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drm/amd/display: reduce stack for dml32_CalculateSwathAndDETConfiguration 

Move stack variables to dummy structure.

Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
This commit is contained in:
Alex Deucher 2022-07-20 23:06:49 -04:00
parent 7acc487ab5
commit bac4b41d91
4 changed files with 77 additions and 64 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c
View File

@ -221,6 +221,7 @@ static void DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerforman
// VBA_DELTA
// Calculate DET size, swath height
dml32_CalculateSwathAndDETConfiguration(
&v->dummy_vars.dml32_CalculateSwathAndDETConfiguration,
mode_lib->vba.DETSizeOverride,
mode_lib->vba.UsesMALLForPStateChange,
mode_lib->vba.ConfigReturnBufferSizeInKByte,
@ -1878,6 +1879,7 @@ void dml32_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
}
dml32_CalculateSwathAndDETConfiguration(
&v->dummy_vars.dml32_CalculateSwathAndDETConfiguration,
mode_lib->vba.DETSizeOverride,
mode_lib->vba.UsesMALLForPStateChange,
mode_lib->vba.ConfigReturnBufferSizeInKByte,
@ -2474,6 +2476,7 @@ void dml32_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
}
dml32_CalculateSwathAndDETConfiguration(
&v->dummy_vars.dml32_CalculateSwathAndDETConfiguration,
mode_lib->vba.DETSizeOverride,
mode_lib->vba.UsesMALLForPStateChange,
mode_lib->vba.ConfigReturnBufferSizeInKByte,

