drm/amd/display: Added multi instance support for panel control

[Why]
Panel control always programs instance 0. With multi eDP we need to
support multiple instances.

[How]
Use link index to set different instances for panel control.
Refactored LVTMA control to support multiple instances.
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Jake Wang <haonan.wang2@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Eryk Brol <eryk.brol@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c

@@ -1180,14 +1180,15 @@ static enum bp_result bios_parser_enable_disp_power_gating(
 
 static enum bp_result bios_parser_enable_lvtma_control(
 	struct dc_bios *dcb,
-	uint8_t uc_pwr_on)
+	uint8_t uc_pwr_on,
+	uint8_t panel_instance)
 {
 	struct bios_parser *bp = BP_FROM_DCB(dcb);
 
 	if (!bp->cmd_tbl.enable_lvtma_control)
 		return BP_RESULT_FAILURE;
 
-	return bp->cmd_tbl.enable_lvtma_control(bp, uc_pwr_on);
+	return bp->cmd_tbl.enable_lvtma_control(bp, uc_pwr_on, panel_instance);
 }
 
 static bool bios_parser_is_accelerated_mode(

drivers/gpu/drm/amd/display/dc/bios/command_table2.c

@@ -981,7 +981,8 @@ static unsigned int get_smu_clock_info_v3_1(struct bios_parser *bp, uint8_t id)
 
 static enum bp_result enable_lvtma_control(
 	struct bios_parser *bp,
-	uint8_t uc_pwr_on);
+	uint8_t uc_pwr_on,
+	uint8_t panel_instance);
 
 static void init_enable_lvtma_control(struct bios_parser *bp)
 {
@@ -992,19 +993,21 @@ static void init_enable_lvtma_control(struct bios_parser *bp)
 
 static void enable_lvtma_control_dmcub(
 	struct dc_dmub_srv *dmcub,
-	uint8_t uc_pwr_on)
+	uint8_t uc_pwr_on,
+	uint8_t panel_instance)
 {
 
 	union dmub_rb_cmd cmd;
 
 	memset(&cmd, 0, sizeof(cmd));
 
-	cmd.cmd_common.header.type = DMUB_CMD__VBIOS;
-	cmd.cmd_common.header.sub_type =
+	cmd.lvtma_control.header.type = DMUB_CMD__VBIOS;
+	cmd.lvtma_control.header.sub_type =
 			DMUB_CMD__VBIOS_LVTMA_CONTROL;
-	cmd.cmd_common.cmd_buffer[0] =
+	cmd.lvtma_control.data.uc_pwr_action =
 			uc_pwr_on;
-
+	cmd.lvtma_control.data.panel_inst =
+			panel_instance;
 	dc_dmub_srv_cmd_queue(dmcub, &cmd);
 	dc_dmub_srv_cmd_execute(dmcub);
 	dc_dmub_srv_wait_idle(dmcub);
@@ -1013,14 +1016,16 @@ static void enable_lvtma_control_dmcub(
 
 static enum bp_result enable_lvtma_control(
 	struct bios_parser *bp,
-	uint8_t uc_pwr_on)
+	uint8_t uc_pwr_on,
+	uint8_t panel_instance)
 {
 	enum bp_result result = BP_RESULT_FAILURE;
 
 	if (bp->base.ctx->dc->ctx->dmub_srv &&
 	    bp->base.ctx->dc->debug.dmub_command_table) {
 		enable_lvtma_control_dmcub(bp->base.ctx->dmub_srv,
-				uc_pwr_on);
+				uc_pwr_on,
+				panel_instance);
 		return BP_RESULT_OK;
 	}
 	return result;

drivers/gpu/drm/amd/display/dc/bios/command_table2.h

@@ -95,7 +95,8 @@ struct cmd_tbl {
 	unsigned int (*get_smu_clock_info)(
 			struct bios_parser *bp, uint8_t id);
 	enum bp_result (*enable_lvtma_control)(struct bios_parser *bp,
-			uint8_t uc_pwr_on);
+			uint8_t uc_pwr_on,
+			uint8_t panel_instance);
 };
 
 void dal_firmware_parser_init_cmd_tbl(struct bios_parser *bp);

