The MaximumDCCCompressionYSurface variable from the struct vba_vars_st is
only used on assignments, so its value is not used on code. So,
remove the MaximumDCCCompressionYSurface entry from the struct vba_vars_st.

Signed-off-by: Maíra Canal <mairaca...@riseup.net>
---
 .../amd/display/dc/dml/dcn21/display_mode_vba_21.c  | 13 +++----------
 .../gpu/drm/amd/display/dc/dml/display_mode_vba.h   |  1 -
 2 files changed, 3 insertions(+), 11 deletions(-)

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 bc8cc21cf3f6..7007b6e16e7d 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
@@ -143,7 +143,7 @@ static bool CalculatePrefetchSchedule(
                double *VReadyOffsetPix);
 static double RoundToDFSGranularityUp(double Clock, double VCOSpeed);
 static double RoundToDFSGranularityDown(double Clock, double VCOSpeed);
-static double CalculateDCCConfiguration(
+static void CalculateDCCConfiguration(
                bool                 DCCEnabled,
                bool                 DCCProgrammingAssumesScanDirectionUnknown,
                unsigned int         ViewportWidth,
@@ -1072,7 +1072,7 @@ static double RoundToDFSGranularityDown(double Clock, 
double VCOSpeed)
        return VCOSpeed * 4 / dml_ceil(VCOSpeed * 4 / Clock, 1);
 }
 
-static double CalculateDCCConfiguration(
+static void CalculateDCCConfiguration(
                bool DCCEnabled,
                bool DCCProgrammingAssumesScanDirectionUnknown,
                unsigned int ViewportWidth,
@@ -1087,7 +1087,6 @@ static double CalculateDCCConfiguration(
                unsigned int *MaxCompressedBlock,
                unsigned int *Independent64ByteBlock)
 {
-       double MaximumDCCCompressionSurface = 0.0;
        enum {
                REQ_256Bytes,
                REQ_128BytesNonContiguous,
@@ -1185,25 +1184,19 @@ static double CalculateDCCConfiguration(
                *MaxUncompressedBlock = 256;
                *MaxCompressedBlock = 256;
                *Independent64ByteBlock = false;
-               MaximumDCCCompressionSurface = 4.0;
        } else if (Request == REQ_128BytesContiguous) {
                *MaxUncompressedBlock = 128;
                *MaxCompressedBlock = 128;
                *Independent64ByteBlock = false;
-               MaximumDCCCompressionSurface = 2.0;
        } else if (Request == REQ_128BytesNonContiguous) {
                *MaxUncompressedBlock = 256;
                *MaxCompressedBlock = 64;
                *Independent64ByteBlock = true;
-               MaximumDCCCompressionSurface = 4.0;
        } else {
                *MaxUncompressedBlock = 0;
                *MaxCompressedBlock = 0;
                *Independent64ByteBlock = 0;
-               MaximumDCCCompressionSurface = 0.0;
        }
-
-       return MaximumDCCCompressionSurface;
 }
 
 static double CalculatePrefetchSourceLines(
@@ -2568,7 +2561,7 @@ static void 
DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerforman
        // DCC Configuration
        mode_lib->vba.ActiveDPPs = 0;
        for (k = 0; k < mode_lib->vba.NumberOfActivePlanes; ++k) {
-               locals->MaximumDCCCompressionYSurface[k] = 
CalculateDCCConfiguration(
+               CalculateDCCConfiguration(
                        mode_lib->vba.DCCEnable[k],
                        false, // We should always know the direction 
DCCProgrammingAssumesScanDirectionUnknown,
                        mode_lib->vba.ViewportWidth[k],
diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.h 
b/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.h
index 46e69f941bff..a07e97035dd1 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.h
@@ -1032,7 +1032,6 @@ struct vba_vars_st {
        unsigned int DCCYMaxUncompressedBlock[DC__NUM_DPP__MAX];
        unsigned int DCCYMaxCompressedBlock[DC__NUM_DPP__MAX];
        unsigned int DCCYIndependent64ByteBlock[DC__NUM_DPP__MAX];
-       double MaximumDCCCompressionYSurface[DC__NUM_DPP__MAX];
        unsigned int BlockHeight256BytesY[DC__NUM_DPP__MAX];
        unsigned int BlockHeight256BytesC[DC__NUM_DPP__MAX];
        unsigned int BlockWidth256BytesY[DC__NUM_DPP__MAX];
-- 
2.37.1

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