| /* |
| * Copyright 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 "dcn20/dcn20_resource.h" |
| #include "dcn302/dcn302_resource.h" |
| |
| #include "dml/dcn20/dcn20_fpu.h" |
| #include "dcn302_fpu.h" |
| |
| struct _vcs_dpi_ip_params_st dcn3_02_ip = { |
| .use_min_dcfclk = 0, |
| .clamp_min_dcfclk = 0, |
| .odm_capable = 1, |
| .gpuvm_enable = 1, |
| .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 = 5, |
| .rob_buffer_size_kbytes = 184, |
| .det_buffer_size_kbytes = 184, |
| .dpte_buffer_size_in_pte_reqs_luma = 64, |
| .dpte_buffer_size_in_pte_reqs_chroma = 34, |
| .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 = 5, |
| .max_num_dpp = 5, |
| .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_02_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 = 26.5, |
| .sr_enter_plus_exit_time_us = 31, |
| .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 = 156, |
| .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, |
| }; |
| |
| static void dcn302_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; |
| |
| bw_from_dram1 = uclk_mts * dcn3_02_soc.num_chans * |
| dcn3_02_soc.dram_channel_width_bytes * |
| (dcn3_02_soc.max_avg_dram_bw_use_normal_percent / 100); |
| bw_from_dram2 = uclk_mts * dcn3_02_soc.num_chans * |
| dcn3_02_soc.dram_channel_width_bytes * |
| (dcn3_02_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_02_soc.fabric_datapath_to_dcn_data_return_bytes * |
| (dcn3_02_soc.max_avg_sdp_bw_use_normal_percent / 100)); |
| |
| if (optimal_dcfclk) |
| *optimal_dcfclk = bw_from_dram / |
| (dcn3_02_soc.return_bus_width_bytes * |
| (dcn3_02_soc.max_avg_sdp_bw_use_normal_percent / 100)); |
| } |
| |
| void dcn302_fpu_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_params) |
| { |
| unsigned int i, j; |
| unsigned int num_states = 0; |
| |
| unsigned int dcfclk_mhz[DC__VOLTAGE_STATES] = {0}; |
| unsigned int dram_speed_mts[DC__VOLTAGE_STATES] = {0}; |
| unsigned int optimal_uclk_for_dcfclk_sta_targets[DC__VOLTAGE_STATES] = {0}; |
| unsigned int optimal_dcfclk_for_uclk[DC__VOLTAGE_STATES] = {0}; |
| |
| unsigned int dcfclk_sta_targets[DC__VOLTAGE_STATES] = {694, 875, 1000, 1200}; |
| unsigned int num_dcfclk_sta_targets = 4; |
| unsigned int num_uclk_states; |
| |
| dc_assert_fp_enabled(); |
| |
| if (dc->ctx->dc_bios->vram_info.num_chans) |
| dcn3_02_soc.num_chans = dc->ctx->dc_bios->vram_info.num_chans; |
| |
| if (dc->ctx->dc_bios->vram_info.dram_channel_width_bytes) |
| dcn3_02_soc.dram_channel_width_bytes = dc->ctx->dc_bios->vram_info.dram_channel_width_bytes; |
| |
| dcn3_02_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; |
| |
| if (bw_params->clk_table.entries[0].memclk_mhz) { |
| int max_dcfclk_mhz = 0, max_dispclk_mhz = 0, max_dppclk_mhz = 0, max_phyclk_mhz = 0; |
| |
| for (i = 0; i < MAX_NUM_DPM_LVL; i++) { |
| if (bw_params->clk_table.entries[i].dcfclk_mhz > max_dcfclk_mhz) |