121
drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
View File

@ -391,6 +391,7 @@ void dml32_CalculateBytePerPixelAndBlockSizes(
} // CalculateBytePerPixelAndBlockSizes
void dml32_CalculateSwathAndDETConfiguration(
struct dml32_CalculateSwathAndDETConfiguration *st_vars,
unsigned int DETSizeOverride[],
enum dm_use_mall_for_pstate_change_mode UseMALLForPStateChange[],
unsigned int ConfigReturnBufferSizeInKByte,
@ -455,18 +456,10 @@ void dml32_CalculateSwathAndDETConfiguration(
bool ViewportSizeSupportPerSurface[],
bool *ViewportSizeSupport)
{
unsigned int MaximumSwathHeightY[DC__NUM_DPP__MAX];
unsigned int MaximumSwathHeightC[DC__NUM_DPP__MAX];
unsigned int RoundedUpMaxSwathSizeBytesY[DC__NUM_DPP__MAX];
unsigned int RoundedUpMaxSwathSizeBytesC[DC__NUM_DPP__MAX];
unsigned int RoundedUpSwathSizeBytesY;
unsigned int RoundedUpSwathSizeBytesC;
double SwathWidthdoubleDPP[DC__NUM_DPP__MAX];
double SwathWidthdoubleDPPChroma[DC__NUM_DPP__MAX];
unsigned int k;
unsigned int TotalActiveDPP = 0;
bool NoChromaSurfaces = true;
unsigned int DETBufferSizeInKByteForSwathCalculation;
st_vars->TotalActiveDPP = 0;
st_vars->NoChromaSurfaces = true;
#ifdef __DML_VBA_DEBUG__
dml_print("DML::%s: ForceSingleDPP = %d\n", __func__, ForceSingleDPP);
@ -501,43 +494,43 @@ void dml32_CalculateSwathAndDETConfiguration(
DPPPerSurface,
/* Output */
SwathWidthdoubleDPP,
SwathWidthdoubleDPPChroma,
st_vars->SwathWidthdoubleDPP,
st_vars->SwathWidthdoubleDPPChroma,
SwathWidth,
SwathWidthChroma,
MaximumSwathHeightY,
MaximumSwathHeightC,
st_vars->MaximumSwathHeightY,
st_vars->MaximumSwathHeightC,
swath_width_luma_ub,
swath_width_chroma_ub);
for (k = 0; k < NumberOfActiveSurfaces; ++k) {
RoundedUpMaxSwathSizeBytesY[k] = swath_width_luma_ub[k] * BytePerPixDETY[k] * MaximumSwathHeightY[k];
RoundedUpMaxSwathSizeBytesC[k] = swath_width_chroma_ub[k] * BytePerPixDETC[k] * MaximumSwathHeightC[k];
st_vars->RoundedUpMaxSwathSizeBytesY[k] = swath_width_luma_ub[k] * BytePerPixDETY[k] * st_vars->MaximumSwathHeightY[k];
st_vars->RoundedUpMaxSwathSizeBytesC[k] = swath_width_chroma_ub[k] * BytePerPixDETC[k] * st_vars->MaximumSwathHeightC[k];
#ifdef __DML_VBA_DEBUG__
dml_print("DML::%s: k=%0d DPPPerSurface = %d\n", __func__, k, DPPPerSurface[k]);
dml_print("DML::%s: k=%0d swath_width_luma_ub = %d\n", __func__, k, swath_width_luma_ub[k]);
dml_print("DML::%s: k=%0d BytePerPixDETY = %f\n", __func__, k, BytePerPixDETY[k]);
dml_print("DML::%s: k=%0d MaximumSwathHeightY = %d\n", __func__, k, MaximumSwathHeightY[k]);
dml_print("DML::%s: k=%0d MaximumSwathHeightY = %d\n", __func__, k, st_vars->MaximumSwathHeightY[k]);
dml_print("DML::%s: k=%0d RoundedUpMaxSwathSizeBytesY = %d\n", __func__, k,
RoundedUpMaxSwathSizeBytesY[k]);
st_vars->RoundedUpMaxSwathSizeBytesY[k]);
dml_print("DML::%s: k=%0d swath_width_chroma_ub = %d\n", __func__, k, swath_width_chroma_ub[k]);
dml_print("DML::%s: k=%0d BytePerPixDETC = %f\n", __func__, k, BytePerPixDETC[k]);
dml_print("DML::%s: k=%0d MaximumSwathHeightC = %d\n", __func__, k, MaximumSwathHeightC[k]);
dml_print("DML::%s: k=%0d MaximumSwathHeightC = %d\n", __func__, k, st_vars->MaximumSwathHeightC[k]);
dml_print("DML::%s: k=%0d RoundedUpMaxSwathSizeBytesC = %d\n", __func__, k,
RoundedUpMaxSwathSizeBytesC[k]);
st_vars->RoundedUpMaxSwathSizeBytesC[k]);
#endif
if (SourcePixelFormat[k] == dm_420_10) {
RoundedUpMaxSwathSizeBytesY[k] = dml_ceil((unsigned int) RoundedUpMaxSwathSizeBytesY[k], 256);
RoundedUpMaxSwathSizeBytesC[k] = dml_ceil((unsigned int) RoundedUpMaxSwathSizeBytesC[k], 256);
st_vars->RoundedUpMaxSwathSizeBytesY[k] = dml_ceil((unsigned int) st_vars->RoundedUpMaxSwathSizeBytesY[k], 256);
st_vars->RoundedUpMaxSwathSizeBytesC[k] = dml_ceil((unsigned int) st_vars->RoundedUpMaxSwathSizeBytesC[k], 256);
}
}
for (k = 0; k < NumberOfActiveSurfaces; ++k) {
TotalActiveDPP = TotalActiveDPP + (ForceSingleDPP ? 1 : DPPPerSurface[k]);
st_vars->TotalActiveDPP = st_vars->TotalActiveDPP + (ForceSingleDPP ? 1 : DPPPerSurface[k]);
if (SourcePixelFormat[k] == dm_420_8 || SourcePixelFormat[k] == dm_420_10 ||
SourcePixelFormat[k] == dm_420_12 || SourcePixelFormat[k] == dm_rgbe_alpha) {
NoChromaSurfaces = false;
