Re: [PATCH] drm/amd/display: Remove unused variables from vba_vars_st

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Applied.  Thanks!

Alex

On Thu, Jun 30, 2022 at 5:53 PM Maíra Canal <mairacanal@xxxxxxxxxx> wrote:
>
> Some variables from the struct vba_vars_st are not referenced in any
> other place on the codebase. As they are not used, this commit removes
> those variables.
>
> Signed-off-by: Maíra Canal <mairacanal@xxxxxxxxxx>
> ---
>
> Unused variables from structs are not warned by compilers, so they are a bit
> harder to find. In order to find these unused variables, I used git grep and
> checked if they were used anywhere else.
>
> Any feedback or suggestion (maybe a tool to check unused variables from structs)
> is welcomed!
>
> Best Regards,
> - Maíra Canal
>
> ---
>  .../drm/amd/display/dc/dml/display_mode_vba.c |  1 -
>  .../drm/amd/display/dc/dml/display_mode_vba.h | 33 -------------------
>  2 files changed, 34 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c b/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c
> index ed23c7c79d86..6b3918609d26 100644
> --- a/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c
> +++ b/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c
> @@ -346,7 +346,6 @@ static void fetch_socbb_params(struct display_mode_lib *mode_lib)
>         mode_lib->vba.DRAMClockChangeRequirementFinal = 1;
>         mode_lib->vba.FCLKChangeRequirementFinal = 1;
>         mode_lib->vba.USRRetrainingRequiredFinal = 1;
> -       mode_lib->vba.ConfigurableDETSizeEnFinal = 0;
>         mode_lib->vba.AllowForPStateChangeOrStutterInVBlankFinal = soc->allow_for_pstate_or_stutter_in_vblank_final;
>         mode_lib->vba.DRAMClockChangeLatency = soc->dram_clock_change_latency_us;
>         mode_lib->vba.DummyPStateCheck = soc->dram_clock_change_latency_us == soc->dummy_pstate_latency_us;
> 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 25a9a606ab6f..e95b2199d85a 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
> @@ -232,7 +232,6 @@ struct vba_vars_st {
>         double DISPCLKWithRampingRoundedToDFSGranularity;
>         double DISPCLKWithoutRampingRoundedToDFSGranularity;
>         double MaxDispclkRoundedToDFSGranularity;
> -       double MaxDppclkRoundedToDFSGranularity;
>         bool DCCEnabledAnyPlane;
>         double ReturnBandwidthToDCN;
>         unsigned int TotalActiveDPP;
> @@ -249,7 +248,6 @@ struct vba_vars_st {
>         double VBlankTime;
>         double SmallestVBlank;
>         enum dm_prefetch_modes AllowForPStateChangeOrStutterInVBlankFinal; // Mode Support only
> -       double DCFCLKDeepSleepPerSurface[DC__NUM_DPP__MAX];
>         double DCFCLKDeepSleepPerPlane[DC__NUM_DPP__MAX];
>         double EffectiveDETPlusLBLinesLuma;
>         double EffectiveDETPlusLBLinesChroma;
> @@ -297,7 +295,6 @@ struct vba_vars_st {
>         double SMNLatency;
>         double FCLKChangeLatency;
>         unsigned int MALLAllocatedForDCNFinal;
> -       double DefaultGPUVMMinPageSizeKBytes; // Default for the project
>         double MaxAveragePercentOfIdealFabricBWDisplayCanUseInNormalSystemOperation;
>         double MaxAveragePercentOfIdealDRAMBWDisplayCanUseInNormalSystemOperationSTROBE;
>         double PercentOfIdealDRAMBWReceivedAfterUrgLatencySTROBE;
> @@ -819,8 +816,6 @@ struct vba_vars_st {
>         double         dummy8[DC__NUM_DPP__MAX];
>         double         dummy13[DC__NUM_DPP__MAX];
>         double         dummy_double_array[2][DC__NUM_DPP__MAX];
> -       unsigned int        dummyinteger1ms[DC__NUM_DPP__MAX];
> -       double        dummyinteger2ms[DC__NUM_DPP__MAX];
>         unsigned int        dummyinteger3[DC__NUM_DPP__MAX];
>         unsigned int        dummyinteger4[DC__NUM_DPP__MAX];
>         unsigned int        dummyinteger5;
> @@ -830,16 +825,7 @@ struct vba_vars_st {
>         unsigned int        dummyinteger9;
>         unsigned int        dummyinteger10;
>         unsigned int        dummyinteger11;
> -       unsigned int        dummyinteger12;