| max_dcfclk_mhz = bw_params->clk_table.entries[i].dcfclk_mhz; |
| if (bw_params->clk_table.entries[i].dispclk_mhz > max_dispclk_mhz) |
| max_dispclk_mhz = bw_params->clk_table.entries[i].dispclk_mhz; |
| if (bw_params->clk_table.entries[i].dppclk_mhz > max_dppclk_mhz) |
| max_dppclk_mhz = bw_params->clk_table.entries[i].dppclk_mhz; |
| if (bw_params->clk_table.entries[i].phyclk_mhz > max_phyclk_mhz) |
| max_phyclk_mhz = bw_params->clk_table.entries[i].phyclk_mhz; |
| } |
| if (!max_dcfclk_mhz) |
| max_dcfclk_mhz = dcn3_02_soc.clock_limits[0].dcfclk_mhz; |
| if (!max_dispclk_mhz) |
| max_dispclk_mhz = dcn3_02_soc.clock_limits[0].dispclk_mhz; |
| if (!max_dppclk_mhz) |
| max_dppclk_mhz = dcn3_02_soc.clock_limits[0].dppclk_mhz; |
| if (!max_phyclk_mhz) |
| max_phyclk_mhz = dcn3_02_soc.clock_limits[0].phyclk_mhz; |
| |
| if (max_dcfclk_mhz > dcfclk_sta_targets[num_dcfclk_sta_targets-1]) { |
| /* If max DCFCLK is greater than the max DCFCLK STA target, insert into the DCFCLK STA target array */ |
| dcfclk_sta_targets[num_dcfclk_sta_targets] = max_dcfclk_mhz; |
| num_dcfclk_sta_targets++; |
| } else if (max_dcfclk_mhz < dcfclk_sta_targets[num_dcfclk_sta_targets-1]) { |
| /* If max DCFCLK is less than the max DCFCLK STA target, cap values and remove duplicates */ |
| for (i = 0; i < num_dcfclk_sta_targets; i++) { |
| if (dcfclk_sta_targets[i] > max_dcfclk_mhz) { |
| dcfclk_sta_targets[i] = max_dcfclk_mhz; |
| break; |
| } |
| } |
| /* Update size of array since we "removed" duplicates */ |
| num_dcfclk_sta_targets = i + 1; |
| } |
| |
| num_uclk_states = bw_params->clk_table.num_entries; |
| |
| /* Calculate optimal dcfclk for each uclk */ |
| for (i = 0; i < num_uclk_states; i++) { |
| dcn302_get_optimal_dcfclk_fclk_for_uclk(bw_params->clk_table.entries[i].memclk_mhz * 16, |
| &optimal_dcfclk_for_uclk[i], NULL); |
| if (optimal_dcfclk_for_uclk[i] < bw_params->clk_table.entries[0].dcfclk_mhz) |
| optimal_dcfclk_for_uclk[i] = bw_params->clk_table.entries[0].dcfclk_mhz; |
| } |
| |
| /* Calculate optimal uclk for each dcfclk sta target */ |
| for (i = 0; i < num_dcfclk_sta_targets; i++) { |
| for (j = 0; j < num_uclk_states; j++) { |
| if (dcfclk_sta_targets[i] < optimal_dcfclk_for_uclk[j]) { |
| optimal_uclk_for_dcfclk_sta_targets[i] = |
| bw_params->clk_table.entries[j].memclk_mhz * 16; |
| break; |
| } |
| } |
| } |
| |
| i = 0; |
| j = 0; |
| /* create the final dcfclk and uclk table */ |
| while (i < num_dcfclk_sta_targets && j < num_uclk_states && num_states < DC__VOLTAGE_STATES) { |
| if (dcfclk_sta_targets[i] < optimal_dcfclk_for_uclk[j] && i < num_dcfclk_sta_targets) { |
| dcfclk_mhz[num_states] = dcfclk_sta_targets[i]; |
| dram_speed_mts[num_states++] = optimal_uclk_for_dcfclk_sta_targets[i++]; |
| } else { |
| if (j < num_uclk_states && optimal_dcfclk_for_uclk[j] <= max_dcfclk_mhz) { |
| dcfclk_mhz[num_states] = optimal_dcfclk_for_uclk[j]; |