st_vars->NoChromaSurfaces = false;
}
}
@ -547,10 +540,10 @@ void dml32_CalculateSwathAndDETConfiguration(
// if unbounded req is enabled, program reserved space such that the ROB will not hold more than 8 swaths worth of data
// - assume worst-case compression rate of 4. [ROB size - 8 * swath_size / max_compression ratio]
// - assume for "narrow" vp case in which the ROB can fit 8 swaths, the DET should be big enough to do full size req
*CompBufReservedSpaceNeedAdjustment = ((int) ROBSizeKBytes - (int) *CompBufReservedSpaceKBytes) > (int) (RoundedUpMaxSwathSizeBytesY[0]/512);
*CompBufReservedSpaceNeedAdjustment = ((int) ROBSizeKBytes - (int) *CompBufReservedSpaceKBytes) > (int) (st_vars->RoundedUpMaxSwathSizeBytesY[0]/512);
if (*CompBufReservedSpaceNeedAdjustment == 1) {
*CompBufReservedSpaceKBytes = ROBSizeKBytes - RoundedUpMaxSwathSizeBytesY[0]/512;
*CompBufReservedSpaceKBytes = ROBSizeKBytes - st_vars->RoundedUpMaxSwathSizeBytesY[0]/512;
}
#ifdef __DML_VBA_DEBUG__
@ -558,7 +551,7 @@ void dml32_CalculateSwathAndDETConfiguration(
dml_print("DML::%s: CompBufReservedSpaceNeedAdjustment = %d\n", __func__, *CompBufReservedSpaceNeedAdjustment);
#endif
*UnboundedRequestEnabled = dml32_UnboundedRequest(UseUnboundedRequestingFinal, TotalActiveDPP, NoChromaSurfaces, Output[0], SurfaceTiling[0], *CompBufReservedSpaceNeedAdjustment, DisableUnboundRequestIfCompBufReservedSpaceNeedAdjustment);
*UnboundedRequestEnabled = dml32_UnboundedRequest(UseUnboundedRequestingFinal, st_vars->TotalActiveDPP, st_vars->NoChromaSurfaces, Output[0], SurfaceTiling[0], *CompBufReservedSpaceNeedAdjustment, DisableUnboundRequestIfCompBufReservedSpaceNeedAdjustment);
dml32_CalculateDETBufferSize(DETSizeOverride,
UseMALLForPStateChange,
@ -573,8 +566,8 @@ void dml32_CalculateSwathAndDETConfiguration(
SourcePixelFormat,
ReadBandwidthLuma,
ReadBandwidthChroma,
RoundedUpMaxSwathSizeBytesY,
RoundedUpMaxSwathSizeBytesC,
st_vars->RoundedUpMaxSwathSizeBytesY,
st_vars->RoundedUpMaxSwathSizeBytesC,
DPPPerSurface,
/* Output */
@ -582,7 +575,7 @@ void dml32_CalculateSwathAndDETConfiguration(
CompressedBufferSizeInkByte);
#ifdef __DML_VBA_DEBUG__
dml_print("DML::%s: TotalActiveDPP = %d\n", __func__, TotalActiveDPP);
dml_print("DML::%s: TotalActiveDPP = %d\n", __func__, st_vars->TotalActiveDPP);
dml_print("DML::%s: nomDETInKByte = %d\n", __func__, nomDETInKByte);
dml_print("DML::%s: ConfigReturnBufferSizeInKByte = %d\n", __func__, ConfigReturnBufferSizeInKByte);
dml_print("DML::%s: UseUnboundedRequestingFinal = %d\n", __func__, UseUnboundedRequestingFinal);
@ -593,42 +586,42 @@ void dml32_CalculateSwathAndDETConfiguration(
*ViewportSizeSupport = true;
for (k = 0; k < NumberOfActiveSurfaces; ++k) {
DETBufferSizeInKByteForSwathCalculation = (UseMALLForPStateChange[k] ==
st_vars->DETBufferSizeInKByteForSwathCalculation = (UseMALLForPStateChange[k] ==
dm_use_mall_pstate_change_phantom_pipe ? 1024 : DETBufferSizeInKByte[k]);
#ifdef __DML_VBA_DEBUG__
dml_print("DML::%s: k=%0d DETBufferSizeInKByteForSwathCalculation = %d\n", __func__, k,
DETBufferSizeInKByteForSwathCalculation);
st_vars->DETBufferSizeInKByteForSwathCalculation);
#endif
if (RoundedUpMaxSwathSizeBytesY[k] + RoundedUpMaxSwathSizeBytesC[k] <=
DETBufferSizeInKByteForSwathCalculation * 1024 / 2) {
SwathHeightY[k] = MaximumSwathHeightY[k];
SwathHeightC[k] = MaximumSwathHeightC[k];
RoundedUpSwathSizeBytesY = RoundedUpMaxSwathSizeBytesY[k];
RoundedUpSwathSizeBytesC = RoundedUpMaxSwathSizeBytesC[k];
} else if (RoundedUpMaxSwathSizeBytesY[k] >= 1.5 * RoundedUpMaxSwathSizeBytesC[k] &&
RoundedUpMaxSwathSizeBytesY[k] / 2 + RoundedUpMaxSwathSizeBytesC[k] <=
DETBufferSizeInKByteForSwathCalculation * 1024 / 2) {
SwathHeightY[k] = MaximumSwathHeightY[k] / 2;
SwathHeightC[k] = MaximumSwathHeightC[k];
RoundedUpSwathSizeBytesY = RoundedUpMaxSwathSizeBytesY[k] / 2;
RoundedUpSwathSizeBytesC = RoundedUpMaxSwathSizeBytesC[k];
} else if (RoundedUpMaxSwathSizeBytesY[k] < 1.5 * RoundedUpMaxSwathSizeBytesC[k] &&
RoundedUpMaxSwathSizeBytesY[k] + RoundedUpMaxSwathSizeBytesC[k] / 2 <=
DETBufferSizeInKByteForSwathCalculation * 1024 / 2) {
SwathHeightY[k] = MaximumSwathHeightY[k];
SwathHeightC[k] = MaximumSwathHeightC[k] / 2;
