drm/amd/display: Remove dml/dcn401 files and references

[WHY & HOW]
DCN401 is only supported using DML2.1, so remove unused code and files.

Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Dillon Varone <dillon.varone@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

5 files changed, 29 insertions, 298 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn401/dcn401_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn401/dcn401_clk_mgr.c
index a3b8e3d4a429..13334ee987f7 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn401/dcn401_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn401/dcn401_clk_mgr.c
@@ -22,8 +22,6 @@
 #include "dcn/dcn_4_1_0_offset.h"
 #include "dcn/dcn_4_1_0_sh_mask.h"
 
-#include "dml/dcn401/dcn401_fpu.h"
-
 #define DCN_BASE__INST0_SEG1                       0x000000C0
 
 #define mmCLK01_CLK0_CLK_PLL_REQ                        0x16E37
@@ -183,43 +181,36 @@ static void dcn401_init_single_clock(struct clk_mgr_internal *clk_mgr, PPCLK_e c
 
 static void dcn401_build_wm_range_table(struct clk_mgr *clk_mgr)
 {
-	/* legacy */
-	DC_FP_START();
-	dcn401_build_wm_range_table_fpu(clk_mgr);
-	DC_FP_END();
-
-	if (clk_mgr->ctx->dc->debug.using_dml21) {
-		/* For min clocks use as reported by PM FW and report those as min */
-		uint16_t min_uclk_mhz = clk_mgr->bw_params->clk_table.entries[0].memclk_mhz;
-		uint16_t min_dcfclk_mhz	= clk_mgr->bw_params->clk_table.entries[0].dcfclk_mhz;
-
-		/* Set A - Normal - default values */
-		clk_mgr->bw_params->wm_table.nv_entries[WM_A].valid = true;
-		clk_mgr->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.wm_type = WATERMARKS_CLOCK_RANGE;
-		clk_mgr->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.min_dcfclk = min_dcfclk_mhz;
-		clk_mgr->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.max_dcfclk = 0xFFFF;
-		clk_mgr->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.min_uclk = min_uclk_mhz;
-		clk_mgr->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.max_uclk = 0xFFFF;
-
-		/* Set B - Unused on dcn4 */
-		clk_mgr->bw_params->wm_table.nv_entries[WM_B].valid = false;
-
-		/* Set 1A - Dummy P-State - P-State latency set to "dummy p-state" value */
-		/* 'DalDummyClockChangeLatencyNs' registry key option set to 0x7FFFFFFF can be used to disable Set C for dummy p-state */
-		if (clk_mgr->ctx->dc->bb_overrides.dummy_clock_change_latency_ns != 0x7FFFFFFF) {
-			clk_mgr->bw_params->wm_table.nv_entries[WM_1A].valid = true;
