diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c | 509 |
1 files changed, 509 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c new file mode 100644 index 000000000000..a5fe523668e9 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c @@ -0,0 +1,509 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright 2023 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 "dcn35_fpu.h" +#include "dcn31/dcn31_resource.h" +#include "dcn32/dcn32_resource.h" +#include "dcn35/dcn35_resource.h" +#include "dml/dcn31/dcn31_fpu.h" +#include "dml/dml_inline_defs.h" + +#include "link.h" + +#define DC_LOGGER_INIT(logger) + +struct _vcs_dpi_ip_params_st dcn3_5_ip = { + .VBlankNomDefaultUS = 668, + .gpuvm_enable = 1, + .gpuvm_max_page_table_levels = 1, + .hostvm_enable = 1, + .hostvm_max_page_table_levels = 2, + .rob_buffer_size_kbytes = 64, + .det_buffer_size_kbytes = 1536, + .config_return_buffer_size_in_kbytes = 1792, + .compressed_buffer_segment_size_in_kbytes = 64, + .meta_fifo_size_in_kentries = 32, + .zero_size_buffer_entries = 512, + .compbuf_reserved_space_64b = 256, + .compbuf_reserved_space_zs = 64, + .dpp_output_buffer_pixels = 2560,/*not used*/ + .opp_output_buffer_lines = 1,/*not used*/ + .pixel_chunk_size_kbytes = 8, + //.alpha_pixel_chunk_size_kbytes = 4;/*new*/ + //.min_pixel_chunk_size_bytes = 1024;/*new*/ + .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,/*delta from 10*/ + .dsc422_native_support = true,/*delta from false*/ + .is_line_buffer_bpp_fixed = true,/*new*/ + .line_buffer_fixed_bpp = 32,/*delta from 48*/ + .line_buffer_size_bits = 986880,/*delta from 789504*/ + .max_line_buffer_lines = 32,/*delta from 12*/ + .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_num_hdmi_frl_outputs = 1; new in dml2*/ + /*.max_num_dp2p0_outputs = 2; new in dml2*/ + /*.max_num_dp2p0_streams = 4; new in dml2*/ + .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 = 68,/*changed from 64,*/ + .dpte_buffer_size_in_pte_reqs_chroma = 36,/*changed from 34*/ + /*.dcc_meta_buffer_size_bytes = 6272; new to dml2*/ + .dispclk_ramp_margin_percent = 1.11,/*delta from 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;*/ /*new to dml2*/ + .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, /* changed from 46,*/ + .dppclk_delay_scl = 50, + .dppclk_delay_scl_lb_only = 16, + .dppclk_delay_cnvc_formatter = 28,/*changed from 27,*/ + .dppclk_delay_cnvc_cursor = 6, + .dispclk_delay_subtotal = 125, /*changed from 119,*/ + .dynamic_metadata_vm_enabled = false, + .odm_combine_4to1_supported = false, + .dcc_supported = true, +// .config_return_buffer_segment_size_in_kbytes = 64;/*required, hard coded in dml2_translate_ip_params*/ + +}; + +struct _vcs_dpi_soc_bounding_box_st dcn3_5_soc = { + /*TODO: correct dispclk/dppclk voltage level determination*/ + .clock_limits = { + { + .state = 0, + .dispclk_mhz = 1200.0, + .dppclk_mhz = 1200.0, + .phyclk_mhz = 600.0, + .phyclk_d18_mhz = 667.0, + .dscclk_mhz = 186.0, + .dtbclk_mhz = 625.0, + }, + { + .state = 