6 files changed, 238 insertions, 18 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h
index caf961bb633f..365fbc4758e1 100644
--- a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h
+++ b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h
@@ -84,6 +84,7 @@ enum dmub_status {
 	DMUB_STATUS_QUEUE_FULL,
 	DMUB_STATUS_TIMEOUT,
 	DMUB_STATUS_INVALID,
+	DMUB_STATUS_HW_FAILURE,
 };
 
 /* enum dmub_asic - dmub asic identifier */
@@ -118,6 +119,7 @@ enum dmub_notification_type {
 	DMUB_NOTIFICATION_AUX_REPLY,
 	DMUB_NOTIFICATION_HPD,
 	DMUB_NOTIFICATION_HPD_IRQ,
+	DMUB_NOTIFICATION_SET_CONFIG_REPLY,
 	DMUB_NOTIFICATION_MAX
 };
 
@@ -235,6 +237,7 @@ struct dmub_srv_hw_params {
 	bool load_inst_const;
 	bool skip_panel_power_sequence;
 	bool disable_z10;
+	bool disable_dpia;
 };
 
 /**
@@ -358,6 +361,8 @@ struct dmub_srv_hw_funcs {
 	uint32_t (*get_current_time)(struct dmub_srv *dmub);
 
 	void (*get_diagnostic_data)(struct dmub_srv *dmub, struct dmub_diagnostic_data *dmub_oca);
+
+	bool (*should_detect)(struct dmub_srv *dmub);
 };
 
 /**
@@ -437,6 +442,7 @@ struct dmub_notification {
 	union {
 		struct aux_reply_data aux_reply;
 		enum dp_hpd_status hpd_status;
+		enum set_config_status sc_status;
 	};
 };
 
@@ -724,6 +730,8 @@ bool dmub_srv_get_outbox0_msg(struct dmub_srv *dmub, struct dmcub_trace_buf_entr
 
 bool dmub_srv_get_diagnostic_data(struct dmub_srv *dmub, struct dmub_diagnostic_data *diag_data);
 
+bool dmub_srv_should_detect(struct dmub_srv *dmub);
+
 #if defined(__cplusplus)
 }
 #endif
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
index 7efe9ba8706e..0b9d6bf4886d 100644
--- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
+++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
@@ -46,10 +46,10 @@
 
 /* Firmware versioning. */
 #ifdef DMUB_EXPOSE_VERSION
-#define DMUB_FW_VERSION_GIT_HASH 0x7383caadc
+#define DMUB_FW_VERSION_GIT_HASH 0xf0c64c97
 #define DMUB_FW_VERSION_MAJOR 0
 #define DMUB_FW_VERSION_MINOR 0
-#define DMUB_FW_VERSION_REVISION 79
+#define DMUB_FW_VERSION_REVISION 87
 #define DMUB_FW_VERSION_TEST 0
 #define DMUB_FW_VERSION_VBIOS 0
 #define DMUB_FW_VERSION_HOTFIX 0
@@ -368,10 +368,10 @@ union dmub_fw_boot_options {
 		uint32_t disable_clk_gate: 1; /**< 1 if clock gating should be disabled */
 		uint32_t skip_phy_init_panel_sequence: 1; /**< 1 to skip panel init seq */
 		uint32_t z10_disable: 1; /**< 1 to disable z10 */
-		uint32_t reserved2: 1; /**< reserved for an unreleased feature */
-		uint32_t reserved_unreleased1: 1; /**< reserved for an unreleased feature */
+		uint32_t enable_dpia: 1; /**< 1 if DPIA should be enabled */
 		uint32_t invalid_vbios_data: 1; /**< 1 if VBIOS data table is invalid */
-		uint32_t reserved : 23; /**< reserved */
+		uint32_t reserved_unreleased2: 1; /**< reserved for an unreleased feature */
+		uint32_t reserved : 22; /**< reserved */
 	} bits; /**< boot bits */
 	uint32_t all; /**< 32-bit access to bits */
 };
@@ -653,6 +653,10 @@ enum dmub_cmd_type {
 	 */
 	DMUB_CMD__PANEL_CNTL = 74,
 	/**
+	 * Command type used for interfacing with DPIA.
+	 */
+	DMUB_CMD__DPIA = 77,
+	/**
 	 * Command type used for EDID CEA parsing
 	 */
 	DMUB_CMD__EDID_CEA = 79,
@@ -674,6 +678,20 @@ enum dmub_out_cmd_type {
 	 * Command type used for DP AUX Reply data notification
 	 */
 	DMUB_OUT_CMD__DP_AUX_REPLY = 1,
+	/**
+	 * Command type used for DP HPD event notification
+	 */
+	DMUB_OUT_CMD__DP_HPD_NOTIFY = 2,
+	/**
+	 * Command type used for SET_CONFIG Reply notification
+	 */
+	DMUB_OUT_CMD__SET_CONFIG_REPLY = 3,
+};
+
+/* DMUB_CMD__DPIA command sub-types. */
+enum dmub_cmd_dpia_type {
+	DMUB_CMD__DPIA_DIG1_DPIA_CONTROL = 0,
+	DMUB_CMD__DPIA_SET_CONFIG_ACCESS = 1,
 };
 
