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  1.   16379c3e55064ee4420837ba3325a60ee484a6c3
  2.   patches.suse
  3.   1084-drm-amd-display-add-authentication_complete-in-hdcp-.patch
Blob Blame History Raw 
From 6188ebda1dd1eb264d3935a3de946d6951fcd8d3 Mon Sep 17 00:00:00 2001
From: Wenjing Liu <wenjing.liu@amd.com>
Date: Mon, 26 Jul 2021 14:59:03 -0400
Subject: drm/amd/display: add authentication_complete in hdcp output
Git-commit: 0a95fab36a660021c3127476a8df6518fe47a23e
Patch-mainline: v5.15-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225

[why]
DM needs to be notified when hdcp module has completed
authentication attempt.

Reviewed-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Reviewed-by: George Shen <George.Shen@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 .../gpu/drm/amd/display/modules/hdcp/hdcp.c   |  5 +-
 .../gpu/drm/amd/display/modules/hdcp/hdcp.h   |  8 ++
 .../display/modules/hdcp/hdcp1_transition.c   |  8 +-
 .../display/modules/hdcp/hdcp2_transition.c   |  4 +-
 .../drm/amd/display/modules/hdcp/hdcp_log.c   | 74 +++++++++++++++++++
 .../drm/amd/display/modules/hdcp/hdcp_log.h   | 72 ------------------
 .../drm/amd/display/modules/inc/mod_hdcp.h    |  1 +
 7 files changed, 93 insertions(+), 79 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c
index 06d60f031a06..3e81850a7ffe 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c
@@ -145,6 +145,7 @@ static enum mod_hdcp_status transition(struct mod_hdcp *hdcp,
 			} else {
 				callback_in_ms(0, output);
 				set_state_id(hdcp, output, HDCP_CP_NOT_DESIRED);
+				set_auth_complete(hdcp, output);
 			}
 		else if (is_hdmi_dvi_sl_hdcp(hdcp))
 			if (is_cp_desired_hdcp2(hdcp)) {
@@ -156,10 +157,12 @@ static enum mod_hdcp_status transition(struct mod_hdcp *hdcp,
 			} else {
 				callback_in_ms(0, output);
 				set_state_id(hdcp, output, HDCP_CP_NOT_DESIRED);
+				set_auth_complete(hdcp, output);
 			}
 		else {
 			callback_in_ms(0, output);
 			set_state_id(hdcp, output, HDCP_CP_NOT_DESIRED);
+			set_auth_complete(hdcp, output);
 		}
 	} else if (is_in_cp_not_desired_state(hdcp)) {
 		increment_stay_counter(hdcp);
@@ -520,7 +523,7 @@ enum mod_hdcp_status mod_hdcp_process_event(struct mod_hdcp *hdcp,
 
 	/* reset authentication if needed */
 	if (trans_status == MOD_HDCP_STATUS_RESET_NEEDED) {
-		HDCP_FULL_DDC_TRACE(hdcp);
+		mod_hdcp_log_ddc_trace(hdcp);
 		reset_status = reset_authentication(hdcp, output);
 		if (reset_status != MOD_HDCP_STATUS_SUCCESS)
 			push_error_status(hdcp, reset_status);
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h
index 7123f0915706..399fbca8947b 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h
@@ -324,6 +324,7 @@ enum mod_hdcp_status mod_hdcp_hdcp2_dp_transition(struct mod_hdcp *hdcp,
 /* log functions */
 void mod_hdcp_dump_binary_message(uint8_t *msg, uint32_t msg_size,
