1 // SPDX-License-Identifier: MIT 2 /* 3 * Copyright 2022 Advanced Micro Devices, Inc. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in 13 * all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 21 * OTHER DEALINGS IN THE SOFTWARE. 22 * 23 * Authors: AMD 24 * 25 */ 26 27 #include "clk_mgr.h" 28 #include "resource.h" 29 #include "dcn31/dcn31_hubbub.h" 30 #include "dcn314_fpu.h" 31 #include "dml/dcn20/dcn20_fpu.h" 32 #include "dml/display_mode_vba.h" 33 34 struct _vcs_dpi_ip_params_st dcn3_14_ip = { 35 .VBlankNomDefaultUS = 668, 36 .gpuvm_enable = 1, 37 .gpuvm_max_page_table_levels = 1, 38 .hostvm_enable = 1, 39 .hostvm_max_page_table_levels = 2, 40 .rob_buffer_size_kbytes = 64, 41 .det_buffer_size_kbytes = DCN3_14_DEFAULT_DET_SIZE, 42 .config_return_buffer_size_in_kbytes = 1792, 43 .compressed_buffer_segment_size_in_kbytes = 64, 44 .meta_fifo_size_in_kentries = 32, 45 .zero_size_buffer_entries = 512, 46 .compbuf_reserved_space_64b = 256, 47 .compbuf_reserved_space_zs = 64, 48 .dpp_output_buffer_pixels = 2560, 49 .opp_output_buffer_lines = 1, 50 .pixel_chunk_size_kbytes = 8, 51 .meta_chunk_size_kbytes = 2, 52 .min_meta_chunk_size_bytes = 256, 53 .writeback_chunk_size_kbytes = 8, 54 .ptoi_supported = false, 55 .num_dsc = 4, 56 .maximum_dsc_bits_per_component = 10, 57 .dsc422_native_support = false, 58 .is_line_buffer_bpp_fixed = true, 59 .line_buffer_fixed_bpp = 48, 60 .line_buffer_size_bits = 789504, 61 .max_line_buffer_lines = 12, 62 .writeback_interface_buffer_size_kbytes = 90, 63 .max_num_dpp = 4, 64 .max_num_otg = 4, 65 .max_num_hdmi_frl_outputs = 1, 66 .max_num_wb = 1, 67 .max_dchub_pscl_bw_pix_per_clk = 4, 68 .max_pscl_lb_bw_pix_per_clk = 2, 69 .max_lb_vscl_bw_pix_per_clk = 4, 70 .max_vscl_hscl_bw_pix_per_clk = 4, 71 .max_hscl_ratio = 6, 72 .max_vscl_ratio = 6, 73 .max_hscl_taps = 8, 74 .max_vscl_taps = 8, 75 .dpte_buffer_size_in_pte_reqs_luma = 64, 76 .dpte_buffer_size_in_pte_reqs_chroma = 34, 77 .dispclk_ramp_margin_percent = 1, 78 .max_inter_dcn_tile_repeaters = 8, 79 .cursor_buffer_size = 16, 80 .cursor_chunk_size = 2, 81 .writeback_line_buffer_buffer_size = 0, 82 .writeback_min_hscl_ratio = 1, 83 .writeback_min_vscl_ratio = 1, 84 .writeback_max_hscl_ratio = 1, 85 .writeback_max_vscl_ratio = 1, 86 .writeback_max_hscl_taps = 1, 87 .writeback_max_vscl_taps = 1, 88 .dppclk_delay_subtotal = 46, 89 .dppclk_delay_scl = 50, 90 .dppclk_delay_scl_lb_only = 16, 91 .dppclk_delay_cnvc_formatter = 27, 92 .dppclk_delay_cnvc_cursor = 6, 93 .dispclk_delay_subtotal = 119, 94 .dynamic_metadata_vm_enabled = false, 95 .odm_combine_4to1_supported = false, 96 .dcc_supported = true, 97 }; 98 99 struct _vcs_dpi_soc_bounding_box_st dcn3_14_soc = { 100 /*TODO: correct dispclk/dppclk voltage level determination*/ 101 .clock_limits = { 102 { 103 .state = 0, 104 .dispclk_mhz = 1200.0, 105 .dppclk_mhz = 1200.0, 106 .phyclk_mhz = 600.0, 107 .phyclk_d18_mhz = 667.0, 108 .dscclk_mhz = 186.0, 109 .dtbclk_mhz = 600.0, 110 }, 111 { 112 .state = 1, 113 .dispclk_mhz = 1200.0, 114 .dppclk_mhz = 1200.0, 115 .phyclk_mhz = 810.0, 116 .phyclk_d18_mhz = 667.0, 117 .dscclk_mhz = 209.0, 118 .dtbclk_mhz = 600.0, 119 }, 120 { 121 .state = 2, 122 .dispclk_mhz = 1200.0, 123 .dppclk_mhz = 1200.0, 124 .phyclk_mhz = 810.0, 125 .phyclk_d18_mhz = 667.0, 126 .dscclk_mhz = 209.0, 127 .dtbclk_mhz = 600.0, 128 }, 129 { 130 .state = 3, 131 .dispclk_mhz = 1200.0, 132 .dppclk_mhz = 1200.0, 133 .phyclk_mhz = 810.0, 134 .phyclk_d18_mhz = 667.0, 135 .dscclk_mhz = 371.0, 136 .dtbclk_mhz = 600.0, 137 }, 138 { 139 .state = 4, 140 .dispclk_mhz = 1200.0, 141 .dppclk_mhz = 1200.0, 142 .phyclk_mhz = 810.0, 143 .phyclk_d18_mhz = 667.0, 144 .dscclk_mhz = 417.0, 145 .dtbclk_mhz = 600.0, 146 }, 147 }, 148 .num_states = 5, 149 .sr_exit_time_us = 9.0, 150 .sr_enter_plus_exit_time_us = 11.0, 151 .sr_exit_z8_time_us = 442.0, 152 .sr_enter_plus_exit_z8_time_us = 560.0, 153 .writeback_latency_us = 12.0, 154 .dram_channel_width_bytes = 4, 155 .round_trip_ping_latency_dcfclk_cycles = 106, 156 .urgent_latency_pixel_data_only_us = 4.0, 157 .urgent_latency_pixel_mixed_with_vm_data_us = 4.0, 158 .urgent_latency_vm_data_only_us = 4.0, 159 .urgent_out_of_order_return_per_channel_pixel_only_bytes = 4096, 160 .urgent_out_of_order_return_per_channel_pixel_and_vm_bytes = 4096, 161 .urgent_out_of_order_return_per_channel_vm_only_bytes = 4096, 162 .pct_ideal_sdp_bw_after_urgent = 80.0, 163 .pct_ideal_dram_sdp_bw_after_urgent_pixel_only = 65.0, 164 .pct_ideal_dram_sdp_bw_after_urgent_pixel_and_vm = 60.0, 165 .pct_ideal_dram_sdp_bw_after_urgent_vm_only = 30.0, 166 .max_avg_sdp_bw_use_normal_percent = 60.0, 167 .max_avg_dram_bw_use_normal_percent = 60.0, 168 .fabric_datapath_to_dcn_data_return_bytes = 32, 169 .return_bus_width_bytes = 64, 170 .downspread_percent = 0.38, 171 .dcn_downspread_percent = 0.5, 172 .gpuvm_min_page_size_bytes = 4096, 173 .hostvm_min_page_size_bytes = 4096, 174 .do_urgent_latency_adjustment = false, 175 .urgent_latency_adjustment_fabric_clock_component_us = 0, 176 .urgent_latency_adjustment_fabric_clock_reference_mhz = 0, 177 }; 178 179 180 void dcn314_update_bw_bounding_box_fpu(struct dc *dc, struct clk_bw_params *bw_params) 181 { 182 struct clk_limit_table *clk_table = &bw_params->clk_table; 183 struct _vcs_dpi_voltage_scaling_st *clock_limits = 184 dcn3_14_soc.clock_limits; 185 unsigned int i, closest_clk_lvl; 186 int max_dispclk_mhz = 0, max_dppclk_mhz = 0; 187 int j; 188 189 dc_assert_fp_enabled(); 190 191 // Default clock levels are used for diags, which may lead to overclocking. 192 if (!IS_DIAG_DC(dc->ctx->dce_environment) && dc->config.use_default_clock_table == false) { 193 194 dcn3_14_ip.max_num_otg = dc->res_pool->res_cap->num_timing_generator; 195 dcn3_14_ip.max_num_dpp = dc->res_pool->pipe_count; 196 197 if (bw_params->dram_channel_width_bytes > 0) 198 dcn3_14_soc.dram_channel_width_bytes = bw_params->dram_channel_width_bytes; 199 200 if (bw_params->num_channels > 0) 201 dcn3_14_soc.num_chans = bw_params->num_channels; 202 203 ASSERT(dcn3_14_soc.num_chans); 204 ASSERT(clk_table->num_entries); 205 206 /* Prepass to find max clocks independent of voltage level. */ 207 for (i = 0; i < clk_table->num_entries; ++i) { 208 if (clk_table->entries[i].dispclk_mhz > max_dispclk_mhz) 209 max_dispclk_mhz = clk_table->entries[i].dispclk_mhz; 210 if (clk_table->entries[i].dppclk_mhz > max_dppclk_mhz) 211 max_dppclk_mhz = clk_table->entries[i].dppclk_mhz; 212 } 213 214 for (i = 0; i < clk_table->num_entries; i++) { 215 /* loop backwards*/ 216 for (closest_clk_lvl = 0, j = dcn3_14_soc.num_states - 1; j >= 0; j--) { 217 if ((unsigned int) dcn3_14_soc.clock_limits[j].dcfclk_mhz <= clk_table->entries[i].dcfclk_mhz) { 218 closest_clk_lvl = j; 219 break; 