-			clk_mgr->bw_params->wm_table.nv_entries[WM_1A].pmfw_breakdown.wm_type = WATERMARKS_DUMMY_PSTATE;
-			clk_mgr->bw_params->wm_table.nv_entries[WM_1A].pmfw_breakdown.min_dcfclk = min_dcfclk_mhz;
-			clk_mgr->bw_params->wm_table.nv_entries[WM_1A].pmfw_breakdown.max_dcfclk = 0xFFFF;
-			clk_mgr->bw_params->wm_table.nv_entries[WM_1A].pmfw_breakdown.min_uclk = min_uclk_mhz;
-			clk_mgr->bw_params->wm_table.nv_entries[WM_1A].pmfw_breakdown.max_uclk = 0xFFFF;
-		} else {
-			clk_mgr->bw_params->wm_table.nv_entries[WM_1A].valid = false;
-		}
-
-		/* Set 1B - Unused on dcn4 */
-		clk_mgr->bw_params->wm_table.nv_entries[WM_1B].valid = false;
+	/* For min clocks use as reported by PM FW and report those as min */
+	uint16_t min_uclk_mhz = clk_mgr->bw_params->clk_table.entries[0].memclk_mhz;
+	uint16_t min_dcfclk_mhz	= clk_mgr->bw_params->clk_table.entries[0].dcfclk_mhz;
+
+	/* Set A - Normal - default values */
+	clk_mgr->bw_params->wm_table.nv_entries[WM_A].valid = true;
+	clk_mgr->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.wm_type = WATERMARKS_CLOCK_RANGE;
+	clk_mgr->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.min_dcfclk = min_dcfclk_mhz;
+	clk_mgr->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.max_dcfclk = 0xFFFF;
+	clk_mgr->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.min_uclk = min_uclk_mhz;
+	clk_mgr->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.max_uclk = 0xFFFF;
+
+	/* Set B - Unused on dcn4 */
+	clk_mgr->bw_params->wm_table.nv_entries[WM_B].valid = false;
+
+	/* Set 1A - Dummy P-State - P-State latency set to "dummy p-state" value */
+	/* 'DalDummyClockChangeLatencyNs' registry key option set to 0x7FFFFFFF can be used to disable Set C for dummy p-state */
+	if (clk_mgr->ctx->dc->bb_overrides.dummy_clock_change_latency_ns != 0x7FFFFFFF) {
+		clk_mgr->bw_params->wm_table.nv_entries[WM_1A].valid = true;
+		clk_mgr->bw_params->wm_table.nv_entries[WM_1A].pmfw_breakdown.wm_type = WATERMARKS_DUMMY_PSTATE;
+		clk_mgr->bw_params->wm_table.nv_entries[WM_1A].pmfw_breakdown.min_dcfclk = min_dcfclk_mhz;
+		clk_mgr->bw_params->wm_table.nv_entries[WM_1A].pmfw_breakdown.max_dcfclk = 0xFFFF;
+		clk_mgr->bw_params->wm_table.nv_entries[WM_1A].pmfw_breakdown.min_uclk = min_uclk_mhz;
+		clk_mgr->bw_params->wm_table.nv_entries[WM_1A].pmfw_breakdown.max_uclk = 0xFFFF;
+	} else {
+		clk_mgr->bw_params->wm_table.nv_entries[WM_1A].valid = false;
 	}
+
+	/* Set 1B - Unused on dcn4 */
+	clk_mgr->bw_params->wm_table.nv_entries[WM_1B].valid = false;
 }
 
