diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c | 743 |
1 files changed, 743 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c new file mode 100644 index 000000000000..e1e92daba668 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c @@ -0,0 +1,743 @@ +/* + * Copyright 2020-2021 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 "resource.h" +#include "clk_mgr.h" +#include "reg_helper.h" +#include "dcn_calc_math.h" +#include "dcn20/dcn20_resource.h" +#include "dcn30/dcn30_resource.h" + +#include "clk_mgr/dcn30/dcn30_smu11_driver_if.h" +#include "display_mode_vba_30.h" +#include "dcn30_fpu.h" + +#define REG(reg)\ + optc1->tg_regs->reg + +#define CTX \ + optc1->base.ctx + +#undef FN +#define FN(reg_name, field_name) \ + optc1->tg_shift->field_name, optc1->tg_mask->field_name + + +struct _vcs_dpi_ip_params_st dcn3_0_ip = { + .use_min_dcfclk = 0, + .clamp_min_dcfclk = 0, + .odm_capable = 1, + .gpuvm_enable = 0, + .hostvm_enable = 0, + .gpuvm_max_page_table_levels = 4, + .hostvm_max_page_table_levels = 4, + .hostvm_cached_page_table_levels = 0, + .pte_group_size_bytes = 2048, + .num_dsc = 6, + .rob_buffer_size_kbytes = 184, + .det_buffer_size_kbytes = 184, + .dpte_buffer_size_in_pte_reqs_luma = 84, + .pde_proc_buffer_size_64k_reqs = 48, + .dpp_output_buffer_pixels = 2560, + .opp_output_buffer_lines = 1, + .pixel_chunk_size_kbytes = 8, + .pte_enable = 1, + .max_page_table_levels = 2, + .pte_chunk_size_kbytes = 2, // ? + .meta_chunk_size_kbytes = 2, + .writeback_chunk_size_kbytes = 8, + .line_buffer_size_bits = 789504, + .is_line_buffer_bpp_fixed = 0, // ? + .line_buffer_fixed_bpp = 0, // ? + .dcc_supported = true, + .writeback_interface_buffer_size_kbytes = 90, + .writeback_line_buffer_buffer_size = 0, + .max_line_buffer_lines = 12, + .writeback_luma_buffer_size_kbytes = 12, // writeback_line_buffer_buffer_size = 656640 + .writeback_chroma_buffer_size_kbytes = 8, + .writeback_chroma_line_buffer_width_pixels = 4, + .writeback_max_hscl_ratio = 1, + .writeback_max_vscl_ratio = 1, + .writeback_min_hscl_ratio = 1, + .writeback_min_vscl_ratio = 1, + .writeback_max_hscl_taps = 1, + .writeback_max_vscl_taps = 1, + .writeback_line_buffer_luma_buffer_size = 0, + .writeback_line_buffer_chroma_buffer_size = 14643, + .cursor_buffer_size = 8, + .cursor_chunk_size = 2, + .max_num_otg = 6, + .max_num_dpp = 6, + .max_num_wb = 1, + .max_dchub_pscl_bw_pix_per_clk = 4, + .max_pscl_lb_bw_pix_per_clk = 2, + .max_lb_vscl_bw_pix_per_clk = 4, + .max_vscl_hscl_bw_pix_per_clk = 4, + .max_hscl_ratio = 6, + .max_vscl_ratio = 6, + .hscl_mults = 4, + .vscl_mults = 4, + .max_hscl_taps = 8, + .max_vscl_taps = 8, + .dispclk_ramp_margin_percent = 1, + .underscan_factor = 1.11, + .min_vblank_lines = 32, + .dppclk_delay_subtotal = 46, + .dynamic_metadata_vm_enabled = true, + .dppclk_delay_scl_lb_only = 16, + .dppclk_delay_scl = 50, + .dppclk_delay_cnvc_formatter = 27, + .dppclk_delay_cnvc_cursor = 6, + .dispclk_delay_subtotal = 119, + .dcfclk_cstate_latency = 5.2, // SRExitTime + .max_inter_dcn_tile_repeaters = 8, + .max_num_hdmi_frl_outputs = 1, + .odm_combine_4to1_supported = true, + + .xfc_supported = false, + .xfc_fill_bw_overhead_percent = 10.0, + .xfc_fill_constant_bytes = 0, + .gfx7_compat_tiling_supported = 0, + .number_of_cursors = 1, +}; + +struct _vcs_dpi_soc_bounding_box_st dcn3_0_soc = { + .clock_limits = { + { + .state = 0, + .dispclk_mhz = 562.0, + .dppclk_mhz = 300.0, + .phyclk_mhz = 300.0, + .phyclk_d18_mhz = 667.0, + .dscclk_mhz = 405.6, + }, + }, + + .min_dcfclk = 500.0, /* TODO: set this to actual min DCFCLK */ + .num_states = 1, + .sr_exit_time_us = 15.5, + .sr_enter_plus_exit_time_us = 20, + .urgent_latency_us = 4.0, + .urgent_latency_pixel_data_only_us = 4.0, + .urgent_latency_pixel_mixed_with_vm_data_us = 