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authorMartin Leung <martin.leung@amd.com>2020-08-28 10:48:41 -0400
committerAlex Deucher <alexander.deucher@amd.com>2020-09-15 17:52:41 -0400
commit6b85151f6bcdb796dfdb4d2e07dbeb4340b6b173 (patch)
tree3f64be4e63fa5083568e560c58182f6e20449add /drivers/gpu/drm/amd/display/dc/dml
parent6b29bb37373bfdcc851b2c907f6a9049427b1661 (diff)
downloadlinux-6b85151f6bcdb796dfdb4d2e07dbeb4340b6b173.tar.bz2
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: Martin Leung <martin.leung@amd.com> Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dml')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c
index 2beb284f89b0..8f8bf83a60a1 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c
@@ -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(