h
> @@ -18,13 +18,15 @@ struct intel_connector; struct intel_crtc_state; struct
> intel_encoder; struct intel_hdcp_shim;
> +struct intel_digital_port;
> enum port;
> enum transcoder;
>
> void intel_hdcp_atomic_check(struct drm_connector *connector,
> struct drm_connector_state *old_state,
> struct drm_connector_state *new_state); -int
> intel_hdcp_init(struct intel_connector *connector, enum port port,
> +int intel_hdcp_init(struct intel_connector *connector,
> + struct intel_digital_port *dig_port,
> const struct intel_hdcp_shim *hdcp_shim); int
> intel_hdcp_enable(struct intel_connector *connector,
> const struct intel_crtc_state *pipe_config, u8
> content_type);
> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c
> b/drivers/gpu/drm/i915/display/intel_hdmi.c
> index f58469226694..0788de04711b 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
> @@ -3302,7 +3302,7 @@ void intel_hdmi_init_connector(struct
> intel_digital_port *dig_port,
> intel_hdmi->attached_connector = intel_connector;
>
> if (is_hdcp_supported(dev_priv, port)) {
> - int ret = intel_hdcp_init(intel_connector, port,
> + int ret = intel_hdcp_init(intel_connector, dig_port,
> &intel_hdmi_hdcp_shim);
> if (ret)
> drm_dbg_kms(&dev_priv->drm,
> --
> 2.26.2
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