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display_mode_vba_31.c
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display_mode_vba_31.c
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/*
* Copyright 2017 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#include "dc.h"
#include "../display_mode_lib.h"
#include "../dcn30/display_mode_vba_30.h"
#include "display_mode_vba_31.h"
#include "../dml_inline_defs.h"
/*
* NOTE:
* This file is gcc-parsable HW gospel, coming straight from HW engineers.
*
* It doesn't adhere to Linux kernel style and sometimes will do things in odd
* ways. Unless there is something clearly wrong with it the code should
* remain as-is as it provides us with a guarantee from HW that it is correct.
*/
#define BPP_INVALID 0
#define BPP_BLENDED_PIPE 0xffffffff
#define DCN31_MAX_DSC_IMAGE_WIDTH 5184
#define DCN31_MAX_FMT_420_BUFFER_WIDTH 4096
#define DCN3_15_MIN_COMPBUF_SIZE_KB 128
#define DCN3_15_MAX_DET_SIZE 384
// For DML-C changes that hasn't been propagated to VBA yet
//#define __DML_VBA_ALLOW_DELTA__
// Move these to ip paramaters/constant
// At which vstartup the DML start to try if the mode can be supported
#define __DML_VBA_MIN_VSTARTUP__ 9
// Delay in DCFCLK from ARB to DET (1st num is ARB to SDPIF, 2nd number is SDPIF to DET)
#define __DML_ARB_TO_RET_DELAY__ (7 + 95)
// fudge factor for min dcfclk calclation
#define __DML_MIN_DCFCLK_FACTOR__ 1.15
typedef struct {
double DPPCLK;
double DISPCLK;
double PixelClock;
double DCFCLKDeepSleep;
unsigned int DPPPerPlane;
bool ScalerEnabled;
double VRatio;
double VRatioChroma;
enum scan_direction_class SourceScan;
unsigned int BlockWidth256BytesY;
unsigned int BlockHeight256BytesY;
unsigned int BlockWidth256BytesC;
unsigned int BlockHeight256BytesC;
unsigned int InterlaceEnable;
unsigned int NumberOfCursors;
unsigned int VBlank;
unsigned int HTotal;
unsigned int DCCEnable;
bool ODMCombineIsEnabled;
enum source_format_class SourcePixelFormat;
int BytePerPixelY;
int BytePerPixelC;
bool ProgressiveToInterlaceUnitInOPP;
} Pipe;
#define BPP_INVALID 0
#define BPP_BLENDED_PIPE 0xffffffff
static void DisplayPipeConfiguration(struct display_mode_lib *mode_lib);
static void DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerformanceCalculation(struct display_mode_lib *mode_lib);
static unsigned int dscceComputeDelay(
unsigned int bpc,
double BPP,
unsigned int sliceWidth,
unsigned int numSlices,
enum output_format_class pixelFormat,
enum output_encoder_class Output);
static unsigned int dscComputeDelay(enum output_format_class pixelFormat, enum output_encoder_class Output);
static bool CalculatePrefetchSchedule(
struct display_mode_lib *mode_lib,
double HostVMInefficiencyFactor,
Pipe *myPipe,
unsigned int DSCDelay,
double DPPCLKDelaySubtotalPlusCNVCFormater,
double DPPCLKDelaySCL,
double DPPCLKDelaySCLLBOnly,
double DPPCLKDelayCNVCCursor,
double DISPCLKDelaySubtotal,
unsigned int DPP_RECOUT_WIDTH,
enum output_format_class OutputFormat,
unsigned int MaxInterDCNTileRepeaters,
unsigned int VStartup,
unsigned int MaxVStartup,
unsigned int GPUVMPageTableLevels,
bool GPUVMEnable,
bool HostVMEnable,
unsigned int HostVMMaxNonCachedPageTableLevels,
double HostVMMinPageSize,
bool DynamicMetadataEnable,
bool DynamicMetadataVMEnabled,
int DynamicMetadataLinesBeforeActiveRequired,
unsigned int DynamicMetadataTransmittedBytes,
double UrgentLatency,
double UrgentExtraLatency,
double TCalc,
unsigned int PDEAndMetaPTEBytesFrame,
unsigned int MetaRowByte,
unsigned int PixelPTEBytesPerRow,
double PrefetchSourceLinesY,
