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Message-ID: <CADnq5_NWT-sMUMkgTU4gwjk4uX15ZYgrAV1KLPJpgLY+sEqi+A@mail.gmail.com>
Date: Tue, 5 Jul 2022 11:25:34 -0400
From: Alex Deucher <alexdeucher@...il.com>
To: Maíra Canal <mairacanal@...eup.net>
Cc: Harry Wentland <harry.wentland@....com>,
Leo Li <sunpeng.li@....com>,
Rodrigo Siqueira <Rodrigo.Siqueira@....com>,
Alex Deucher <alexander.deucher@....com>,
Christian Koenig <christian.koenig@....com>,
xinhui pan <Xinhui.Pan@....com>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
Maling list - DRI developers
<dri-devel@...ts.freedesktop.org>,
amd-gfx list <amd-gfx@...ts.freedesktop.org>,
LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/amd/display: Remove unused variables from vba_vars_st
Applied. Thanks!
Alex
On Thu, Jun 30, 2022 at 5:53 PM Maíra Canal <mairacanal@...eup.net> 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@...eup.net>
> ---
>
> 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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