 void dcn401_init_clocks(struct clk_mgr *clk_mgr_base)
diff --git a/drivers/gpu/drm/amd/display/dc/dml/Makefile b/drivers/gpu/drm/amd/display/dc/dml/Makefile
index e1d500633dfa..b357683b4255 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/Makefile
+++ b/drivers/gpu/drm/amd/display/dc/dml/Makefile
@@ -114,9 +114,6 @@ CFLAGS_REMOVE_$(AMDDALPATH)/dc/dml/calcs/dcn_calcs.o := $(dml_rcflags)
 CFLAGS_REMOVE_$(AMDDALPATH)/dc/dml/calcs/dcn_calc_auto.o := $(dml_rcflags)
 CFLAGS_REMOVE_$(AMDDALPATH)/dc/dml/calcs/dcn_calc_math.o := $(dml_rcflags)
 
-CFLAGS_$(AMDDALPATH)/dc/dml/dcn401/dcn401_fpu.o := $(dml_ccflags)
-CFLAGS_REMOVE_$(AMDDALPATH)/dc/dml/dcn401/dcn401_fpu.o := $(dml_rcflags)
-
 ifdef CONFIG_DRM_AMD_DC_FP
 DML += display_mode_lib.o display_rq_dlg_helpers.o dml1_display_rq_dlg_calc.o
 DML += dcn10/dcn10_fpu.o
@@ -137,7 +134,6 @@ DML += dcn303/dcn303_fpu.o
 DML += dcn314/dcn314_fpu.o
 DML += dcn35/dcn35_fpu.o
 DML += dcn351/dcn351_fpu.o
-DML += dcn401/dcn401_fpu.o
 DML += dsc/rc_calc_fpu.o
 DML += calcs/dcn_calcs.o calcs/dcn_calc_math.o calcs/dcn_calc_auto.o
 endif
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn401/dcn401_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn401/dcn401_fpu.c
deleted file mode 100644
index 4fbecb5ff349..000000000000
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn401/dcn401_fpu.c
+++ /dev/null
@@ -1,239 +0,0 @@
-// SPDX-License-Identifier: MIT
-//
-// Copyright 2024 Advanced Micro Devices, Inc.
-
-#include "dcn401_fpu.h"
-#include "dcn401/dcn401_resource.h"
-// We need this includes for WATERMARKS_* defines
-#include "clk_mgr/dcn401/dcn401_smu14_driver_if.h"
-#include "link.h"
-
-#define DC_LOGGER_INIT(logger)
-
-void dcn401_build_wm_range_table_fpu(struct clk_mgr *clk_mgr)
-{
-	/* defaults */
-	double pstate_latency_us = clk_mgr->ctx->dc->dml.soc.dram_clock_change_latency_us;
-	double fclk_change_latency_us = clk_mgr->ctx->dc->dml.soc.fclk_change_latency_us;
-	double sr_exit_time_us = clk_mgr->ctx->dc->dml.soc.sr_exit_time_us;
-	double sr_enter_plus_exit_time_us = clk_mgr->ctx->dc->dml.soc.sr_enter_plus_exit_time_us;
-	/* For min clocks use as reported by PM FW and report those as min */
-	uint16_t min_uclk_mhz			= clk_mgr->bw_params->clk_table.entries[0].memclk_mhz;
-	uint16_t min_dcfclk_mhz			= clk_mgr->bw_params->clk_table.entries[0].dcfclk_mhz;
-	uint16_t setb_min_uclk_mhz		= min_uclk_mhz;
-	uint16_t dcfclk_mhz_for_the_second_state = clk_mgr->ctx->dc->dml.soc.clock_limits[2].dcfclk_mhz;
-
-	dc_assert_fp_enabled();
-
-	/* For Set B ranges use min clocks state 2 when available, and report those to PM FW */
-	if (dcfclk_mhz_for_the_second_state)
-		clk_mgr->bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.min_dcfclk = dcfclk_mhz_for_the_second_state;
-	else
-		clk_mgr->bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.min_dcfclk = clk_mgr->bw_params->clk_table.entries[0].dcfclk_mhz;
-
-	if (clk_mgr->bw_params->clk_table.entries[2].memclk_mhz)
-		setb_min_uclk_mhz = clk_mgr->bw_params->clk_table.entries[2].memclk_mhz;
-
-	/* Set A - Normal - default values */
-	clk_mgr->bw_params->wm_table.nv_entries[WM_A].valid = true;
-	clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.pstate_latency_us = pstate_latency_us;
-	clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.fclk_change_latency_us = fclk_change_latency_us;
-	clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.sr_exit_time_us = sr_exit_time_us;
-	clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us;
-	clk_mgr->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.wm_type = WATERMARKS_CLOCK_RANGE;
-	clk_mgr->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.min_dcfclk = min_dcfclk_mhz;
-	clk_mgr->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.max_dcfclk = 0xFFFF;
-	clk_mgr->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.min_uclk = min_uclk_mhz;