drivers/gpu/drm/amd/display/dc/core/dc_link.c

@@ -1506,7 +1506,7 @@ static bool dc_link_construct(struct dc_link *link,
 		(link->link_id.id == CONNECTOR_ID_EDP ||
 			link->link_id.id == CONNECTOR_ID_LVDS)) {
 		panel_cntl_init_data.ctx = dc_ctx;
-		panel_cntl_init_data.inst = 0;
+		panel_cntl_init_data.inst = link->link_index;
 		link->panel_cntl =
 			link->dc->res_pool->funcs->panel_cntl_create(
 								&panel_cntl_init_data);

drivers/gpu/drm/amd/display/dc/dc_bios_types.h

@@ -139,7 +139,8 @@ struct dc_vbios_funcs {
 
 	enum bp_result (*enable_lvtma_control)(
 		struct dc_bios *bios,
-		uint8_t uc_pwr_on);
+		uint8_t uc_pwr_on,
+		uint8_t panel_instance);
 
 	enum bp_result (*get_soc_bb_info)(
 		struct dc_bios *dcb,

drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c

@@ -797,6 +797,7 @@ void dce110_edp_power_control(
 	struct dc_context *ctx = link->ctx;
 	struct bp_transmitter_control cntl = { 0 };
 	enum bp_result bp_result;
+	uint8_t panel_instance;
 
 
 	if (dal_graphics_object_id_get_connector_id(link->link_enc->connector)
@@ -807,7 +808,6 @@ void dce110_edp_power_control(
 
 	if (!link->panel_cntl)
 		return;
-
 	if (power_up !=
 		link->panel_cntl->funcs->is_panel_powered_on(link->panel_cntl)) {
 
@@ -880,15 +880,18 @@ void dce110_edp_power_control(
 		cntl.coherent = false;
 		cntl.lanes_number = LANE_COUNT_FOUR;
 		cntl.hpd_sel = link->link_enc->hpd_source;
+		panel_instance = link->panel_cntl->inst;
 
 		if (ctx->dc->ctx->dmub_srv &&
 				ctx->dc->debug.dmub_command_table) {
 			if (cntl.action == TRANSMITTER_CONTROL_POWER_ON)
 				bp_result = ctx->dc_bios->funcs->enable_lvtma_control(ctx->dc_bios,
-						LVTMA_CONTROL_POWER_ON);
+						LVTMA_CONTROL_POWER_ON,
+						panel_instance);
 			else
 				bp_result = ctx->dc_bios->funcs->enable_lvtma_control(ctx->dc_bios,
-						LVTMA_CONTROL_POWER_OFF);
+						LVTMA_CONTROL_POWER_OFF,
+						panel_instance);
 		}
 
 		bp_result = link_transmitter_control(ctx->dc_bios, &cntl);
@@ -963,6 +966,7 @@ void dce110_edp_backlight_control(
 {
 	struct dc_context *ctx = link->ctx;
 	struct bp_transmitter_control cntl = { 0 };
+	uint8_t panel_instance;
 
 	if (dal_graphics_object_id_get_connector_id(link->link_enc->connector)
 		!= CONNECTOR_ID_EDP) {
@@ -1011,6 +1015,7 @@ void dce110_edp_backlight_control(
 	 */
 	/* dc_service_sleep_in_milliseconds(50); */
 		/*edp 1.2*/
+	panel_instance = link->panel_cntl->inst;
 	if (cntl.action == TRANSMITTER_CONTROL_BACKLIGHT_ON)
 		edp_receiver_ready_T7(link);
 
@@ -1018,10 +1023,12 @@ void dce110_edp_backlight_control(
 			ctx->dc->debug.dmub_command_table) {
 		if (cntl.action == TRANSMITTER_CONTROL_BACKLIGHT_ON)
 			ctx->dc_bios->funcs->enable_lvtma_control(ctx->dc_bios,
-					LVTMA_CONTROL_LCD_BLON);
+					LVTMA_CONTROL_LCD_BLON,
+					panel_instance);
 		else
 			ctx->dc_bios->funcs->enable_lvtma_control(ctx->dc_bios,
-					LVTMA_CONTROL_LCD_BLOFF);
+					LVTMA_CONTROL_LCD_BLOFF,
+					panel_instance);
 	}
 
 	link_transmitter_control(ctx->dc_bios, &cntl);