unsigned int SwathWidthY,
double VInitPreFillY,
unsigned int MaxNumSwathY,
double PrefetchSourceLinesC,
unsigned int SwathWidthC,
double VInitPreFillC,
unsigned int MaxNumSwathC,
int swath_width_luma_ub,
int swath_width_chroma_ub,
unsigned int SwathHeightY,
unsigned int SwathHeightC,
double TWait,
double *DSTXAfterScaler,
double *DSTYAfterScaler,
double *DestinationLinesForPrefetch,
double *PrefetchBandwidth,
double *DestinationLinesToRequestVMInVBlank,
double *DestinationLinesToRequestRowInVBlank,
double *VRatioPrefetchY,
double *VRatioPrefetchC,
double *RequiredPrefetchPixDataBWLuma,
double *RequiredPrefetchPixDataBWChroma,
bool *NotEnoughTimeForDynamicMetadata,
double *Tno_bw,
double *prefetch_vmrow_bw,
double *Tdmdl_vm,
double *Tdmdl,
double *TSetup,
int *VUpdateOffsetPix,
double *VUpdateWidthPix,
double *VReadyOffsetPix);
static double RoundToDFSGranularityUp(double Clock, double VCOSpeed);
static double RoundToDFSGranularityDown(double Clock, double VCOSpeed);
static void CalculateDCCConfiguration(
bool DCCEnabled,
bool DCCProgrammingAssumesScanDirectionUnknown,
enum source_format_class SourcePixelFormat,
unsigned int SurfaceWidthLuma,
unsigned int SurfaceWidthChroma,
unsigned int SurfaceHeightLuma,
unsigned int SurfaceHeightChroma,
double DETBufferSize,
unsigned int RequestHeight256ByteLuma,
unsigned int RequestHeight256ByteChroma,
enum dm_swizzle_mode TilingFormat,
unsigned int BytePerPixelY,
unsigned int BytePerPixelC,
double BytePerPixelDETY,
double BytePerPixelDETC,
enum scan_direction_class ScanOrientation,
unsigned int *MaxUncompressedBlockLuma,
unsigned int *MaxUncompressedBlockChroma,
unsigned int *MaxCompressedBlockLuma,
unsigned int *MaxCompressedBlockChroma,
unsigned int *IndependentBlockLuma,
unsigned int *IndependentBlockChroma);
static double CalculatePrefetchSourceLines(
struct display_mode_lib *mode_lib,
double VRatio,
double vtaps,
bool Interlace,
bool ProgressiveToInterlaceUnitInOPP,
unsigned int SwathHeight,
unsigned int ViewportYStart,
double *VInitPreFill,
unsigned int *MaxNumSwath);
static unsigned int CalculateVMAndRowBytes(
struct display_mode_lib *mode_lib,
bool DCCEnable,
unsigned int BlockHeight256Bytes,
unsigned int BlockWidth256Bytes,
enum source_format_class SourcePixelFormat,
unsigned int SurfaceTiling,
unsigned int BytePerPixel,
enum scan_direction_class ScanDirection,
unsigned int SwathWidth,
unsigned int ViewportHeight,
bool GPUVMEnable,
bool HostVMEnable,
unsigned int HostVMMaxNonCachedPageTableLevels,
unsigned int GPUVMMinPageSize,
unsigned int HostVMMinPageSize,
unsigned int PTEBufferSizeInRequests,
unsigned int Pitch,
unsigned int DCCMetaPitch,
unsigned int *MacroTileWidth,
unsigned int *MetaRowByte,
unsigned int *PixelPTEBytesPerRow,
bool *PTEBufferSizeNotExceeded,
int *dpte_row_width_ub,
unsigned int *dpte_row_height,
unsigned int *MetaRequestWidth,
unsigned int *MetaRequestHeight,
unsigned int *meta_row_width,
unsigned int *meta_row_height,
int *vm_group_bytes,
unsigned int *dpte_group_bytes,
unsigned int *PixelPTEReqWidth,
unsigned int *PixelPTEReqHeight,
unsigned int *PTERequestSize,
int *DPDE0BytesFrame,
int *MetaPTEBytesFrame);
static double CalculateTWait(unsigned int PrefetchMode, double DRAMClockChangeLatency, double UrgentLatency, double SREnterPlusExitTime);
static void CalculateRowBandwidth(
bool GPUVMEnable,
enum source_format_class SourcePixelFormat,
double VRatio,
double VRatioChroma,
bool DCCEnable,
double LineTime,
unsigned int MetaRowByteLuma,
unsigned int MetaRowByteChroma,
unsigned int meta_row_height_luma,
