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Subject[PATCH 3/3] drm/amd/display: move FPU related code from dcn316 to dml/dcn31 folder
Date
Moves FPU-related structs and dcn316_update_bw_bounding_box from dcn316
driver to dml/dcn31 that centralize FPU operations for DCN 3.1x

Signed-off-by: Melissa Wen <mwen@igalia.com>
---
.../gpu/drm/amd/display/dc/dcn316/Makefile | 26 --
.../amd/display/dc/dcn316/dcn316_resource.c | 231 +-----------------
.../amd/display/dc/dcn316/dcn316_resource.h | 3 +
.../drm/amd/display/dc/dml/dcn31/dcn31_fpu.c | 229 +++++++++++++++++
.../drm/amd/display/dc/dml/dcn31/dcn31_fpu.h | 2 +
5 files changed, 235 insertions(+), 256 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn316/Makefile b/drivers/gpu/drm/amd/display/dc/dcn316/Makefile
index cd87b687c5e2..819d44a9439b 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn316/Makefile
+++ b/drivers/gpu/drm/amd/display/dc/dcn316/Makefile
@@ -25,32 +25,6 @@

DCN316 = dcn316_resource.o

-ifdef CONFIG_X86
-CFLAGS_$(AMDDALPATH)/dc/dcn316/dcn316_resource.o := -msse
-endif
-
-ifdef CONFIG_PPC64
-CFLAGS_$(AMDDALPATH)/dc/dcn316/dcn316_resource.o := -mhard-float -maltivec
-endif
-
-ifdef CONFIG_CC_IS_GCC
-ifeq ($(call cc-ifversion, -lt, 0701, y), y)
-IS_OLD_GCC = 1
-endif
-CFLAGS_$(AMDDALPATH)/dc/dcn316/dcn316_resource.o += -mhard-float
-endif
-
-ifdef CONFIG_X86
-ifdef IS_OLD_GCC
-# Stack alignment mismatch, proceed with caution.
-# GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3
-# (8B stack alignment).
-CFLAGS_$(AMDDALPATH)/dc/dcn316/dcn316_resource.o += -mpreferred-stack-boundary=4
-else
-CFLAGS_$(AMDDALPATH)/dc/dcn316/dcn316_resource.o += -msse2
-endif
-endif
-
AMD_DAL_DCN316 = $(addprefix $(AMDDALPATH)/dc/dcn316/,$(DCN316))

AMD_DISPLAY_FILES += $(AMD_DAL_DCN316)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.c b/drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.c
index 90c17c44dd7c..1e451d069bc3 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.c
@@ -66,6 +66,7 @@
#include "virtual/virtual_stream_encoder.h"
#include "dce110/dce110_resource.h"
#include "dml/display_mode_vba.h"
+#include "dml/dcn31/dcn31_fpu.h"
#include "dcn31/dcn31_dccg.h"
#include "dcn10/dcn10_resource.h"
#include "dcn31/dcn31_panel_cntl.h"
@@ -123,157 +124,10 @@

#include "link_enc_cfg.h"

-#define DC_LOGGER_INIT(logger)
-
-#define DCN3_16_DEFAULT_DET_SIZE 192
#define DCN3_16_MAX_DET_SIZE 384
#define DCN3_16_MIN_COMPBUF_SIZE_KB 128
#define DCN3_16_CRB_SEGMENT_SIZE_KB 64