4.0, + .urgent_latency_vm_data_only_us = 4.0, + .urgent_out_of_order_return_per_channel_pixel_only_bytes = 4096, + .urgent_out_of_order_return_per_channel_pixel_and_vm_bytes = 4096, + .urgent_out_of_order_return_per_channel_vm_only_bytes = 4096, + .pct_ideal_dram_sdp_bw_after_urgent_pixel_only = 80.0, + .pct_ideal_dram_sdp_bw_after_urgent_pixel_and_vm = 60.0, + .pct_ideal_dram_sdp_bw_after_urgent_vm_only = 40.0, + .max_avg_sdp_bw_use_normal_percent = 60.0, + .max_avg_dram_bw_use_normal_percent = 40.0, + .writeback_latency_us = 12.0, + .max_request_size_bytes = 256, + .fabric_datapath_to_dcn_data_return_bytes = 64, + .dcn_downspread_percent = 0.5, + .downspread_percent = 0.38, + .dram_page_open_time_ns = 50.0, + .dram_rw_turnaround_time_ns = 17.5, + .dram_return_buffer_per_channel_bytes = 8192, + .round_trip_ping_latency_dcfclk_cycles = 191, + .urgent_out_of_order_return_per_channel_bytes = 4096, + .channel_interleave_bytes = 256, + .num_banks = 8, + .gpuvm_min_page_size_bytes = 4096, + .hostvm_min_page_size_bytes = 4096, + .dram_clock_change_latency_us = 404, + .dummy_pstate_latency_us = 5, + .writeback_dram_clock_change_latency_us = 23.0, + .return_bus_width_bytes = 64, + .dispclk_dppclk_vco_speed_mhz = 3650, + .xfc_bus_transport_time_us = 20, // ? + .xfc_xbuf_latency_tolerance_us = 4, // ? + .use_urgent_burst_bw = 1, // ? + .do_urgent_latency_adjustment = true, + .urgent_latency_adjustment_fabric_clock_component_us = 1.0, + .urgent_latency_adjustment_fabric_clock_reference_mhz = 1000, +}; + + +void optc3_fpu_set_vrr_m_const(struct timing_generator *optc, + double vtotal_avg) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + double vtotal_min, vtotal_max; + double ratio, modulo, phase; + uint32_t vblank_start; + uint32_t v_total_mask_value = 0; + + dc_assert_fp_enabled(); + + /* Compute VTOTAL_MIN and VTOTAL_MAX, so that + * VOTAL_MAX - VTOTAL_MIN = 1 + */ + v_total_mask_value = 16; + vtotal_min = dcn_bw_floor(vtotal_avg); + vtotal_max = dcn_bw_ceil(vtotal_avg); + + /* Check that bottom VBLANK is at least 2 lines tall when running with + * VTOTAL_MIN. Note that VTOTAL registers are defined as 'total number + * of lines in a frame - 1'. + */ + REG_GET(OTG_V_BLANK_START_END, OTG_V_BLANK_START, + &vblank_start); + ASSERT(vtotal_min >= vblank_start + 1); + + /* Special case where the average frame rate can be achieved + * without using the DTO + */ + if (vtotal_min == vtotal_max) { + REG_SET(OTG_V_TOTAL, 0, OTG_V_TOTAL, (uint32_t)vtotal_min); + + optc->funcs->set_vtotal_min_max(optc, 0, 0); + REG_SET(OTG_M_CONST_DTO0, 0, OTG_M_CONST_DTO_PHASE, 0); + REG_SET(OTG_M_CONST_DTO1, 0, OTG_M_CONST_DTO_MODULO, 0); + REG_UPDATE_3(OTG_V_TOTAL_CONTROL, + OTG_V_TOTAL_MIN_SEL, 0, + OTG_V_TOTAL_MAX_SEL, 0, + OTG_SET_V_TOTAL_MIN_MASK_EN, 0); + return; + } + + ratio = vtotal_max - vtotal_avg; + modulo = 65536.0 * 65536.0 - 1.0; /* 2^32 - 1 */ + phase = ratio * modulo; + + /* Special cases where the DTO phase gets rounded to 0 or + * to DTO modulo + */ + if (phase <= 0 || phase >= modulo) { + REG_SET(OTG_V_TOTAL, 0, OTG_V_TOTAL, + phase <= 0 ? + (uint32_t)vtotal_max : (uint32_t)vtotal_min); + REG_SET(OTG_V_TOTAL_MIN, 0, OTG_V_TOTAL_MIN, 0); + REG_SET(OTG_V_TOTAL_MAX, 0, OTG_V_TOTAL_MAX, 0); + REG_SET(OTG_M_CONST_DTO0, 0, OTG_M_CONST_DTO_PHASE, 0); + REG_SET(OTG_M_CONST_DTO1, 0, OTG_M_CONST_DTO_MODULO, 0); + REG_UPDATE_3(OTG_V_TOTAL_CONTROL, + OTG_V_TOTAL_MIN_SEL, 0, + OTG_V_TOTAL_MAX_SEL, 0, + OTG_SET_V_TOTAL_MIN_MASK_EN, 0); + return; + } + REG_UPDATE_6(OTG_V_TOTAL_CONTROL, + OTG_V_TOTAL_MIN_SEL, 1, + OTG_V_TOTAL_MAX_SEL, 1, + OTG_SET_V_TOTAL_MIN_MASK_EN, 1, + OTG_SET_V_TOTAL_MIN_MASK, v_total_mask_value, + OTG_VTOTAL_MID_REPLACING_MIN_EN, 0, + OTG_VTOTAL_MID_REPLACING_MAX_EN, 0); + REG_SET(OTG_V_TOTAL, 