220 } 221 } 222 if (clk_table->num_entries == 1) { 223 /*smu gives one DPM level, let's take the highest one*/ 224 closest_clk_lvl = dcn3_14_soc.num_states - 1; 225 } 226 227 clock_limits[i].state = i; 228 229 /* Clocks dependent on voltage level. */ 230 clock_limits[i].dcfclk_mhz = clk_table->entries[i].dcfclk_mhz; 231 if (clk_table->num_entries == 1 && 232 clock_limits[i].dcfclk_mhz < dcn3_14_soc.clock_limits[closest_clk_lvl].dcfclk_mhz) { 233 /*SMU fix not released yet*/ 234 clock_limits[i].dcfclk_mhz = dcn3_14_soc.clock_limits[closest_clk_lvl].dcfclk_mhz; 235 } 236 clock_limits[i].fabricclk_mhz = clk_table->entries[i].fclk_mhz; 237 clock_limits[i].socclk_mhz = clk_table->entries[i].socclk_mhz; 238 239 if (clk_table->entries[i].memclk_mhz && clk_table->entries[i].wck_ratio) 240 clock_limits[i].dram_speed_mts = clk_table->entries[i].memclk_mhz * 2 * clk_table->entries[i].wck_ratio; 241 242 /* Clocks independent of voltage level. */ 243 clock_limits[i].dispclk_mhz = max_dispclk_mhz ? max_dispclk_mhz : 244 dcn3_14_soc.clock_limits[closest_clk_lvl].dispclk_mhz; 245 246 clock_limits[i].dppclk_mhz = max_dppclk_mhz ? max_dppclk_mhz : 247 dcn3_14_soc.clock_limits[closest_clk_lvl].dppclk_mhz; 248 249 clock_limits[i].dram_bw_per_chan_gbps = dcn3_14_soc.clock_limits[closest_clk_lvl].dram_bw_per_chan_gbps; 250 clock_limits[i].dscclk_mhz = dcn3_14_soc.clock_limits[closest_clk_lvl].dscclk_mhz; 251 clock_limits[i].dtbclk_mhz = dcn3_14_soc.clock_limits[closest_clk_lvl].dtbclk_mhz; 252 clock_limits[i].phyclk_d18_mhz = dcn3_14_soc.clock_limits[closest_clk_lvl].phyclk_d18_mhz; 253 clock_limits[i].phyclk_mhz = dcn3_14_soc.clock_limits[closest_clk_lvl].phyclk_mhz; 254 } 255 for (i = 0; i < clk_table->num_entries; i++) 256 dcn3_14_soc.clock_limits[i] = clock_limits[i]; 257 if (clk_table->num_entries) { 258 dcn3_14_soc.num_states = clk_table->num_entries; 259 } 260 } 261 262 if (max_dispclk_mhz) { 263 dcn3_14_soc.dispclk_dppclk_vco_speed_mhz = max_dispclk_mhz * 2; 264 dc->dml.soc.dispclk_dppclk_vco_speed_mhz = max_dispclk_mhz * 2; 265 } 266 267 if ((int)(dcn3_14_soc.dram_clock_change_latency_us * 1000) 268 != dc->debug.dram_clock_change_latency_ns 269 && dc->debug.dram_clock_change_latency_ns) { 270 dcn3_14_soc.dram_clock_change_latency_us = dc->debug.dram_clock_change_latency_ns / 1000; 271 } 272 if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) 273 dml_init_instance(&dc->dml, &dcn3_14_soc, &dcn3_14_ip, DML_PROJECT_DCN314); 274 else 275 dml_init_instance(&dc->dml, &dcn3_14_soc, &dcn3_14_ip, DML_PROJECT_DCN31_FPGA); 276 } 277 278 static bool is_dual_plane(enum surface_pixel_format format) 279 { 280 return format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN || format == SURFACE_PIXEL_FORMAT_GRPH_RGBE_ALPHA; 281 } 282 283 int dcn314_populate_dml_pipes_from_context_fpu(struct dc *dc, struct dc_state *context, 284 display_e2e_pipe_params_st *pipes, 285 bool fast_validate) 286 { 287 int i, pipe_cnt; 288 struct resource_context *res_ctx = &context->res_ctx; 289 struct pipe_ctx *pipe; 290 bool upscaled = false; 291 292 dc_assert_fp_enabled(); 293 294 dcn20_populate_dml_pipes_from_context(dc, context, pipes, fast_validate); 295 296 for (i = 0, pipe_cnt = 0; i < dc->res_pool->pipe_count; i++) { 297 struct dc_crtc_timing *timing; 298 299 if (!res_ctx->pipe_ctx[i].stream) 300 continue; 301 pipe = &res_ctx->pipe_ctx[i]; 