unsigned int meta_row_height_chroma,
unsigned int PixelPTEBytesPerRowLuma,
unsigned int PixelPTEBytesPerRowChroma,
unsigned int dpte_row_height_luma,
unsigned int dpte_row_height_chroma,
double *meta_row_bw,
double *dpte_row_bw);
static void CalculateFlipSchedule(
struct display_mode_lib *mode_lib,
unsigned int k,
double HostVMInefficiencyFactor,
double UrgentExtraLatency,
double UrgentLatency,
double PDEAndMetaPTEBytesPerFrame,
double MetaRowBytes,
double DPTEBytesPerRow);
static double CalculateWriteBackDelay(
enum source_format_class WritebackPixelFormat,
double WritebackHRatio,
double WritebackVRatio,
unsigned int WritebackVTaps,
int WritebackDestinationWidth,
int WritebackDestinationHeight,
int WritebackSourceHeight,
unsigned int HTotal);
static void CalculateVupdateAndDynamicMetadataParameters(
int MaxInterDCNTileRepeaters,
double DPPCLK,
double DISPCLK,
double DCFClkDeepSleep,
double PixelClock,
int HTotal,
int VBlank,
int DynamicMetadataTransmittedBytes,
int DynamicMetadataLinesBeforeActiveRequired,
int InterlaceEnable,
bool ProgressiveToInterlaceUnitInOPP,
double *TSetup,
double *Tdmbf,
double *Tdmec,
double *Tdmsks,
int *VUpdateOffsetPix,
double *VUpdateWidthPix,
double *VReadyOffsetPix);
static void CalculateWatermarksAndDRAMSpeedChangeSupport(
struct display_mode_lib *mode_lib,
unsigned int PrefetchMode,
double DCFCLK,
double ReturnBW,
double UrgentLatency,
double ExtraLatency,
double SOCCLK,
double DCFCLKDeepSleep,
unsigned int DETBufferSizeY[],
unsigned int DETBufferSizeC[],
unsigned int SwathHeightY[],
unsigned int SwathHeightC[],
double SwathWidthY[],
double SwathWidthC[],
unsigned int DPPPerPlane[],
double BytePerPixelDETY[],
double BytePerPixelDETC[],
bool UnboundedRequestEnabled,
int unsigned CompressedBufferSizeInkByte,
enum clock_change_support *DRAMClockChangeSupport,
double *StutterExitWatermark,
double *StutterEnterPlusExitWatermark,
double *Z8StutterExitWatermark,
double *Z8StutterEnterPlusExitWatermark);
static void CalculateDCFCLKDeepSleep(
struct display_mode_lib *mode_lib,
unsigned int NumberOfActivePlanes,
int BytePerPixelY[],
int BytePerPixelC[],
double VRatio[],
double VRatioChroma[],
double SwathWidthY[],
double SwathWidthC[],
unsigned int DPPPerPlane[],
double HRatio[],
double HRatioChroma[],
double PixelClock[],
double PSCL_THROUGHPUT[],
double PSCL_THROUGHPUT_CHROMA[],
double DPPCLK[],
double ReadBandwidthLuma[],
double ReadBandwidthChroma[],
int ReturnBusWidth,
double *DCFCLKDeepSleep);
static void CalculateUrgentBurstFactor(
int swath_width_luma_ub,
int swath_width_chroma_ub,
unsigned int SwathHeightY,
unsigned int SwathHeightC,
double LineTime,
double UrgentLatency,
double CursorBufferSize,
unsigned int CursorWidth,
unsigned int CursorBPP,
double VRatio,
double VRatioC,
double BytePerPixelInDETY,
double BytePerPixelInDETC,
double DETBufferSizeY,
double DETBufferSizeC,
double *UrgentBurstFactorCursor,
double *UrgentBurstFactorLuma,
double *UrgentBurstFactorChroma,
bool *NotEnoughUrgentLatencyHiding);
static void UseMinimumDCFCLK(
struct display_mode_lib *mode_lib,
int MaxPrefetchMode,
int ReorderingBytes);
static void CalculatePixelDeliveryTimes(
unsigned int NumberOfActivePlanes,
double VRatio[],
double VRatioChroma[],
double VRatioPrefetchY[],
double VRatioPrefetchC[],
unsigned int swath_width_luma_ub[],
unsigned int swath_width_chroma_ub[],
unsigned int DPPPerPlane[],
double HRatio[],
double HRatioChroma[],
double PixelClock[],
double PSCL_THROUGHPUT[],
double PSCL_THROUGHPUT_CHROMA[],
double DPPCLK[],
int BytePerPixelC[],
