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

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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: Martin Leung <martin.leung@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Martin Leung
2020-08-28 10:48:41 -04:00
committed by Alex Deucher
parent 6b29bb3737
commit 6b85151f6b
3 changed files with 16 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
View File

@@ -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;

12
drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c
View File

@@ -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(

4
drivers/gpu/drm/amd/display/dc/inc/core_types.h
View File

@@ -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_ */