RoundedUpSwathSizeBytesY = RoundedUpMaxSwathSizeBytesY[k];
RoundedUpSwathSizeBytesC = RoundedUpMaxSwathSizeBytesC[k] / 2;
if (st_vars->RoundedUpMaxSwathSizeBytesY[k] + st_vars->RoundedUpMaxSwathSizeBytesC[k] <=
st_vars->DETBufferSizeInKByteForSwathCalculation * 1024 / 2) {
SwathHeightY[k] = st_vars->MaximumSwathHeightY[k];
SwathHeightC[k] = st_vars->MaximumSwathHeightC[k];
st_vars->RoundedUpSwathSizeBytesY = st_vars->RoundedUpMaxSwathSizeBytesY[k];
st_vars->RoundedUpSwathSizeBytesC = st_vars->RoundedUpMaxSwathSizeBytesC[k];
} else if (st_vars->RoundedUpMaxSwathSizeBytesY[k] >= 1.5 * st_vars->RoundedUpMaxSwathSizeBytesC[k] &&
st_vars->RoundedUpMaxSwathSizeBytesY[k] / 2 + st_vars->RoundedUpMaxSwathSizeBytesC[k] <=
st_vars->DETBufferSizeInKByteForSwathCalculation * 1024 / 2) {
SwathHeightY[k] = st_vars->MaximumSwathHeightY[k] / 2;
SwathHeightC[k] = st_vars->MaximumSwathHeightC[k];
st_vars->RoundedUpSwathSizeBytesY = st_vars->RoundedUpMaxSwathSizeBytesY[k] / 2;
st_vars->RoundedUpSwathSizeBytesC = st_vars->RoundedUpMaxSwathSizeBytesC[k];
} else if (st_vars->RoundedUpMaxSwathSizeBytesY[k] < 1.5 * st_vars->RoundedUpMaxSwathSizeBytesC[k] &&
st_vars->RoundedUpMaxSwathSizeBytesY[k] + st_vars->RoundedUpMaxSwathSizeBytesC[k] / 2 <=
st_vars->DETBufferSizeInKByteForSwathCalculation * 1024 / 2) {
SwathHeightY[k] = st_vars->MaximumSwathHeightY[k];
SwathHeightC[k] = st_vars->MaximumSwathHeightC[k] / 2;
st_vars->RoundedUpSwathSizeBytesY = st_vars->RoundedUpMaxSwathSizeBytesY[k];
st_vars->RoundedUpSwathSizeBytesC = st_vars->RoundedUpMaxSwathSizeBytesC[k] / 2;
} else {
SwathHeightY[k] = MaximumSwathHeightY[k] / 2;
SwathHeightC[k] = MaximumSwathHeightC[k] / 2;
RoundedUpSwathSizeBytesY = RoundedUpMaxSwathSizeBytesY[k] / 2;
RoundedUpSwathSizeBytesC = RoundedUpMaxSwathSizeBytesC[k] / 2;
SwathHeightY[k] = st_vars->MaximumSwathHeightY[k] / 2;
SwathHeightC[k] = st_vars->MaximumSwathHeightC[k] / 2;
st_vars->RoundedUpSwathSizeBytesY = st_vars->RoundedUpMaxSwathSizeBytesY[k] / 2;
st_vars->RoundedUpSwathSizeBytesC = st_vars->RoundedUpMaxSwathSizeBytesC[k] / 2;
}
if ((RoundedUpMaxSwathSizeBytesY[k] / 2 + RoundedUpMaxSwathSizeBytesC[k] / 2 >
DETBufferSizeInKByteForSwathCalculation * 1024 / 2)
if ((st_vars->RoundedUpMaxSwathSizeBytesY[k] / 2 + st_vars->RoundedUpMaxSwathSizeBytesC[k] / 2 >
st_vars->DETBufferSizeInKByteForSwathCalculation * 1024 / 2)
|| SwathWidth[k] > MaximumSwathWidthLuma[k] || (SwathHeightC[k] > 0 &&
SwathWidthChroma[k] > MaximumSwathWidthChroma[k])) {
*ViewportSizeSupport = false;
@ -643,7 +636,7 @@ void dml32_CalculateSwathAndDETConfiguration(
#endif
DETBufferSizeY[k] = DETBufferSizeInKByte[k] * 1024;
DETBufferSizeC[k] = 0;
} else if (RoundedUpSwathSizeBytesY <= 1.5 * RoundedUpSwathSizeBytesC) {
} else if (st_vars->RoundedUpSwathSizeBytesY <= 1.5 * st_vars->RoundedUpSwathSizeBytesC) {
#ifdef __DML_VBA_DEBUG__
dml_print("DML::%s: k=%0d Half DET for plane0, half for plane1\n", __func__, k);
#endif
@ -661,11 +654,11 @@ void dml32_CalculateSwathAndDETConfiguration(
dml_print("DML::%s: k=%0d SwathHeightY = %d\n", __func__, k, SwathHeightY[k]);
dml_print("DML::%s: k=%0d SwathHeightC = %d\n", __func__, k, SwathHeightC[k]);
dml_print("DML::%s: k=%0d RoundedUpMaxSwathSizeBytesY = %d\n", __func__,
k, RoundedUpMaxSwathSizeBytesY[k]);
k, st_vars->RoundedUpMaxSwathSizeBytesY[k]);
dml_print("DML::%s: k=%0d RoundedUpMaxSwathSizeBytesC = %d\n", __func__,
k, RoundedUpMaxSwathSizeBytesC[k]);
dml_print("DML::%s: k=%0d RoundedUpSwathSizeBytesY = %d\n", __func__, k, RoundedUpSwathSizeBytesY);
dml_print("DML::%s: k=%0d RoundedUpSwathSizeBytesC = %d\n", __func__, k, RoundedUpSwathSizeBytesC);
k, st_vars->RoundedUpMaxSwathSizeBytesC[k]);
dml_print("DML::%s: k=%0d RoundedUpSwathSizeBytesY = %d\n", __func__, k, st_vars->RoundedUpSwathSizeBytesY);
dml_print("DML::%s: k=%0d RoundedUpSwathSizeBytesC = %d\n", __func__, k, st_vars->RoundedUpSwathSizeBytesC);
dml_print("DML::%s: k=%0d DETBufferSizeInKByte = %d\n", __func__, k, DETBufferSizeInKByte[k]);
dml_print("DML::%s: k=%0d DETBufferSizeY = %d\n", __func__, k, DETBufferSizeY[k]);
dml_print("DML::%s: k=%0d DETBufferSizeC = %d\n", __func__, k, DETBufferSizeC[k]);