enum scan_direction_class SourceScan[],
unsigned int NumberOfCursors[],
unsigned int CursorWidth[][DC__NUM_CURSOR__MAX],
unsigned int CursorBPP[][DC__NUM_CURSOR__MAX],
unsigned int BlockWidth256BytesY[],
unsigned int BlockHeight256BytesY[],
unsigned int BlockWidth256BytesC[],
unsigned int BlockHeight256BytesC[],
double DisplayPipeLineDeliveryTimeLuma[],
double DisplayPipeLineDeliveryTimeChroma[],
double DisplayPipeLineDeliveryTimeLumaPrefetch[],
double DisplayPipeLineDeliveryTimeChromaPrefetch[],
double DisplayPipeRequestDeliveryTimeLuma[],
double DisplayPipeRequestDeliveryTimeChroma[],
double DisplayPipeRequestDeliveryTimeLumaPrefetch[],
double DisplayPipeRequestDeliveryTimeChromaPrefetch[],
double CursorRequestDeliveryTime[],
double CursorRequestDeliveryTimePrefetch[]);
static void CalculateMetaAndPTETimes(
int NumberOfActivePlanes,
bool GPUVMEnable,
int MetaChunkSize,
int MinMetaChunkSizeBytes,
int HTotal[],
double VRatio[],
double VRatioChroma[],
double DestinationLinesToRequestRowInVBlank[],
double DestinationLinesToRequestRowInImmediateFlip[],
bool DCCEnable[],
double PixelClock[],
int BytePerPixelY[],
int BytePerPixelC[],
enum scan_direction_class SourceScan[],
int dpte_row_height[],
int dpte_row_height_chroma[],
int meta_row_width[],
int meta_row_width_chroma[],
int meta_row_height[],
int meta_row_height_chroma[],
int meta_req_width[],
int meta_req_width_chroma[],
int meta_req_height[],
int meta_req_height_chroma[],
int dpte_group_bytes[],
int PTERequestSizeY[],
int PTERequestSizeC[],
int PixelPTEReqWidthY[],
int PixelPTEReqHeightY[],
int PixelPTEReqWidthC[],
int PixelPTEReqHeightC[],
int dpte_row_width_luma_ub[],
int dpte_row_width_chroma_ub[],
double DST_Y_PER_PTE_ROW_NOM_L[],
double DST_Y_PER_PTE_ROW_NOM_C[],
double DST_Y_PER_META_ROW_NOM_L[],
double DST_Y_PER_META_ROW_NOM_C[],
double TimePerMetaChunkNominal[],
double TimePerChromaMetaChunkNominal[],
double TimePerMetaChunkVBlank[],
double TimePerChromaMetaChunkVBlank[],
double TimePerMetaChunkFlip[],
double TimePerChromaMetaChunkFlip[],
double time_per_pte_group_nom_luma[],
double time_per_pte_group_vblank_luma[],
double time_per_pte_group_flip_luma[],
double time_per_pte_group_nom_chroma[],
double time_per_pte_group_vblank_chroma[],
double time_per_pte_group_flip_chroma[]);
static void CalculateVMGroupAndRequestTimes(
unsigned int NumberOfActivePlanes,
bool GPUVMEnable,
unsigned int GPUVMMaxPageTableLevels,
unsigned int HTotal[],
int BytePerPixelC[],
double DestinationLinesToRequestVMInVBlank[],
double DestinationLinesToRequestVMInImmediateFlip[],
bool DCCEnable[],
double PixelClock[],
int dpte_row_width_luma_ub[],
int dpte_row_width_chroma_ub[],
int vm_group_bytes[],
unsigned int dpde0_bytes_per_frame_ub_l[],
unsigned int dpde0_bytes_per_frame_ub_c[],
int meta_pte_bytes_per_frame_ub_l[],
int meta_pte_bytes_per_frame_ub_c[],
double TimePerVMGroupVBlank[],
double TimePerVMGroupFlip[],
double TimePerVMRequestVBlank[],
double TimePerVMRequestFlip[]);
static void CalculateStutterEfficiency(
struct display_mode_lib *mode_lib,
int CompressedBufferSizeInkByte,
bool UnboundedRequestEnabled,
int ConfigReturnBufferSizeInKByte,
int MetaFIFOSizeInKEntries,
int ZeroSizeBufferEntries,
int NumberOfActivePlanes,
int ROBBufferSizeInKByte,
double TotalDataReadBandwidth,
double DCFCLK,
double ReturnBW,
double COMPBUF_RESERVED_SPACE_64B,
double COMPBUF_RESERVED_SPACE_ZS,
double SRExitTime,
double SRExitZ8Time,
bool SynchronizedVBlank,
double Z8StutterEnterPlusExitWatermark,
double StutterEnterPlusExitWatermark,
