[PATCH 31/31] drm/amd/display: remove redundant CalculateRemoteSurfaceFlipDelay's

[Jasdeep Dhillon]

From: Tom Rix <trix at redhat.com>

There are several copies of CalculateRemoteSurfaceFlipDelay.
Reduce to one instance.

Signed-off-by: Tom Rix <trix at redhat.com>
Reviewed-by: Maíra Canal <mairacanal at riseup.net>
---
 .../dc/dml/dcn20/display_mode_vba_20.c        |  4 +-
 .../dc/dml/dcn20/display_mode_vba_20v2.c      | 40 +------------------
 .../dc/dml/dcn21/display_mode_vba_21.c        | 40 +------------------
 3 files changed, 4 insertions(+), 80 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c
index 4ca080950924..8e5d58336bc5 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c
@@ -158,7 +158,7 @@ double CalculateTWait(
 		double DRAMClockChangeLatency,
 		double UrgentLatency,
 		double SREnterPlusExitTime);
-static double CalculateRemoteSurfaceFlipDelay(
+double CalculateRemoteSurfaceFlipDelay(
 		struct display_mode_lib *mode_lib,
 		double VRatio,
 		double SwathWidth,
@@ -2909,7 +2909,7 @@ double CalculateTWait(
 	}
 }
 
-static double CalculateRemoteSurfaceFlipDelay(
+double CalculateRemoteSurfaceFlipDelay(
 		struct display_mode_lib *mode_lib,
 		double VRatio,
 		double SwathWidth,
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
index 2b4dcae4e432..e9ebc81adc71 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
@@ -182,7 +182,7 @@ double CalculateTWait(
 		double DRAMClockChangeLatency,
 		double UrgentLatency,
 		double SREnterPlusExitTime);
-static double CalculateRemoteSurfaceFlipDelay(
+double CalculateRemoteSurfaceFlipDelay(
 		struct display_mode_lib *mode_lib,
 		double VRatio,
 		double SwathWidth,
@@ -2967,44 +2967,6 @@ static void dml20v2_DisplayPipeConfiguration(struct display_mode_lib *mode_lib)
 	}
 }
 
-static double CalculateRemoteSurfaceFlipDelay(
-		struct display_mode_lib *mode_lib,
-		double VRatio,
-		double SwathWidth,
-		double Bpp,
-		double LineTime,
-		double XFCTSlvVupdateOffset,
-		double XFCTSlvVupdateWidth,
-		double XFCTSlvVreadyOffset,
-		double XFCXBUFLatencyTolerance,
-		double XFCFillBWOverhead,
-		double XFCSlvChunkSize,
-		double XFCBusTransportTime,
-		double TCalc,
-		double TWait,
-		double *SrcActiveDrainRate,
-		double *TInitXFill,
-		double *TslvChk)
-{
-	double TSlvSetup, AvgfillRate, result;
-
-	*SrcActiveDrainRate = VRatio * SwathWidth * Bpp / LineTime;
-	TSlvSetup = XFCTSlvVupdateOffset + XFCTSlvVupdateWidth + XFCTSlvVreadyOffset;
-	*TInitXFill = XFCXBUFLatencyTolerance / (1 + XFCFillBWOverhead / 100);
-	AvgfillRate = *SrcActiveDrainRate * (1 + XFCFillBWOverhead / 100);
-	*TslvChk = XFCSlvChunkSize / AvgfillRate;
-	dml_print(
-			"DML::CalculateRemoteSurfaceFlipDelay: SrcActiveDrainRate: %f\n",
-			*SrcActiveDrainRate);
-	dml_print("DML::CalculateRemoteSurfaceFlipDelay: TSlvSetup: %f\n", TSlvSetup);
-	dml_print("DML::CalculateRemoteSurfaceFlipDelay: TInitXFill: %f\n", *TInitXFill);
-	dml_print("DML::CalculateRemoteSurfaceFlipDelay: AvgfillRate: %f\n", AvgfillRate);
-	dml_print("DML::CalculateRemoteSurfaceFlipDelay: TslvChk: %f\n", *TslvChk);
-	result = 2 * XFCBusTransportTime + TSlvSetup + TCalc + TWait + *TslvChk + *TInitXFill; // TODO: This doesn't seem to match programming guide
-	dml_print("DML::CalculateRemoteSurfaceFlipDelay: RemoteSurfaceFlipDelay: %f\n", result);
-	return result;
-}
-
 static void CalculateActiveRowBandwidth(
 		bool GPUVMEnable,
 		enum source_format_class SourcePixelFormat,
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c
index df4b52b2ed4c..d79b27ba8a9c 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c
@@ -210,7 +210,7 @@ double CalculateTWait(
 		double DRAMClockChangeLatency,
 		double UrgentLatency,
 		double SREnterPlusExitTime);
-static double CalculateRemoteSurfaceFlipDelay(
+double CalculateRemoteSurfaceFlipDelay(
 		struct display_mode_lib *mode_lib,
 		double VRatio,
 		double SwathWidth,
@@ -2980,44 +2980,6 @@ static void DisplayPipeConfiguration(struct display_mode_lib *mode_lib)
 	}
 }
 
-static double CalculateRemoteSurfaceFlipDelay(
-		struct display_mode_lib *mode_lib,
-		double VRatio,
-		double SwathWidth,
-		double Bpp,
-		double LineTime,
-		double XFCTSlvVupdateOffset,
-		double XFCTSlvVupdateWidth,
-		double XFCTSlvVreadyOffset,
-		double XFCXBUFLatencyTolerance,
-		double XFCFillBWOverhead,
-		double XFCSlvChunkSize,
-		double XFCBusTransportTime,
-		double TCalc,
-		double TWait,
-		double *SrcActiveDrainRate,
-		double *TInitXFill,
-		double *TslvChk)
-{
-	double TSlvSetup, AvgfillRate, result;
-
-	*SrcActiveDrainRate = VRatio * SwathWidth * Bpp / LineTime;
-	TSlvSetup = XFCTSlvVupdateOffset + XFCTSlvVupdateWidth + XFCTSlvVreadyOffset;
-	*TInitXFill = XFCXBUFLatencyTolerance / (1 + XFCFillBWOverhead / 100);
-	AvgfillRate = *SrcActiveDrainRate * (1 + XFCFillBWOverhead / 100);
-	*TslvChk = XFCSlvChunkSize / AvgfillRate;
-	dml_print(
-			"DML::CalculateRemoteSurfaceFlipDelay: SrcActiveDrainRate: %f\n",
-			*SrcActiveDrainRate);
-	dml_print("DML::CalculateRemoteSurfaceFlipDelay: TSlvSetup: %f\n", TSlvSetup);
-	dml_print("DML::CalculateRemoteSurfaceFlipDelay: TInitXFill: %f\n", *TInitXFill);
-	dml_print("DML::CalculateRemoteSurfaceFlipDelay: AvgfillRate: %f\n", AvgfillRate);
-	dml_print("DML::CalculateRemoteSurfaceFlipDelay: TslvChk: %f\n", *TslvChk);
-	result = 2 * XFCBusTransportTime + TSlvSetup + TCalc + TWait + *TslvChk + *TInitXFill; // TODO: This doesn't seem to match programming guide
-	dml_print("DML::CalculateRemoteSurfaceFlipDelay: RemoteSurfaceFlipDelay: %f\n", result);
-	return result;
-}
-
 static void CalculateActiveRowBandwidth(
 		bool GPUVMEnable,
 		enum source_format_class SourcePixelFormat,
-- 
2.25.1