>-----Original Message----- >From: dri-devel [mailto:dri-devel-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of >Ramalingam C >Sent: Tuesday, April 3, 2018 7:28 PM >To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx; dri-devel@xxxxxxxxxxxxxxxxxxxxx; >seanpaul@xxxxxxxxxxxx; daniel@xxxxxxxx; chris@xxxxxxxxxxxxxxxxxx; >jani.nikula@xxxxxxxxxxxxxxx; Winkler, Tomas <tomas.winkler@xxxxxxxxx>; >Usyskin, Alexander <alexander.usyskin@xxxxxxxxx> >Cc: Vivi, Rodrigo <rodrigo.vivi@xxxxxxxxx> >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 <ramalingam.c@xxxxxxxxx> >--- > 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 > >_______________________________________________ >dri-devel mailing list >dri-devel@xxxxxxxxxxxxxxxxxxxxx >https://lists.freedesktop.org/mailman/listinfo/dri-devel _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
