diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c | 188 |
1 files changed, 10 insertions, 178 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c index c5ba411d12ba..d52192ab9421 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c @@ -115,137 +115,6 @@ static const struct IP_BASE DCN_BASE = { { { { 0x00000012, 0x000000C0, 0x000034C #define DC_LOGGER_INIT(logger) -#define DCN3_2_DEFAULT_DET_SIZE 256 -#define DCN3_2_MAX_DET_SIZE 1152 -#define DCN3_2_MIN_DET_SIZE 128 -#define DCN3_2_MIN_COMPBUF_SIZE_KB 128 - -struct _vcs_dpi_ip_params_st dcn3_2_ip = { - .gpuvm_enable = 0, - .gpuvm_max_page_table_levels = 4, - .hostvm_enable = 0, - .rob_buffer_size_kbytes = 128, - .det_buffer_size_kbytes = DCN3_2_DEFAULT_DET_SIZE, - .config_return_buffer_size_in_kbytes = 1280, - .compressed_buffer_segment_size_in_kbytes = 64, - .meta_fifo_size_in_kentries = 22, - .zero_size_buffer_entries = 512, - .compbuf_reserved_space_64b = 256, - .compbuf_reserved_space_zs = 64, - .dpp_output_buffer_pixels = 2560, - .opp_output_buffer_lines = 1, - .pixel_chunk_size_kbytes = 8, - .alpha_pixel_chunk_size_kbytes = 4, // not appearing in spreadsheet, match c code from hw team - .min_pixel_chunk_size_bytes = 1024, - .dcc_meta_buffer_size_bytes = 6272, - .meta_chunk_size_kbytes = 2, - .min_meta_chunk_size_bytes = 256, - .writeback_chunk_size_kbytes = 8, - .ptoi_supported = false, - .num_dsc = 4, - .maximum_dsc_bits_per_component = 12, - .maximum_pixels_per_line_per_dsc_unit = 6016, - .dsc422_native_support = true, - .is_line_buffer_bpp_fixed = true, - .line_buffer_fixed_bpp = 57, - .line_buffer_size_bits = 1171920, //DPP doc, DCN3_2_DisplayMode_73.xlsm still shows as 986880 bits with 48 bpp - .max_line_buffer_lines = 32, - .writeback_interface_buffer_size_kbytes = 90, - .max_num_dpp = 4, - .max_num_otg = 4, - .max_num_hdmi_frl_outputs = 1, - .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, - .max_hscl_taps = 8, - .max_vscl_taps = 8, - .dpte_buffer_size_in_pte_reqs_luma = 64, - .dpte_buffer_size_in_pte_reqs_chroma = 34, - .dispclk_ramp_margin_percent = 1, - .max_inter_dcn_tile_repeaters = 8, - .cursor_buffer_size = 16, - .cursor_chunk_size = 2, - .writeback_line_buffer_buffer_size = 0, - .writeback_min_hscl_ratio = 1, - .writeback_min_vscl_ratio = 1, - .writeback_max_hscl_ratio = 1, - .writeback_max_vscl_ratio = 1, - .writeback_max_hscl_taps = 1, - .writeback_max_vscl_taps = 1, - .dppclk_delay_subtotal = 47, - .dppclk_delay_scl = 50, - .dppclk_delay_scl_lb_only = 16, - .dppclk_delay_cnvc_formatter = 28, - .dppclk_delay_cnvc_cursor = 6, - .dispclk_delay_subtotal = 125, - .dynamic_metadata_vm_enabled = false, - .odm_combine_4to1_supported = false, - .dcc_supported = true, - .max_num_dp2p0_outputs = 2, - .max_num_dp2p0_streams = 4, -}; - -struct _vcs_dpi_soc_bounding_box_st dcn3_2_soc = { - .clock_limits = { - { - .state = 0, - .dcfclk_mhz = 1564.0, - .fabricclk_mhz = 400.0, - .dispclk_mhz = 2150.0, - .dppclk_mhz = 2150.0, - .phyclk_mhz = 810.0, - .phyclk_d18_mhz = 667.0, - .phyclk_d32_mhz = 625.0, - .socclk_mhz = 1200.0, - .dscclk_mhz = 716.667, - .dram_speed_mts = 1600.0, - .dtbclk_mhz = 1564.0, - }, - }, - .num_states = 1, - .sr_exit_time_us = 5.20, - .sr_enter_plus_exit_time_us = 9.60, - .sr_exit_z8_time_us = 285.0, - .sr_enter_plus_exit_z8_time_us = 320, - .writeback_latency_us = 12.0, - .round_trip_ping_latency_dcfclk_cycles = 263, - .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, - .fclk_change_latency_us = 20, - .usr_retraining_latency_us = 2, - .smn_latency_us = 2, - .mall_allocated_for_dcn_mbytes = 64, - .