[PATCH 02/12] drm/amd/display: Reserve instance index notified by DMUB

[Aurabindo Pillai]

From: Cruise Hung <Cruise.Hung at amd.com>

[Why]
Reserve instance index notified by DMUB.

[How]
Add new variable for instance index.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas at amd.com>
Signed-off-by: Cruise Hung <Cruise.Hung at amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_stat.c        | 2 +-
 drivers/gpu/drm/amd/display/dmub/dmub_srv.h          | 2 ++
 drivers/gpu/drm/amd/display/dmub/src/dmub_srv_stat.c | 8 ++++----
 3 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stat.c b/drivers/gpu/drm/amd/display/dc/core/dc_stat.c
index fe9f99f1bdf9..f976ffd6d466 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_stat.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_stat.c
@@ -65,7 +65,7 @@ void dc_stat_get_dmub_notification(const struct dc *dc, struct dmub_notification
 	    notify->type == DMUB_NOTIFICATION_DPIA_NOTIFICATION ||
 	    notify->type == DMUB_NOTIFICATION_SET_CONFIG_REPLY) {
 		notify->link_index =
-			get_link_index_from_dpia_port_index(dc, notify->link_index);
+			get_link_index_from_dpia_port_index(dc, notify->instance);
 	}
 }
 
diff --git a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h
index 87b761ac3135..7abf7d0fd02b 100644
--- a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h
+++ b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h
@@ -598,6 +598,8 @@ struct dmub_notification {
 	enum dmub_notification_type type;
 	uint8_t link_index;
 	uint8_t result;
+	/* notify instance from DMUB */
+	uint8_t instance;
 	bool pending_notification;
 	union {
 		struct aux_reply_data aux_reply;
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 567c5b1aeb7a..e7a58b140388 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
@@ -71,7 +71,7 @@ enum dmub_status dmub_srv_stat_get_notification(struct dmub_srv *dmub,
 	switch (cmd.cmd_common.header.type) {
 	case DMUB_OUT_CMD__DP_AUX_REPLY:
 		notify->type = DMUB_NOTIFICATION_AUX_REPLY;
-		notify->link_index = cmd.dp_aux_reply.control.instance;
+		notify->instance = cmd.dp_aux_reply.control.instance;
 		notify->result = cmd.dp_aux_reply.control.result;
 		dmub_memcpy((void *)&notify->aux_reply,
 			(void *)&cmd.dp_aux_reply.reply_data, sizeof(struct aux_reply_data));
@@ -84,17 +84,17 @@ enum dmub_status dmub_srv_stat_get_notification(struct dmub_srv *dmub,
 			notify->type = DMUB_NOTIFICATION_HPD_IRQ;
 		}
 
-		notify->link_index = cmd.dp_hpd_notify.hpd_data.instance;
+		notify->instance = 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->instance = cmd.set_config_reply.set_config_reply_control.instance;
 		notify->sc_status = cmd.set_config_reply.set_config_reply_control.status;
 		break;
 	case DMUB_OUT_CMD__DPIA_NOTIFICATION:
 		notify->type = DMUB_NOTIFICATION_DPIA_NOTIFICATION;
-		notify->link_index = cmd.dpia_notification.payload.header.instance;
+		notify->instance = cmd.dpia_notification.payload.header.instance;
 		break;
 	case DMUB_OUT_CMD__HPD_SENSE_NOTIFY:
 		notify->type = DMUB_NOTIFICATION_HPD_SENSE_NOTIFY;
-- 
2.50.1