-struct _vcs_dpi_ip_params_st dcn3_16_ip = {
- .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 = DCN3_16_DEFAULT_DET_SIZE,
- .config_return_buffer_size_in_kbytes = 1024,
- .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,
- .opp_output_buffer_lines = 1,
- .pixel_chunk_size_kbytes = 8,
- .meta_chunk_size_kbytes = 2,
- .min_meta_chunk_size_bytes = 256,
- .writeback_chunk_size_kbytes = 8,
- .ptoi_supported = false,
- .num_dsc = 3,
- .maximum_dsc_bits_per_component = 10,
- .dsc422_native_support = false,
- .is_line_buffer_bpp_fixed = true,
- .line_buffer_fixed_bpp = 48,
- .line_buffer_size_bits = 789504,
- .max_line_buffer_lines = 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_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 = 46,
- .dppclk_delay_scl = 50,
- .dppclk_delay_scl_lb_only = 16,
- .dppclk_delay_cnvc_formatter = 27,
- .dppclk_delay_cnvc_cursor = 6,
- .dispclk_delay_subtotal = 119,
- .dynamic_metadata_vm_enabled = false,
- .odm_combine_4to1_supported = false,
- .dcc_supported = true,
-};
-
-struct _vcs_dpi_soc_bounding_box_st dcn3_16_soc = {
- /*TODO: correct dispclk/dppclk voltage level determination*/
- .clock_limits = {
- {
- .state = 0,
- .dispclk_mhz = 556.0,
- .dppclk_mhz = 556.0,
- .phyclk_mhz = 600.0,
- .phyclk_d18_mhz = 445.0,
- .dscclk_mhz = 186.0,
- .dtbclk_mhz = 625.0,
- },
- {
- .state = 1,
- .dispclk_mhz = 625.0,
- .dppclk_mhz = 625.0,
- .phyclk_mhz = 810.0,
- .phyclk_d18_mhz = 667.0,
- .dscclk_mhz = 209.0,
- .dtbclk_mhz = 625.0,
- },
- {
- .state = 2,
- .dispclk_mhz = 625.0,
- .dppclk_mhz = 625.0,
- .phyclk_mhz = 810.0,
- .phyclk_d18_mhz = 667.0,
- .dscclk_mhz = 209.0,
- .dtbclk_mhz = 625.0,
- },
- {
- .state = 3,
- .dispclk_mhz = 1112.0,
- .dppclk_mhz = 1112.0,
- .phyclk_mhz = 810.0,
- .phyclk_d18_mhz = 667.0,
- .dscclk_mhz = 371.0,
- .dtbclk_mhz = 625.0,
- },
- {
- .state = 4,
- .dispclk_mhz = 1250.0,
- .dppclk_mhz = 1250.0,
- .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 = 442.0,
- .sr_enter_plus_exit_z8_time_us = 560.0,
- .writeback_latency_us = 12.0,
- .dram_channel_width_bytes = 4,
- .round_trip_ping_latency_dcfclk_cycles = 106,
- .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_sdp_bw_after_urgent = 80.0,
- .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 = false,
- .urgent_latency_adjustment_fabric_clock_component_us = 0,
- .urgent_latency_adjustment_fabric_clock_reference_mhz = 0,
-};
-
enum dcn31_clk_src_array_id {
DCN31_CLK_SRC_PLL0,
DCN31_CLK_SRC_PLL1,
@@ -1859,89 +1713,6 @@ static struct dc_cap_funcs cap_funcs = {
.get_dcc_compression_cap = dcn20_get_dcc_compression_cap
};

-static void dcn316_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_params)
-{
- struct clk_limit_table *clk_table = &bw_params->clk_table;
- struct _vcs_dpi_voltage_scaling_st clock_limits[DC__VOLTAGE_STATES];
- unsigned int i, closest_clk_lvl;
- int max_dispclk_mhz = 0, max_dppclk_mhz = 0;
- int j;
-
- // Default clock levels are used for diags, which may lead to overclocking.
- if (!IS_DIAG_DC(dc->ctx->dce_environment)) {
-
- dcn3_16_ip.max_num_otg = dc->res_pool->res_cap->num_timing_generator;
- dcn3_16_ip.max_num_dpp = dc->res_pool->pipe_count;
- dcn3_16_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_16_soc.num_states - 1; j >= 0; j--) {
- if ((unsigned int) dcn3_16_soc.clock_limits[j].dcfclk_mhz <= clk_table->entries[i].dcfclk_mhz) {
- closest_clk_lvl = j;
- break;
- }
- }
- // Ported from DCN315
- if (clk_table->num_entries == 1) {
- /*smu gives one DPM level, let's take the highest one*/
- closest_clk_lvl = dcn3_16_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_16_soc.clock_limits[closest_clk_lvl].dcfclk_mhz) {
- /*SMU fix not released yet*/
- clock_limits[i].dcfclk_mhz = dcn3_16_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;
- 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_16_soc.clock_limits[closest_clk_lvl].dispclk_mhz;
-
- clock_limits[i].dppclk_mhz = max_dppclk_mhz ? max_dppclk_mhz :
- dcn3_16_soc.clock_limits[closest_clk_lvl].dppclk_mhz;
-
- clock_limits[i].dram_bw_per_chan_gbps = dcn3_16_soc.clock_limits[closest_clk_lvl].dram_bw_per_chan_gbps;
- clock_limits[i].dscclk_mhz = dcn3_16_soc.clock_limits[closest_clk_lvl].dscclk_mhz;
- clock_limits[i].dtbclk_mhz = dcn3_16_soc.clock_limits[closest_clk_lvl].dtbclk_mhz;
- clock_limits[i].phyclk_d18_mhz = dcn3_16_soc.clock_limits[closest_clk_lvl].phyclk_d18_mhz;
- clock_limits[i].phyclk_mhz = dcn3_16_soc.clock_limits[closest_clk_lvl].phyclk_mhz;
- }
- for (i = 0; i < clk_table->num_entries; i++)
- dcn3_16_soc.clock_limits[i] = clock_limits[i];
- if (clk_table->num_entries) {
- dcn3_16_soc.num_states = clk_table->num_entries;
- }
- }
-
- if (max_dispclk_mhz) {
- dcn3_16_soc.dispclk_dppclk_vco_speed_mhz = max_dispclk_mhz * 2;
- dc->dml.soc.dispclk_dppclk_vco_speed_mhz = max_dispclk_mhz * 2;
- }
-
- if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment))
- dml_init_instance(&dc->dml, &dcn3_16_soc, &dcn3_16_ip, DML_PROJECT_DCN31);
- else
- dml_init_instance(&dc->dml, &dcn3_16_soc, &dcn3_16_ip, DML_PROJECT_DCN31_FPGA);
-}
-
static struct resource_funcs dcn316_res_pool_funcs = {
.destroy = dcn316_destroy_resource_pool,
.link_enc_create = dcn31_link_encoder_create,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.h b/drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.h
index 9d0d60cb9482..0dc5a6c13ae7 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.h
@@ -31,6 +31,9 @@
#define TO_DCN316_RES_POOL(pool)\
container_of(pool, struct dcn316_resource_pool, base)