bool ProgressiveToInterlaceUnitInOPP,
bool Interlace[],
double MinTTUVBlank[],
int DPPPerPlane[],
unsigned int DETBufferSizeY[],
int BytePerPixelY[],
double BytePerPixelDETY[],
double SwathWidthY[],
int SwathHeightY[],
int SwathHeightC[],
double NetDCCRateLuma[],
double NetDCCRateChroma[],
double DCCFractionOfZeroSizeRequestsLuma[],
double DCCFractionOfZeroSizeRequestsChroma[],
int HTotal[],
int VTotal[],
double PixelClock[],
double VRatio[],
enum scan_direction_class SourceScan[],
int BlockHeight256BytesY[],
int BlockWidth256BytesY[],
int BlockHeight256BytesC[],
int BlockWidth256BytesC[],
int DCCYMaxUncompressedBlock[],
int DCCCMaxUncompressedBlock[],
int VActive[],
bool DCCEnable[],
bool WritebackEnable[],
double ReadBandwidthPlaneLuma[],
double ReadBandwidthPlaneChroma[],
double meta_row_bw[],
double dpte_row_bw[],
double *StutterEfficiencyNotIncludingVBlank,
double *StutterEfficiency,
int *NumberOfStutterBurstsPerFrame,
double *Z8StutterEfficiencyNotIncludingVBlank,
double *Z8StutterEfficiency,
int *Z8NumberOfStutterBurstsPerFrame,
double *StutterPeriod);
static void CalculateSwathAndDETConfiguration(
bool ForceSingleDPP,
int NumberOfActivePlanes,
bool DETSharedByAllDPP,
unsigned int DETBufferSizeInKByte[],
double MaximumSwathWidthLuma[],
double MaximumSwathWidthChroma[],
enum scan_direction_class SourceScan[],
enum source_format_class SourcePixelFormat[],
enum dm_swizzle_mode SurfaceTiling[],
int ViewportWidth[],
int ViewportHeight[],
int SurfaceWidthY[],
int SurfaceWidthC[],
int SurfaceHeightY[],
int SurfaceHeightC[],
int Read256BytesBlockHeightY[],
int Read256BytesBlockHeightC[],
int Read256BytesBlockWidthY[],
int Read256BytesBlockWidthC[],
enum odm_combine_mode ODMCombineEnabled[],
int BlendingAndTiming[],
int BytePerPixY[],
int BytePerPixC[],
double BytePerPixDETY[],
double BytePerPixDETC[],
int HActive[],
double HRatio[],
double HRatioChroma[],
int DPPPerPlane[],
int swath_width_luma_ub[],
int swath_width_chroma_ub[],
double SwathWidth[],
double SwathWidthChroma[],
int SwathHeightY[],
int SwathHeightC[],
unsigned int DETBufferSizeY[],
unsigned int DETBufferSizeC[],
bool ViewportSizeSupportPerPlane[],
bool *ViewportSizeSupport);
static void CalculateSwathWidth(
bool ForceSingleDPP,
int NumberOfActivePlanes,
enum source_format_class SourcePixelFormat[],
enum scan_direction_class SourceScan[],
int ViewportWidth[],
int ViewportHeight[],
int SurfaceWidthY[],
int SurfaceWidthC[],
int SurfaceHeightY[],
int SurfaceHeightC[],
enum odm_combine_mode ODMCombineEnabled[],
int BytePerPixY[],
int BytePerPixC[],
int Read256BytesBlockHeightY[],
int Read256BytesBlockHeightC[],
int Read256BytesBlockWidthY[],
int Read256BytesBlockWidthC[],
int BlendingAndTiming[],
int HActive[],
double HRatio[],
int DPPPerPlane[],
double SwathWidthSingleDPPY[],
double SwathWidthSingleDPPC[],
double SwathWidthY[],
double SwathWidthC[],
int MaximumSwathHeightY[],
int MaximumSwathHeightC[],
int swath_width_luma_ub[],
int swath_width_chroma_ub[]);
static double CalculateExtraLatency(
int RoundTripPingLatencyCycles,
int ReorderingBytes,
double DCFCLK,
int TotalNumberOfActiveDPP,
int PixelChunkSizeInKByte,
int TotalNumberOfDCCActiveDPP,
int MetaChunkSize,
double ReturnBW,
bool GPUVMEnable,
bool HostVMEnable,
int NumberOfActivePlanes,
int NumberOfDPP[],
int dpte_group_bytes[],
double HostVMInefficiencyFactor,
double HostVMMinPageSize,
int HostVMMaxNonCachedPageTableLevels);
static double CalculateExtraLatencyBytes(
int ReorderingBytes,
int TotalNumberOfActiveDPP,
int PixelChunkSizeInKByte,
int TotalNumberOfDCCActiveDPP,