0, OTG_V_TOTAL, (uint32_t)vtotal_min); + optc->funcs->set_vtotal_min_max(optc, vtotal_min, vtotal_max); + REG_SET(OTG_M_CONST_DTO0, 0, OTG_M_CONST_DTO_PHASE, (uint32_t)phase); + REG_SET(OTG_M_CONST_DTO1, 0, OTG_M_CONST_DTO_MODULO, (uint32_t)modulo); +} + +void dcn30_fpu_populate_dml_writeback_from_context( + struct dc *dc, struct resource_context *res_ctx, display_e2e_pipe_params_st *pipes) +{ + int pipe_cnt, i, j; + double max_calc_writeback_dispclk; + double writeback_dispclk; + struct writeback_st dout_wb; + + dc_assert_fp_enabled(); + + for (i = 0, pipe_cnt = 0; i < dc->res_pool->pipe_count; i++) { + struct dc_stream_state *stream = res_ctx->pipe_ctx[i].stream; + + if (!stream) + continue; + max_calc_writeback_dispclk = 0; + + /* Set writeback information */ + pipes[pipe_cnt].dout.wb_enable = 0; + pipes[pipe_cnt].dout.num_active_wb = 0; + for (j = 0; j < stream->num_wb_info; j++) { + struct dc_writeback_info *wb_info = &stream->writeback_info[j]; + + if (wb_info->wb_enabled && wb_info->writeback_source_plane && + (wb_info->writeback_source_plane == res_ctx->pipe_ctx[i].plane_state)) { + pipes[pipe_cnt].dout.wb_enable = 1; + pipes[pipe_cnt].dout.num_active_wb++; + dout_wb.wb_src_height = wb_info->dwb_params.cnv_params.crop_en ? + wb_info->dwb_params.cnv_params.crop_height : + wb_info->dwb_params.cnv_params.src_height; + dout_wb.wb_src_width = wb_info->dwb_params.cnv_params.crop_en ? + wb_info->dwb_params.cnv_params.crop_width : + wb_info->dwb_params.cnv_params.src_width; + dout_wb.wb_dst_width = wb_info->dwb_params.dest_width; + dout_wb.wb_dst_height = wb_info->dwb_params.dest_height; + + /* For IP that doesn't support WB scaling, set h/v taps to 1 to avoid DML validation failure */ + if (dc->dml.ip.writeback_max_hscl_taps > 1) { + dout_wb.wb_htaps_luma = wb_info->dwb_params.scaler_taps.h_taps; + dout_wb.wb_vtaps_luma = wb_info->dwb_params.scaler_taps.v_taps; + } else { + dout_wb.wb_htaps_luma = 1; + dout_wb.wb_vtaps_luma = 1; + } + dout_wb.wb_htaps_chroma = 0; + dout_wb.wb_vtaps_chroma = 0; + dout_wb.wb_hratio = wb_info->dwb_params.cnv_params.crop_en ? + (double)wb_info->dwb_params.cnv_params.crop_width / + (double)wb_info->dwb_params.dest_width : + (double)wb_info->dwb_params.cnv_params.src_width / + (double)wb_info->dwb_params.dest_width; + dout_wb.wb_vratio = wb_info->dwb_params.cnv_params.crop_en ? + (double)wb_info->dwb_params.cnv_params.crop_height / + (double)wb_info->dwb_params.dest_height : + (double)wb_info->dwb_params.cnv_params.src_height / + (double)wb_info->dwb_params.dest_height; + if (wb_info->dwb_params.cnv_params.fc_out_format == DWB_OUT_FORMAT_64BPP_ARGB || + wb_info->dwb_params.cnv_params.fc_out_format == DWB_OUT_FORMAT_64BPP_RGBA) + dout_wb.wb_pixel_format = dm_444_64; + else + dout_wb.wb_pixel_format = dm_444_32; + + /* Workaround for cases where multiple writebacks are connected to same plane + * In which case, need to compute worst case and set the associated writeback parameters + * This workaround is necessary due to DML computation assuming only 1 set of writeback + * parameters per pipe + */ + writeback_dispclk = dml30_CalculateWriteBackDISPCLK( + dout_wb.wb_pixel_format, + pipes[pipe_cnt].pipe.dest.pixel_rate_mhz, + dout_wb.wb_hratio, + dout_wb.wb_vratio, + dout_wb.wb_htaps_luma, + dout_wb.wb_vtaps_luma, + dout_wb.wb_src_width, + dout_wb.wb_dst_width, + pipes[pipe_cnt].pipe.dest.htotal, + dc->current_state->bw_ctx.dml.ip.writeback_line_buffer_buffer_size); + + if (writeback_dispclk > max_calc_writeback_dispclk) { + max_calc_writeback_dispclk = writeback_dispclk; + pipes[pipe_cnt].dout.wb = dout_wb; + } + } + } + + pipe_cnt++; + } +} + +void dcn30_fpu_set_mcif_arb_params(struct mcif_arb_params *wb_arb_params, + struct display_mode_lib *dml, + display_e2e_pipe_params_st *pipes, + int pipe_cnt, + int cur_pipe) +{ + int