+extern struct _vcs_dpi_ip_params_st dcn3_16_ip;
+extern struct _vcs_dpi_ip_params_st dcn3_16_soc;
+
struct dcn316_resource_pool {
struct resource_pool base;
};
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.c
index f70b47ef850c..a0a2e125c9c8 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.c
@@ -339,6 +339,150 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_15_soc = {
.urgent_latency_adjustment_fabric_clock_reference_mhz = 0,
};

+struct _vcs_dpi_ip_params_st dcn3_16_ip = {
+ .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 = DCN3_16_DEFAULT_DET_SIZE,
+ .config_return_buffer_size_in_kbytes = 1024,
+ .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,
+ .opp_output_buffer_lines = 1,
+ .pixel_chunk_size_kbytes = 8,
+ .meta_chunk_size_kbytes = 2,
+ .min_meta_chunk_size_bytes = 256,
+ .writeback_chunk_size_kbytes = 8,
+ .ptoi_supported = false,
+ .num_dsc = 3,
+ .maximum_dsc_bits_per_component = 10,
+ .dsc422_native_support = false,
+ .is_line_buffer_bpp_fixed = true,
+ .line_buffer_fixed_bpp = 48,
+ .line_buffer_size_bits = 789504,
+ .max_line_buffer_lines = 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_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 = 46,
+ .dppclk_delay_scl = 50,
+ .dppclk_delay_scl_lb_only = 16,
+ .dppclk_delay_cnvc_formatter = 27,
+ .dppclk_delay_cnvc_cursor = 6,
+ .dispclk_delay_subtotal = 119,
+ .dynamic_metadata_vm_enabled = false,
+ .odm_combine_4to1_supported = false,
+ .dcc_supported = true,
+};
+
+struct _vcs_dpi_soc_bounding_box_st dcn3_16_soc = {
+ /*TODO: correct dispclk/dppclk voltage level determination*/
+ .clock_limits = {
+ {
+ .state = 0,
+ .dispclk_mhz = 556.0,
+ .dppclk_mhz = 556.0,
+ .phyclk_mhz = 600.0,
+ .phyclk_d18_mhz = 445.0,
+ .dscclk_mhz = 186.0,
+ .dtbclk_mhz = 625.0,
+ },
+ {
+ .state = 1,
+ .dispclk_mhz = 625.0,
+ .dppclk_mhz = 625.0,
+ .phyclk_mhz = 810.0,
+ .phyclk_d18_mhz = 667.0,
+ .dscclk_mhz = 209.0,
+ .dtbclk_mhz = 625.0,
+ },
+ {
+ .state = 2,
+ .dispclk_mhz = 625.0,
+ .dppclk_mhz = 625.0,
+ .phyclk_mhz = 810.0,
+ .phyclk_d18_mhz = 667.0,
+ .dscclk_mhz = 209.0,
+ .dtbclk_mhz = 625.0,
+ },
+ {
+ .state = 3,
+ .dispclk_mhz = 1112.0,
+ .dppclk_mhz = 1112.0,
+ .phyclk_mhz = 810.0,
+ .phyclk_d18_mhz = 667.0,
+ .dscclk_mhz = 371.0,
+ .dtbclk_mhz = 625.0,
+ },
+ {
+ .state = 4,
+ .dispclk_mhz = 1250.0,
+ .dppclk_mhz = 1250.0,
+ .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 = 442.0,
+ .sr_enter_plus_exit_z8_time_us = 560.0,
+ .writeback_latency_us = 12.0,
+ .dram_channel_width_bytes = 4,
+ .round_trip_ping_latency_dcfclk_cycles = 106,
+ .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_sdp_bw_after_urgent = 80.0,
+ .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 = false,
+ .urgent_latency_adjustment_fabric_clock_component_us = 0,
+ .urgent_latency_adjustment_fabric_clock_reference_mhz = 0,
+};
+
void dcn31_calculate_wm_and_dlg_fp(
struct dc *dc, struct dc_state *context,
display_e2e_pipe_params_st *pipes,
@@ -632,3 +776,88 @@ void dcn315_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_param
else
dml_init_instance(&dc->dml, &dcn3_15_soc, &dcn3_15_ip, DML_PROJECT_DCN31_FPGA);
}
+
+void dcn316_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_params)