1, + .dispclk_mhz = 1200.0, + .dppclk_mhz = 1200.0, + .phyclk_mhz = 810.0, + .phyclk_d18_mhz = 667.0, + .dscclk_mhz = 209.0, + .dtbclk_mhz = 625.0, + }, + { + .state = 2, + .dispclk_mhz = 1200.0, + .dppclk_mhz = 1200.0, + .phyclk_mhz = 810.0, + .phyclk_d18_mhz = 667.0, + .dscclk_mhz = 209.0, + .dtbclk_mhz = 625.0, + }, + { + .state = 3, + .dispclk_mhz = 1200.0, + .dppclk_mhz = 1200.0, + .phyclk_mhz = 810.0, + .phyclk_d18_mhz = 667.0, + .dscclk_mhz = 371.0, + .dtbclk_mhz = 625.0, + }, + { + .state = 4, + .dispclk_mhz = 1200.0, + .dppclk_mhz = 1200.0, + .phyclk_mhz = 810.0, + .phyclk_d18_mhz = 667.0, + .dscclk_mhz = 417.0, + .dtbclk_mhz = 625.0, + }, + }, + .num_states = 5, + .sr_exit_time_us = 9.0, + .sr_enter_plus_exit_time_us = 11.0, + .sr_exit_z8_time_us = 50.0, /*changed from 442.0*/ + .sr_enter_plus_exit_z8_time_us = 50.0,/*changed from 560.0*/ + .fclk_change_latency_us = 20.0, + .usr_retraining_latency_us = 2, + .writeback_latency_us = 12.0, + + .dram_channel_width_bytes = 4,/*not exist in dml2*/ + .round_trip_ping_latency_dcfclk_cycles = 106,/*not exist in dml2*/ + .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, + .dram_clock_change_latency_us = 11.72, + .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 = 80.0, + .pct_ideal_fabric_bw_after_urgent = 80.0, /*new to dml2*/ + .pct_ideal_dram_sdp_bw_after_urgent_pixel_only = 65.0, + .pct_ideal_dram_sdp_bw_after_urgent_pixel_and_vm = 60.0, + .pct_ideal_dram_sdp_bw_after_urgent_vm_only = 30.0, + .max_avg_sdp_bw_use_normal_percent = 60.0, + .max_avg_dram_bw_use_normal_percent = 60.0, + .fabric_datapath_to_dcn_data_return_bytes = 32, + .return_bus_width_bytes = 64, + .downspread_percent = 0.38, + .dcn_downspread_percent = 0.5, + .gpuvm_min_page_size_bytes = 4096, + .hostvm_min_page_size_bytes = 4096, + .do_urgent_latency_adjustment = 0, + .urgent_latency_adjustment_fabric_clock_component_us = 0, + .urgent_latency_adjustment_fabric_clock_reference_mhz = 0, +}; + +void dcn35_build_wm_range_table_fpu(struct clk_mgr *clk_mgr) +{ + //TODO +} + + +/* + * dcn35_update_bw_bounding_box + * + * This would override some dcn3_5 ip_or_soc initial parameters hardcoded from + * spreadsheet with actual values as per dGPU SKU: + * - with passed few options from dc->config + * - with dentist_vco_frequency from Clk Mgr (currently hardcoded, but might + * need to get it from PM FW) + * - with passed latency values (passed in ns units) in dc-> bb override for + * debugging purposes + * - with passed latencies from VBIOS (in 100_ns units) if available for + * certain dGPU SKU + * - with number of DRAM channels from VBIOS (which differ for certain dGPU SKU + * of the same ASIC) + * - clocks levels with passed clk_table entries from Clk Mgr as reported by PM + * FW for different clocks (which might differ for certain dGPU SKU of the + * same ASIC) + */ +void dcn35_update_bw_bounding_box_fpu(struct dc *dc, + struct clk_bw_params *bw_params) +{ + unsigned int i, closest_clk_lvl; + int j; + struct clk_limit_table *clk_table = &bw_params->clk_table; + struct _vcs_dpi_voltage_scaling_st *clock_limits = + dc->scratch.update_bw_bounding_box.clock_limits; + int max_dispclk_mhz = 0, max_dppclk_mhz = 0; + + dc_assert_fp_enabled(); + + dcn3_5_ip.max_num_otg = + dc->res_pool->res_cap->num_timing_generator; + dcn3_5_ip.max_num_dpp = dc->res_pool->pipe_count; + dcn3_5_soc.num_chans = bw_params->num_channels; + + ASSERT(clk_table->num_entries); + + /* Prepass to find max clocks independent of voltage level. */ + for (i = 0; i < clk_table->num_entries; ++i) { + if (clk_table->entries[i].dispclk_mhz > max_dispclk_mhz) + max_dispclk_mhz = clk_table->entries[i].dispclk_mhz; + if (clk_table->entries[i].dppclk_mhz > max_dppclk_mhz) + max_dppclk_mhz = clk_table->entries[i].dppclk_mhz; + } + + for (i = 0; i < clk_table->num_entries; i++) { + /* loop backwards*/ + for (closest_clk_lvl = 0, j = dcn3_5_soc.num_states - 1; + j >= 0; j--) { + if (dcn3_5_soc.clock_limits[j].dcfclk_mhz <= + clk_table->entries[i].dcfclk_mhz) { + closest_clk_lvl = j; + break; + } + } + if (clk_table->num_entries == 1) { + /*smu gives one DPM level, let's take the highest one*/ + closest_clk_lvl = dcn3_5_soc.num_states - 1; + } + + clock_limits[i].state = i; + + /* Clocks dependent on voltage level. */ + clock_limits[i].dcfclk_mhz = clk_table->entries[i].dcfclk_mhz; + if (clk_table->num_entries == 1 && + clock_limits[i].dcfclk_mhz < + dcn3_5_soc.clock_limits[closest_clk_lvl].dcfclk_mhz) { + /*SMU fix not released yet*/ + clock_limits[i].dcfclk_mhz = + dcn3_5_soc.clock_limits[closest_clk_lvl].dcfclk_mhz; + } + + clock_limits[i].fabricclk_mhz = + clk_table->entries[i].fclk_mhz; + clock_limits[i].socclk_mhz = + clk_table->entries[i].socclk_mhz; + + if (clk_table->entries[i].memclk_mhz && + clk_table->entries[i].wck_ratio) + clock_limits[i].dram_speed_mts = + clk_table->entries[i].memclk_mhz * 2 * + clk_table->entries[i].wck_ratio; + + /* Clocks independent of voltage level. */ + clock_limits[i].dispclk_mhz = max_dispclk_mhz ? + max_dispclk_mhz : + dcn3_5_soc.clock_limits[closest_clk_lvl].dispclk_mhz; + + clock_limits[i].dppclk_mhz = max_dppclk_mhz ? + max_dppclk_mhz : + dcn3_5_soc.clock_limits[closest_clk_lvl].dppclk_mhz; + + clock_limits[i].dram_bw_per_chan_gbps = + dcn3_5_soc.clock_limits[closest_clk_lvl].dram_bw_per_chan_gbps; + clock_limits[i].dscclk_mhz = + dcn3_5_soc.clock_limits[closest_clk_lvl].dscclk_mhz; + clock_limits[i].dtbclk_mhz = + dcn3_5_soc.clock_limits[closest_clk_lvl].dtbclk_mhz; + clock_limits[i].phyclk_d18_mhz = + dcn3_5_soc.clock_limits[closest_clk_lvl].phyclk_d18_mhz; + clock_limits[i].phyclk_mhz = + dcn3_5_soc.clock_limits[closest_clk_lvl].phyclk_mhz; + } + + memcpy(dcn3_5_soc.clock_limits, clock_limits, + sizeof(dcn3_5_soc.clock_limits)); + + if (clk_table->num_entries) + dcn3_5_soc.num_states = clk_table->num_entries; + + if (max_dispclk_mhz) { + dcn3_5_soc.dispclk_dppclk_vco_speed_mhz = max_dispclk_mhz * 2; + dc->dml.soc.dispclk_dppclk_vco_speed_mhz = max_dispclk_mhz * 2; + } + if ((int)(dcn3_5_soc.dram_clock_change_latency_us * 1000) + != dc->debug.dram_clock_change_latency_ns + && dc->debug.dram_clock_change_latency_ns) { + dcn3_5_soc.dram_clock_change_latency_us = + dc->debug.dram_clock_change_latency_ns / 1000.0; + } + /*temp till dml2 fully work without dml1*/ + dml_init_instance(&dc->dml, &dcn3_5_soc, &dcn3_5_ip, + DML_PROJECT_DCN31); +} + +static bool is_dual_plane(enum surface_pixel_format format) +{ + return format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN || + format == SURFACE_PIXEL_FORMAT_GRPH_RGBE_ALPHA; +} + +/* + * micro_sec_to_vert_lines () - converts time to number of vertical lines for a given timing + * + * @param: num_us: number of microseconds + * @return: number of vertical lines. If exact number of vertical lines is not found then + * it will round up to next number of lines to guarantee num_us + */ +static unsigned int micro_sec_to_vert_lines(unsigned int num_us, struct dc_crtc_timing *timing) +{ + unsigned int num_lines = 0; + unsigned int lines_time_in_ns = 1000.0 * + (((float)timing->h_total * 1000.0) / + ((float)timing->pix_clk_100hz / 10.0)); + + num_lines = dml_ceil(1000.0 * num_us / lines_time_in_ns, 1.0); + + return num_lines; +} + +static unsigned int get_vertical_back_porch(struct dc_crtc_timing *timing) +{ + unsigned int v_active = 0, v_blank = 0, v_back_porch = 0; + + v_active = timing->v_border_top + timing->v_addressable + timing->v_border_bottom; + v_blank = timing->v_total - v_active; + v_back_porch = v_blank - timing->v_front_porch - timing->v_sync_width; + + return v_back_porch; +} + +int dcn35_populate_dml_pipes_from_context_fpu(struct dc *dc, + struct dc_state *context, + display_e2e_pipe_params_st *pipes, + bool fast_validate) +{ + int i, pipe_cnt; + struct resource_context *res_ctx = &context->res_ctx; + struct pipe_ctx *pipe; + bool upscaled = false; + const unsigned int max_allowed_vblank_nom = 1023; + + dcn31_populate_dml_pipes_from_context(dc, context, pipes, + fast_validate); + + for (i = 0, pipe_cnt = 0; i < dc->res_pool->pipe_count; i++) { + struct dc_crtc_timing *timing; + unsigned int num_lines = 0; + unsigned int v_back_porch = 0; + + if (!res_ctx->pipe_ctx[i].stream) + continue; + + pipe = &res_ctx->pipe_ctx[i]; + timing = &pipe->stream->timing; + + num_lines = micro_sec_to_vert_lines(dcn3_5_ip.VBlankNomDefaultUS, timing); + v_back_porch = get_vertical_back_porch(timing); + + if (pipe->stream->adjust.v_total_max == + pipe->stream->adjust.v_total_min && + pipe->stream->adjust.v_total_min > timing->v_total) { + pipes[pipe_cnt].pipe.dest.vtotal = + pipe->stream->adjust.v_total_min; + pipes[pipe_cnt].pipe.dest.vblank_nom = timing->v_total - + pipes[pipe_cnt].pipe.dest.vactive; + } + + pipes[pipe_cnt].pipe.dest.vblank_nom = timing->v_total - pipes[pipe_cnt].pipe.dest.vactive; + pipes[pipe_cnt].pipe.dest.vblank_nom = min(pipes[pipe_cnt].pipe.dest.vblank_nom, num_lines); + // vblank_nom should not smaller than (VSync (timing->v_sync_width + v_back_porch) + 2) + // + 2 is because + // 1 -> VStartup_start should be 1 line before VSync + // 1 -> always reserve 1 line between start of vblank to vstartup signal + pipes[pipe_cnt].pipe.dest.vblank_nom = + max(pipes[pipe_cnt].pipe.dest.vblank_nom, timing->v_sync_width + v_back_porch + 2); + pipes[pipe_cnt].pipe.dest.vblank_nom = min(pipes[pipe_cnt].pipe.dest.vblank_nom, max_allowed_vblank_nom); + + if (pipe->plane_state && + (pipe->plane_state->src_rect.height < + pipe->plane_state->dst_rect.height || + pipe->plane_state->src_rect.width < + pipe->plane_state->dst_rect.width)) + upscaled = true; + + /* + * Immediate flip can be set dynamically after enabling the + * plane. We need to require support for immediate flip or + * underflow can be intermittently experienced depending on peak + * b/w requirements. + */ + pipes[pipe_cnt].pipe.src.immediate_flip = true; + + pipes[pipe_cnt].pipe.src.unbounded_req_mode = false; + + DC_FP_START(); + dcn31_zero_pipe_dcc_fraction(pipes, pipe_cnt); + DC_FP_END(); + + pipes[pipe_cnt].pipe.dest.vfront_porch = timing->v_front_porch; + pipes[pipe_cnt].pipe.src.dcc_rate = 3; + pipes[pipe_cnt].dout.dsc_input_bpc = 0; + pipes[pipe_cnt].pipe.src.gpuvm_min_page_size_kbytes = 256; + + if (pipes[pipe_cnt].dout.dsc_enable) { + switch (timing->display_color_depth) { + case COLOR_DEPTH_888: + pipes[pipe_cnt].dout.dsc_input_bpc = 8; + break; + case COLOR_DEPTH_101010: + pipes[pipe_cnt].dout.dsc_input_bpc = 10; + break; + case COLOR_DEPTH_121212: + pipes[pipe_cnt].dout.dsc_input_bpc = 12; + break; + default: + ASSERT(0); + break; + } + } + + pipe_cnt++; + } + + context->bw_ctx.dml.ip.det_buffer_size_kbytes = 384;/*per guide*/ + dc->config.enable_4to1MPC = false; + + if (pipe_cnt == 1 && pipe->plane_state && !dc->debug.disable_z9_mpc) { + if (is_dual_plane(pipe->plane_state->format) + && pipe->plane_state->src_rect.width <= 1920 && + pipe->plane_state->src_rect.height <= 1080) { + dc->config.enable_4to1MPC = true; + } else if (!is_dual_plane(pipe->plane_state->format) && + pipe->plane_state->src_rect.width <= 5120) { + /* + * Limit to 5k max to avoid forced pipe split when there + * is not enough detile for swath + */ + context->bw_ctx.dml.ip.det_buffer_size_kbytes = 192; + pipes[0].pipe.src.unbounded_req_mode = true; + } + } else if (context->stream_count >= + dc->debug.crb_alloc_policy_min_disp_count && + dc->debug.crb_alloc_policy > DET_SIZE_DEFAULT) { + context->bw_ctx.dml.ip.det_buffer_size_kbytes = + dc->debug.crb_alloc_policy * 64; + } else if (context->stream_count >= 3 && upscaled) { + context->bw_ctx.dml.ip.det_buffer_size_kbytes = 192; + } + + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; + + if (!pipe->stream) + continue; + + if (pipe->stream->signal == SIGNAL_TYPE_EDP && + dc->debug.seamless_boot_odm_combine && + pipe->stream->apply_seamless_boot_optimization) { + + if (pipe->stream->apply_boot_odm_mode == + dm_odm_combine_policy_2to1) { + context->bw_ctx.dml.vba.ODMCombinePolicy = + dm_odm_combine_policy_2to1; + break; + } + } + } + + return pipe_cnt; +} |