int MetaChunkSize,
bool GPUVMEnable,
bool HostVMEnable,
int NumberOfActivePlanes,
int NumberOfDPP[],
int dpte_group_bytes[],
double HostVMInefficiencyFactor,
double HostVMMinPageSize,
int HostVMMaxNonCachedPageTableLevels);
static double CalculateUrgentLatency(
double UrgentLatencyPixelDataOnly,
double UrgentLatencyPixelMixedWithVMData,
double UrgentLatencyVMDataOnly,
bool DoUrgentLatencyAdjustment,
double UrgentLatencyAdjustmentFabricClockComponent,
double UrgentLatencyAdjustmentFabricClockReference,
double FabricClockSingle);
static void CalculateUnboundedRequestAndCompressedBufferSize(
unsigned int DETBufferSizeInKByte,
int ConfigReturnBufferSizeInKByte,
enum unbounded_requesting_policy UseUnboundedRequestingFinal,
int TotalActiveDPP,
bool NoChromaPlanes,
int MaxNumDPP,
int CompressedBufferSegmentSizeInkByteFinal,
enum output_encoder_class *Output,
bool *UnboundedRequestEnabled,
int *CompressedBufferSizeInkByte);
static bool UnboundedRequest(enum unbounded_requesting_policy UseUnboundedRequestingFinal, int TotalNumberOfActiveDPP, bool NoChroma, enum output_encoder_class Output);
void dml31_recalculate(struct display_mode_lib *mode_lib)
{
ModeSupportAndSystemConfiguration(mode_lib);
PixelClockAdjustmentForProgressiveToInterlaceUnit(mode_lib);
DisplayPipeConfiguration(mode_lib);
#ifdef __DML_VBA_DEBUG__
dml_print("DML::%s: Calling DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerformanceCalculation\n", __func__);
#endif
DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerformanceCalculation(mode_lib);
}
static unsigned int dscceComputeDelay(
unsigned int bpc,
double BPP,
unsigned int sliceWidth,
unsigned int numSlices,
enum output_format_class pixelFormat,
enum output_encoder_class Output)
{
// valid bpc = source bits per component in the set of {8, 10, 12}
// valid bpp = increments of 1/16 of a bit
// min = 6/7/8 in N420/N422/444, respectively
// max = such that compression is 1:1
//valid sliceWidth = number of pixels per slice line, must be less than or equal to 5184/numSlices (or 4096/numSlices in 420 mode)
//valid numSlices = number of slices in the horiziontal direction per DSC engine in the set of {1, 2, 3, 4}
//valid pixelFormat = pixel/color format in the set of {:N444_RGB, :S422, :N422, :N420}
// fixed value
unsigned int rcModelSize = 8192;
// N422/N420 operate at 2 pixels per clock
unsigned int pixelsPerClock = 0, lstall, D, initalXmitDelay, w, s, ix, wx, P, l0, a, ax, L, Delay, pixels;
if (pixelFormat == dm_420)
pixelsPerClock = 2;
else if (pixelFormat == dm_444)
pixelsPerClock = 1;
else if (pixelFormat == dm_n422)
pixelsPerClock = 2;
// #all other modes operate at 1 pixel per clock
else
pixelsPerClock = 1;
//initial transmit delay as per PPS
initalXmitDelay = dml_round(rcModelSize / 2.0 / BPP / pixelsPerClock);
//compute ssm delay
if (bpc == 8)
D = 81;
else if (bpc == 10)
D = 89;
else
D = 113;
//divide by pixel per cycle to compute slice width as seen by DSC
w = sliceWidth / pixelsPerClock;
//422 mode has an additional cycle of delay
if (pixelFormat == dm_420 || pixelFormat == dm_444 || pixelFormat == dm_n422)
s = 0;
else
s = 1;
//main calculation for the dscce
ix = initalXmitDelay + 45;
wx = (w + 2) / 3;
P = 3 * wx - w;
l0 = ix / w;
a = ix + P * l0;
ax = (a + 2) / 3 + D + 6 + 1;
L = (ax + wx - 1) / wx;
if ((ix % w) == 0 && P != 0)
lstall = 1;
else
lstall = 0;
Delay = L * wx * (numSlices - 1) + ax + s + lstall + 22;
//dsc processes 3 pixel containers per cycle and a container can contain 1 or 2 pixels
pixels = Delay * 3 * pixelsPerClock;
