Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Harry Wentland | 5955 | 94.33% | 1 | 7.14% |
Ilya Bakoulin | 139 | 2.20% | 5 | 35.71% |
Dmytro Laktyushkin | 133 | 2.11% | 3 | 21.43% |
Jun Lei | 35 | 0.55% | 1 | 7.14% |
David Galiffi | 31 | 0.49% | 2 | 14.29% |
Nikola Cornij | 17 | 0.27% | 1 | 7.14% |
Charlene Liu | 3 | 0.05% | 1 | 7.14% |
Total | 6313 | 14 |
/* * 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 "display_mode_lib.h" #include "display_mode_vba.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. */ static void fetch_socbb_params(struct display_mode_lib *mode_lib); static void fetch_ip_params(struct display_mode_lib *mode_lib); static void fetch_pipe_params(struct display_mode_lib *mode_lib); static void recalculate_params( struct display_mode_lib *mode_lib, const display_e2e_pipe_params_st *pipes, unsigned int num_pipes); static unsigned int CursorBppEnumToBits(enum cursor_bpp ebpp); unsigned int dml_get_voltage_level( struct display_mode_lib *mode_lib, const display_e2e_pipe_params_st *pipes, unsigned int num_pipes) { bool need_recalculate = memcmp(&mode_lib->soc, &mode_lib->vba.soc, sizeof(mode_lib->vba.soc)) != 0 || memcmp(&mode_lib->ip, &mode_lib->vba.ip, sizeof(mode_lib->vba.ip)) != 0 || num_pipes != mode_lib->vba.cache_num_pipes || memcmp(pipes, mode_lib->vba.cache_pipes, sizeof(display_e2e_pipe_params_st) * num_pipes) != 0; mode_lib->vba.soc = mode_lib->soc; mode_lib->vba.ip = mode_lib->ip; memcpy(mode_lib->vba.cache_pipes, pipes, sizeof(*pipes) * num_pipes); mode_lib->vba.cache_num_pipes = num_pipes; if (need_recalculate && pipes[0].clks_cfg.dppclk_mhz != 0) mode_lib->funcs.recalculate(mode_lib); else { fetch_socbb_params(mode_lib); fetch_ip_params(mode_lib); fetch_pipe_params(mode_lib); PixelClockAdjustmentForProgressiveToInterlaceUnit(mode_lib); } mode_lib->funcs.validate(mode_lib); return mode_lib->vba.VoltageLevel; } #define dml_get_attr_func(attr, var) double get_##attr(struct display_mode_lib *mode_lib, const display_e2e_pipe_params_st *pipes, unsigned int num_pipes) \ { \ recalculate_params(mode_lib, pipes, num_pipes); \ return var; \ } dml_get_attr_func(clk_dcf_deepsleep, mode_lib->vba.DCFCLKDeepSleep); dml_get_attr_func(wm_urgent, mode_lib->vba.UrgentWatermark); dml_get_attr_func(wm_memory_trip, mode_lib->vba.UrgentLatency); dml_get_attr_func(wm_writeback_urgent, mode_lib->vba.WritebackUrgentWatermark); dml_get_attr_func(wm_stutter_exit, mode_lib->vba.StutterExitWatermark); dml_get_attr_func(wm_stutter_enter_exit, mode_lib->vba.StutterEnterPlusExitWatermark); dml_get_attr_func(wm_dram_clock_change, mode_lib->vba.DRAMClockChangeWatermark); dml_get_attr_func(wm_writeback_dram_clock_change, mode_lib->vba.WritebackDRAMClockChangeWatermark); dml_get_attr_func(wm_xfc_underflow, mode_lib->vba.UrgentWatermark); // xfc_underflow maps to urgent dml_get_attr_func(stutter_efficiency, mode_lib->vba.StutterEfficiency); dml_get_attr_func(stutter_efficiency_no_vblank, mode_lib->vba.StutterEfficiencyNotIncludingVBlank); dml_get_attr_func(urgent_latency, mode_lib->vba.UrgentLatency); dml_get_attr_func(urgent_extra_latency, mode_lib->vba.UrgentExtraLatency); dml_get_attr_func(nonurgent_latency, mode_lib->vba.NonUrgentLatencyTolerance); dml_get_attr_func( dram_clock_change_latency, mode_lib->vba.MinActiveDRAMClockChangeLatencySupported); dml_get_attr_func(dispclk_calculated, mode_lib->vba.DISPCLK_calculated); dml_get_attr_func(total_data_read_bw, mode_lib->vba.TotalDataReadBandwidth); dml_get_attr_func(return_bw, mode_lib->vba.ReturnBW); dml_get_attr_func(tcalc, mode_lib->vba.TCalc); dml_get_attr_func(fraction_of_urgent_bandwidth, mode_lib->vba.FractionOfUrgentBandwidth); dml_get_attr_func(fraction_of_urgent_bandwidth_imm_flip, mode_lib->vba.FractionOfUrgentBandwidthImmediateFlip); #define dml_get_pipe_attr_func(attr, var) double get_##attr(struct display_mode_lib *mode_lib, const display_e2e_pipe_params_st *pipes, unsigned int num_pipes, unsigned int which_pipe) \ {\ unsigned int which_plane; \ recalculate_params(mode_lib, pipes, num_pipes); \ which_plane = mode_lib->vba.pipe_plane[which_pipe]; \ return var[which_plane]; \ } dml_get_pipe_attr_func(dsc_delay, mode_lib->vba.DSCDelay); dml_get_pipe_attr_func(dppclk_calculated, mode_lib->vba.DPPCLK_calculated); dml_get_pipe_attr_func(dscclk_calculated, mode_lib->vba.DSCCLK_calculated); dml_get_pipe_attr_func(min_ttu_vblank, mode_lib->vba.MinTTUVBlank); dml_get_pipe_attr_func(vratio_prefetch_l, mode_lib->vba.VRatioPrefetchY); dml_get_pipe_attr_func(vratio_prefetch_c, mode_lib->vba.VRatioPrefetchC); dml_get_pipe_attr_func(dst_x_after_scaler, mode_lib->vba.DSTXAfterScaler); dml_get_pipe_attr_func(dst_y_after_scaler, mode_lib->vba.DSTYAfterScaler); dml_get_pipe_attr_func(dst_y_per_vm_vblank, mode_lib->vba.DestinationLinesToRequestVMInVBlank); dml_get_pipe_attr_func(dst_y_per_row_vblank, mode_lib->vba.DestinationLinesToRequestRowInVBlank); dml_get_pipe_attr_func(dst_y_prefetch, mode_lib->vba.DestinationLinesForPrefetch); dml_get_pipe_attr_func(dst_y_per_vm_flip, mode_lib->vba.DestinationLinesToRequestVMInImmediateFlip); dml_get_pipe_attr_func( dst_y_per_row_flip, mode_lib->vba.DestinationLinesToRequestRowInImmediateFlip); dml_get_pipe_attr_func(xfc_transfer_delay, mode_lib->vba.XFCTransferDelay); dml_get_pipe_attr_func(xfc_precharge_delay, mode_lib->vba.XFCPrechargeDelay); dml_get_pipe_attr_func(xfc_remote_surface_flip_latency, mode_lib->vba.XFCRemoteSurfaceFlipLatency); dml_get_pipe_attr_func(xfc_prefetch_margin, mode_lib->vba.XFCPrefetchMargin); dml_get_pipe_attr_func(refcyc_per_vm_group_vblank, mode_lib->vba.TimePerVMGroupVBlank); dml_get_pipe_attr_func(refcyc_per_vm_group_flip, mode_lib->vba.TimePerVMGroupFlip); dml_get_pipe_attr_func(refcyc_per_vm_req_vblank, mode_lib->vba.TimePerVMRequestVBlank); dml_get_pipe_attr_func(refcyc_per_vm_req_flip, mode_lib->vba.TimePerVMRequestFlip); unsigned int get_vstartup_calculated( struct display_mode_lib *mode_lib, const display_e2e_pipe_params_st *pipes, unsigned int num_pipes, unsigned int which_pipe) { unsigned int which_plane; recalculate_params(mode_lib, pipes, num_pipes); which_plane = mode_lib->vba.pipe_plane[which_pipe]; return mode_lib->vba.VStartup[which_plane]; } double get_total_immediate_flip_bytes( struct display_mode_lib *mode_lib, const display_e2e_pipe_params_st *pipes, unsigned int num_pipes) { recalculate_params(mode_lib, pipes, num_pipes); return mode_lib->vba.TotImmediateFlipBytes; } double get_total_immediate_flip_bw( struct display_mode_lib *mode_lib, const display_e2e_pipe_params_st *pipes, unsigned int num_pipes) { unsigned int k; double immediate_flip_bw = 0.0; recalculate_params(mode_lib, pipes, num_pipes); for (k = 0; k < mode_lib->vba.NumberOfActivePlanes; ++k) immediate_flip_bw += mode_lib->vba.ImmediateFlipBW[k]; return immediate_flip_bw; } double get_total_prefetch_bw( struct display_mode_lib *mode_lib, const display_e2e_pipe_params_st *pipes, unsigned int num_pipes) { unsigned int k; double total_prefetch_bw = 0.0; recalculate_params(mode_lib, pipes, num_pipes); for (k = 0; k < mode_lib->vba.NumberOfActivePlanes; ++k) total_prefetch_bw += mode_lib->vba.PrefetchBandwidth[k]; return total_prefetch_bw; } static void fetch_socbb_params(struct display_mode_lib *mode_lib) { soc_bounding_box_st *soc = &mode_lib->vba.soc; int i; // SOC Bounding Box Parameters mode_lib->vba.ReturnBusWidth = soc->return_bus_width_bytes; mode_lib->vba.NumberOfChannels = soc->num_chans; mode_lib->vba.PercentOfIdealDRAMFabricAndSDPPortBWReceivedAfterUrgLatencyPixelDataOnly = soc->pct_ideal_dram_sdp_bw_after_urgent_pixel_only; // there's always that one bastard variable that's so long it throws everything out of alignment! mode_lib->vba.PercentOfIdealDRAMFabricAndSDPPortBWReceivedAfterUrgLatencyPixelMixedWithVMData = soc->pct_ideal_dram_sdp_bw_after_urgent_pixel_and_vm; mode_lib->vba.PercentOfIdealDRAMFabricAndSDPPortBWReceivedAfterUrgLatencyVMDataOnly = soc->pct_ideal_dram_sdp_bw_after_urgent_vm_only; mode_lib->vba.MaxAveragePercentOfIdealSDPPortBWDisplayCanUseInNormalSystemOperation = soc->max_avg_sdp_bw_use_normal_percent; mode_lib->vba.MaxAveragePercentOfIdealDRAMBWDisplayCanUseInNormalSystemOperation = soc->max_avg_dram_bw_use_normal_percent; mode_lib->vba.UrgentLatencyPixelDataOnly = soc->urgent_latency_pixel_data_only_us; mode_lib->vba.UrgentLatencyPixelMixedWithVMData = soc->urgent_latency_pixel_mixed_with_vm_data_us; mode_lib->vba.UrgentLatencyVMDataOnly = soc->urgent_latency_vm_data_only_us; mode_lib->vba.RoundTripPingLatencyCycles = soc->round_trip_ping_latency_dcfclk_cycles; mode_lib->vba.UrgentOutOfOrderReturnPerChannelPixelDataOnly = soc->urgent_out_of_order_return_per_channel_pixel_only_bytes; mode_lib->vba.UrgentOutOfOrderReturnPerChannelPixelMixedWithVMData = soc->urgent_out_of_order_return_per_channel_pixel_and_vm_bytes; mode_lib->vba.UrgentOutOfOrderReturnPerChannelVMDataOnly = soc->urgent_out_of_order_return_per_channel_vm_only_bytes; mode_lib->vba.WritebackLatency = soc->writeback_latency_us; mode_lib->vba.SRExitTime = soc->sr_exit_time_us; mode_lib->vba.SREnterPlusExitTime = soc->sr_enter_plus_exit_time_us; 