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

From: Tom Rix
Date: Sun Sep 18 2022 - 22:37:38 EST


There are several copies of CalculateTwait.
Reduce to one instance and change local variable name to match common usage.

Signed-off-by: Tom Rix <trix@xxxxxxxxxx>
---
.../dc/dml/dcn20/display_mode_vba_20.c | 16 +++++++-------
.../dc/dml/dcn20/display_mode_vba_20v2.c | 21 ++-----------------
.../dc/dml/dcn21/display_mode_vba_21.c | 19 +----------------
.../dc/dml/dcn30/display_mode_vba_30.c | 18 +---------------
.../dc/dml/dcn31/display_mode_vba_31.c | 13 +-----------
.../dc/dml/dcn314/display_mode_vba_314.c | 13 +-----------
6 files changed, 14 insertions(+), 86 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 6e9d7e2b5243..4ca080950924 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
@@ -153,10 +153,10 @@ static unsigned int CalculateVMAndRowBytes(
bool *PTEBufferSizeNotExceeded,
unsigned int *dpte_row_height,
unsigned int *meta_row_height);
-static double CalculateTWait(
+double CalculateTWait(
unsigned int PrefetchMode,
double DRAMClockChangeLatency,
- double UrgentLatencyPixelDataOnly,
+ double UrgentLatency,
double SREnterPlusExitTime);
static double CalculateRemoteSurfaceFlipDelay(
struct display_mode_lib *mode_lib,
@@ -2892,20 +2892,20 @@ static void dml20_DisplayPipeConfiguration(struct display_mode_lib *mode_lib)
}
}

-static double CalculateTWait(
+double CalculateTWait(
unsigned int PrefetchMode,
double DRAMClockChangeLatency,
- double UrgentLatencyPixelDataOnly,
+ double UrgentLatency,
double SREnterPlusExitTime)
{
if (PrefetchMode == 0) {
return dml_max(
- DRAMClockChangeLatency + UrgentLatencyPixelDataOnly,
- dml_max(SREnterPlusExitTime, UrgentLatencyPixelDataOnly));
+ DRAMClockChangeLatency + UrgentLatency,
+ dml_max(SREnterPlusExitTime, UrgentLatency));
} else if (PrefetchMode == 1) {
- return dml_max(SREnterPlusExitTime, UrgentLatencyPixelDataOnly);
+ return dml_max(SREnterPlusExitTime, UrgentLatency);
} else {
- return UrgentLatencyPixelDataOnly;
+ return UrgentLatency;
}
}

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 b02dda8ce70f..2b4dcae4e432 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
@@ -177,10 +177,10 @@ static unsigned int CalculateVMAndRowBytes(
bool *PTEBufferSizeNotExceeded,
unsigned int *dpte_row_height,
unsigned int *meta_row_height);
-static double CalculateTWait(
+double CalculateTWait(
unsigned int PrefetchMode,
double DRAMClockChangeLatency,
- double UrgentLatencyPixelDataOnly,
+ double UrgentLatency,
double SREnterPlusExitTime);
static double CalculateRemoteSurfaceFlipDelay(
struct display_mode_lib *mode_lib,
@@ -2967,23 +2967,6 @@ static void dml20v2_DisplayPipeConfiguration(struct display_mode_lib *mode_lib)
}
}

-static double CalculateTWait(
- unsigned int PrefetchMode,
- double DRAMClockChangeLatency,
- double UrgentLatencyPixelDataOnly,
- double SREnterPlusExitTime)
-{
- if (PrefetchMode == 0) {
- return dml_max(
- DRAMClockChangeLatency + UrgentLatencyPixelDataOnly,
- dml_max(SREnterPlusExitTime, UrgentLatencyPixelDataOnly));
- } else if (PrefetchMode == 1) {
- return dml_max(SREnterPlusExitTime, UrgentLatencyPixelDataOnly);
- } else {
- return UrgentLatencyPixelDataOnly;
- }
-}
-
static double CalculateRemoteSurfaceFlipDelay(
struct display_mode_lib *mode_lib,
double VRatio,
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 6be14f55c78d..a3ef3638d979 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
@@ -205,7 +205,7 @@ static unsigned int CalculateVMAndRowBytes(
unsigned int *DPDE0BytesFrame,
unsigned int *MetaPTEBytesFrame);

-static double CalculateTWait(
+double CalculateTWait(
unsigned int PrefetchMode,
double DRAMClockChangeLatency,
double UrgentLatency,
@@ -2980,23 +2980,6 @@ static void DisplayPipeConfiguration(struct display_mode_lib *mode_lib)
}
}