 		uint8_t *buf, uint32_t buf_size);
+void mod_hdcp_log_ddc_trace(struct mod_hdcp *hdcp);
 /* TODO: add adjustment log */
 
 /* psp functions */
@@ -494,6 +495,13 @@ static inline void set_watchdog_in_ms(struct mod_hdcp *hdcp, uint16_t time,
 	output->watchdog_timer_delay = time;
 }
 
+static inline void set_auth_complete(struct mod_hdcp *hdcp,
+		struct mod_hdcp_output *output)
+{
+	output->auth_complete = 1;
+	mod_hdcp_log_ddc_trace(hdcp);
+}
+
 /* connection topology helpers */
 static inline uint8_t is_display_active(struct mod_hdcp_display *display)
 {
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_transition.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_transition.c
index 3dda8c1d83fc..7f011196ce98 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_transition.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_transition.c
@@ -89,7 +89,7 @@ enum mod_hdcp_status mod_hdcp_hdcp1_transition(struct mod_hdcp *hdcp,
 		} else {
 			callback_in_ms(0, output);
 			set_state_id(hdcp, output, H1_A45_AUTHENTICATED);
-			HDCP_FULL_DDC_TRACE(hdcp);
+			set_auth_complete(hdcp, output);
 		}
 		break;
 	case H1_A45_AUTHENTICATED:
@@ -137,7 +137,7 @@ enum mod_hdcp_status mod_hdcp_hdcp1_transition(struct mod_hdcp *hdcp,
 		}
 		callback_in_ms(0, output);
 		set_state_id(hdcp, output, H1_A45_AUTHENTICATED);
-		HDCP_FULL_DDC_TRACE(hdcp);
+		set_auth_complete(hdcp, output);
 		break;
 	default:
 		status = MOD_HDCP_STATUS_INVALID_STATE;
@@ -239,7 +239,7 @@ enum mod_hdcp_status mod_hdcp_hdcp1_dp_transition(struct mod_hdcp *hdcp,
 			set_state_id(hdcp, output, D1_A6_WAIT_FOR_READY);
 		} else {
 			set_state_id(hdcp, output, D1_A4_AUTHENTICATED);
-			HDCP_FULL_DDC_TRACE(hdcp);
+			set_auth_complete(hdcp, output);
 		}
 		break;
 	case D1_A4_AUTHENTICATED:
@@ -311,7 +311,7 @@ enum mod_hdcp_status mod_hdcp_hdcp1_dp_transition(struct mod_hdcp *hdcp,
 			break;
 		}
 		set_state_id(hdcp, output, D1_A4_AUTHENTICATED);
-		HDCP_FULL_DDC_TRACE(hdcp);
+		set_auth_complete(hdcp, output);
 		break;
 	default:
 		fail_and_restart_in_ms(0, &status, output);
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_transition.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_transition.c
index 70cb230d8f56..1f4095b26409 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_transition.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_transition.c
@@ -242,7 +242,7 @@ enum mod_hdcp_status mod_hdcp_hdcp2_transition(struct mod_hdcp *hdcp,
 		}
 		callback_in_ms(0, output);
 		set_state_id(hdcp, output, H2_A5_AUTHENTICATED);
-		HDCP_FULL_DDC_TRACE(hdcp);
+		set_auth_complete(hdcp, output);
 		break;
 	case H2_A5_AUTHENTICATED:
 		if (input->rxstatus_read == FAIL ||
@@ -559,7 +559,7 @@ enum mod_hdcp_status mod_hdcp_hdcp2_dp_transition(struct mod_hdcp *hdcp,
 			break;
 		}
 		set_state_id(hdcp, output, D2_A5_AUTHENTICATED);
-		HDCP_FULL_DDC_TRACE(hdcp);
