On 2020-11-11 at 11:50:48 +0530, Anshuman Gupta wrote:
> This requires for HDCP 2.2 MST check link.
> As for DP/HDMI shims check_2_2_link retrieves the connector
> from dig_port, this is not sufficient or DP MST connector,
> there can be multiple DP MST topology connector associated
> with same dig_port.
Reviewed-by: Ramalingam C <ramalingam.c@xxxxxxxxx>
>
> Cc: Ramalingam C <ramalingam.c@xxxxxxxxx>
> Reviewed-by: Uma Shankar <uma.shankar@xxxxxxxxx>
> Signed-off-by: Anshuman Gupta <anshuman.gupta@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_display_types.h | 3 ++-
> drivers/gpu/drm/i915/display/intel_dp_hdcp.c | 3 ++-
> drivers/gpu/drm/i915/display/intel_hdcp.c | 2 +-
> drivers/gpu/drm/i915/display/intel_hdmi.c | 3 ++-
> 4 files changed, 7 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
> index b93ecf4f21e3..d2c744b8b461 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_types.h
> +++ b/drivers/gpu/drm/i915/display/intel_display_types.h
> @@ -375,7 +375,8 @@ struct intel_hdcp_shim {
> bool is_repeater, u8 type);
>
> /* HDCP2.2 Link Integrity Check */
> - int (*check_2_2_link)(struct intel_digital_port *dig_port);
> + int (*check_2_2_link)(struct intel_digital_port *dig_port,
> + struct intel_connector *connector);
> };
>
> struct intel_hdcp {
> diff --git a/drivers/gpu/drm/i915/display/intel_dp_hdcp.c b/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
> index f643d3af59bb..c094839d15d1 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
> @@ -585,7 +585,8 @@ int intel_dp_hdcp2_config_stream_type(struct intel_digital_port *dig_port,
> }
>
> static
> -int intel_dp_hdcp2_check_link(struct intel_digital_port *dig_port)
> +int intel_dp_hdcp2_check_link(struct intel_digital_port *dig_port,
> + struct intel_connector *connector)
> {
> u8 rx_status;
> int ret;
> diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c
> index 6a48110c7cd7..0c10afc42f01 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdcp.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
> @@ -1942,7 +1942,7 @@ static int intel_hdcp2_check_link(struct intel_connector *connector)
> goto out;
> }
>
> - ret = hdcp->shim->check_2_2_link(dig_port);
> + ret = hdcp->shim->check_2_2_link(dig_port, connector);
> if (ret == HDCP_LINK_PROTECTED) {
> if (hdcp->value != DRM_MODE_CONTENT_PROTECTION_UNDESIRED) {
> intel_hdcp_update_value(connector,
> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
> index 0788de04711b..bd0d91101464 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
> @@ -1734,7 +1734,8 @@ int intel_hdmi_hdcp2_read_msg(struct intel_digital_port *dig_port,
> }
>
> static
> -int intel_hdmi_hdcp2_check_link(struct intel_digital_port *dig_port)
> +int intel_hdmi_hdcp2_check_link(struct intel_digital_port *dig_port,
> + struct intel_connector *connector)
> {
> u8 rx_status[HDCP_2_2_HDMI_RXSTATUS_LEN];
> int ret;
> --
> 2.26.2
>
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