>
> I915 needs to send the index of the transcoder as per ME FW.
>
> To support this, define enum mei_fw_tc and add as a member into the struct
> hdcp_port_data.
>
> v2:
> Typo in commit msg is fixed [Shashank]
>
> Signed-off-by: Ramalingam C <ramalingam.c@xxxxxxxxx>
> Acked-by: Jani Nikula <jani.nikula@xxxxxxxxx>
> ---
> include/drm/i915_mei_hdcp_interface.h | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/include/drm/i915_mei_hdcp_interface.h
> b/include/drm/i915_mei_hdcp_interface.h
> index a97acf1c9710..0de629bf2f62 100644
> --- a/include/drm/i915_mei_hdcp_interface.h
> +++ b/include/drm/i915_mei_hdcp_interface.h
> @@ -54,9 +54,21 @@ enum mei_fw_ddi {
> MEI_DDI_RANGE_END = MEI_DDI_A,
> };
>
> +enum mei_fw_tc {
> + MEI_INVALID_TRANSCODER = 0x00, /* Invalid transcoder type */
> + MEI_TC_EDP, /* Transcoder for eDP */
> + MEI_TC_DSI0, /* Transcoder for DSI0 */
> + MEI_TC_DSI1, /* Transcoder for DSI1 */
> + MEI_TC_A = 0x10, /* Transcoder TCA */
> + MEI_TC_B, /* Transcoder TCB */
> + MEI_TC_C, /* Transcoder TCC */
> + MEI_TC_D /* Transcoder TCD */
> +};
You should use kdoc format here, please. https://www.kernel.org/doc/html/v5.2/doc-guide/kernel-doc.html
Also TCA just means Transcoder A or TC has other meaning?
> +
> /**
> * struct hdcp_port_data - intel specific HDCP port data
> * @fw_ddi: ddi index as per ME FW
> + * @fw_tc: transcoder index as per ME FW
> * @port_type: HDCP port type as per ME FW classification
> * @protocol: HDCP adaptation as per ME FW
> * @k: No of streams transmitted on a port. Only on DP MST this is != 1 @@ -
> 69,6 +81,7 @@ enum mei_fw_ddi {
> */
> struct hdcp_port_data {
> enum mei_fw_ddi fw_ddi;
> + enum mei_fw_tc fw_tc;
> u8 port_type;
> u8 protocol;
> u16 k;
> --
> 2.20.1
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