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drm/amd/display: dml: move some variables to heap

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[Why&How]
To reduce stack usage, move some variables into heap in the DML function
dml32_ModeSupportAndSystemConfigurationFull()

Fixes: dda4fb85e4 ("drm/amd/display: DML changes for DCN32/321")
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Aurabindo Pillai
2022-06-10 13:13:31 -04:00
committed by Alex Deucher
parent 1f474c8742
commit d6aa8424bc
2 changed files with 10 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c
View File

@@ -1675,9 +1675,6 @@ void dml32_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
bool FullFrameMALLPStateMethod;
bool SubViewportMALLPStateMethod;
bool PhantomPipeMALLPStateMethod;
double MaxTotalVActiveRDBandwidth;
double DSTYAfterScaler[DC__NUM_DPP__MAX];
double DSTXAfterScaler[DC__NUM_DPP__MAX];
unsigned int MaximumMPCCombine;
#ifdef __DML_VBA_DEBUG__
@@ -3095,10 +3092,10 @@ void dml32_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
}
//Vertical Active BW support check
MaxTotalVActiveRDBandwidth = 0;
v->dummy_vars.dml32_ModeSupportAndSystemConfigurationFull.MaxTotalVActiveRDBandwidth = 0;
for (k = 0; k < mode_lib->vba.NumberOfActiveSurfaces; ++k) {
MaxTotalVActiveRDBandwidth = MaxTotalVActiveRDBandwidth + mode_lib->vba.ReadBandwidthLuma[k]
v->dummy_vars.dml32_ModeSupportAndSystemConfigurationFull.MaxTotalVActiveRDBandwidth += mode_lib->vba.ReadBandwidthLuma[k]
+ mode_lib->vba.ReadBandwidthChroma[k];
}
@@ -3115,7 +3112,7 @@ void dml32_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
* mode_lib->vba.DRAMChannelWidth
* (i < 2 ? mode_lib->vba.MaxAveragePercentOfIdealDRAMBWDisplayCanUseInNormalSystemOperationSTROBE : mode_lib->vba.MaxAveragePercentOfIdealDRAMBWDisplayCanUseInNormalSystemOperation) / 100);
if (MaxTotalVActiveRDBandwidth
if (v->dummy_vars.dml32_ModeSupportAndSystemConfigurationFull.MaxTotalVActiveRDBandwidth
<= mode_lib->vba.MaxTotalVerticalActiveAvailableBandwidth[i][j]) {
mode_lib->vba.TotalVerticalActiveBandwidthSupport[i][j] = true;
} else {
@@ -3281,8 +3278,8 @@ void dml32_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
mode_lib->vba.SwathHeightCThisState[k], mode_lib->vba.TWait,
/* Output */
&DSTXAfterScaler[k],
&DSTYAfterScaler[k],
&v->dummy_vars.dml32_ModeSupportAndSystemConfigurationFull.DSTXAfterScaler[k],
&v->dummy_vars.dml32_ModeSupportAndSystemConfigurationFull.DSTYAfterScaler[k],
&mode_lib->vba.LineTimesForPrefetch[k],
&mode_lib->vba.PrefetchBW[k],
&mode_lib->vba.LinesForMetaPTE[k],
@@ -3579,8 +3576,8 @@ void dml32_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
mode_lib->vba.NoOfDPPThisState,
mode_lib->vba.BytePerPixelInDETY,
mode_lib->vba.BytePerPixelInDETC,
DSTXAfterScaler,
DSTYAfterScaler,
v->dummy_vars.dml32_ModeSupportAndSystemConfigurationFull.DSTXAfterScaler,
v->dummy_vars.dml32_ModeSupportAndSystemConfigurationFull.DSTYAfterScaler,
mode_lib->vba.WritebackEnable,
mode_lib->vba.WritebackPixelFormat,
mode_lib->vba.WritebackDestinationWidth,

3
drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.h
View File

@@ -204,6 +204,9 @@ struct dml32_ModeSupportAndSystemConfigurationFull {
SOCParametersList mSOCParameters;
unsigned int MaximumSwathWidthSupportLuma;
unsigned int MaximumSwathWidthSupportChroma;
double DSTYAfterScaler[DC__NUM_DPP__MAX];
double DSTXAfterScaler[DC__NUM_DPP__MAX];
double MaxTotalVActiveRDBandwidth;
};
struct dummy_vars {