diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c | 839 |
1 files changed, 839 insertions, 0 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 new file mode 100644 index 000000000000..4d2a1262d9db --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c @@ -0,0 +1,839 @@ +/* + * 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 + * + */ + +#ifdef CONFIG_DRM_AMD_DC_DCN2_0 + +#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.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->vmm_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; + } +} + +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.MinVoltageLevel = 0; + mode_lib->vba.MaxVoltageLevel = 5; + + 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.SurfaceHeightY[mode_lib->vba.NumberOfActivePlanes] = src->viewport_height; + mode_lib->vba.PitchC[mode_lib->vba.NumberOfActivePlanes] = src->data_pitch_c; + mode_lib->vba.SurfaceHeightC[mode_lib->vba.NumberOfActivePlanes] = src->viewport_height_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] = 0; + mode_lib->vba.DCCRateChroma[mode_lib->vba.NumberOfActivePlanes] = 0; + + 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.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] = + 44.1 * 1000; + 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.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; + + 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; + else + mode_lib->vba.ViewportHeight[mode_lib->vba.NumberOfActivePlanes] += + src_k->viewport_height; + + 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.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; +} + +#endif |