-	clk_mgr->bw_params->wm_table.nv_entries[WM_A].pmfw_breakdown.max_uclk = 0xFFFF;
-
-	/* Set B - Performance - higher clocks, using DPM[2] DCFCLK and UCLK */
-	clk_mgr->bw_params->wm_table.nv_entries[WM_B].valid = true;
-	clk_mgr->bw_params->wm_table.nv_entries[WM_B].dml_input.pstate_latency_us = pstate_latency_us;
-	clk_mgr->bw_params->wm_table.nv_entries[WM_B].dml_input.fclk_change_latency_us = fclk_change_latency_us;
-	clk_mgr->bw_params->wm_table.nv_entries[WM_B].dml_input.sr_exit_time_us = sr_exit_time_us;
-	clk_mgr->bw_params->wm_table.nv_entries[WM_B].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us;
-	clk_mgr->bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.wm_type = WATERMARKS_CLOCK_RANGE;
-	clk_mgr->bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.max_dcfclk = 0xFFFF;
-	clk_mgr->bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.min_uclk = setb_min_uclk_mhz;
-	clk_mgr->bw_params->wm_table.nv_entries[WM_B].pmfw_breakdown.max_uclk = 0xFFFF;
-
-	/* Set C - Dummy P-State - P-State latency set to "dummy p-state" value */
-	/* 'DalDummyClockChangeLatencyNs' registry key option set to 0x7FFFFFFF can be used to disable Set C for dummy p-state */
-	if (clk_mgr->ctx->dc->bb_overrides.dummy_clock_change_latency_ns != 0x7FFFFFFF) {
-		clk_mgr->bw_params->wm_table.nv_entries[WM_C].valid = true;
-		clk_mgr->bw_params->wm_table.nv_entries[WM_C].dml_input.pstate_latency_us = 50;
-		clk_mgr->bw_params->wm_table.nv_entries[WM_C].dml_input.fclk_change_latency_us = fclk_change_latency_us;
-		clk_mgr->bw_params->wm_table.nv_entries[WM_C].dml_input.sr_exit_time_us = sr_exit_time_us;
-		clk_mgr->bw_params->wm_table.nv_entries[WM_C].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us;
-		clk_mgr->bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.wm_type = WATERMARKS_DUMMY_PSTATE;
-		clk_mgr->bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.min_dcfclk = min_dcfclk_mhz;
-		clk_mgr->bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.max_dcfclk = 0xFFFF;
-		clk_mgr->bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.min_uclk = min_uclk_mhz;
-		clk_mgr->bw_params->wm_table.nv_entries[WM_C].pmfw_breakdown.max_uclk = 0xFFFF;
-		clk_mgr->bw_params->dummy_pstate_table[0].dram_speed_mts = clk_mgr->bw_params->clk_table.entries[0].memclk_mhz * 16;
-		clk_mgr->bw_params->dummy_pstate_table[0].dummy_pstate_latency_us = 50;
-		clk_mgr->bw_params->dummy_pstate_table[1].dram_speed_mts = clk_mgr->bw_params->clk_table.entries[1].memclk_mhz * 16;
-		clk_mgr->bw_params->dummy_pstate_table[1].dummy_pstate_latency_us = 9;
-		clk_mgr->bw_params->dummy_pstate_table[2].dram_speed_mts = clk_mgr->bw_params->clk_table.entries[2].memclk_mhz * 16;
-		clk_mgr->bw_params->dummy_pstate_table[2].dummy_pstate_latency_us = 8;
-		clk_mgr->bw_params->dummy_pstate_table[3].dram_speed_mts = clk_mgr->bw_params->clk_table.entries[3].memclk_mhz * 16;
-		clk_mgr->bw_params->dummy_pstate_table[3].dummy_pstate_latency_us = 5;
-	}
-	/* Set D - MALL - SR enter and exit time specific to MALL, TBD after bringup or later phase for now use DRAM values / 2 */
-	/* For MALL DRAM clock change latency is N/A, for watermak calculations use lowest value dummy P state latency */
-	clk_mgr->bw_params->wm_table.nv_entries[WM_D].valid = true;
-	clk_mgr->bw_params->wm_table.nv_entries[WM_D].dml_input.pstate_latency_us = clk_mgr->bw_params->dummy_pstate_table[3].dummy_pstate_latency_us;
-	clk_mgr->bw_params->wm_table.nv_entries[WM_D].dml_input.fclk_change_latency_us = fclk_change_latency_us;
-	clk_mgr->bw_params->wm_table.nv_entries[WM_D].dml_input.sr_exit_time_us = sr_exit_time_us / 2; // TBD
-	clk_mgr->bw_params->wm_table.nv_entries[WM_D].dml_input.sr_enter_plus_exit_time_us = sr_enter_plus_exit_time_us / 2; // TBD