+		set_auth_complete(hdcp, output);
 		break;
 	case D2_A5_AUTHENTICATED:
 		if (input->rxstatus_read == FAIL ||
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.c
index 1a0f7c3dc964..6b3b5f610907 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.c
@@ -51,6 +51,80 @@ void mod_hdcp_dump_binary_message(uint8_t *msg, uint32_t msg_size,
 	}
 }
 
+void mod_hdcp_log_ddc_trace(struct mod_hdcp *hdcp)
+{
+	if (is_hdcp1(hdcp)) {
+		HDCP_DDC_READ_TRACE(hdcp, "BKSV", hdcp->auth.msg.hdcp1.bksv,
+				sizeof(hdcp->auth.msg.hdcp1.bksv));
+		HDCP_DDC_READ_TRACE(hdcp, "BCAPS", &hdcp->auth.msg.hdcp1.bcaps,
+				sizeof(hdcp->auth.msg.hdcp1.bcaps));
+		HDCP_DDC_READ_TRACE(hdcp, "BSTATUS",
+				(uint8_t *)&hdcp->auth.msg.hdcp1.bstatus,
+				sizeof(hdcp->auth.msg.hdcp1.bstatus));
+		HDCP_DDC_WRITE_TRACE(hdcp, "AN", hdcp->auth.msg.hdcp1.an,
+				sizeof(hdcp->auth.msg.hdcp1.an));
+		HDCP_DDC_WRITE_TRACE(hdcp, "AKSV", hdcp->auth.msg.hdcp1.aksv,
+				sizeof(hdcp->auth.msg.hdcp1.aksv));
+		HDCP_DDC_WRITE_TRACE(hdcp, "AINFO", &hdcp->auth.msg.hdcp1.ainfo,
+				sizeof(hdcp->auth.msg.hdcp1.ainfo));
+		HDCP_DDC_READ_TRACE(hdcp, "RI' / R0'",
+				(uint8_t *)&hdcp->auth.msg.hdcp1.r0p,
+				sizeof(hdcp->auth.msg.hdcp1.r0p));
+		HDCP_DDC_READ_TRACE(hdcp, "BINFO",
+				(uint8_t *)&hdcp->auth.msg.hdcp1.binfo_dp,
+				sizeof(hdcp->auth.msg.hdcp1.binfo_dp));
+		HDCP_DDC_READ_TRACE(hdcp, "KSVLIST", hdcp->auth.msg.hdcp1.ksvlist,
+				hdcp->auth.msg.hdcp1.ksvlist_size);
+		HDCP_DDC_READ_TRACE(hdcp, "V'", hdcp->auth.msg.hdcp1.vp,
+				sizeof(hdcp->auth.msg.hdcp1.vp));
+	} else if (is_hdcp2(hdcp)) {
+		HDCP_DDC_READ_TRACE(hdcp, "HDCP2Version",
+				&hdcp->auth.msg.hdcp2.hdcp2version_hdmi,
+				sizeof(hdcp->auth.msg.hdcp2.hdcp2version_hdmi));
+		HDCP_DDC_READ_TRACE(hdcp, "Rx Caps", hdcp->auth.msg.hdcp2.rxcaps_dp,
+				sizeof(hdcp->auth.msg.hdcp2.rxcaps_dp));
+		HDCP_DDC_WRITE_TRACE(hdcp, "AKE Init", hdcp->auth.msg.hdcp2.ake_init,
+				sizeof(hdcp->auth.msg.hdcp2.ake_init));
+		HDCP_DDC_READ_TRACE(hdcp, "AKE Cert", hdcp->auth.msg.hdcp2.ake_cert,
+				sizeof(hdcp->auth.msg.hdcp2.ake_cert));
+		HDCP_DDC_WRITE_TRACE(hdcp, "Stored KM",
+				hdcp->auth.msg.hdcp2.ake_stored_km,
+				sizeof(hdcp->auth.msg.hdcp2.ake_stored_km));
+		HDCP_DDC_WRITE_TRACE(hdcp, "No Stored KM",
+				hdcp->auth.msg.hdcp2.ake_no_stored_km,
+				sizeof(hdcp->auth.msg.hdcp2.ake_no_stored_km));
+		HDCP_DDC_READ_TRACE(hdcp, "H'", hdcp->auth.msg.hdcp2.ake_h_prime,
+				sizeof(hdcp->auth.msg.hdcp2.ake_h_prime));
+		HDCP_DDC_READ_TRACE(hdcp, "Pairing Info",
+				hdcp->auth.msg.hdcp2.ake_pairing_info,
+				sizeof(hdcp->auth.msg.hdcp2.ake_pairing_info));
+		HDCP_DDC_WRITE_TRACE(hdcp, "LC Init", hdcp->auth.msg.hdcp2.lc_init,
+				sizeof(hdcp->auth.msg.hdcp2.lc_init));
+		HDCP_DDC_READ_TRACE(hdcp, "L'", hdcp->auth.msg.hdcp2.lc_l_prime,
+				sizeof(hdcp->auth.msg.hdcp2.lc_l_prime));