-static double CalculateTWait(
- unsigned int PrefetchMode,
- double DRAMClockChangeLatency,
- double UrgentLatency,
- double SREnterPlusExitTime)
-{
- if (PrefetchMode == 0) {
- return dml_max(
- DRAMClockChangeLatency + UrgentLatency,
- dml_max(SREnterPlusExitTime, UrgentLatency));
- } else if (PrefetchMode == 1) {
- return dml_max(SREnterPlusExitTime, UrgentLatency);
- } else {
- return UrgentLatency;
- }
-}
-
static double CalculateRemoteSurfaceFlipDelay(
struct display_mode_lib *mode_lib,
double VRatio,
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 229548733177..74f5d9742f59 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
@@ -216,7 +216,7 @@ static unsigned int CalculateVMAndRowBytes(
unsigned int *PTERequestSize,
unsigned int *DPDE0BytesFrame,
unsigned int *MetaPTEBytesFrame);
-static double CalculateTWait(
+double CalculateTWait(
unsigned int PrefetchMode,
double DRAMClockChangeLatency,
double UrgentLatency,
@@ -3191,22 +3191,6 @@ void dml30_CalculateBytePerPixelAnd256BBlockSizes(
}
}

-static double CalculateTWait(
- unsigned int PrefetchMode,
- double DRAMClockChangeLatency,
- double UrgentLatency,
- double SREnterPlusExitTime)
-{
- if (PrefetchMode == 0) {
- return dml_max(DRAMClockChangeLatency + UrgentLatency,
- dml_max(SREnterPlusExitTime, UrgentLatency));
- } else if (PrefetchMode == 1) {
- return dml_max(SREnterPlusExitTime, UrgentLatency);
- } else {
- return UrgentLatency;
- }
-}
-
double dml30_CalculateWriteBackDISPCLK(
enum source_format_class WritebackPixelFormat,
double PixelClock,
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn31/display_mode_vba_31.c b/drivers/gpu/drm/amd/display/dc/dml/dcn31/display_mode_vba_31.c
index 58dc4c046cf4..4563342275f1 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn31/display_mode_vba_31.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn31/display_mode_vba_31.c
@@ -230,7 +230,7 @@ static unsigned int CalculateVMAndRowBytes(
unsigned int *PTERequestSize,
int *DPDE0BytesFrame,
int *MetaPTEBytesFrame);
-static double CalculateTWait(unsigned int PrefetchMode, double DRAMClockChangeLatency, double UrgentLatency, double SREnterPlusExitTime);
+double CalculateTWait(unsigned int PrefetchMode, double DRAMClockChangeLatency, double UrgentLatency, double SREnterPlusExitTime);
static void CalculateRowBandwidth(
bool GPUVMEnable,
enum source_format_class SourcePixelFormat,
@@ -3323,17 +3323,6 @@ static void DisplayPipeConfiguration(struct display_mode_lib *mode_lib)
&dummysinglestring);
}

-static double CalculateTWait(unsigned int PrefetchMode, double DRAMClockChangeLatency, double UrgentLatency, double SREnterPlusExitTime)
-{
- if (PrefetchMode == 0) {
- return dml_max(DRAMClockChangeLatency + UrgentLatency, dml_max(SREnterPlusExitTime, UrgentLatency));
- } else if (PrefetchMode == 1) {
- return dml_max(SREnterPlusExitTime, UrgentLatency);
- } else {
- return UrgentLatency;
- }
-}
-
double dml31_CalculateWriteBackDISPCLK(
enum source_format_class WritebackPixelFormat,
double PixelClock,
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c b/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c
index 7024412fe441..89a80eef42f4 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c
@@ -244,7 +244,7 @@ static unsigned int CalculateVMAndRowBytes(
unsigned int *PTERequestSize,
int *DPDE0BytesFrame,
int *MetaPTEBytesFrame);
-static double CalculateTWait(unsigned int PrefetchMode, double DRAMClockChangeLatency, double UrgentLatency, double SREnterPlusExitTime);
+double CalculateTWait(unsigned int PrefetchMode, double DRAMClockChangeLatency, double UrgentLatency, double SREnterPlusExitTime);
static void CalculateRowBandwidth(
bool GPUVMEnable,
enum source_format_class SourcePixelFormat,
@@ -3547,17 +3547,6 @@ static bool CalculateBytePerPixelAnd256BBlockSizes(
return true;
}

-static double CalculateTWait(unsigned int PrefetchMode, double DRAMClockChangeLatency, double UrgentLatency, double SREnterPlusExitTime)
-{
- if (PrefetchMode == 0) {
- return dml_max(DRAMClockChangeLatency + UrgentLatency, dml_max(SREnterPlusExitTime, UrgentLatency));
- } else if (PrefetchMode == 1) {
- return dml_max(SREnterPlusExitTime, UrgentLatency);
- } else {
- return UrgentLatency;
- }
-}
-
double dml314_CalculateWriteBackDISPCLK(
enum source_format_class WritebackPixelFormat,
double PixelClock,
--
2.27.0