 #pragma pack(push, 1)
@@ -973,7 +991,7 @@ struct dmub_dig_transmitter_control_data_v1_7 {
 	uint8_t hpdsel; /**< =1: HPD1, =2: HPD2, ..., =6: HPD6, =0: HPD is not assigned */
 	uint8_t digfe_sel; /**< DIG front-end selection, bit0 means DIG0 FE is enabled */
 	uint8_t connobj_id; /**< Connector Object Id defined in ObjectId.h */
-	uint8_t reserved0; /**< For future use */
+	uint8_t HPO_instance; /**< HPO instance (0: inst0, 1: inst1) */
 	uint8_t reserved1; /**< For future use */
 	uint8_t reserved2[3]; /**< For future use */
 	uint32_t reserved3[11]; /**< For future use */
@@ -996,6 +1014,59 @@ struct dmub_rb_cmd_dig1_transmitter_control {
 };
 
 /**
+ * DPIA tunnel command parameters.
+ */
+struct dmub_cmd_dig_dpia_control_data {
+	uint8_t enc_id;         /** 0 = ENGINE_ID_DIGA, ... */
+	uint8_t action;         /** ATOM_TRANSMITER_ACTION_DISABLE/ENABLE/SETUP_VSEMPH */
+	union {
+		uint8_t digmode;    /** enum atom_encode_mode_def */
+		uint8_t dplaneset;  /** DP voltage swing and pre-emphasis value */
+	} mode_laneset;
+	uint8_t lanenum;        /** Lane number 1, 2, 4, 8 */
+	uint32_t symclk_10khz;  /** Symbol Clock in 10Khz */
+	uint8_t hpdsel;         /** =0: HPD is not assigned */
+	uint8_t digfe_sel;      /** DIG stream( front-end ) selection, bit0 - DIG0 FE */
+	uint8_t dpia_id;        /** Index of DPIA */
+	uint8_t fec_rdy : 1;
+	uint8_t reserved : 7;
+	uint32_t reserved1;
+};
+
+/**
+ * DMUB command for DPIA tunnel control.
+ */
+struct dmub_rb_cmd_dig1_dpia_control {
+	struct dmub_cmd_header header;
+	struct dmub_cmd_dig_dpia_control_data dpia_control;
+};
+
+/**
+ * SET_CONFIG Command Payload
+ */
+struct set_config_cmd_payload {
+	uint8_t msg_type; /* set config message type */
+	uint8_t msg_data; /* set config message data */
+};
+
+/**
+ * Data passed from driver to FW in a DMUB_CMD__DPIA_SET_CONFIG_ACCESS command.
+ */
+struct dmub_cmd_set_config_control_data {
+	struct set_config_cmd_payload cmd_pkt;
+	uint8_t instance; /* DPIA instance */
+	uint8_t immed_status; /* Immediate status returned in case of error */
+};
+
+/**
+ * DMUB command structure for SET_CONFIG command.
+ */
+struct dmub_rb_cmd_set_config_access {
+	struct dmub_cmd_header header; /* header */
+	struct dmub_cmd_set_config_control_data set_config_control; /* set config data */
+};
+
+/**
  * struct dmub_rb_cmd_dpphy_init - DPPHY init.
  */
 struct dmub_rb_cmd_dpphy_init {
@@ -1242,6 +1313,33 @@ struct dmub_rb_cmd_dp_hpd_notify {
 	struct dp_hpd_data hpd_data;
 };
 