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; mode_lib->vba.DRAMClockChangeSupportsVActive = !soc->disable_dram_clock_change_vactive_support || mode_lib->vba.DummyPStateCheck; mode_lib->vba.Downspreading = soc->downspread_percent; mode_lib->vba.DRAMChannelWidth = soc->dram_channel_width_bytes; // new! mode_lib->vba.FabricDatapathToDCNDataReturn = soc->fabric_datapath_to_dcn_data_return_bytes; // new! mode_lib->vba.DISPCLKDPPCLKDSCCLKDownSpreading = soc->dcn_downspread_percent; // new mode_lib->vba.DISPCLKDPPCLKVCOSpeed = soc->dispclk_dppclk_vco_speed_mhz; // new mode_lib->vba.VMMPageSize = soc->vmm_page_size_bytes; mode_lib->vba.GPUVMMinPageSize = soc->gpuvm_min_page_size_bytes / 1024; mode_lib->vba.HostVMMinPageSize = soc->hostvm_min_page_size_bytes / 1024; // Set the voltage scaling clocks as the defaults. Most of these will // be set to different values by the test for (i = 0; i < mode_lib->vba.soc.num_states; i++) if (soc->clock_limits[i].state == mode_lib->vba.VoltageLevel) break; mode_lib->vba.DCFCLK = soc->clock_limits[i].dcfclk_mhz; mode_lib->vba.SOCCLK = soc->clock_limits[i].socclk_mhz; mode_lib->vba.DRAMSpeed = soc->clock_limits[i].dram_speed_mts; mode_lib->vba.FabricClock = soc->clock_limits[i].fabricclk_mhz; mode_lib->vba.XFCBusTransportTime = soc->xfc_bus_transport_time_us; mode_lib->vba.XFCXBUFLatencyTolerance = soc->xfc_xbuf_latency_tolerance_us; mode_lib->vba.UseUrgentBurstBandwidth = soc->use_urgent_burst_bw; mode_lib->vba.SupportGFX7CompatibleTilingIn32bppAnd64bpp = false; mode_lib->vba.WritebackLumaAndChromaScalingSupported = true; mode_lib->vba.MaxHSCLRatio = 4; mode_lib->vba.MaxVSCLRatio = 4; mode_lib->vba.Cursor64BppSupport = true; for (i = 0; i <= mode_lib->vba.soc.num_states; i++) { mode_lib->vba.DCFCLKPerState[i] = soc->clock_limits[i].dcfclk_mhz; mode_lib->vba.FabricClockPerState[i] = soc->clock_limits[i].fabricclk_mhz; mode_lib->vba.SOCCLKPerState[i] = soc->clock_limits[i].socclk_mhz; mode_lib->vba.PHYCLKPerState[i] = soc->clock_limits[i].phyclk_mhz; mode_lib->vba.PHYCLKD18PerState[i] = soc->clock_limits[i].phyclk_d18_mhz; mode_lib->vba.MaxDppclk[i] = soc->clock_limits[i].dppclk_mhz; mode_lib->vba.MaxDSCCLK[i] = soc->clock_limits[i].dscclk_mhz; mode_lib->vba.DRAMSpeedPerState[i] = soc->clock_limits[i].dram_speed_mts; //mode_lib->vba.DRAMSpeedPerState[i] = soc->clock_limits[i].dram_speed_mhz; mode_lib->vba.MaxDispclk[i] = soc->clock_limits[i].dispclk_mhz; mode_lib->vba.DTBCLKPerState[i] = soc->clock_limits[i].dtbclk_mhz; } mode_lib->vba.DoUrgentLatencyAdjustment = soc->do_urgent_latency_adjustment; mode_lib->vba.UrgentLatencyAdjustmentFabricClockComponent = soc->urgent_latency_adjustment_fabric_clock_component_us; mode_lib->vba.UrgentLatencyAdjustmentFabricClockReference = soc->urgent_latency_adjustment_fabric_clock_reference_mhz; } static void fetch_ip_params(struct display_mode_lib *mode_lib) { ip_params_st *ip = &mode_lib->vba.ip; // IP Parameters mode_lib->vba.MaxNumDPP = ip->max_num_dpp; mode_lib->vba.MaxNumOTG = ip->max_num_otg; mode_lib->vba.MaxNumHDMIFRLOutputs = ip->max_num_hdmi_frl_outputs; mode_lib->vba.MaxNumWriteback = ip->max_num_wb; mode_lib->vba.CursorChunkSize = ip->cursor_chunk_size; mode_lib->vba.CursorBufferSize = ip->cursor_buffer_size; mode_lib->vba.MaxDCHUBToPSCLThroughput = ip->max_dchub_pscl_bw_pix_per_clk; mode_lib->vba.MaxPSCLToLBThroughput = ip->max_pscl_lb_bw_pix_per_clk; mode_lib->vba.ROBBufferSizeInKByte = ip->rob_buffer_size_kbytes; mode_lib->vba.DETBufferSizeInKByte = ip->det_buffer_size_kbytes; mode_lib->vba.PixelChunkSizeInKByte = ip->pixel_chunk_size_kbytes; mode_lib->vba.MetaChunkSize = ip->meta_chunk_size_kbytes; mode_lib->vba.WritebackChunkSize = ip->writeback_chunk_size_kbytes; mode_lib->vba.LineBufferSize = ip->line_buffer_size_bits; mode_lib->vba.MaxLineBufferLines = ip->max_line_buffer_lines; mode_lib->vba.PTEBufferSizeInRequestsLuma = ip->dpte_buffer_size_in_pte_reqs_luma; mode_lib->vba.PTEBufferSizeInRequestsChroma = ip->dpte_buffer_size_in_pte_reqs_chroma; mode_lib->vba.DPPOutputBufferPixels = ip->dpp_output_buffer_pixels; mode_lib->vba.OPPOutputBufferLines = ip->opp_output_buffer_lines; mode_lib->vba.MaxHSCLRatio = ip->max_hscl_ratio; mode_lib->vba.MaxVSCLRatio = ip->max_vscl_ratio; mode_lib->vba.WritebackInterfaceLumaBufferSize = ip->writeback_luma_buffer_size_kbytes * 1024; mode_lib->vba.WritebackInterfaceChromaBufferSize = ip->writeback_chroma_buffer_size_kbytes * 1024; mode_lib->vba.WritebackInterfaceBufferSize = ip->writeback_interface_buffer_size_kbytes; mode_lib->vba.WritebackLineBufferSize = ip->writeback_line_buffer_buffer_size; mode_lib->vba.WritebackChromaLineBufferWidth = ip->writeback_chroma_line_buffer_width_pixels; mode_lib->vba.WritebackLineBufferLumaBufferSize = ip->writeback_line_buffer_luma_buffer_size; mode_lib->vba.WritebackLineBufferChromaBufferSize = ip->writeback_line_buffer_chroma_buffer_size; mode_lib->vba.Writeback10bpc420Supported = ip->writeback_10bpc420_supported; mode_lib->vba.WritebackMaxHSCLRatio = ip->writeback_max_hscl_ratio; mode_lib->vba.WritebackMaxVSCLRatio = ip->writeback_max_vscl_ratio; mode_lib->vba.WritebackMinHSCLRatio = ip->writeback_min_hscl_ratio; mode_lib->vba.WritebackMinVSCLRatio = ip->writeback_min_vscl_ratio; mode_lib->vba.WritebackMaxHSCLTaps = ip->writeback_max_hscl_taps; mode_lib->vba.WritebackMaxVSCLTaps = ip->writeback_max_vscl_taps; mode_lib->vba.WritebackConfiguration = dm_normal; mode_lib->vba.GPUVMMaxPageTableLevels = ip->gpuvm_max_page_table_levels; mode_lib->vba.HostVMMaxNonCachedPageTableLevels = ip->hostvm_max_page_table_levels; mode_lib->vba.HostVMMaxPageTableLevels = ip->hostvm_max_page_table_levels; mode_lib->vba.HostVMCachedPageTableLevels = ip->hostvm_cached_page_table_levels; mode_lib->vba.MaxInterDCNTileRepeaters = ip->max_inter_dcn_tile_repeaters; mode_lib->vba.NumberOfDSC = ip->num_dsc; mode_lib->vba.ODMCapability = ip->odm_capable; mode_lib->vba.DISPCLKRampingMargin = ip->dispclk_ramp_margin_percent; mode_lib->vba.XFCSupported = ip->xfc_supported; mode_lib->vba.XFCFillBWOverhead = ip->xfc_fill_bw_overhead_percent; mode_lib->vba.XFCFillConstant = ip->xfc_fill_constant_bytes; mode_lib->vba.DPPCLKDelaySubtotal = ip->dppclk_delay_subtotal; mode_lib->vba.DPPCLKDelaySCL = ip->dppclk_delay_scl; mode_lib->vba.DPPCLKDelaySCLLBOnly = ip->dppclk_delay_scl_lb_only; mode_lib->vba.DPPCLKDelayCNVCFormater = ip->dppclk_delay_cnvc_formatter; mode_lib->vba.DPPCLKDelayCNVCCursor = ip->dppclk_delay_cnvc_cursor; mode_lib->vba.DISPCLKDelaySubtotal = ip->dispclk_delay_subtotal; mode_lib->vba.DynamicMetadataVMEnabled = ip->dynamic_metadata_vm_enabled; mode_lib->vba.ODMCombine4To1Supported = ip->odm_combine_4to1_supported; mode_lib->vba.ProgressiveToInterlaceUnitInOPP = ip->ptoi_supported; mode_lib->vba.PDEProcessingBufIn64KBReqs = ip->pde_proc_buffer_size_64k_reqs; mode_lib->vba.PTEGroupSize = ip->pte_group_size_bytes; mode_lib->vba.SupportGFX7CompatibleTilingIn32bppAnd64bpp = ip->gfx7_compat_tiling_supported; } static void fetch_pipe_params(struct display_mode_lib *mode_lib) { display_e2e_pipe_params_st *pipes = mode_lib->vba.cache_pipes; ip_params_st *ip = &mode_lib->vba.ip; unsigned int OTGInstPlane[DC__NUM_DPP__MAX]; unsigned int j, k; bool PlaneVisited[DC__NUM_DPP__MAX]; bool visited[DC__NUM_DPP__MAX]; // Convert Pipes to Planes for (k = 0; k < mode_lib->vba.cache_num_pipes; ++k) visited[k] = false; mode_lib->vba.NumberOfActivePlanes = 0; for (j = 0; j < mode_lib->vba.cache_num_pipes; ++j) { display_pipe_source_params_st *src = &pipes[j].pipe.src; display_pipe_dest_params_st *dst = &pipes[j].pipe.dest; scaler_ratio_depth_st *scl = &pipes[j].pipe.scale_ratio_depth; scaler_taps_st *taps = &pipes[j].pipe.scale_taps; display_output_params_st *dout = &pipes[j].dout; display_clocks_and_cfg_st *clks = &pipes[j].clks_cfg; if (visited[j]) continue; visited[j] = true; mode_lib->vba.pipe_plane[j] = mode_lib->vba.NumberOfActivePlanes; mode_lib->vba.DPPPerPlane[mode_lib->vba.NumberOfActivePlanes] = 1; mode_lib->vba.SourceScan[mode_lib->vba.NumberOfActivePlanes] = (enum scan_direction_class) (src->source_scan); mode_lib->vba.ViewportWidth[mode_lib->vba.NumberOfActivePlanes] = src->viewport_width; mode_lib->vba.ViewportWidthChroma[mode_lib->vba.NumberOfActivePlanes] = src->viewport_width_c; mode_lib->vba.ViewportHeight[mode_lib->vba.NumberOfActivePlanes] = src->viewport_height; mode_lib->vba.ViewportHeightChroma[mode_lib->vba.NumberOfActivePlanes] = src->viewport_height_c; mode_lib->vba.ViewportYStartY[mode_lib->vba.NumberOfActivePlanes] = src->viewport_y_y; mode_lib->vba.ViewportYStartC[mode_lib->vba.NumberOfActivePlanes] = src->viewport_y_c; mode_lib->vba.PitchY[mode_lib->vba.NumberOfActivePlanes] = src->data_pitch; mode_lib->vba.SurfaceWidthY[mode_lib->vba.NumberOfActivePlanes] = src->surface_width_y; mode_lib->vba.SurfaceHeightY[mode_lib->vba.NumberOfActivePlanes] = src->surface_height_y; mode_lib->vba.PitchC[mode_lib->vba.NumberOfActivePlanes] = src->data_pitch_c; mode_lib->vba.SurfaceHeightC[mode_lib->vba.NumberOfActivePlanes] = src->surface_height_c; mode_lib->vba.SurfaceWidthC[mode_lib->vba.NumberOfActivePlanes] = src->surface_width_c; mode_lib->vba.DCCMetaPitchY[mode_lib->vba.NumberOfActivePlanes] = src->meta_pitch; mode_lib->vba.DCCMetaPitchC[mode_lib->vba.NumberOfActivePlanes] = src->meta_pitch_c; mode_lib->vba.HRatio[mode_lib->vba.NumberOfActivePlanes] = scl->hscl_ratio; mode_lib->vba.HRatioChroma[mode_lib->vba.NumberOfActivePlanes] = scl->hscl_ratio_c; mode_lib->vba.VRatio[mode_lib->vba.NumberOfActivePlanes] = scl->vscl_ratio; mode_lib->vba.VRatioChroma[mode_lib->vba.NumberOfActivePlanes] = scl->vscl_ratio_c; mode_lib->vba.ScalerEnabled[mode_lib->vba.NumberOfActivePlanes] = scl->scl_enable; mode_lib->vba.Interlace[mode_lib->vba.NumberOfActivePlanes] = dst->interlaced; if (dst->interlaced && !ip->ptoi_supported) { mode_lib->vba.VRatio[mode_lib->vba.NumberOfActivePlanes] *= 2.0; mode_lib->vba.VRatioChroma[mode_lib->vba.NumberOfActivePlanes] *= 2.0; } mode_lib->vba.htaps[mode_lib->vba.NumberOfActivePlanes] = taps->htaps; mode_lib->vba.vtaps[mode_lib->vba.NumberOfActivePlanes] = taps->vtaps; mode_lib->vba.HTAPsChroma[mode_lib->vba.NumberOfActivePlanes] = taps->htaps_c; mode_lib->vba.VTAPsChroma[mode_lib->vba.NumberOfActivePlanes] = taps->vtaps_c; mode_lib->vba.HTotal[mode_lib->vba.NumberOfActivePlanes] = dst->htotal; mode_lib->vba.VTotal[mode_lib->vba.NumberOfActivePlanes] = dst->vtotal; mode_lib->vba.DCCEnable[mode_lib->vba.NumberOfActivePlanes] = src->dcc_use_global ? ip->dcc_supported : src->dcc && ip->dcc_supported; mode_lib->vba.DCCRate[mode_lib->vba.NumberOfActivePlanes] = src->dcc_rate; /* TODO: Needs to be set based on src->dcc_rate_luma/chroma */ mode_lib->vba.DCCRateLuma[mode_lib->vba.NumberOfActivePlanes] = src->dcc_rate; mode_lib->vba.DCCRateChroma[mode_lib->vba.NumberOfActivePlanes] = src->dcc_rate_chroma; mode_lib->vba.SourcePixelFormat[mode_lib->vba.NumberOfActivePlanes] = (enum source_format_class) (src->source_format); mode_lib->vba.HActive[mode_lib->vba.NumberOfActivePlanes] = dst->hactive; mode_lib->vba.VActive[mode_lib->vba.NumberOfActivePlanes] = dst->vactive; mode_lib->vba.SurfaceTiling[mode_lib->vba.NumberOfActivePlanes] = (enum dm_swizzle_mode) (src->sw_mode); mode_lib->vba.ScalerRecoutWidth[mode_lib->vba.NumberOfActivePlanes] = dst->recout_width; // TODO: or should this be full_recout_width???...maybe only when in hsplit mode? mode_lib->vba.ODMCombineEnabled[mode_lib->vba.NumberOfActivePlanes] = dst->odm_combine; mode_lib->vba.OutputFormat[mode_lib->vba.NumberOfActivePlanes] = (enum output_format_class) (dout->output_format); mode_lib->vba.OutputBpp[mode_lib->vba.NumberOfActivePlanes] = dout->output_bpp; mode_lib->vba.Output[mode_lib->vba.NumberOfActivePlanes] = (enum output_encoder_class) (dout->output_type); if (!dout->dsc_enable) mode_lib->vba.ForcedOutputLinkBPP[mode_lib->vba.NumberOfActivePlanes] = dout->output_bpp; else mode_lib->vba.ForcedOutputLinkBPP[mode_lib->vba.NumberOfActivePlanes] = 0.0; mode_lib->vba.OutputLinkDPLanes[mode_lib->vba.NumberOfActivePlanes] = dout->dp_lanes; /* TODO: Needs to be set based on dout->audio.audio_sample_rate_khz/sample_layout */ mode_lib->vba.AudioSampleRate[mode_lib->vba.NumberOfActivePlanes] = dout->max_audio_sample_rate; mode_lib->vba.AudioSampleLayout[mode_lib->vba.NumberOfActivePlanes] = 1; mode_lib->vba.DRAMClockChangeLatencyOverride = 0.0; mode_lib->vba.DSCEnabled[mode_lib->vba.NumberOfActivePlanes] = dout->dsc_enable; mode_lib->vba.NumberOfDSCSlices[mode_lib->vba.NumberOfActivePlanes] = dout->dsc_slices; mode_lib->vba.DSCInputBitPerComponent[mode_lib->vba.NumberOfActivePlanes] = dout->output_bpc == 0 ? 12 : dout->output_bpc; mode_lib->vba.WritebackEnable[mode_lib->vba.NumberOfActivePlanes] = dout->wb_enable; mode_lib->vba.ActiveWritebacksPerPlane[mode_lib->vba.NumberOfActivePlanes] = dout->num_active_wb; mode_lib->vba.WritebackSourceHeight[mode_lib->vba.NumberOfActivePlanes] = dout->wb.wb_src_height; mode_lib->vba.WritebackSourceWidth[mode_lib->vba.NumberOfActivePlanes] = dout->wb.wb_src_width; mode_lib->vba.WritebackDestinationWidth[mode_lib->vba.NumberOfActivePlanes] = dout->wb.wb_dst_width; mode_lib->vba.WritebackDestinationHeight[mode_lib->vba.NumberOfActivePlanes] = dout->wb.wb_dst_height; mode_lib->vba.WritebackHRatio[mode_lib->vba.NumberOfActivePlanes] = dout->wb.wb_hratio; mode_lib->vba.WritebackVRatio[mode_lib->vba.NumberOfActivePlanes] = dout->wb.wb_vratio; mode_lib->vba.WritebackPixelFormat[mode_lib->vba.NumberOfActivePlanes] = (enum