2
drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.h
View File

@ -30,6 +30,7 @@
#include "os_types.h"
#include "../dc_features.h"
#include "../display_mode_structs.h"
#include "dml/display_mode_vba.h"
unsigned int dml32_dscceComputeDelay(
unsigned int bpc,
@ -81,6 +82,7 @@ void dml32_CalculateSinglePipeDPPCLKAndSCLThroughput(
double *DPPCLKUsingSingleDPP);
void dml32_CalculateSwathAndDETConfiguration(
struct dml32_CalculateSwathAndDETConfiguration *st_vars,
unsigned int DETSizeOverride[],
enum dm_use_mall_for_pstate_change_mode UseMALLForPStateChange[],
unsigned int ConfigReturnBufferSizeInKByte,

15
drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.h
View File

@ -182,6 +182,20 @@ void Calculate256BBlockSizes(
unsigned int *BlockWidth256BytesY,
unsigned int *BlockWidth256BytesC);
struct dml32_CalculateSwathAndDETConfiguration {
unsigned int MaximumSwathHeightY[DC__NUM_DPP__MAX];
unsigned int MaximumSwathHeightC[DC__NUM_DPP__MAX];
unsigned int RoundedUpMaxSwathSizeBytesY[DC__NUM_DPP__MAX];
unsigned int RoundedUpMaxSwathSizeBytesC[DC__NUM_DPP__MAX];
unsigned int RoundedUpSwathSizeBytesY;
unsigned int RoundedUpSwathSizeBytesC;
double SwathWidthdoubleDPP[DC__NUM_DPP__MAX];
double SwathWidthdoubleDPPChroma[DC__NUM_DPP__MAX];
unsigned int TotalActiveDPP;
bool NoChromaSurfaces;
unsigned int DETBufferSizeInKByteForSwathCalculation;
};
struct DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerformanceCalculation {
unsigned int dummy_integer_array[2][DC__NUM_DPP__MAX];
double dummy_single_array[2][DC__NUM_DPP__MAX];
@ -253,6 +267,7 @@ struct dummy_vars {
struct DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerformanceCalculation
DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerformanceCalculation;
struct dml32_ModeSupportAndSystemConfigurationFull dml32_ModeSupportAndSystemConfigurationFull;
struct dml32_CalculateSwathAndDETConfiguration dml32_CalculateSwathAndDETConfiguration;
};
struct vba_vars_st {