+/**
+ * Definition of a SET_CONFIG reply from DPOA.
+ */
+enum set_config_status {
+	SET_CONFIG_PENDING = 0,
+	SET_CONFIG_ACK_RECEIVED,
+	SET_CONFIG_RX_TIMEOUT,
+	SET_CONFIG_UNKNOWN_ERROR,
+};
+
+/**
+ * Definition of a set_config reply
+ */
+struct set_config_reply_control_data {
+	uint8_t instance; /* DPIA Instance */
+	uint8_t status; /* Set Config reply */
+	uint16_t pad; /* Alignment */
+};
+
+/**
+ * Definition of a DMUB_OUT_CMD__SET_CONFIG_REPLY command.
+ */
+struct dmub_rb_cmd_dp_set_config_reply {
+	struct dmub_cmd_header header;
+	struct set_config_reply_control_data set_config_reply_control;
+};
+
 /*
  * Command IDs should be treated as stable ABI.
  * Do not reuse or modify IDs.
@@ -1730,6 +1828,11 @@ enum dmub_cmd_abm_type {
 	 * Enable/disable fractional duty cycle for backlight PWM.
 	 */
 	DMUB_CMD__ABM_SET_PWM_FRAC	= 5,
+
+	/**
+	 * unregister vertical interrupt after steady state is reached
+	 */
+	DMUB_CMD__ABM_PAUSE	= 6,
 };
 
 /**
@@ -2086,6 +2189,50 @@ struct dmub_rb_cmd_abm_init_config {
 };
 
 /**
+ * Data passed from driver to FW in a DMUB_CMD__ABM_PAUSE command.
+ */
+
+struct dmub_cmd_abm_pause_data {
+
+	/**
+	 * Panel Control HW instance mask.
+	 * Bit 0 is Panel Control HW instance 0.
+	 * Bit 1 is Panel Control HW instance 1.
+	 */
+	uint8_t panel_mask;
+
+	/**
+	 * OTG hw instance
+	 */
+	uint8_t otg_inst;
+
+	/**
+	 * Enable or disable ABM pause
+	 */
+	uint8_t enable;
+
+	/**
+	 * Explicit padding to 4 byte boundary.
+	 */
+	uint8_t pad[1];
+};
+
+/**
+ * Definition of a DMUB_CMD__ABM_PAUSE command.
+ */
+struct dmub_rb_cmd_abm_pause {
+	/**
+	 * Command header.
+	 */
+	struct dmub_cmd_header header;
+
+	/**
+	 * Data passed from driver to FW in a DMUB_CMD__ABM_PAUSE command.
+	 */
+	struct dmub_cmd_abm_pause_data abm_pause_data;
+};
+
+/**
  * Data passed from driver to FW in a DMUB_CMD__QUERY_FEATURE_CAPS command.
  */
 struct dmub_cmd_query_feature_caps_data {
@@ -2364,6 +2511,11 @@ union dmub_rb_cmd {
 	struct dmub_rb_cmd_abm_init_config abm_init_config;
 
 	/**
+	 * Definition of a DMUB_CMD__ABM_PAUSE command.
+	 */
+	struct dmub_rb_cmd_abm_pause abm_pause;
+
+	/**
 	 * Definition of a DMUB_CMD__DP_AUX_ACCESS command.
 	 */
 	struct dmub_rb_cmd_dp_aux_access dp_aux_access;
@@ -2383,6 +2535,14 @@ union dmub_rb_cmd {
 	 */
 	struct dmub_rb_cmd_lvtma_control lvtma_control;
 	/**
+	 * Definition of a DMUB_CMD__DPIA_DIG1_CONTROL command.
+	 */
+	struct dmub_rb_cmd_dig1_dpia_control dig1_dpia_control;
+	/**
+	 * Definition of a DMUB_CMD__DPIA_SET_CONFIG_ACCESS command.
+	 */
+	struct dmub_rb_cmd_set_config_access set_config_access;
+	/**
 	 * Definition of a DMUB_CMD__EDID_CEA command.
 	 */
 	struct dmub_rb_cmd_edid_cea edid_cea;
@@ -2404,6 +2564,10 @@ union dmub_rb_out_cmd {
 	 * HPD notify command.
 	 */
 	struct dmub_rb_cmd_dp_hpd_notify dp_hpd_notify;
+	/**
+	 * SET_CONFIG reply command.
+	 */
+	struct dmub_rb_cmd_dp_set_config_reply set_config_reply;
 };
 #pragma pack(pop)
 
