drm/amd/display: Add new Replay command and Disabled Replay Timing Resync

[why]
To support dynamic switching for Replay timing sync mechanism.

Reviewed-by: ChunTao Tso <chuntao.tso@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Dennis Chan <dennis.chan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

6 files changed, 44 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h
index fcb825e4f1bb..edf60c4f318c 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
@@ -1022,6 +1022,16 @@ enum replay_coasting_vtotal_type {
 	PR_COASTING_TYPE_NUM,
 };
 
+/*
+ * This is general Interface for Replay to
+ * set an 32 bit variable to dmub
+ * The Message_type indicates which variable
+ * passed to DMUB.
+ */
+enum replay_FW_Message_type {
+	Replay_Set_Timing_Sync_Supported,
+};
+
 union replay_error_status {
 	struct {
 		unsigned char STATE_TRANSITION_ERROR    :1;
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_replay.h b/drivers/gpu/drm/amd/display/dc/dce/dmub_replay.h
index e8385bbf51fc..427bc47a676e 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dmub_replay.h
+++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_replay.h
@@ -45,6 +45,9 @@ struct dmub_replay_funcs {
 		struct replay_context *replay_context, uint8_t panel_inst);
 	void (*replay_set_power_opt)(struct dmub_replay *dmub, unsigned int power_opt,
 		uint8_t panel_inst);
+	void (*replay_send_cmd)(struct dmub_replay *dmub,
+		enum replay_FW_Message_type msg, unsigned int panel_inst,
+		uint32_t cmd_data);
 	void (*replay_set_coasting_vtotal)(struct dmub_replay *dmub, uint16_t coasting_vtotal,
 		uint8_t panel_inst);
 	void (*replay_residency)(struct dmub_replay *dmub,
diff --git a/drivers/gpu/drm/amd/display/dc/inc/link.h b/drivers/gpu/drm/amd/display/dc/inc/link.h
index d7685368140a..dd3f53151d8b 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/link.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/link.h
@@ -281,6 +281,9 @@ struct link_service {
 			const unsigned int *power_opts);
 	bool (*edp_setup_replay)(struct dc_link *link,
 			const struct dc_stream_state *stream);
+	bool (*edp_send_replay_cmd)(struct dc_link *link,
+			enum replay_FW_Message_type msg,
+			uint32_t params);
 	bool (*edp_set_coasting_vtotal)(
 			struct dc_link *link, uint16_t coasting_vtotal);
 	bool (*edp_replay_residency)(const struct dc_link *link,
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_factory.c b/drivers/gpu/drm/amd/display/dc/link/link_factory.c
index 7abfc67d10a6..6b306ea58b9b 100644
--- a/drivers/gpu/drm/amd/display/dc/link/link_factory.c
+++ b/drivers/gpu/drm/amd/display/dc/link/link_factory.c
@@ -213,6 +213,7 @@ static void construct_link_service_edp_panel_control(struct link_service *link_s
 	link_srv->edp_get_replay_state = edp_get_replay_state;
 	link_srv->edp_set_replay_allow_active = edp_set_replay_allow_active;
 	link_srv->edp_setup_replay = edp_setup_replay;
+	link_srv->edp_send_replay_cmd = edp_send_replay_cmd;
 	link_srv->edp_set_coasting_vtotal = edp_set_coasting_vtotal;
 	link_srv->edp_replay_residency = edp_replay_residency;
 
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c
index e32a7974a4bc..c52b51b2b4b3 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c
@@ -1007,6 +1007,30 @@ bool edp_setup_replay(struct dc_link *link, const struct dc_stream_state *stream
 	return true;
 }
 
+/*
+ * This is general Interface for Replay to set an 32 bit variable to dmub
+ * replay_FW_Message_type: Indicates which instruction or variable pass to DMUB
+ * cmd_data: Value of the config.
+ */
+bool edp_send_replay_cmd(struct dc_link *link,
+			enum replay_FW_Message_type msg,
+			uint32_t cmd_data)
+{
+	struct dc *dc = link->ctx->dc;
+	struct dmub_replay *replay = dc->res_pool->replay;
+	unsigned int panel_inst;
+
+	if (!replay)
+		return false;
+
+	if (!dc_get_edp_link_panel_inst(dc, link, &panel_inst))
+		return false;
+
+	replay->funcs->replay_send_cmd(replay, msg, cmd_data, panel_inst);
+
+	return true;
+}
+
 bool edp_set_coasting_vtotal(struct dc_link *link, uint16_t coasting_vtotal)
 {
 	struct dc *dc = link->ctx->dc;
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h
index ebf7deb63d13..6b223580ac8a 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.h
@@ -57,6 +57,9 @@ bool edp_set_replay_allow_active(struct dc_link *dc_link, const bool *enable,
 	bool wait, bool force_static, const unsigned int *power_opts);
 bool edp_setup_replay(struct dc_link *link,
 		const struct dc_stream_state *stream);
+bool edp_send_replay_cmd(struct dc_link *link,
+			enum replay_FW_Message_type msg,
+			uint32_t params);
 bool edp_set_coasting_vtotal(struct dc_link *link, uint16_t coasting_vtotal);
 bool edp_replay_residency(const struct dc_link *link,
 	unsigned int *residency, const bool is_start, const bool is_alpm);