-	clk_mgr->bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.wm_type = WATERMARKS_MALL;
-	clk_mgr->bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.min_dcfclk = min_dcfclk_mhz;
-	clk_mgr->bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.max_dcfclk = 0xFFFF;
-	clk_mgr->bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.min_uclk = min_uclk_mhz;
-	clk_mgr->bw_params->wm_table.nv_entries[WM_D].pmfw_breakdown.max_uclk = 0xFFFF;
-}
-
-/*
- * dcn401_update_bw_bounding_box
- *
- * This would override some dcn4_01 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 dcn401_update_bw_bounding_box_fpu(struct dc *dc, struct clk_bw_params *bw_params)
-{
-	dc_assert_fp_enabled();
-
-	/* Override from passed dc->bb_overrides if available*/
-	if (dc->bb_overrides.sr_exit_time_ns)
-		dc->dml2_options.bbox_overrides.sr_exit_latency_us =
-				dc->bb_overrides.sr_exit_time_ns / 1000.0;
-
-	if (dc->bb_overrides.sr_enter_plus_exit_time_ns)
-		dc->dml2_options.bbox_overrides.sr_enter_plus_exit_latency_us =
-			dc->bb_overrides.sr_enter_plus_exit_time_ns / 1000.0;
-
-	if (dc->bb_overrides.urgent_latency_ns)
-		dc->dml2_options.bbox_overrides.urgent_latency_us =
-				dc->bb_overrides.urgent_latency_ns / 1000.0;
-
-	if (dc->bb_overrides.dram_clock_change_latency_ns)
-		dc->dml2_options.bbox_overrides.dram_clock_change_latency_us =
-			dc->bb_overrides.dram_clock_change_latency_ns / 1000.0;
-
-	if (dc->bb_overrides.fclk_clock_change_latency_ns)
-		dc->dml2_options.bbox_overrides.fclk_change_latency_us =
-			dc->bb_overrides.fclk_clock_change_latency_ns / 1000;
-
-	/* Override from VBIOS if VBIOS bb_info available */
-	if (dc->ctx->dc_bios->funcs->get_soc_bb_info) {
-		struct bp_soc_bb_info bb_info = {0};
-		if (dc->ctx->dc_bios->funcs->get_soc_bb_info(dc->ctx->dc_bios, &bb_info) == BP_RESULT_OK) {
-			if (bb_info.dram_clock_change_latency_100ns > 0)
-				dc->dml2_options.bbox_overrides.dram_clock_change_latency_us =
-					bb_info.dram_clock_change_latency_100ns * 10;
-
-			if (bb_info.dram_sr_enter_exit_latency_100ns > 0)
-				dc->dml2_options.bbox_overrides.sr_enter_plus_exit_latency_us =
-					bb_info.dram_sr_enter_exit_latency_100ns * 10;
-
-			if (bb_info.dram_sr_exit_latency_100ns > 0)
-				dc->dml2_options.bbox_overrides.sr_exit_latency_us =
-					bb_info.dram_sr_exit_latency_100ns * 10;
-		}
-	}
-
-	/* Override from VBIOS for num_chan */
-	if (dc->ctx->dc_bios->vram_info.num_chans) {
-		dc->dml2_options.bbox_overrides.dram_num_chan =
-				dc->ctx->dc_bios->vram_info.num_chans;
-
-	}
-
-	if (dc->ctx->dc_bios->vram_info.dram_channel_width_bytes)
-		dc->dml2_options.bbox_overrides.dram_chanel_width_bytes =
-				dc->ctx->dc_bios->vram_info.dram_channel_width_bytes;
-
-	dc->dml2_options.bbox_overrides.disp_pll_vco_speed_mhz = dc->clk_mgr->dentist_vco_freq_khz / 1000.0;
-	dc->dml2_options.bbox_overrides.xtalclk_mhz = dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency / 1000.0;
-	dc->dml2_options.bbox_overrides.dchub_refclk_mhz = dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000.0;
-	dc->dml2_options.bbox_overrides.dprefclk_mhz = dc->clk_mgr->dprefclk_khz / 1000.0;
-
-	if (dc->clk_mgr->bw_params->clk_table.num_entries > 1) {
-		unsigned int i = 0;
-
-		dc->dml2_options.bbox_overrides.clks_table.num_states = dc->clk_mgr->bw_params->clk_table.num_entries;
-
-		dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_dcfclk_levels =
-			dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_dcfclk_levels;
-
-		dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_fclk_levels =
-			dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_fclk_levels;
-
-		dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_memclk_levels =
-			dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_memclk_levels;
-
-		dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_socclk_levels =
