>-----Original Message-----
>From: dri-devel [mailto:dri-devel-boun...@lists.freedesktop.org] On Behalf Of
>Ramalingam C
>Sent: Tuesday, April 3, 2018 7:28 PM
>To: intel-gfx@lists.freedesktop.org; dri-de...@lists.freedesktop.org;
>seanp...@chromium.org; dan...@ffwll.ch; ch...@chris-wilson.co.uk;
>jani.nik...@linux.intel.com; Winkler, Tomas <tomas.wink...@intel.com>;
>Usyskin, Alexander <alexander.usys...@intel.com>
>Cc: Vivi, Rodrigo <rodrigo.v...@intel.com>
>Subject: [PATCH v3 20/40] drm/i915: Define HDCP2.2 related variables
>
>For upcoming implementation of HDCP2.2 in I915, important variable required for
>HDCP2.2 are defined.
>
>HDCP_shim is extended to support encoder specific HDCP2.2 flows.
>
>v2:
> 1.4 shim is extended to support hdcp2.2. [Sean Paul]
> platform's/panel's hdcp ver capability is removed. [Sean Paul]
> mei references in i915_private are moved to later patches. [Chris Wilson]
>v3:
> mei_cl_device ref is moved into intel_hdcp
>
>Signed-off-by: Ramalingam C <ramalinga...@intel.com>
>---
> drivers/gpu/drm/i915/intel_drv.h | 61
>++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 61 insertions(+)
>
>diff --git a/drivers/gpu/drm/i915/intel_drv.h
>b/drivers/gpu/drm/i915/intel_drv.h
>index fdffcb833cd2..ca06d9a158f6 100644
>--- a/drivers/gpu/drm/i915/intel_drv.h
>+++ b/drivers/gpu/drm/i915/intel_drv.h
>@@ -29,6 +29,7 @@
> #include <linux/i2c.h>
> #include <linux/hdmi.h>
> #include <linux/sched/clock.h>
>+#include <linux/mei_hdcp.h>
> #include <drm/i915_drm.h>
> #include "i915_drv.h"
> #include <drm/drm_crtc.h>
>@@ -375,6 +376,32 @@ struct intel_hdcp_shim {
> /* Detects panel's hdcp capability. This is optional for HDMI. */
> int (*hdcp_capable)(struct intel_digital_port *intel_dig_port,
> bool *hdcp_capable);
>+
>+ /* Write HDCP2.2 messages */
>+ int (*write_2_2_msg)(struct intel_digital_port *intel_dig_port,
>+ void *buf, size_t size);
>+
>+ /* Read HDCP2.2 messages */
>+ int (*read_2_2_msg)(struct intel_digital_port *intel_dig_port,
>+ uint8_t msg_id, void *buf, size_t size);
>+
>+ /*
>+ * Implementation of DP HDCP2.2 Errata for the communication of
>stream
>+ * type to Receivers. In DP HDCP2.2 Stream type is one of the input to
>+ * the HDCP2.2 Chiper for En/De-Cryption. Not applicable for HDMI.
>+ */
>+ int (*config_stream_type)(struct intel_digital_port *intel_dig_port,
>+ void *buf, size_t size);
>+
>+ /* HDCP2.2 Link Integrity Check */
>+ int (*check_2_2_link)(struct intel_digital_port *intel_dig_port);
>+
>+ /* Detects whether Panel is HDCP2.2 capable */
>+ int (*hdcp_2_2_capable)(struct intel_digital_port *intel_dig_port,
>+ bool *capable);
>+
>+ /* Detects the HDCP protocol(DP/HDMI) required on the port */
>+ enum hdcp_protocol (*hdcp_protocol)(void);
> };
>
> struct intel_hdcp {
>@@ -383,6 +410,40 @@ struct intel_hdcp {
> uint64_t hdcp_value; /* protected by hdcp_mutex */
> struct delayed_work hdcp_check_work;
> struct work_struct hdcp_prop_work;
>+
>+ /** HDCP2.2 related definitions **/
Drop extra *.
>+ bool hdcp2_supported;
>+
>+ /*
>+ * Content Stream Type defined by content owner. TYPE0(0x0) content
>can
>+ * flow in the link protected by HDCP2.2 or HDCP1.4, where as
>TYPE1(0x1)
>+ * content can flow only through a link protected by HDCP2.2.
>+ */
>+ u8 content_type;
>+
>+ bool is_paired;
>+ bool is_repeater;
>+
>+ /*
>+ * Count of ReceiverID_List received. Initialized to 0 at AKE_INIT.
>+ * Incremented after processing the RepeaterAuth_Send_ReceiverID_List.
>+ * When it rolls over re-auth has to be triggered.
>+ */
>+ uint32_t seq_num_v;
>+
>+ /*
>+ * Count of RepeaterAuth_Stream_Manage msg propagated.
>+ * Initialized to 0 on AKE_INIT. Incremented after every successful
>+ * transmission of RepeaterAuth_Stream_Manage message. When it rolls
>+ * over re-Auth has to be triggered.
>+ */
>+ uint32_t seq_num_m;
>+
>+ /* mei interface related information */
>+ struct mei_cl_device *cldev;
>+ struct mei_hdcp_data mei_data;
>+
>+ struct delayed_work hdcp2_check_work;
> };
>
> struct intel_connector {
>--
>2.7.4
>
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