source_format_class) (dout->wb.wb_pixel_format); mode_lib->vba.WritebackHTaps[mode_lib->vba.NumberOfActivePlanes] = dout->wb.wb_htaps_luma; mode_lib->vba.WritebackVTaps[mode_lib->vba.NumberOfActivePlanes] = dout->wb.wb_vtaps_luma; mode_lib->vba.WritebackLumaHTaps[mode_lib->vba.NumberOfActivePlanes] = dout->wb.wb_htaps_luma; mode_lib->vba.WritebackLumaVTaps[mode_lib->vba.NumberOfActivePlanes] = dout->wb.wb_vtaps_luma; mode_lib->vba.WritebackChromaHTaps[mode_lib->vba.NumberOfActivePlanes] = dout->wb.wb_htaps_chroma; mode_lib->vba.WritebackChromaVTaps[mode_lib->vba.NumberOfActivePlanes] = dout->wb.wb_vtaps_chroma; mode_lib->vba.WritebackHRatio[mode_lib->vba.NumberOfActivePlanes] = dout->wb.wb_hratio; mode_lib->vba.WritebackVRatio[mode_lib->vba.NumberOfActivePlanes] = dout->wb.wb_vratio; mode_lib->vba.DynamicMetadataEnable[mode_lib->vba.NumberOfActivePlanes] = src->dynamic_metadata_enable; mode_lib->vba.DynamicMetadataLinesBeforeActiveRequired[mode_lib->vba.NumberOfActivePlanes] = src->dynamic_metadata_lines_before_active; mode_lib->vba.DynamicMetadataTransmittedBytes[mode_lib->vba.NumberOfActivePlanes] = src->dynamic_metadata_xmit_bytes; mode_lib->vba.XFCEnabled[mode_lib->vba.NumberOfActivePlanes] = src->xfc_enable && ip->xfc_supported; mode_lib->vba.XFCSlvChunkSize = src->xfc_params.xfc_slv_chunk_size_bytes; mode_lib->vba.XFCTSlvVupdateOffset = src->xfc_params.xfc_tslv_vupdate_offset_us; mode_lib->vba.XFCTSlvVupdateWidth = src->xfc_params.xfc_tslv_vupdate_width_us; mode_lib->vba.XFCTSlvVreadyOffset = src->xfc_params.xfc_tslv_vready_offset_us; mode_lib->vba.PixelClock[mode_lib->vba.NumberOfActivePlanes] = dst->pixel_rate_mhz; mode_lib->vba.PixelClockBackEnd[mode_lib->vba.NumberOfActivePlanes] = dst->pixel_rate_mhz; mode_lib->vba.DPPCLK[mode_lib->vba.NumberOfActivePlanes] = clks->dppclk_mhz; if (ip->is_line_buffer_bpp_fixed) mode_lib->vba.LBBitPerPixel[mode_lib->vba.NumberOfActivePlanes] = ip->line_buffer_fixed_bpp; else { unsigned int lb_depth; switch (scl->lb_depth) { case dm_lb_6: lb_depth = 18; break; case dm_lb_8: lb_depth = 24; break; case dm_lb_10: lb_depth = 30; break; case dm_lb_12: lb_depth = 36; break; case dm_lb_16: lb_depth = 48; break; case dm_lb_19: lb_depth = 57; break; default: lb_depth = 36; } mode_lib->vba.LBBitPerPixel[mode_lib->vba.NumberOfActivePlanes] = lb_depth; } mode_lib->vba.NumberOfCursors[mode_lib->vba.NumberOfActivePlanes] = 0; // The DML spreadsheet assumes that the two cursors utilize the same amount of bandwidth. We'll // calculate things a little more accurately for (k = 0; k < DC__NUM_CURSOR__MAX; ++k) { switch (k) { case 0: mode_lib->vba.CursorBPP[mode_lib->vba.NumberOfActivePlanes][0] = CursorBppEnumToBits( (enum cursor_bpp) (src->cur0_bpp)); mode_lib->vba.CursorWidth[mode_lib->vba.NumberOfActivePlanes][0] = src->cur0_src_width; if (src->cur0_src_width > 0) mode_lib->vba.NumberOfCursors[mode_lib->vba.NumberOfActivePlanes]++; break; case 1: mode_lib->vba.CursorBPP[mode_lib->vba.NumberOfActivePlanes][1] = CursorBppEnumToBits( (enum cursor_bpp) (src->cur1_bpp)); mode_lib->vba.CursorWidth[mode_lib->vba.NumberOfActivePlanes][1] = src->cur1_src_width; if (src->cur1_src_width > 0) mode_lib->vba.NumberOfCursors[mode_lib->vba.NumberOfActivePlanes]++; break; default: dml_print( "ERROR: Number of cursors specified exceeds supported maximum\n") ; } } OTGInstPlane[mode_lib->vba.NumberOfActivePlanes] = dst->otg_inst; if (j == 0) mode_lib->vba.UseMaximumVStartup = dst->use_maximum_vstartup; else mode_lib->vba.UseMaximumVStartup = mode_lib->vba.UseMaximumVStartup || dst->use_maximum_vstartup; if (dst->odm_combine && !src->is_hsplit) dml_print( "ERROR: ODM Combine is specified but is_hsplit has not be specified for pipe %i\n", j); if (src->is_hsplit) { for (k = j + 1; k < mode_lib->vba.cache_num_pipes; ++k) { display_pipe_source_params_st *src_k = &pipes[k].pipe.src; display_pipe_dest_params_st *dst_k = &pipes[k].pipe.dest; display_output_params_st *dout_k = &pipes[j].dout; if (src_k->is_hsplit && !visited[k] && src->hsplit_grp == src_k->hsplit_grp) { mode_lib->vba.pipe_plane[k] = mode_lib->vba.NumberOfActivePlanes; mode_lib->vba.DPPPerPlane[mode_lib->vba.NumberOfActivePlanes]++; if (mode_lib->vba.SourceScan[mode_lib->vba.NumberOfActivePlanes] == dm_horz) { mode_lib->vba.ViewportWidth[mode_lib->vba.NumberOfActivePlanes] += src_k->viewport_width; mode_lib->vba.ViewportWidthChroma[mode_lib->vba.NumberOfActivePlanes] += src_k->viewport_width; mode_lib->vba.ScalerRecoutWidth[mode_lib->vba.NumberOfActivePlanes] += dst_k->recout_width; } else { mode_lib->vba.ViewportHeight[mode_lib->vba.NumberOfActivePlanes] += src_k->viewport_height; mode_lib->vba.ViewportHeightChroma[mode_lib->vba.NumberOfActivePlanes] += src_k->viewport_height; } mode_lib->vba.NumberOfDSCSlices[mode_lib->vba.NumberOfActivePlanes] += dout_k->dsc_slices; visited[k] = true; } } } if (pipes[k].pipe.src.immediate_flip) mode_lib->vba.ImmediateFlipSupport = true; mode_lib->vba.NumberOfActivePlanes++; } // handle overlays through BlendingAndTiming // BlendingAndTiming tells you which instance to look at to get timing, the so called 'master' for (j = 0; j < mode_lib->vba.NumberOfActivePlanes; ++j) PlaneVisited[j] = false; for (j = 0; j < mode_lib->vba.NumberOfActivePlanes; ++j) { for (k = j + 1; k < mode_lib->vba.NumberOfActivePlanes; ++k) { if (!PlaneVisited[k] && OTGInstPlane[j] == OTGInstPlane[k]) { // doesn't matter, so choose the smaller one mode_lib->vba.BlendingAndTiming[j] = j; PlaneVisited[j] = true; mode_lib->vba.BlendingAndTiming[k] = j; PlaneVisited[k] = true; } } if (!PlaneVisited[j]) { mode_lib->vba.BlendingAndTiming[j] = j; PlaneVisited[j] = true; } } // TODO: ODMCombineEnabled => 2 * DPPPerPlane...actually maybe not since all pipes are specified // Do we want the dscclk to automatically be halved? Guess not since the value is specified mode_lib->vba.SynchronizedVBlank = pipes[0].pipe.dest.synchronized_vblank_all_planes; for (k = 1; k < mode_lib->vba.cache_num_pipes; ++k) ASSERT(mode_lib->vba.SynchronizedVBlank == pipes[k].pipe.dest.synchronized_vblank_all_planes); mode_lib->vba.GPUVMEnable = false; mode_lib->vba.HostVMEnable = false; mode_lib->vba.OverrideGPUVMPageTableLevels = 0; mode_lib->vba.OverrideHostVMPageTableLevels = 0; for (k = 0; k < mode_lib->vba.cache_num_pipes; ++k) { mode_lib->vba.GPUVMEnable = mode_lib->vba.GPUVMEnable || !!pipes[k].pipe.src.gpuvm || !!pipes[k].pipe.src.vm; mode_lib->vba.OverrideGPUVMPageTableLevels = (pipes[k].pipe.src.gpuvm_levels_force_en && mode_lib->vba.OverrideGPUVMPageTableLevels < pipes[k].pipe.src.gpuvm_levels_force) ? pipes[k].pipe.src.gpuvm_levels_force : mode_lib->vba.OverrideGPUVMPageTableLevels; mode_lib->vba.HostVMEnable = mode_lib->vba.HostVMEnable || !!pipes[k].pipe.src.hostvm || !!pipes[k].pipe.src.vm; mode_lib->vba.OverrideHostVMPageTableLevels = (pipes[k].pipe.src.hostvm_levels_force_en && mode_lib->vba.OverrideHostVMPageTableLevels < pipes[k].pipe.src.hostvm_levels_force) ? pipes[k].pipe.src.hostvm_levels_force : mode_lib->vba.OverrideHostVMPageTableLevels; } mode_lib->vba.AllowDRAMSelfRefreshOrDRAMClockChangeInVblank = dm_try_to_allow_self_refresh_and_mclk_switch; if (mode_lib->vba.OverrideGPUVMPageTableLevels) mode_lib->vba.GPUVMMaxPageTableLevels = mode_lib->vba.OverrideGPUVMPageTableLevels; if (mode_lib->vba.OverrideHostVMPageTableLevels) mode_lib->vba.HostVMMaxPageTableLevels = mode_lib->vba.OverrideHostVMPageTableLevels; mode_lib->vba.GPUVMEnable = mode_lib->vba.GPUVMEnable && !!ip->gpuvm_enable; mode_lib->vba.HostVMEnable = mode_lib->vba.HostVMEnable && !!ip->hostvm_enable; } // in wm mode we pull the parameters needed from the display_e2e_pipe_params_st structs // rather than working them out as in recalculate_ms static void recalculate_params( struct display_mode_lib *mode_lib, const display_e2e_pipe_params_st *pipes, unsigned int num_pipes) { // This is only safe to use memcmp because there are non-POD types in struct display_mode_lib if (memcmp(&mode_lib->soc, &mode_lib->vba.soc, sizeof(mode_lib->vba.soc)) != 0 || memcmp(&mode_lib->ip, &mode_lib->vba.ip, sizeof(mode_lib->vba.ip)) != 0 || num_pipes != mode_lib->vba.cache_num_pipes || memcmp( pipes, mode_lib->vba.cache_pipes, sizeof(display_e2e_pipe_params_st) * num_pipes) != 0) { mode_lib->vba.soc = mode_lib->soc; mode_lib->vba.ip = mode_lib->ip; memcpy(mode_lib->vba.cache_pipes, pipes, sizeof(*pipes) * num_pipes); mode_lib->vba.cache_num_pipes = num_pipes; mode_lib->funcs.recalculate(mode_lib); } } bool Calculate256BBlockSizes( enum source_format_class SourcePixelFormat, enum dm_swizzle_mode SurfaceTiling, unsigned int BytePerPixelY, unsigned int BytePerPixelC, unsigned int *BlockHeight256BytesY, unsigned int *BlockHeight256BytesC, unsigned int *BlockWidth256BytesY, unsigned int *BlockWidth256BytesC) { if ((SourcePixelFormat == dm_444_64 || SourcePixelFormat == dm_444_32 || SourcePixelFormat == dm_444_16 || SourcePixelFormat == dm_444_8)) { if (SurfaceTiling == dm_sw_linear) { *BlockHeight256BytesY = 1; } else if (SourcePixelFormat == dm_444_64) { *BlockHeight256BytesY = 4; } else if (SourcePixelFormat == dm_444_8) { *BlockHeight256BytesY = 16; } else { *BlockHeight256BytesY = 8; } *BlockWidth256BytesY = 256 / BytePerPixelY / *BlockHeight256BytesY; *BlockHeight256BytesC = 0; *BlockWidth256BytesC = 0; } else { if (SurfaceTiling == dm_sw_linear) { *BlockHeight256BytesY = 