drm/amd/display: use vbios message to call smu for dpm level

[Description]
use vbios message to call smu for dpm level
also only program dmdata in vsyncflip as HW requirement.
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.h

@@ -50,4 +50,5 @@ void dcn2_get_clock(struct clk_mgr *clk_mgr,
 			enum dc_clock_type clock_type,
 			struct dc_clock_config *clock_cfg);
 
+void dcn20_update_clocks_update_dentist(struct clk_mgr_internal *clk_mgr);
 #endif //__DCN20_CLK_MGR_H__

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

@@ -245,6 +245,13 @@ enum wm_report_mode {
 	WM_REPORT_DEFAULT = 0,
 	WM_REPORT_OVERRIDE = 1,
 };
+enum dtm_pstate{
+	dtm_level_p0 = 0,/*highest voltage*/
+	dtm_level_p1,
+	dtm_level_p2,
+	dtm_level_p3,
+	dtm_level_p4,/*when active_display_count = 0*/
+};
 
 enum dcn_pwr_state {
 	DCN_PWR_STATE_OPTIMIZED = 0,
@@ -271,6 +278,7 @@ struct dc_clocks {
 	 * optimization required
 	 */
 	bool prev_p_state_change_support;
+	enum dtm_pstate dtm_level;
 	int max_supported_dppclk_khz;
 	int max_supported_dispclk_khz;
 	int bw_dppclk_khz; /*a copy of dppclk_khz*/

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c

@@ -2209,8 +2209,10 @@ static void dcn20_enable_stream(struct pipe_ctx *pipe_ctx)
 	link->link_enc->funcs->connect_dig_be_to_fe(link->link_enc,
 						    pipe_ctx->stream_res.stream_enc->id, true);
 
+	if (pipe_ctx->plane_state && pipe_ctx->plane_state->flip_immediate != 1) {
 		if (link->dc->hwss.program_dmdata_engine)
 			link->dc->hwss.program_dmdata_engine(pipe_ctx);
+	}
 
 	link->dc->hwss.update_info_frame(pipe_ctx);
 

drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr_internal.h

@@ -184,6 +184,21 @@ struct clk_mgr_registers {
 	uint32_t MP1_SMN_C2PMSG_91;
 };
 
+enum clock_type {
+	clock_type_dispclk = 1,
+	clock_type_dcfclk,
+	clock_type_socclk,
+	clock_type_pixelclk,
+	clock_type_phyclk,
+	clock_type_dppclk,
+	clock_type_fclk,
+	clock_type_dcfdsclk,
+	clock_type_dscclk,
+	clock_type_uclk,
+	clock_type_dramclk,
+};
+
+
 struct state_dependent_clocks {
 	int display_clk_khz;
 	int pixel_clk_khz;