i; + + dc_assert_fp_enabled(); + + for (i = 0; i < ARRAY_SIZE(wb_arb_params->cli_watermark); i++) { + wb_arb_params->cli_watermark[i] = get_wm_writeback_urgent(dml, pipes, pipe_cnt) * 1000; + wb_arb_params->pstate_watermark[i] = get_wm_writeback_dram_clock_change(dml, pipes, pipe_cnt) * 1000; + } + + wb_arb_params->dram_speed_change_duration = dml->vba.WritebackAllowDRAMClockChangeEndPosition[cur_pipe] * pipes[0].clks_cfg.refclk_mhz; /* num_clock_cycles = us * MHz */ +} + +void dcn30_fpu_update_soc_for_wm_a(struct dc *dc, struct dc_state *context) +{ + + dc_assert_fp_enabled(); + + if (dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].valid) { + context->bw_ctx.dml.soc.dram_clock_change_latency_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.pstate_latency_us; + context->bw_ctx.dml.soc.sr_enter_plus_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.sr_enter_plus_exit_time_us; + context->bw_ctx.dml.soc.sr_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.sr_exit_time_us; + } +} + +void dcn30_fpu_calculate_wm_and_dlg( + struct dc *dc, struct dc_state *context, + display_e2e_pipe_params_st *pipes, + int pipe_cnt, + int vlevel) +{ + int maxMpcComb = context->bw_ctx.dml.vba.maxMpcComb; + int i, pipe_idx; + double dcfclk = context->bw_ctx.dml.vba.DCFCLKState[vlevel][maxMpcComb]; + bool pstate_en = context->bw_ctx.dml.vba.DRAMClockChangeSupport[vlevel][maxMpcComb] != dm_dram_clock_change_unsupported; + + dc_assert_fp_enabled(); + + if (context->bw_ctx.dml.soc.min_dcfclk > dcfclk) + dcfclk = context->bw_ctx.dml.soc.min_dcfclk; + + pipes[0].clks_cfg.voltage = vlevel; + pipes[0].clks_cfg.dcfclk_mhz = dcfclk; + pipes[0].clks_cfg.socclk_mhz = context->bw_ctx.dml.soc.clock_limits[vlevel].socclk_mhz; + + /* Set B: + * DCFCLK: 1GHz or min required above 1GHz + * FCLK/UCLK: Max + */ + if (dc->clk_mgr->bw_params->wm_table.nv_entries[WM_B].valid) { + if (vlevel == 0) { + pipes[0].clks_cfg.voltage = 1; + pipes[0].clks_cfg.dcfclk_mhz = context->bw_ctx.dml.soc.clock_limits[0].dcfclk_mhz; + } + context->bw_ctx.dml.soc.dram_clock_change_latency_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_B].dml_input.pstate_latency_us; + context->bw_ctx.dml.soc.sr_enter_plus_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_B].dml_input.sr_enter_plus_exit_time_us; + context->bw_ctx.dml.soc.sr_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_B].dml_input.sr_exit_time_us; + } + context->bw_ctx.bw.dcn.watermarks.b.urgent_ns = get_wm_urgent(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.cstate_enter_plus_exit_ns = get_wm_stutter_enter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.b.pte_meta_urgent_ns = get_wm_memory_trip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.b.frac_urg_bw_nom = get_fraction_of_urgent_bandwidth(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.b.frac_urg_bw_flip = get_fraction_of_urgent_bandwidth_imm_flip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.b.urgent_latency_ns = get_urgent_latency(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + + pipes[0].clks_cfg.voltage = vlevel; + pipes[0].clks_cfg.dcfclk_mhz = dcfclk; + + /* Set D: + * DCFCLK: Min Required + * FCLK(proportional to UCLK): 1GHz or Max + * MALL stutter, sr_enter_exit = 4, sr_exit = 2us + */ + /* + if (dc->clk_mgr->bw_params->wm_table.nv_entries[WM_D].valid) { + context->bw_ctx.dml.soc.dram_clock_change_latency_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_D].dml_input.pstate_latency_us; + context->bw_ctx.dml.soc.sr_enter_plus_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_D].dml_input.sr_enter_plus_exit_time_us; + context->bw_ctx.dml.soc.sr_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_D].dml_input.sr_exit_time_us; + } + context->bw_ctx.bw.dcn.watermarks.d.urgent_ns = get_wm_urgent(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.cstate_enter_plus_exit_ns = get_wm_stutter_enter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.d.pte_meta_urgent_ns = get_wm_memory_trip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.d.frac_urg_bw_nom = get_fraction_of_urgent_bandwidth(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.d.frac_urg_bw_flip = get_fraction_of_urgent_bandwidth_imm_flip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.d.urgent_latency_ns = get_urgent_latency(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + */ + + /* Set C: + * DCFCLK: Min Required + * FCLK(proportional to UCLK): 1GHz or Max + * pstate latency overridden to 5us + */ + if (dc->clk_mgr->bw_params->wm_table.nv_entries[WM_C].valid) { + unsigned int min_dram_speed_mts = context->bw_ctx.dml.vba.DRAMSpeed; + unsigned int min_dram_speed_mts_margin = 160; + + if (context->bw_ctx.dml.vba.DRAMClockChangeSupport[vlevel][context->bw_ctx.dml.vba.maxMpcComb] == dm_dram_clock_change_unsupported) + min_dram_speed_mts = dc->clk_mgr->bw_params->clk_table.entries[dc->clk_mgr->bw_params->clk_table.num_entries - 1].memclk_mhz * 16; + + /* find largest table entry that is lower than dram speed, but lower than DPM0 still uses DPM0 */ + for (i = 3; i > 0; i--) + if (min_dram_speed_mts + min_dram_speed_mts_margin > dc->clk_mgr->bw_params->dummy_pstate_table[i].dram_speed_mts) + break; + + context->bw_ctx.dml.soc.dram_clock_change_latency_us = dc->clk_mgr->bw_params->dummy_pstate_table[i].dummy_pstate_latency_us; + + context->bw_ctx.dml.soc.sr_enter_plus_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_C].dml_input.sr_enter_plus_exit_time_us; + context->bw_ctx.dml.soc.sr_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_C].dml_input.sr_exit_time_us; + } + + context->bw_ctx.bw.dcn.watermarks.c.urgent_ns = get_wm_urgent(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.cstate_enter_plus_exit_ns = get_wm_stutter_enter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.c.pte_meta_urgent_ns = get_wm_memory_trip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.c.frac_urg_bw_nom = get_fraction_of_urgent_bandwidth(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.c.frac_urg_bw_flip = get_fraction_of_urgent_bandwidth_imm_flip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.c.urgent_latency_ns = get_urgent_latency(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + + if (!pstate_en) { + /* The only difference between A and C is p-state latency, if p-state is not supported we want to + * calculate DLG based on dummy p-state latency, and max out the set A p-state watermark + */ + context->bw_ctx.bw.dcn.watermarks.a = context->bw_ctx.bw.dcn.watermarks.c; + context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = 0; + } else { + /* Set A: + * DCFCLK: Min Required + * FCLK(proportional to UCLK): 1GHz or Max + * + * Set A calculated last so that following calculations are based on Set A + */ + dc->res_pool->funcs->update_soc_for_wm_a(dc, context); + context->bw_ctx.bw.dcn.watermarks.a.urgent_ns = get_wm_urgent(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.cstate_enter_plus_exit_ns = get_wm_stutter_enter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.a.pte_meta_urgent_ns = get_wm_memory_trip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.a.frac_urg_bw_nom = get_fraction_of_urgent_bandwidth(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.a.frac_urg_bw_flip = get_fraction_of_urgent_bandwidth_imm_flip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + context->bw_ctx.bw.dcn.watermarks.a.urgent_latency_ns = get_urgent_latency(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000; + } + + context->perf_params.stutter_period_us = context->bw_ctx.dml.vba.StutterPeriod; + + /* Make set D = set A