Hi Tom, On 9/18/22 23:37, Tom Rix wrote: > 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> Reviewed-by: Maíra Canal <mairacanal@xxxxxxxxxx> Although, it would be nice to put this function on the display_mode_vba.h file, as all DCNs use this function. Best Regards, - Maíra Canal > --- > .../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,