return pixels;
}
static unsigned int dscComputeDelay(enum output_format_class pixelFormat, enum output_encoder_class Output)
{
unsigned int Delay = 0;
if (pixelFormat == dm_420) {
// sfr
Delay = Delay + 2;
// dsccif
Delay = Delay + 0;
// dscc - input deserializer
Delay = Delay + 3;
// dscc gets pixels every other cycle
Delay = Delay + 2;
// dscc - input cdc fifo
Delay = Delay + 12;
// dscc gets pixels every other cycle
Delay = Delay + 13;
// dscc - cdc uncertainty
Delay = Delay + 2;
// dscc - output cdc fifo
Delay = Delay + 7;
// dscc gets pixels every other cycle
Delay = Delay + 3;
// dscc - cdc uncertainty
Delay = Delay + 2;
// dscc - output serializer
Delay = Delay + 1;
// sft
Delay = Delay + 1;
} else if (pixelFormat == dm_n422) {
// sfr
Delay = Delay + 2;
// dsccif
Delay = Delay + 1;
// dscc - input deserializer
Delay = Delay + 5;
// dscc - input cdc fifo
Delay = Delay + 25;
// dscc - cdc uncertainty
Delay = Delay + 2;
// dscc - output cdc fifo
Delay = Delay + 10;
// dscc - cdc uncertainty
Delay = Delay + 2;
// dscc - output serializer
Delay = Delay + 1;
// sft
Delay = Delay + 1;
} else {
// sfr
Delay = Delay + 2;
// dsccif
Delay = Delay + 0;
// dscc - input deserializer
Delay = Delay + 3;
// dscc - input cdc fifo
Delay = Delay + 12;
// dscc - cdc uncertainty
Delay = Delay + 2;
// dscc - output cdc fifo
Delay = Delay + 7;
// dscc - output serializer
Delay = Delay + 1;
// dscc - cdc uncertainty
Delay = Delay + 2;
// sft
Delay = Delay + 1;
}
return Delay;
}
static bool CalculatePrefetchSchedule(
struct display_mode_lib *mode_lib,
double HostVMInefficiencyFactor,
Pipe *myPipe,
unsigned int DSCDelay,
double DPPCLKDelaySubtotalPlusCNVCFormater,
double DPPCLKDelaySCL,
double DPPCLKDelaySCLLBOnly,
double DPPCLKDelayCNVCCursor,
double DISPCLKDelaySubtotal,
unsigned int DPP_RECOUT_WIDTH,
enum output_format_class OutputFormat,
unsigned int MaxInterDCNTileRepeaters,
unsigned int VStartup,
unsigned int MaxVStartup,
unsigned int GPUVMPageTableLevels,
bool GPUVMEnable,
bool HostVMEnable,
unsigned int HostVMMaxNonCachedPageTableLevels,
double HostVMMinPageSize,
bool DynamicMetadataEnable,
bool DynamicMetadataVMEnabled,
int DynamicMetadataLinesBeforeActiveRequired,
unsigned int DynamicMetadataTransmittedBytes,
double UrgentLatency,
double UrgentExtraLatency,
double TCalc,
unsigned int PDEAndMetaPTEBytesFrame,
unsigned int MetaRowByte,
unsigned int PixelPTEBytesPerRow,
double PrefetchSourceLinesY,
unsigned int SwathWidthY,
double VInitPreFillY,
unsigned int MaxNumSwathY,
double PrefetchSourceLinesC,
unsigned int SwathWidthC,
double VInitPreFillC,
unsigned int MaxNumSwathC,
int swath_width_luma_ub,
int swath_width_chroma_ub,
unsigned int SwathHeightY,
unsigned int SwathHeightC,
double TWait,
double *DSTXAfterScaler,
double *DSTYAfterScaler,
double *DestinationLinesForPrefetch,
double *PrefetchBandwidth,
double *DestinationLinesToRequestVMInVBlank,
double *DestinationLinesToRequestRowInVBlank,
double *VRatioPrefetchY,
double *VRatioPrefetchC,
double *RequiredPrefetchPixDataBWLuma,
double *RequiredPrefetchPixDataBWChroma,
bool *NotEnoughTimeForDynamicMetadata,
double *Tno_bw,
double *prefetch_vmrow_bw,
double *Tdmdl_vm,
double *Tdmdl,
double *TSetup,
int *VUpdateOffsetPix,
double *VUpdateWidthPix,
double *VReadyOffsetPix)
{
bool MyError = false;
unsigned int DPPCycles, DISPCLKCycles;
double DSTTotalPixelsAfterScaler;
double LineTime;
double dst_y_prefetch_equ;
#ifdef __DML_VBA_DEBUG__
double Tsw_oto;
#endif
double prefetch_bw_oto;
double prefetch_bw_pr;
double Tvm_oto;