until set D is enabled */ + context->bw_ctx.bw.dcn.watermarks.d = context->bw_ctx.bw.dcn.watermarks.a; + + for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) { + if (!context->res_ctx.pipe_ctx[i].stream) + continue; + + pipes[pipe_idx].clks_cfg.dispclk_mhz = get_dispclk_calculated(&context->bw_ctx.dml, pipes, pipe_cnt); + pipes[pipe_idx].clks_cfg.dppclk_mhz = get_dppclk_calculated(&context->bw_ctx.dml, pipes, pipe_cnt, pipe_idx); + + if (dc->config.forced_clocks) { + pipes[pipe_idx].clks_cfg.dispclk_mhz = context->bw_ctx.dml.soc.clock_limits[0].dispclk_mhz; + pipes[pipe_idx].clks_cfg.dppclk_mhz = context->bw_ctx.dml.soc.clock_limits[0].dppclk_mhz; + } + if (dc->debug.min_disp_clk_khz > pipes[pipe_idx].clks_cfg.dispclk_mhz * 1000) + pipes[pipe_idx].clks_cfg.dispclk_mhz = dc->debug.min_disp_clk_khz / 1000.0; + if (dc->debug.min_dpp_clk_khz > pipes[pipe_idx].clks_cfg.dppclk_mhz * 1000) + pipes[pipe_idx].clks_cfg.dppclk_mhz = dc->debug.min_dpp_clk_khz / 1000.0; + + pipe_idx++; + } + + DC_FP_START(); + dcn20_calculate_dlg_params(dc, context, pipes, pipe_cnt, vlevel); + DC_FP_END(); + + if (!pstate_en) + /* Restore full p-state latency */ + context->bw_ctx.dml.soc.dram_clock_change_latency_us = + dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.pstate_latency_us; + + if (context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching) + dcn30_setup_mclk_switch_using_fw_based_vblank_stretch(dc, context); +} + +void dcn30_fpu_update_dram_channel_width_bytes(struct dc *dc) +{ + dc_assert_fp_enabled(); + + if (dc->ctx->dc_bios->vram_info.dram_channel_width_bytes) + dcn3_0_soc.dram_channel_width_bytes = dc->ctx->dc_bios->vram_info.dram_channel_width_bytes; +} + +void dcn30_fpu_update_max_clk(struct dc_bounding_box_max_clk *dcn30_bb_max_clk) +{ + dc_assert_fp_enabled(); + + if (!dcn30_bb_max_clk->max_dcfclk_mhz) + dcn30_bb_max_clk->max_dcfclk_mhz = dcn3_0_soc.clock_limits[0].dcfclk_mhz; + if (!dcn30_bb_max_clk->max_dispclk_mhz) + dcn30_bb_max_clk->max_dispclk_mhz = dcn3_0_soc.clock_limits[0].dispclk_mhz; + if (!dcn30_bb_max_clk->max_dppclk_mhz) + dcn30_bb_max_clk->max_dppclk_mhz = dcn3_0_soc.clock_limits[0].dppclk_mhz; + if (!dcn30_bb_max_clk->max_phyclk_mhz) + dcn30_bb_max_clk->max_phyclk_mhz = dcn3_0_soc.clock_limits[0].phyclk_mhz; +} + +void dcn30_fpu_get_optimal_dcfclk_fclk_for_uclk(unsigned int uclk_mts, + unsigned int *optimal_dcfclk, + unsigned int *optimal_fclk) +{ + double bw_from_dram, bw_from_dram1, bw_from_dram2; + + dc_assert_fp_enabled(); + + bw_from_dram1 = uclk_mts * dcn3_0_soc.num_chans * + dcn3_0_soc.dram_channel_width_bytes * (dcn3_0_soc.max_avg_dram_bw_use_normal_percent / 100); + bw_from_dram2 = uclk_mts * dcn3_0_soc.num_chans * + dcn3_0_soc.dram_channel_width_bytes * (dcn3_0_soc.max_avg_sdp_bw_use_normal_percent / 100); + + bw_from_dram = (bw_from_dram1 < bw_from_dram2) ? bw_from_dram1 : bw_from_dram2; + + if (optimal_fclk) + *optimal_fclk = bw_from_dram / + (dcn3_0_soc.fabric_datapath_to_dcn_data_return_bytes * (dcn3_0_soc.max_avg_sdp_bw_use_normal_percent / 100)); + + if (optimal_dcfclk) + *optimal_dcfclk = bw_from_dram / + (dcn3_0_soc.return_bus_width_bytes * (dcn3_0_soc.max_avg_sdp_bw_use_normal_percent / 100)); +} + +void dcn30_fpu_update_bw_bounding_box(struct dc *dc, + struct clk_bw_params *bw_params, + struct dc_bounding_box_max_clk *dcn30_bb_max_clk, + unsigned int *dcfclk_mhz, + unsigned int *dram_speed_mts) +{ + unsigned int i; + + dc_assert_fp_enabled(); + + dcn3_0_soc.dispclk_dppclk_vco_speed_mhz = dc->clk_mgr->dentist_vco_freq_khz / 1000.0; + dc->dml.soc.dispclk_dppclk_vco_speed_mhz = dc->clk_mgr->dentist_vco_freq_khz / 1000.0; + + for (i = 0; i < dcn3_0_soc.num_states; i++) { + dcn3_0_soc.clock_limits[i].state = i; + dcn3_0_soc.clock_limits[i].dcfclk_mhz = dcfclk_mhz[i]; + dcn3_0_soc.clock_limits[i].fabricclk_mhz = dcfclk_mhz[i]; + dcn3_0_soc.clock_limits[i].dram_speed_mts = dram_speed_mts[i]; + + /* Fill all states with max values of all other clocks */ + dcn3_0_soc.clock_limits[i].dispclk_mhz = dcn30_bb_max_clk->max_dispclk_mhz; + dcn3_0_soc.clock_limits[i].dppclk_mhz = dcn30_bb_max_clk->max_dppclk_mhz; + dcn3_0_soc.clock_limits[i].phyclk_mhz = dcn30_bb_max_clk->max_phyclk_mhz; + dcn3_0_soc.clock_limits[i].dtbclk_mhz = dcn3_0_soc.clock_limits[0].dtbclk_mhz; + /* These clocks cannot come from bw_params, always fill from dcn3_0_soc[1] */ + /* FCLK, PHYCLK_D18, SOCCLK, DSCCLK */ + dcn3_0_soc.clock_limits[i].phyclk_d18_mhz = dcn3_0_soc.clock_limits[0].phyclk_d18_mhz; + dcn3_0_soc.clock_limits[i].socclk_mhz = dcn3_0_soc.clock_limits[0].socclk_mhz; + dcn3_0_soc.clock_limits[i].dscclk_mhz = dcn3_0_soc.clock_limits[0].dscclk_mhz; + } + /* re-init DML with updated bb */ + dml_init_instance(&dc->dml, &dcn3_0_soc, &dcn3_0_ip, DML_PROJECT_DCN30); + if (dc->current_state) + dml_init_instance(&dc->current_state->bw_ctx.dml, &dcn3_0_soc, &dcn3_0_ip, DML_PROJECT_DCN30); + +} + +/** + * Finds dummy_latency_index when MCLK switching using firmware based + * vblank stretch is enabled. This function will iterate through the + * table of dummy pstate latencies until the lowest value that allows + * dm_allow_self_refresh_and_mclk_switch to happen is found + */ +int dcn30_find_dummy_latency_index_for_fw_based_mclk_switch(struct dc *dc, + struct dc_state *context, + display_e2e_pipe_params_st *pipes, + int pipe_cnt, + int vlevel) +{ + const int max_latency_table_entries = 4; + int dummy_latency_index = 0; + + dc_assert_fp_enabled(); + + while (dummy_latency_index < max_latency_table_entries) { + context->bw_ctx.dml.soc.dram_clock_change_latency_us = + dc->clk_mgr->bw_params->dummy_pstate_table[dummy_latency_index].dummy_pstate_latency_us; + dcn30_internal_validate_bw(dc, context, pipes, &pipe_cnt, &vlevel, false); + + if (context->bw_ctx.dml.soc.allow_dram_self_refresh_or_dram_clock_change_in_vblank == + dm_allow_self_refresh_and_mclk_switch) + break; + + dummy_latency_index++; + } + + if (dummy_latency_index == max_latency_table_entries) { + ASSERT(dummy_latency_index != max_latency_table_entries); + /* If the execution gets here, it means dummy p_states are + * not possible. This should never happen and would mean + * something is severely wrong. + * Here we reset dummy_latency_index to 3, because it is + * better to have underflows than system crashes. + */ + dummy_latency_index = 3; + } + + return dummy_latency_index; +} + +void dcn3_fpu_build_wm_range_table(struct clk_mgr *base) +{ + /* defaults */ + double pstate_latency_us = base->ctx->dc->dml.soc.dram_clock_change_latency_us; + double sr_exit_time_us = base->ctx->dc->dml.soc.sr_exit_time_us; + double sr_enter_plus_exit_time_us = base->ctx->dc->dml.soc.sr_enter_plus_exit_time_us; + uint16_t min_uclk_mhz = base->bw_params->clk_table.entries[0].memclk_mhz; + + dc_assert_fp_enabled(); + + /* Set A - Normal - default values*/ + base->bw_params->wm_table.nv_entries[WM_A].valid = true; + base->bw_params->wm_table.nv_entries[WM_A].dml_input.pstate_latency_us = pstate_latency_us; + base->bw_params->wm_table.nv_entries[WM_A].dml_input.sr_exit_time_us = sr_exit_time_us; + base->bw_params->wm_table.nv_entries[WM_A].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us; + base->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.wm_type = WATERMARKS_CLOCK_RANGE; + base->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.min_dcfclk = 0; + base->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.max_dcfclk = 0xFFFF; + base->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.min_uclk = min_uclk_mhz; + base->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.max_uclk = 0xFFFF; + + /* Set B - Performance - higher minimum clocks */ +// base->bw_params->wm_table.nv_entries[WM_B].valid = true; +// base->bw_params->wm_table.nv_entries[WM_B].dml_input.pstate_latency_us = pstate_latency_us; +// base->bw_params->wm_table.nv_entries[WM_B].dml_input.sr_exit_time_us = sr_exit_time_us; +// base->bw_params->wm_table.nv_entries[WM_B].