+		HDCP_DDC_WRITE_TRACE(hdcp, "Exchange KS", hdcp->auth.msg.hdcp2.ske_eks,
+				sizeof(hdcp->auth.msg.hdcp2.ske_eks));
+		HDCP_DDC_READ_TRACE(hdcp, "Rx Status",
+				(uint8_t *)&hdcp->auth.msg.hdcp2.rxstatus,
+				sizeof(hdcp->auth.msg.hdcp2.rxstatus));
+		HDCP_DDC_READ_TRACE(hdcp, "Rx Id List",
+				hdcp->auth.msg.hdcp2.rx_id_list,
+				hdcp->auth.msg.hdcp2.rx_id_list_size);
+		HDCP_DDC_WRITE_TRACE(hdcp, "Rx Id List Ack",
+				hdcp->auth.msg.hdcp2.repeater_auth_ack,
+				sizeof(hdcp->auth.msg.hdcp2.repeater_auth_ack));
+		HDCP_DDC_WRITE_TRACE(hdcp, "Content Stream Management",
+				hdcp->auth.msg.hdcp2.repeater_auth_stream_manage,
+				hdcp->auth.msg.hdcp2.stream_manage_size);
+		HDCP_DDC_READ_TRACE(hdcp, "Stream Ready",
+				hdcp->auth.msg.hdcp2.repeater_auth_stream_ready,
+				sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_ready));
+		HDCP_DDC_WRITE_TRACE(hdcp, "Content Stream Type",
+				hdcp->auth.msg.hdcp2.content_stream_type_dp,
+				sizeof(hdcp->auth.msg.hdcp2.content_stream_type_dp));
+	}
+}
+
 char *mod_hdcp_status_to_str(int32_t status)
 {
 	switch (status) {
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.h b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.h
index 47f8ee2832ff..eb6f9b9c504a 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.h
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.h
@@ -106,78 +106,6 @@
 				hdcp->config.index, msg_name,\
 				hdcp->buf); \
 } while (0)
-#define HDCP_FULL_DDC_TRACE(hdcp) do { \
-	if (is_hdcp1(hdcp)) { \
-		HDCP_DDC_READ_TRACE(hdcp, "BKSV", hdcp->auth.msg.hdcp1.bksv, \
-				sizeof(hdcp->auth.msg.hdcp1.bksv)); \
-		HDCP_DDC_READ_TRACE(hdcp, "BCAPS", &hdcp->auth.msg.hdcp1.bcaps, \
-				sizeof(hdcp->auth.msg.hdcp1.bcaps)); \
-		HDCP_DDC_READ_TRACE(hdcp, "BSTATUS", \
-				(uint8_t *)&hdcp->auth.msg.hdcp1.bstatus, \
-				sizeof(hdcp->auth.msg.hdcp1.bstatus)); \
-		HDCP_DDC_WRITE_TRACE(hdcp, "AN", hdcp->auth.msg.hdcp1.an, \
-				sizeof(hdcp->auth.msg.hdcp1.an)); \
-		HDCP_DDC_WRITE_TRACE(hdcp, "AKSV", hdcp->auth.msg.hdcp1.aksv, \
-				sizeof(hdcp->auth.msg.hdcp1.aksv)); \
-		HDCP_DDC_WRITE_TRACE(hdcp, "AINFO", &hdcp->auth.msg.hdcp1.ainfo, \
-				sizeof(hdcp->auth.msg.hdcp1.ainfo)); \
-		HDCP_DDC_READ_TRACE(hdcp, "RI' / R0'", \
-				(uint8_t *)&hdcp->auth.msg.hdcp1.r0p, \
-				sizeof(hdcp->auth.msg.hdcp1.r0p)); \
-		HDCP_DDC_READ_TRACE(hdcp, "BINFO", \
-				(uint8_t *)&hdcp->auth.msg.hdcp1.binfo_dp, \
-				sizeof(hdcp->auth.msg.hdcp1.binfo_dp)); \
-		HDCP_DDC_READ_TRACE(hdcp, "KSVLIST", hdcp->auth.msg.hdcp1.ksvlist, \
-				hdcp->auth.msg.hdcp1.ksvlist_size); \
-		HDCP_DDC_READ_TRACE(hdcp, "V'", hdcp->auth.msg.hdcp1.vp, \
-				sizeof(hdcp->auth.msg.hdcp1.vp)); \
-	} else { \
-		HDCP_DDC_READ_TRACE(hdcp, "HDCP2Version", \
-				&hdcp->auth.msg.hdcp2.hdcp2version_hdmi, \
-				sizeof(hdcp->auth.msg.hdcp2.hdcp2version_hdmi)); \
-		HDCP_DDC_READ_TRACE(hdcp, "Rx Caps", hdcp->auth.msg.hdcp2.rxcaps_dp, \