double Tr0_oto;
double Tvm_oto_lines;
double Tr0_oto_lines;
double dst_y_prefetch_oto;
double TimeForFetchingMetaPTE = 0;
double TimeForFetchingRowInVBlank = 0;
double LinesToRequestPrefetchPixelData = 0;
unsigned int HostVMDynamicLevelsTrips;
double trip_to_mem;
double Tvm_trips;
double Tr0_trips;
double Tvm_trips_rounded;
double Tr0_trips_rounded;
double Lsw_oto;
double Tpre_rounded;
double prefetch_bw_equ;
double Tvm_equ;
double Tr0_equ;
double Tdmbf;
double Tdmec;
double Tdmsks;
double prefetch_sw_bytes;
double bytes_pp;
double dep_bytes;
int max_vratio_pre = 4;
double min_Lsw;
double Tsw_est1 = 0;
double Tsw_est3 = 0;
double max_Tsw = 0;
if (GPUVMEnable == true && HostVMEnable == true) {
HostVMDynamicLevelsTrips = HostVMMaxNonCachedPageTableLevels;
} else {
HostVMDynamicLevelsTrips = 0;
}
#ifdef __DML_VBA_DEBUG__
dml_print("DML::%s: GPUVMEnable=%d HostVMEnable=%d HostVMInefficiencyFactor=%f\n", __func__, GPUVMEnable, HostVMEnable, HostVMInefficiencyFactor);
#endif
CalculateVupdateAndDynamicMetadataParameters(
MaxInterDCNTileRepeaters,
myPipe->DPPCLK,
myPipe->DISPCLK,
myPipe->DCFCLKDeepSleep,
myPipe->PixelClock,
myPipe->HTotal,
myPipe->VBlank,
DynamicMetadataTransmittedBytes,
DynamicMetadataLinesBeforeActiveRequired,
myPipe->InterlaceEnable,
myPipe->ProgressiveToInterlaceUnitInOPP,
TSetup,
&Tdmbf,
&Tdmec,
&Tdmsks,
VUpdateOffsetPix,
VUpdateWidthPix,
VReadyOffsetPix);
LineTime = myPipe->HTotal / myPipe->PixelClock;
trip_to_mem = UrgentLatency;
Tvm_trips = UrgentExtraLatency + trip_to_mem * (GPUVMPageTableLevels * (HostVMDynamicLevelsTrips + 1) - 1);
#ifdef __DML_VBA_ALLOW_DELTA__
if (DynamicMetadataVMEnabled == true && GPUVMEnable == true) {
#else
if (DynamicMetadataVMEnabled == true) {
#endif
*Tdmdl = TWait + Tvm_trips + trip_to_mem;
} else {
*Tdmdl = TWait + UrgentExtraLatency;
}
#ifdef __DML_VBA_ALLOW_DELTA__
if (DynamicMetadataEnable == false) {
*Tdmdl = 0.0;
}
#endif
if (DynamicMetadataEnable == true) {
if (VStartup * LineTime < *TSetup + *Tdmdl + Tdmbf + Tdmec + Tdmsks) {
*NotEnoughTimeForDynamicMetadata = true;
dml_print("DML::%s: Not Enough Time for Dynamic Meta!\n", __func__);
dml_print("DML::%s: Tdmbf: %fus - time for dmd transfer from dchub to dio output buffer\n", __func__, Tdmbf);
dml_print("DML::%s: Tdmec: %fus - time dio takes to transfer dmd\n", __func__, Tdmec);
dml_print("DML::%s: Tdmsks: %fus - time before active dmd must complete transmission at dio\n", __func__, Tdmsks);
dml_print("DML::%s: Tdmdl: %fus - time for fabric to become ready and fetch dmd \n", __func__, *Tdmdl);
} else {
*NotEnoughTimeForDynamicMetadata = false;
}
} else {
*NotEnoughTimeForDynamicMetadata = false;
}
*Tdmdl_vm = (DynamicMetadataEnable == true && DynamicMetadataVMEnabled == true && GPUVMEnable == true ? TWait + Tvm_trips : 0);
if (myPipe->ScalerEnabled)
DPPCycles = DPPCLKDelaySubtotalPlusCNVCFormater + DPPCLKDelaySCL;
else
DPPCycles = DPPCLKDelaySubtotalPlusCNVCFormater + DPPCLKDelaySCLLBOnly;
DPPCycles = DPPCycles + myPipe->NumberOfCursors * DPPCLKDelayCNVCCursor;
DISPCLKCycles = DISPCLKDelaySubtotal;
if (myPipe->DPPCLK == 0.0 || myPipe->DISPCLK == 0.0)
return true;
*DSTXAfterScaler = DPPCycles * myPipe->PixelClock / myPipe->DPPCLK + DISPCLKCycles * myPipe->PixelClock / myPipe->DISPCLK + DSCDelay;
#ifdef __DML_VBA_DEBUG__
dml_print("DML::%s: DPPCycles: %d\n", __func__, DPPCycles);
dml_print("DML::%s: PixelClock: %f\n", __func__, myPipe->PixelClock);
dml_print("DML::%s: DPPCLK: %f\n", __func__, myPipe->DPPCLK);
dml_print("DML::%s: DISPCLKCycles: %d\n", __func__, DISPCLKCycles);