From: Anthony Koo <Anthony.Koo@xxxxxxx>
- Add new cmd for querying HPD state
Reviewed-by: Aric Cyr <Aric.Cyr@xxxxxxx>
Acked-by: Wayne Lin <wayne.lin@xxxxxxx>
Signed-off-by: Anthony Koo <Anthony.Koo@xxxxxxx>
---
.../gpu/drm/amd/display/dmub/inc/dmub_cmd.h | 35 ++++++++++++++++++-
1 file changed, 34 insertions(+), 1 deletion(-)
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 e24f117e831e..385c28238beb 100644
--- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
+++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
@@ -350,7 +350,7 @@ union dmub_fw_boot_options {
uint32_t power_optimization: 1;
uint32_t diag_env: 1; /* 1 if diagnostic environment */
uint32_t gpint_scratch8: 1; /* 1 if GPINT is in scratch8*/
- uint32_t usb4_cm_version: 1; /**< USB4 CM Version */
+ uint32_t usb4_cm_version: 1; /**< 1 CM support */
uint32_t reserved : 17; /**< reserved */
} bits; /**< boot bits */
@@ -654,6 +654,10 @@ enum dmub_cmd_type {
* Command type used for getting usbc cable ID
*/
DMUB_CMD_GET_USBC_CABLE_ID = 81,
+ /**
+ * Command type used to query HPD state.
+ */
+ DMUB_CMD__QUERY_HPD_STATE = 82,
/**
* Command type used for all VBIOS interface commands.
*/
@@ -1353,6 +1357,30 @@ struct dmub_rb_cmd_dp_set_config_reply {
struct set_config_reply_control_data set_config_reply_control;
};
+/**
+ * Data passed from driver to FW in a DMUB_CMD__QUERY_HPD_STATE command.
+ */
+struct dmub_cmd_hpd_state_query_data {
+ uint8_t instance; /**< HPD instance or DPIA instance */
+ uint8_t result; /**< For returning HPD state */
+ enum aux_channel_type ch_type; /**< enum aux_channel_type */
+ enum aux_return_code_type status; /**< for returning the status of command */
+};
+
+/**
+ * Definition of a DMUB_CMD__QUERY_HPD_STATE command.
+ */
+struct dmub_rb_cmd_query_hpd_state {
+ /**
+ * Command header.
+ */
+ struct dmub_cmd_header header;
+ /**
+ * Data passed from driver to FW in a DMUB_CMD__QUERY_HPD_STATE command.
+ */
+ struct dmub_cmd_hpd_state_query_data data;
+};
+
/*
* Command IDs should be treated as stable ABI.
* Do not reuse or modify IDs.
@@ -2757,6 +2785,11 @@ union dmub_rb_cmd {
* Definition of a DMUB_CMD_GET_USBC_CABLE_ID command.
*/
struct dmub_rb_cmd_get_usbc_cable_id cable_id;
+
+ /**
+ * Definition of a DMUB_CMD__QUERY_HPD_STATE command.
+ */
+ struct dmub_rb_cmd_query_hpd_state query_hpd;
};
/**
--
2.36.0