-				sizeof(hdcp->auth.msg.hdcp2.rxcaps_dp)); \
-		HDCP_DDC_WRITE_TRACE(hdcp, "AKE Init", hdcp->auth.msg.hdcp2.ake_init, \
-				sizeof(hdcp->auth.msg.hdcp2.ake_init)); \
-		HDCP_DDC_READ_TRACE(hdcp, "AKE Cert", hdcp->auth.msg.hdcp2.ake_cert, \
-				sizeof(hdcp->auth.msg.hdcp2.ake_cert)); \
-		HDCP_DDC_WRITE_TRACE(hdcp, "Stored KM", \
-				hdcp->auth.msg.hdcp2.ake_stored_km, \
-				sizeof(hdcp->auth.msg.hdcp2.ake_stored_km)); \
-		HDCP_DDC_WRITE_TRACE(hdcp, "No Stored KM", \
-				hdcp->auth.msg.hdcp2.ake_no_stored_km, \
-				sizeof(hdcp->auth.msg.hdcp2.ake_no_stored_km)); \
-		HDCP_DDC_READ_TRACE(hdcp, "H'", hdcp->auth.msg.hdcp2.ake_h_prime, \
-				sizeof(hdcp->auth.msg.hdcp2.ake_h_prime)); \
-		HDCP_DDC_READ_TRACE(hdcp, "Pairing Info", \
-				hdcp->auth.msg.hdcp2.ake_pairing_info, \
-				sizeof(hdcp->auth.msg.hdcp2.ake_pairing_info)); \
-		HDCP_DDC_WRITE_TRACE(hdcp, "LC Init", hdcp->auth.msg.hdcp2.lc_init, \
-				sizeof(hdcp->auth.msg.hdcp2.lc_init)); \
-		HDCP_DDC_READ_TRACE(hdcp, "L'", hdcp->auth.msg.hdcp2.lc_l_prime, \
-				sizeof(hdcp->auth.msg.hdcp2.lc_l_prime)); \
-		HDCP_DDC_WRITE_TRACE(hdcp, "Exchange KS", hdcp->auth.msg.hdcp2.ske_eks, \
-				sizeof(hdcp->auth.msg.hdcp2.ske_eks)); \
-		HDCP_DDC_READ_TRACE(hdcp, "Rx Status", \
-				(uint8_t *)&hdcp->auth.msg.hdcp2.rxstatus, \
-				sizeof(hdcp->auth.msg.hdcp2.rxstatus)); \
-		HDCP_DDC_READ_TRACE(hdcp, "Rx Id List", \
-				hdcp->auth.msg.hdcp2.rx_id_list, \
-				hdcp->auth.msg.hdcp2.rx_id_list_size); \
-		HDCP_DDC_WRITE_TRACE(hdcp, "Rx Id List Ack", \
-				hdcp->auth.msg.hdcp2.repeater_auth_ack, \
-				sizeof(hdcp->auth.msg.hdcp2.repeater_auth_ack)); \
-		HDCP_DDC_WRITE_TRACE(hdcp, "Content Stream Management", \
-				hdcp->auth.msg.hdcp2.repeater_auth_stream_manage, \
-				hdcp->auth.msg.hdcp2.stream_manage_size); \
-		HDCP_DDC_READ_TRACE(hdcp, "Stream Ready", \
-				hdcp->auth.msg.hdcp2.repeater_auth_stream_ready, \
-				sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_ready)); \
-		HDCP_DDC_WRITE_TRACE(hdcp, "Content Stream Type", \
-				hdcp->auth.msg.hdcp2.content_stream_type_dp, \
-				sizeof(hdcp->auth.msg.hdcp2.content_stream_type_dp)); \
-	} \
-} while (0)
 #define HDCP_TOP_ADD_DISPLAY_TRACE(hdcp, i) \
 		HDCP_LOG_TOP(hdcp, "[Link %d]\tadd display %d", \
 				hdcp->config.index, i)
diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h b/drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h
index a6eb86de8d5c..f37101f5a777 100644
--- a/drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h
+++ b/drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h
@@ -225,6 +225,7 @@ struct mod_hdcp_output {
 	uint8_t watchdog_timer_stop;
 	uint16_t callback_delay;
 	uint16_t watchdog_timer_delay;
+	uint8_t auth_complete;
 };
 
 /* used to represent per display info */
-- 
2.38.1
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