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From:   =?UTF-8?q?Ma=C3=ADra=20Canal?= <mairacanal@riseup.net>
To:     Harry Wentland <harry.wentland@amd.com>,
        Leo Li <sunpeng.li@amd.com>,
        Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>,
        Alex Deucher <alexander.deucher@amd.com>,
        christian.koenig@amd.com, Xinhui.Pan@amd.com,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>
Cc:     amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
        linux-kernel@vger.kernel.org,
        =?UTF-8?q?Ma=C3=ADra=20Canal?= <mairacanal@riseup.net>
Subject: [PATCH] drm/amd/display: Remove unused variables from vba_vars_st
Date:   Thu, 30 Jun 2022 18:53:16 -0300
Message-Id: <20220630215316.1078841-1-mairacanal@riseup.net>
MIME-Version: 1.0
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Precedence: bulk

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@riseup.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