@@ -2484,14 +2648,16 @@ static inline bool dmub_rb_full(struct dmub_rb *rb)
 static inline bool dmub_rb_push_front(struct dmub_rb *rb,
 				      const union dmub_rb_cmd *cmd)
 {
-	uint8_t *dst = (uint8_t *)(rb->base_address) + rb->wrpt;
-	const uint8_t *src = (const uint8_t *)cmd;
+	uint64_t volatile *dst = (uint64_t volatile *)(rb->base_address) + rb->wrpt / sizeof(uint64_t);
+	const uint64_t *src = (const uint64_t *)cmd;
+	uint8_t i;
 
 	if (dmub_rb_full(rb))
 		return false;
 
 	// copying data
-	dmub_memcpy(dst, src, DMUB_RB_CMD_SIZE);
+	for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++)
+		*dst++ = *src++;
 
 	rb->wrpt += DMUB_RB_CMD_SIZE;
 
@@ -2600,14 +2766,16 @@ static inline bool dmub_rb_peek_offset(struct dmub_rb *rb,
 static inline bool dmub_rb_out_front(struct dmub_rb *rb,
 				 union dmub_rb_out_cmd *cmd)
 {
-	const uint8_t *src = (const uint8_t *)(rb->base_address) + rb->rptr;
-	uint8_t *dst = (uint8_t *)cmd;
+	const uint64_t volatile *src = (const uint64_t volatile *)(rb->base_address) + rb->rptr / sizeof(uint64_t);
+	uint64_t *dst = (uint64_t *)cmd;
+	uint8_t i;
 
 	if (dmub_rb_empty(rb))
 		return false;
 
 	// copying data
-	dmub_memcpy(dst, src, DMUB_RB_CMD_SIZE);
+	for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++)
+		*dst++ = *src++;
 
 	return true;
 }
@@ -2642,14 +2810,17 @@ static inline bool dmub_rb_pop_front(struct dmub_rb *rb)
  */
 static inline void dmub_rb_flush_pending(const struct dmub_rb *rb)
 {
-	uint8_t buf[DMUB_RB_CMD_SIZE];
 	uint32_t rptr = rb->rptr;
 	uint32_t wptr = rb->wrpt;
 
 	while (rptr != wptr) {
-		const uint8_t *data = (const uint8_t *)rb->base_address + rptr;
+		uint64_t volatile *data = (uint64_t volatile *)rb->base_address + rptr / sizeof(uint64_t);
+		//uint64_t volatile *p = (uint64_t volatile *)data;
+		uint64_t temp;
+		uint8_t i;
 
-		dmub_memcpy(buf, data, DMUB_RB_CMD_SIZE);
+		for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++)
+			temp = *data++;
 
 		rptr += DMUB_RB_CMD_SIZE;
 		if (rptr >= rb->capacity)
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c
index fc667cb17eb0..3988f65f1ea4 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c
@@ -338,6 +338,7 @@ void dmub_dcn31_enable_dmub_boot_options(struct dmub_srv *dmub, const struct dmu
 	union dmub_fw_boot_options boot_options = {0};
 
 	boot_options.bits.z10_disable = params->disable_z10;
+	boot_options.bits.enable_dpia = params->disable_dpia ? 0 : 1;
 
 	REG_WRITE(DMCUB_SCRATCH14, boot_options.all);
 }
@@ -432,3 +433,11 @@ void dmub_dcn31_get_diagnostic_data(struct dmub_srv *dmub, struct dmub_diagnosti
 	REG_GET(DMCUB_REGION3_CW6_TOP_ADDRESS, DMCUB_REGION3_CW6_ENABLE, &is_cw6_enabled);
 	diag_data->is_cw6_enabled = is_cw6_enabled;
 }
+
+bool dmub_dcn31_should_detect(struct dmub_srv *dmub)
+{
+	uint32_t fw_boot_status = REG_READ(DMCUB_SCRATCH0);
+	bool should_detect = fw_boot_status & DMUB_FW_BOOT_STATUS_BIT_DETECTION_REQUIRED;
+	return should_detect;
+}
+
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.h b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.h
index bb62605d2ac8..59ddc81b5a0e 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.h
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.h
@@ -245,4 +245,6 @@ uint32_t dmub_dcn31_get_current_time(struct dmub_srv *dmub);
 
 void dmub_dcn31_get_diagnostic_data(struct dmub_srv *dmub, struct dmub_diagnostic_data *diag_data);
 