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_sdp_bw_after_urgent = 100.0, - .pct_ideal_fabric_bw_after_urgent = 67.0, - .pct_ideal_dram_sdp_bw_after_urgent_pixel_only = 20.0, - .pct_ideal_dram_sdp_bw_after_urgent_pixel_and_vm = 60.0, // N/A, for now keep as is until DML implemented - .pct_ideal_dram_sdp_bw_after_urgent_vm_only = 30.0, // N/A, for now keep as is until DML implemented - .pct_ideal_dram_bw_after_urgent_strobe = 67.0, - .max_avg_sdp_bw_use_normal_percent = 80.0, - .max_avg_fabric_bw_use_normal_percent = 60.0, - .max_avg_dram_bw_use_normal_strobe_percent = 50.0, - .max_avg_dram_bw_use_normal_percent = 15.0, - .num_chans = 8, - .dram_channel_width_bytes = 2, - .fabric_datapath_to_dcn_data_return_bytes = 64, - .return_bus_width_bytes = 64, - .downspread_percent = 0.38, - .dcn_downspread_percent = 0.5, - .dram_clock_change_latency_us = 400, - .dispclk_dppclk_vco_speed_mhz = 4300.0, - .do_urgent_latency_adjustment = true, - .urgent_latency_adjustment_fabric_clock_component_us = 1.0, - .urgent_latency_adjustment_fabric_clock_reference_mhz = 1000, -}; - enum dcn32_clk_src_array_id { DCN32_CLK_SRC_PLL0, DCN32_CLK_SRC_PLL1, @@ -3454,53 +3323,6 @@ static void get_optimal_ntuple(struct _vcs_dpi_voltage_scaling_st *entry) } } -static float calculate_net_bw_in_kbytes_sec(struct _vcs_dpi_voltage_scaling_st *entry) -{ - float memory_bw_kbytes_sec = entry->dram_speed_mts * dcn3_2_soc.num_chans * - dcn3_2_soc.dram_channel_width_bytes * ((float)dcn3_2_soc.pct_ideal_dram_sdp_bw_after_urgent_pixel_only / 100); - - float fabric_bw_kbytes_sec = entry->fabricclk_mhz * dcn3_2_soc.return_bus_width_bytes * ((float)dcn3_2_soc.pct_ideal_fabric_bw_after_urgent / 100); - - float sdp_bw_kbytes_sec = entry->dcfclk_mhz * dcn3_2_soc.return_bus_width_bytes * ((float)dcn3_2_soc.pct_ideal_sdp_bw_after_urgent / 100); - - float limiting_bw_kbytes_sec = memory_bw_kbytes_sec; - - if (fabric_bw_kbytes_sec < limiting_bw_kbytes_sec) - limiting_bw_kbytes_sec = fabric_bw_kbytes_sec; - - if (sdp_bw_kbytes_sec < limiting_bw_kbytes_sec) - limiting_bw_kbytes_sec = sdp_bw_kbytes_sec; - - return limiting_bw_kbytes_sec; -} - -static void insert_entry_into_table_sorted(struct _vcs_dpi_voltage_scaling_st *table, unsigned int *num_entries, - struct _vcs_dpi_voltage_scaling_st *entry) -{ - int index = 0; - int i = 0; - float net_bw_of_new_state = 0; - - if (*num_entries == 0) { - table[0] = *entry; - (*num_entries)++; - } else { - net_bw_of_new_state = calculate_net_bw_in_kbytes_sec(entry); - while (net_bw_of_new_state > calculate_net_bw_in_kbytes_sec(&table[index])) { - index++; - if (index >= *num_entries) - break; - } - - for (i = *num_entries; i > index; i--) { - table[i] = table[i - 1]; - } - - table[index] = *entry; - (*num_entries)++; - } -} - static void remove_entry_from_table_at_index(struct _vcs_dpi_voltage_scaling_st *table, unsigned int *num_entries, unsigned int index) { @@ -3585,7 +3407,9 @@ static int build_synthetic_soc_states(struct clk_bw_params *bw_params, entry.dram_speed_mts = 0; get_optimal_ntuple(&entry); + DC_FP_START(); insert_entry_into_table_sorted(table, num_entries, &entry); + DC_FP_END(); } // Insert the max DCFCLK @@ -3594,7 +3418,9 @@ static int build_synthetic_soc_states(struct clk_bw_params *bw_params, entry.dram_speed_mts = 0; get_optimal_ntuple(&entry); + DC_FP_START(); insert_entry_into_table_sorted(table, num_entries, &entry); + DC_FP_END(); // Insert the UCLK DPMS for (i = 0; i < num_uclk_dpms; i++) { @@ -3603,7 +3429,9 @@ static int build_synthetic_soc_states(struct clk_bw_params *bw_params, entry.dram_speed_mts = bw_params->clk_table.entries[i].memclk_mhz * 16; get_optimal_ntuple(&entry); + DC_FP_START(); insert_entry_into_table_sorted(table, num_entries, &entry); + DC_FP_END(); } // If FCLK is coarse grained, insert individual DPMs. @@ -3614,7 +3442,9 @@ static int build_synthetic_soc_states(struct clk_bw_params *bw_params, entry.dram_speed_mts = 0; get_optimal_ntuple(&entry); + DC_FP_START(); insert_entry_into_table_sorted(table, num_entries, &entry); + DC_FP_END(); } } // If FCLK fine grained, only insert max @@ -3624,7 +3454,9 @@ static int build_synthetic_soc_states(struct clk_bw_params *bw_params, entry.dram_speed_mts = 0; get_optimal_ntuple(&entry); + DC_FP_START(); insert_entry_into_table_sorted(table, num_entries, &entry); + DC_FP_END(); } // At this point, the table contains all "points of interest" based on |