302 timing = &pipe->stream->timing; 303 304 if (dc_extended_blank_supported(dc) && pipe->stream->adjust.v_total_max == pipe->stream->adjust.v_total_min 305 && pipe->stream->adjust.v_total_min > timing->v_total) 306 pipes[pipe_cnt].pipe.dest.vtotal = pipe->stream->adjust.v_total_min; 307 308 if (pipe->plane_state && 309 (pipe->plane_state->src_rect.height < pipe->plane_state->dst_rect.height || 310 pipe->plane_state->src_rect.width < pipe->plane_state->dst_rect.width)) 311 upscaled = true; 312 313 /* 314 * Immediate flip can be set dynamically after enabling the plane. 315 * We need to require support for immediate flip or underflow can be 316 * intermittently experienced depending on peak b/w requirements. 317 */ 318 pipes[pipe_cnt].pipe.src.immediate_flip = true; 319 320 pipes[pipe_cnt].pipe.src.unbounded_req_mode = false; 321 pipes[pipe_cnt].pipe.src.hostvm = dc->res_pool->hubbub->riommu_active; 322 pipes[pipe_cnt].pipe.src.gpuvm = true; 323 pipes[pipe_cnt].pipe.src.dcc_fraction_of_zs_req_luma = 0; 324 pipes[pipe_cnt].pipe.src.dcc_fraction_of_zs_req_chroma = 0; 325 pipes[pipe_cnt].pipe.dest.vfront_porch = timing->v_front_porch; 326 pipes[pipe_cnt].pipe.dest.vblank_nom = 327 dcn3_14_ip.VBlankNomDefaultUS / (timing->h_total / (timing->pix_clk_100hz / 10000.0)); 328 pipes[pipe_cnt].pipe.src.dcc_rate = 3; 329 pipes[pipe_cnt].dout.dsc_input_bpc = 0; 330 331 if (pipes[pipe_cnt].dout.dsc_enable) { 332 switch (timing->display_color_depth) { 333 case COLOR_DEPTH_888: 334 pipes[pipe_cnt].dout.dsc_input_bpc = 8; 335 break; 336 case COLOR_DEPTH_101010: 337 pipes[pipe_cnt].dout.dsc_input_bpc = 10; 338 break; 339 case COLOR_DEPTH_121212: 340 pipes[pipe_cnt].dout.dsc_input_bpc = 12; 341 break; 342 default: 343 ASSERT(0); 344 break; 345 } 346 } 347 348 pipe_cnt++; 349 } 350 context->bw_ctx.dml.ip.det_buffer_size_kbytes = DCN3_14_DEFAULT_DET_SIZE; 351 352 dc->config.enable_4to1MPC = false; 353 if (pipe_cnt == 1 && pipe->plane_state && !dc->debug.disable_z9_mpc) { 354 if (is_dual_plane(pipe->plane_state->format) 355 && pipe->plane_state->src_rect.width <= 1920 && pipe->plane_state->src_rect.height <= 1080) { 356 dc->config.enable_4to1MPC = true; 357 } else if (!is_dual_plane(pipe->plane_state->format) && pipe->plane_state->src_rect.width <= 5120) { 358 /* Limit to 5k max to avoid forced pipe split when there is not enough detile for swath */ 359 context->bw_ctx.dml.ip.det_buffer_size_kbytes = 192; 360 pipes[0].pipe.src.unbounded_req_mode = true; 361 } 362 } else if (context->stream_count >= dc->debug.crb_alloc_policy_min_disp_count 363 && dc->debug.crb_alloc_policy > DET_SIZE_DEFAULT) { 364 context->bw_ctx.dml.ip.det_buffer_size_kbytes = dc->debug.crb_alloc_policy * 64; 365 } else if (context->stream_count >= 3 && upscaled) { 366 context->bw_ctx.dml.ip.det_buffer_size_kbytes = 192; 367 } 368 369 for (i = 0; i < dc->res_pool->pipe_count; i++) { 370 struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; 371 372 if (!pipe->stream) 373 continue; 374 375 if (pipe->stream->signal == SIGNAL_TYPE_EDP && dc->debug.seamless_boot_odm_combine && 376 pipe->stream->apply_seamless_boot_optimization) { 377 378 if (pipe->stream->apply_boot_odm_mode == dm_odm_combine_policy_2to1) { 379 context->bw_ctx.dml.vba.ODMCombinePolicy = dm_odm_combine_policy_2to1; 380 break; 381 } 382 } 383 } 384 385 return pipe_cnt; 386 } 387