-			dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_socclk_levels;
-
-		dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_dtbclk_levels =
-			dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_dtbclk_levels;
-
-		dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_dispclk_levels =
-			dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_dispclk_levels;
-
-		dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_dppclk_levels =
-			dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_dppclk_levels;
-
-		for (i = 0; i < dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_dcfclk_levels; i++) {
-			if (dc->clk_mgr->bw_params->clk_table.entries[i].dcfclk_mhz)
-				dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].dcfclk_mhz =
-					dc->clk_mgr->bw_params->clk_table.entries[i].dcfclk_mhz;
-		}
-
-		for (i = 0; i < dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_fclk_levels; i++) {
-			if (dc->clk_mgr->bw_params->clk_table.entries[i].fclk_mhz)
-				dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].fclk_mhz =
-					dc->clk_mgr->bw_params->clk_table.entries[i].fclk_mhz;
-		}
-
-		for (i = 0; i < dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_memclk_levels; i++) {
-			if (dc->clk_mgr->bw_params->clk_table.entries[i].memclk_mhz)
-				dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].memclk_mhz =
-					dc->clk_mgr->bw_params->clk_table.entries[i].memclk_mhz;
-		}
-
-		for (i = 0; i < dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_socclk_levels; i++) {
-			if (dc->clk_mgr->bw_params->clk_table.entries[i].socclk_mhz)
-				dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].socclk_mhz =
-					dc->clk_mgr->bw_params->clk_table.entries[i].socclk_mhz;
-		}
-
-		for (i = 0; i < dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_dtbclk_levels; i++) {
-			if (dc->clk_mgr->bw_params->clk_table.entries[i].dtbclk_mhz)
-				dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].dtbclk_mhz =
-					dc->clk_mgr->bw_params->clk_table.entries[i].dtbclk_mhz;
-		}
-
-		for (i = 0; i < dc->clk_mgr->bw_params->clk_table.num_entries_per_clk.num_dispclk_levels; i++) {
-			if (dc->clk_mgr->bw_params->clk_table.entries[i].dispclk_mhz) {
-				dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].dispclk_mhz =
-					dc->clk_mgr->bw_params->clk_table.entries[i].dispclk_mhz;
-				dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].dppclk_mhz =
-					dc->clk_mgr->bw_params->clk_table.entries[i].dispclk_mhz;
-			}
-		}
-	}
-}
-
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn401/dcn401_fpu.h b/drivers/gpu/drm/amd/display/dc/dml/dcn401/dcn401_fpu.h
deleted file mode 100644
index 329f1788843c..000000000000
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn401/dcn401_fpu.h
+++ /dev/null
@@ -1,14 +0,0 @@
-// SPDX-License-Identifier: MIT
-//
-// Copyright 2024 Advanced Micro Devices, Inc.
-
-#ifndef __DCN401_FPU_H__
-#define __DCN401_FPU_H__
-
-#include "clk_mgr.h"
-
-void dcn401_build_wm_range_table_fpu(struct clk_mgr *clk_mgr);
-
-void dcn401_update_bw_bounding_box_fpu(struct dc *dc, struct clk_bw_params *bw_params);
-
-#endif
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c
index 1dce22b81c97..aff30274fa96 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c
@@ -70,7 +70,6 @@
 #include "dml/dcn30/display_mode_vba_30.h"
 #include "vm_helper.h"
 #include "dcn20/dcn20_vmid.h"
-#include "dml/dcn401/dcn401_fpu.h"
 
 #include "dc_state_priv.h"
 
@@ -1622,8 +1621,6 @@ static void dcn401_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *b
 
 	DC_FP_START();
 
-	dcn401_update_bw_bounding_box_fpu(dc, bw_params);
-
 	dml2_opt->use_clock_dc_limits = false;
 	if (dc->debug.using_dml2 && dc->current_state && dc->current_state->bw_ctx.dml2)
 		dml2_reinit(dc, dml2_opt, &dc->current_state->bw_ctx.dml2);