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us; +// base->bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.wm_type = WATERMARKS_CLOCK_RANGE; +// base->bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.min_dcfclk = TUNED VALUE; +// base->bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.max_dcfclk = 0xFFFF; +// base->bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.min_uclk = TUNED VALUE; +// base->bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.max_uclk = 0xFFFF; + + /* Set C - Dummy P-State - P-State latency set to "dummy p-state" value */ + base->bw_params->wm_table.nv_entries[WM_C].valid = true; + base->bw_params->wm_table.nv_entries[WM_C].dml_input.pstate_latency_us = 0; + base->bw_params->wm_table.nv_entries[WM_C].dml_input.sr_exit_time_us = sr_exit_time_us; + base->bw_params->wm_table.nv_entries[WM_C].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us; + base->bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.wm_type = WATERMARKS_DUMMY_PSTATE; + base->bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.min_dcfclk = 0; + base->bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.max_dcfclk = 0xFFFF; + base->bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.min_uclk = min_uclk_mhz; + base->bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.max_uclk = 0xFFFF; + base->bw_params->dummy_pstate_table[0].dram_speed_mts = 1600; + base->bw_params->dummy_pstate_table[0].dummy_pstate_latency_us = 38; + base->bw_params->dummy_pstate_table[1].dram_speed_mts = 8000; + base->bw_params->dummy_pstate_table[1].dummy_pstate_latency_us = 9; + base->bw_params->dummy_pstate_table[2].dram_speed_mts = 10000; + base->bw_params->dummy_pstate_table[2].dummy_pstate_latency_us = 8; + base->bw_params->dummy_pstate_table[3].dram_speed_mts = 16000; + base->bw_params->dummy_pstate_table[3].dummy_pstate_latency_us = 5; + + /* Set D - MALL - SR enter and exit times adjusted for MALL */ + base->bw_params->wm_table.nv_entries[WM_D].valid = true; + base->bw_params->wm_table.nv_entries[WM_D].dml_input.pstate_latency_us = pstate_latency_us; + base->bw_params->wm_table.nv_entries[WM_D].dml_input.sr_exit_time_us = 2; + base->bw_params->wm_table.nv_entries[WM_D].dml_input.sr_enter_plus_exit_time_us = 4; + base->bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.wm_type = WATERMARKS_MALL; + base->bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.min_dcfclk = 0; + base->bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.max_dcfclk = 0xFFFF; + base->bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.min_uclk = min_uclk_mhz; + base->bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.max_uclk = 0xFFFF; +} + +void patch_dcn30_soc_bounding_box(struct dc *dc, struct _vcs_dpi_soc_bounding_box_st *dcn3_0_ip) +{ + dc_assert_fp_enabled(); + + if (dc->ctx->dc_bios->funcs->get_soc_bb_info) { + struct bp_soc_bb_info bb_info = {0}; + + if (dc->ctx->dc_bios->funcs->get_soc_bb_info(dc->ctx->dc_bios, &bb_info) == BP_RESULT_OK) { + if (bb_info.dram_clock_change_latency_100ns > 0) + dcn3_0_soc.dram_clock_change_latency_us = bb_info.dram_clock_change_latency_100ns * 10; + + if (bb_info.dram_sr_enter_exit_latency_100ns > 0) + dcn3_0_soc.sr_enter_plus_exit_time_us = bb_info.dram_sr_enter_exit_latency_100ns * 10; + + if (bb_info.dram_sr_exit_latency_100ns > 0) + dcn3_0_soc.sr_exit_time_us = bb_info.dram_sr_exit_latency_100ns * 10; + } + } +} |