Commit 6b85151f authored by Martin Leung's avatar Martin Leung Committed by Alex Deucher
Browse files

drm/amd/display: adding pathway to retrieve stutter period 



why:
some functions may need be dependent on stutter period in the future

how:
Extract from stutter calculations and place into perf_params structure

Signed-off-by: default avatarMartin Leung <martin.leung@amd.com>
Acked-by: default avatarAurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 6b29bb37

drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c

+3 −0
Original line number Diff line number Diff line
@@ -2210,6 +2210,9 @@ static void dcn30_calculate_wm( 
	context->bw_ctx.bw.dcn.watermarks.a.frac_urg_bw_flip = get_fraction_of_urgent_bandwidth_imm_flip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;

	context->bw_ctx.bw.dcn.watermarks.a.urgent_latency_ns = get_urgent_latency(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;



	context->perf_params.stutter_period_us =

		context->bw_ctx.dml.vba.StutterPeriod;



	for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {

		if (!context->res_ctx.pipe_ctx[i].stream)

			continue;

drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c

+9 −3
Original line number Diff line number Diff line
@@ -597,7 +597,8 @@ static void CalculateStutterEfficiency( 
		double meta_row_bw[],

		double dpte_row_bw[],

		double *StutterEfficiencyNotIncludingVBlank,

		double *StutterEfficiency);

		double *StutterEfficiency,

		double *StutterPeriodOut);



static void CalculateSwathAndDETConfiguration(

		bool ForceSingleDPP,
@@ -3134,7 +3135,8 @@ static void DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerforman 
			v->meta_row_bw,

			v->dpte_row_bw,

			&v->StutterEfficiencyNotIncludingVBlank,

			&v->StutterEfficiency);

			&v->StutterEfficiency,

			&v->StutterPeriod);

}



static void DisplayPipeConfiguration(struct display_mode_lib *mode_lib)
@@ -6151,7 +6153,8 @@ static void CalculateStutterEfficiency( 
		double meta_row_bw[],

		double dpte_row_bw[],

		double *StutterEfficiencyNotIncludingVBlank,

		double *StutterEfficiency)

		double *StutterEfficiency,

		double *StutterPeriodOut)

{

	double FullDETBufferingTimeY[DC__NUM_DPP__MAX] = { 0 };

	double FrameTimeForMinFullDETBufferingTime = 0;
@@ -6262,6 +6265,9 @@ static void CalculateStutterEfficiency( 
	}



	*StutterEfficiency =  (*StutterEfficiencyNotIncludingVBlank / 100.0 * (FrameTimeForMinFullDETBufferingTime - SmallestVBlank) + SmallestVBlank) / FrameTimeForMinFullDETBufferingTime * 100;



	if (StutterPeriodOut)

		*StutterPeriodOut = StutterPeriod;

}



static void CalculateSwathAndDETConfiguration(

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

+4 −0
Original line number Diff line number Diff line
@@ -411,6 +411,10 @@ struct dc_state { 
	struct clk_mgr *clk_mgr;



	struct kref refcount;



	struct {

		unsigned int stutter_period_us;

	} perf_params;

};



#endif /* _CORE_TYPES_H_ */