+{
+ struct clk_limit_table *clk_table = &bw_params->clk_table;
+ struct _vcs_dpi_voltage_scaling_st clock_limits[DC__VOLTAGE_STATES];
+ unsigned int i, closest_clk_lvl;
+ int max_dispclk_mhz = 0, max_dppclk_mhz = 0;
+ int j;
+
+ dc_assert_fp_enabled();
+
+ // Default clock levels are used for diags, which may lead to overclocking.
+ if (!IS_DIAG_DC(dc->ctx->dce_environment)) {
+
+ dcn3_16_ip.max_num_otg = dc->res_pool->res_cap->num_timing_generator;
+ dcn3_16_ip.max_num_dpp = dc->res_pool->pipe_count;
+ dcn3_16_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_16_soc.num_states - 1; j >= 0; j--) {
+ if ((unsigned int) dcn3_16_soc.clock_limits[j].dcfclk_mhz <= clk_table->entries[i].dcfclk_mhz) {
+ closest_clk_lvl = j;
+ break;
+ }
+ }
+ // Ported from DCN315
+ if (clk_table->num_entries == 1) {
+ /*smu gives one DPM level, let's take the highest one*/
+ closest_clk_lvl = dcn3_16_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_16_soc.clock_limits[closest_clk_lvl].dcfclk_mhz) {
+ /*SMU fix not released yet*/
+ clock_limits[i].dcfclk_mhz = dcn3_16_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;
+ 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_16_soc.clock_limits[closest_clk_lvl].dispclk_mhz;
+
+ clock_limits[i].dppclk_mhz = max_dppclk_mhz ? max_dppclk_mhz :
+ dcn3_16_soc.clock_limits[closest_clk_lvl].dppclk_mhz;
+
+ clock_limits[i].dram_bw_per_chan_gbps = dcn3_16_soc.clock_limits[closest_clk_lvl].dram_bw_per_chan_gbps;
+ clock_limits[i].dscclk_mhz = dcn3_16_soc.clock_limits[closest_clk_lvl].dscclk_mhz;
+ clock_limits[i].dtbclk_mhz = dcn3_16_soc.clock_limits[closest_clk_lvl].dtbclk_mhz;
+ clock_limits[i].phyclk_d18_mhz = dcn3_16_soc.clock_limits[closest_clk_lvl].phyclk_d18_mhz;
+ clock_limits[i].phyclk_mhz = dcn3_16_soc.clock_limits[closest_clk_lvl].phyclk_mhz;
+ }
+ for (i = 0; i < clk_table->num_entries; i++)
+ dcn3_16_soc.clock_limits[i] = clock_limits[i];
+ if (clk_table->num_entries) {
+ dcn3_16_soc.num_states = clk_table->num_entries;
+ }
+ }
+
+ if (max_dispclk_mhz) {
+ dcn3_16_soc.dispclk_dppclk_vco_speed_mhz = max_dispclk_mhz * 2;
+ dc->dml.soc.dispclk_dppclk_vco_speed_mhz = max_dispclk_mhz * 2;
+ }
+
+ if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment))
+ dml_init_instance(&dc->dml, &dcn3_16_soc, &dcn3_16_ip, DML_PROJECT_DCN31);
+ else
+ dml_init_instance(&dc->dml, &dcn3_16_soc, &dcn3_16_ip, DML_PROJECT_DCN31_FPGA);
+}
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.h b/drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.h
index b15b587cf8c4..24ac19c83687 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.h
@@ -29,6 +29,7 @@
#define DCN3_1_DEFAULT_DET_SIZE 384
#define DCN3_15_DEFAULT_DET_SIZE 192
#define DCN3_15_MIN_COMPBUF_SIZE_KB 128
+#define DCN3_16_DEFAULT_DET_SIZE 192

void dcn31_calculate_wm_and_dlg_fp(
struct dc *dc, struct dc_state *context,
@@ -38,5 +39,6 @@ void dcn31_calculate_wm_and_dlg_fp(

void dcn31_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_params);
void dcn315_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_params);
+void dcn316_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_params);

#endif /* __DCN31_FPU_H__*/
--
2.34.1
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