1; *BlockHeight256BytesC = 1; } else if (SourcePixelFormat == dm_420_8) { *BlockHeight256BytesY = 16; *BlockHeight256BytesC = 8; } else { *BlockHeight256BytesY = 8; *BlockHeight256BytesC = 8; } *BlockWidth256BytesY = 256 / BytePerPixelY / *BlockHeight256BytesY; *BlockWidth256BytesC = 256 / BytePerPixelC / *BlockHeight256BytesC; } return true; } bool CalculateMinAndMaxPrefetchMode( enum self_refresh_affinity AllowDRAMSelfRefreshOrDRAMClockChangeInVblank, unsigned int *MinPrefetchMode, unsigned int *MaxPrefetchMode) { if (AllowDRAMSelfRefreshOrDRAMClockChangeInVblank == dm_neither_self_refresh_nor_mclk_switch) { *MinPrefetchMode = 2; *MaxPrefetchMode = 2; return false; } else if (AllowDRAMSelfRefreshOrDRAMClockChangeInVblank == dm_allow_self_refresh) { *MinPrefetchMode = 1; *MaxPrefetchMode = 1; return false; } else if (AllowDRAMSelfRefreshOrDRAMClockChangeInVblank == dm_allow_self_refresh_and_mclk_switch) { *MinPrefetchMode = 0; *MaxPrefetchMode = 0; return false; } else if (AllowDRAMSelfRefreshOrDRAMClockChangeInVblank == dm_try_to_allow_self_refresh_and_mclk_switch) { *MinPrefetchMode = 0; *MaxPrefetchMode = 2; return false; } *MinPrefetchMode = 0; *MaxPrefetchMode = 2; return true; } void PixelClockAdjustmentForProgressiveToInterlaceUnit(struct display_mode_lib *mode_lib) { unsigned int k; //Progressive To Interlace Unit Effect for (k = 0; k < mode_lib->vba.NumberOfActivePlanes; ++k) { if (mode_lib->vba.Interlace[k] == 1 && mode_lib->vba.ProgressiveToInterlaceUnitInOPP == true) { mode_lib->vba.PixelClock[k] = 2 * mode_lib->vba.PixelClockBackEnd[k]; } } } static unsigned int CursorBppEnumToBits(enum cursor_bpp ebpp) { switch (ebpp) { case dm_cur_2bit: return 2; case dm_cur_32bit: return 32; case dm_cur_64bit: return 64; default: return 0; } } void ModeSupportAndSystemConfiguration(struct display_mode_lib *mode_lib) { soc_bounding_box_st *soc = &mode_lib->vba.soc; unsigned int k; unsigned int total_pipes = 0; mode_lib->vba.VoltageLevel = mode_lib->vba.cache_pipes[0].clks_cfg.voltage; mode_lib->vba.ReturnBW = mode_lib->vba.ReturnBWPerState[mode_lib->vba.VoltageLevel][mode_lib->vba.maxMpcComb]; if (mode_lib->vba.ReturnBW == 0) mode_lib->vba.ReturnBW = mode_lib->vba.ReturnBWPerState[mode_lib->vba.VoltageLevel][0]; mode_lib->vba.FabricAndDRAMBandwidth = mode_lib->vba.FabricAndDRAMBandwidthPerState[mode_lib->vba.VoltageLevel]; fetch_socbb_params(mode_lib); fetch_ip_params(mode_lib); fetch_pipe_params(mode_lib); mode_lib->vba.DCFCLK = mode_lib->vba.cache_pipes[0].clks_cfg.dcfclk_mhz; mode_lib->vba.SOCCLK = mode_lib->vba.cache_pipes[0].clks_cfg.socclk_mhz; if (mode_lib->vba.cache_pipes[0].clks_cfg.dispclk_mhz > 0.0) mode_lib->vba.DISPCLK = mode_lib->vba.cache_pipes[0].clks_cfg.dispclk_mhz; else mode_lib->vba.DISPCLK = soc->clock_limits[mode_lib->vba.VoltageLevel].dispclk_mhz; // Total Available Pipes Support Check for (k = 0; k < mode_lib->vba.NumberOfActivePlanes; ++k) total_pipes += mode_lib->vba.DPPPerPlane[k]; ASSERT(total_pipes <= DC__NUM_DPP__MAX); } double CalculateWriteBackDISPCLK( enum source_format_class WritebackPixelFormat, double PixelClock, double WritebackHRatio, double WritebackVRatio, unsigned int WritebackLumaHTaps, unsigned int WritebackLumaVTaps, unsigned int WritebackChromaHTaps, unsigned int WritebackChromaVTaps, double WritebackDestinationWidth, unsigned int HTotal, unsigned int WritebackChromaLineBufferWidth) { double CalculateWriteBackDISPCLK = 1.01 * PixelClock * dml_max( dml_ceil(WritebackLumaHTaps / 4.0, 1) / WritebackHRatio, dml_max((WritebackLumaVTaps * dml_ceil(1.0 / WritebackVRatio, 1) * dml_ceil(WritebackDestinationWidth / 4.0, 1) + dml_ceil(WritebackDestinationWidth / 4.0, 1)) / (double) HTotal + dml_ceil(1.0 / WritebackVRatio, 1) * (dml_ceil(WritebackLumaVTaps / 4.0, 1) + 4.0) / (double) HTotal, dml_ceil(1.0 / WritebackVRatio, 1) * WritebackDestinationWidth / (double) HTotal)); if (WritebackPixelFormat != dm_444_32) { CalculateWriteBackDISPCLK = dml_max(CalculateWriteBackDISPCLK, 1.01 * PixelClock * dml_max( dml_ceil(WritebackChromaHTaps / 2.0, 1) / (2 * WritebackHRatio), dml_max((WritebackChromaVTaps * dml_ceil(1 / (2 * WritebackVRatio), 1) * dml_ceil(WritebackDestinationWidth / 2.0 / 2.0, 1) + dml_ceil(WritebackDestinationWidth / 2.0 / WritebackChromaLineBufferWidth, 1)) / HTotal + dml_ceil(1 / (2 * WritebackVRatio), 1) * (dml_ceil(WritebackChromaVTaps / 4.0, 1) + 4) / HTotal, dml_ceil(1.0 / (2 * WritebackVRatio), 1) * WritebackDestinationWidth / 2.0 / HTotal))); } return CalculateWriteBackDISPCLK; }
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