+bool dmub_dcn31_should_detect(struct dmub_srv *dmub);
+
 #endif /* _DMUB_DCN31_H_ */
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
index 75a91cfaf036..77c67222cabd 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
@@ -234,7 +234,7 @@ static bool dmub_srv_hw_setup(struct dmub_srv *dmub, enum dmub_asic asic)
 		funcs->set_outbox0_rptr = dmub_dcn31_set_outbox0_rptr;
 
 		funcs->get_diagnostic_data = dmub_dcn31_get_diagnostic_data;
-
+		funcs->should_detect = dmub_dcn31_should_detect;
 		funcs->get_current_time = dmub_dcn31_get_current_time;
 
 		break;
@@ -655,13 +655,19 @@ enum dmub_status dmub_srv_wait_for_phy_init(struct dmub_srv *dmub,
 enum dmub_status dmub_srv_wait_for_idle(struct dmub_srv *dmub,
 					uint32_t timeout_us)
 {
-	uint32_t i;
+	uint32_t i, rptr;
 
 	if (!dmub->hw_init)
 		return DMUB_STATUS_INVALID;
 
 	for (i = 0; i <= timeout_us; ++i) {
-			dmub->inbox1_rb.rptr = dmub->hw_funcs.get_inbox1_rptr(dmub);
+		rptr = dmub->hw_funcs.get_inbox1_rptr(dmub);
+
+		if (rptr > dmub->inbox1_rb.capacity)
+			return DMUB_STATUS_HW_FAILURE;
+
+		dmub->inbox1_rb.rptr = rptr;
+
 		if (dmub_rb_empty(&dmub->inbox1_rb))
 			return DMUB_STATUS_OK;
 
@@ -816,3 +822,11 @@ bool dmub_srv_get_diagnostic_data(struct dmub_srv *dmub, struct dmub_diagnostic_
 	dmub->hw_funcs.get_diagnostic_data(dmub, diag_data);
 	return true;
 }
+
+bool dmub_srv_should_detect(struct dmub_srv *dmub)
+{
+	if (!dmub->hw_init || !dmub->hw_funcs.should_detect)
+		return false;
+
+	return dmub->hw_funcs.should_detect(dmub);
+}
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv_stat.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv_stat.c
index 70766d534c9c..44502ec919a2 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv_stat.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv_stat.c
@@ -76,6 +76,22 @@ enum dmub_status dmub_srv_stat_get_notification(struct dmub_srv *dmub,
 		dmub_memcpy((void *)&notify->aux_reply,
 			(void *)&cmd.dp_aux_reply.reply_data, sizeof(struct aux_reply_data));
 		break;
+	case DMUB_OUT_CMD__DP_HPD_NOTIFY:
+		if (cmd.dp_hpd_notify.hpd_data.hpd_type == DP_HPD) {
+			notify->type = DMUB_NOTIFICATION_HPD;
+			notify->hpd_status = cmd.dp_hpd_notify.hpd_data.hpd_status;
+		} else {
+			notify->type = DMUB_NOTIFICATION_HPD_IRQ;
+		}
+
+		notify->link_index = cmd.dp_hpd_notify.hpd_data.instance;
+		notify->result = AUX_RET_SUCCESS;
+		break;
+	case DMUB_OUT_CMD__SET_CONFIG_REPLY:
+		notify->type = DMUB_NOTIFICATION_SET_CONFIG_REPLY;
+		notify->link_index = cmd.set_config_reply.set_config_reply_control.instance;
+		notify->sc_status = cmd.set_config_reply.set_config_reply_control.status;
+		break;
 	default:
 		notify->type = DMUB_NOTIFICATION_NO_DATA;
 		break;