| dram_speed_mts[num_states++] = bw_params->clk_table.entries[j++].memclk_mhz * 16; |
| } else { |
| j = num_uclk_states; |
| } |
| } |
| } |
| |
| while (i < num_dcfclk_sta_targets && num_states < DC__VOLTAGE_STATES) { |
| dcfclk_mhz[num_states] = dcfclk_sta_targets[i]; |
| dram_speed_mts[num_states++] = optimal_uclk_for_dcfclk_sta_targets[i++]; |
| } |
| |
| while (j < num_uclk_states && num_states < DC__VOLTAGE_STATES && |
| optimal_dcfclk_for_uclk[j] <= max_dcfclk_mhz) { |
| dcfclk_mhz[num_states] = optimal_dcfclk_for_uclk[j]; |
| dram_speed_mts[num_states++] = bw_params->clk_table.entries[j++].memclk_mhz * 16; |
| } |
| |
| /* bw_params->clk_table.entries[MAX_NUM_DPM_LVL]. |
| * MAX_NUM_DPM_LVL is 8. |
| * dcn3_02_soc.clock_limits[DC__VOLTAGE_STATES]. |
| * DC__VOLTAGE_STATES is 40. |
| */ |
| if (num_states > MAX_NUM_DPM_LVL) { |
| ASSERT(0); |
| return; |
| } |
| |
| dcn3_02_soc.num_states = num_states; |
| for (i = 0; i < dcn3_02_soc.num_states; i++) { |
| dcn3_02_soc.clock_limits[i].state = i; |
| dcn3_02_soc.clock_limits[i].dcfclk_mhz = dcfclk_mhz[i]; |
| dcn3_02_soc.clock_limits[i].fabricclk_mhz = dcfclk_mhz[i]; |
| dcn3_02_soc.clock_limits[i].dram_speed_mts = dram_speed_mts[i]; |
| |
| /* Fill all states with max values of all other clocks */ |
| dcn3_02_soc.clock_limits[i].dispclk_mhz = max_dispclk_mhz; |
| dcn3_02_soc.clock_limits[i].dppclk_mhz = max_dppclk_mhz; |
| dcn3_02_soc.clock_limits[i].phyclk_mhz = max_phyclk_mhz; |
| /* Populate from bw_params for DTBCLK, SOCCLK */ |
| if (!bw_params->clk_table.entries[i].dtbclk_mhz && i > 0) |
| dcn3_02_soc.clock_limits[i].dtbclk_mhz = dcn3_02_soc.clock_limits[i-1].dtbclk_mhz; |
| else |
| dcn3_02_soc.clock_limits[i].dtbclk_mhz = bw_params->clk_table.entries[i].dtbclk_mhz; |
| if (!bw_params->clk_table.entries[i].socclk_mhz && i > 0) |
| dcn3_02_soc.clock_limits[i].socclk_mhz = dcn3_02_soc.clock_limits[i-1].socclk_mhz; |
| else |
| dcn3_02_soc.clock_limits[i].socclk_mhz = bw_params->clk_table.entries[i].socclk_mhz; |
| /* These clocks cannot come from bw_params, always fill from dcn3_02_soc[1] */ |
| /* FCLK, PHYCLK_D18, DSCCLK */ |
| dcn3_02_soc.clock_limits[i].phyclk_d18_mhz = dcn3_02_soc.clock_limits[0].phyclk_d18_mhz; |
| dcn3_02_soc.clock_limits[i].dscclk_mhz = dcn3_02_soc.clock_limits[0].dscclk_mhz; |
| } |
| /* re-init DML with updated bb */ |
| dml_init_instance(&dc->dml, &dcn3_02_soc, &dcn3_02_ip, DML_PROJECT_DCN30); |
| if (dc->current_state) |
| dml_init_instance(&dc->current_state->bw_ctx.dml, &dcn3_02_soc, &dcn3_02_ip, DML_PROJECT_DCN30); |
| } |
| } |
| |
| void dcn302_fpu_init_soc_bounding_box(struct bp_soc_bb_info bb_info) |
| { |
| |
| dc_assert_fp_enabled(); |
| |
| if (bb_info.dram_clock_change_latency_100ns > 0) |
| dcn3_02_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_02_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_02_soc.sr_exit_time_us = |
| bb_info.dram_sr_exit_latency_100ns * 10; |
| } |
| |
| |