> -       unsigned int        dummyinteger30;
> -       unsigned int        dummyinteger31;
> -       unsigned int        dummyinteger32;
> -       unsigned int        dummyintegerarr1[DC__NUM_DPP__MAX];
> -       unsigned int        dummyintegerarr2[DC__NUM_DPP__MAX];
> -       unsigned int        dummyintegerarr3[DC__NUM_DPP__MAX];
> -       unsigned int        dummyintegerarr4[DC__NUM_DPP__MAX];
>         unsigned int        dummy_integer_array[8][DC__NUM_DPP__MAX];
> -       unsigned int        dummy_integer_array22[22][DC__NUM_DPP__MAX];
>
>         bool           dummysinglestring;
>         bool           SingleDPPViewportSizeSupportPerPlane[DC__NUM_DPP__MAX];
> @@ -980,7 +966,6 @@ struct vba_vars_st {
>         double TimePerChromaMetaChunkFlip[DC__NUM_DPP__MAX];
>         unsigned int DCCCMaxUncompressedBlock[DC__NUM_DPP__MAX];
>         unsigned int DCCCMaxCompressedBlock[DC__NUM_DPP__MAX];
> -       unsigned int DCCCIndependent64ByteBlock[DC__NUM_DPP__MAX];
>         double VStartupMargin;
>         bool NotEnoughTimeForDynamicMetadata[DC__NUM_DPP__MAX];
>
> @@ -1085,8 +1070,6 @@ struct vba_vars_st {
>         double WritebackDelayTime[DC__NUM_DPP__MAX];
>         unsigned int DCCYIndependentBlock[DC__NUM_DPP__MAX];
>         unsigned int DCCCIndependentBlock[DC__NUM_DPP__MAX];
> -       unsigned int dummyinteger15;
> -       unsigned int dummyinteger16;
>         unsigned int dummyinteger17;
>         unsigned int dummyinteger18;
>         unsigned int dummyinteger19;
> @@ -1147,17 +1130,11 @@ struct vba_vars_st {
>         int Z8NumberOfStutterBurstsPerFrame;
>         unsigned int MaximumDSCBitsPerComponent;
>         unsigned int NotEnoughUrgentLatencyHidingA[DC__VOLTAGE_STATES][2];
> -       double UrgentLatencyWithUSRRetraining;
> -       double UrgLatencyWithUSRRetraining[DC__VOLTAGE_STATES];
>         double ReadBandwidthSurfaceLuma[DC__NUM_DPP__MAX];
>         double ReadBandwidthSurfaceChroma[DC__NUM_DPP__MAX];
>         double SurfaceRequiredDISPCLKWithoutODMCombine;
>         double SurfaceRequiredDISPCLK;
> -       double SurfaceRequiredDISPCLKWithODMCombine2To1;
> -       double SurfaceRequiredDISPCLKWithODMCombine4To1;
>         double MinActiveFCLKChangeLatencySupported;
> -       double dummy14;
> -       double dummy15;
>         int MinVoltageLevel;
>         int MaxVoltageLevel;
>         unsigned int TotalNumberOfSingleDPPSurfaces[DC__VOLTAGE_STATES][2];
> @@ -1168,17 +1145,10 @@ struct vba_vars_st {
>         bool ExceededMALLSize;
>         bool PTE_BUFFER_MODE[DC__NUM_DPP__MAX];
>         unsigned int BIGK_FRAGMENT_SIZE[DC__NUM_DPP__MAX];
> -       unsigned int dummyinteger33;
>         unsigned int CompressedBufferSizeInkByteThisState;
>         enum dm_fclock_change_support FCLKChangeSupport[DC__VOLTAGE_STATES][2];
> -       Latencies myLatency;
> -       Latencies mLatency;
> -       Watermarks DummyWatermark;
>         bool USRRetrainingSupport[DC__VOLTAGE_STATES][2];
> -       bool dummyBooleanvector1[DC__NUM_DPP__MAX];
> -       bool dummyBooleanvector2[DC__NUM_DPP__MAX];
>         enum dm_use_mall_for_pstate_change_mode UsesMALLForPStateChange[DC__NUM_DPP__MAX];
> -       bool NotEnoughUrgentLatencyHiding_dml32[DC__VOLTAGE_STATES][2];
>         bool UnboundedRequestEnabledAllStates[DC__VOLTAGE_STATES][2];
>         bool SingleDPPViewportSizeSupportPerSurface[DC__NUM_DPP__MAX];
>         enum dm_use_mall_for_static_screen_mode UseMALLForStaticScreen[DC__NUM_DPP__MAX];
> @@ -1186,9 +1156,6 @@ struct vba_vars_st {
>         bool DRAMClockChangeRequirementFinal;
>         bool FCLKChangeRequirementFinal;
>         bool USRRetrainingRequiredFinal;
> -       bool MALLUseFinal;
> -       bool ConfigurableDETSizeEnFinal;
> -       bool dummyboolean;
>         unsigned int DETSizeOverride[DC__NUM_DPP__MAX];
>         unsigned int nomDETInKByte;
>         enum mpc_combine_affinity  MPCCombineUse[DC__NUM_DPP__MAX];
> --
> 2.36.1
>




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