drm/amd/display: move FPU related code from dcn31 to dml/dcn31 folder

Creates FPU files in dml/dcn31 folder to centralize FPU operations
from 3.1x drivers and moves all FPU-associated code from dcn31 driver
to there. It includes the struct _vcs_dpi_ip_params_st and
_vcs_dpi_soc_bounding_box_st and functions:

- dcn31_calculate_wm_and_dlg_fp()
- dcn31_update_bw_bounding_box()

adding dc_assert_fp_enabled to them and drop DC_FP_START/END inside
functions that was moved to dml folder, as required.
Signed-off-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn31/Makefile

@@ -15,32 +15,6 @@ DCN31 = dcn31_resource.o dcn31_hubbub.o dcn31_hwseq.o dcn31_init.o dcn31_hubp.o
 	dcn31_apg.o dcn31_hpo_dp_stream_encoder.o dcn31_hpo_dp_link_encoder.o \
 	dcn31_afmt.o dcn31_vpg.o
 
-ifdef CONFIG_X86
-CFLAGS_$(AMDDALPATH)/dc/dcn31/dcn31_resource.o := -msse
-endif
-
-ifdef CONFIG_PPC64
-CFLAGS_$(AMDDALPATH)/dc/dcn31/dcn31_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/dcn31/dcn31_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_$(AMDDALPATH)/dc/dcn31/dcn31_resource.o += -mpreferred-stack-boundary=4
-else
-CFLAGS_$(AMDDALPATH)/dc/dcn31/dcn31_resource.o += -msse2
-endif
-endif
-
 AMD_DAL_DCN31 = $(addprefix $(AMDDALPATH)/dc/dcn31/,$(DCN31))
 
 AMD_DISPLAY_FILES += $(AMD_DAL_DCN31)

drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.h

@@ -31,6 +31,9 @@
 #define TO_DCN31_RES_POOL(pool)\
 	container_of(pool, struct dcn31_resource_pool, base)
 
+extern struct _vcs_dpi_ip_params_st dcn3_1_ip;
+extern struct _vcs_dpi_soc_bounding_box_st dcn3_1_soc;
+
 struct dcn31_resource_pool {
 	struct resource_pool base;
 };
@@ -47,7 +50,6 @@ int dcn31_populate_dml_pipes_from_context(
 	struct dc *dc, struct dc_state *context,
 	display_e2e_pipe_params_st *pipes,
 	bool fast_validate);
-void dcn31_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_params);
 void dcn31_update_soc_for_wm_a(struct dc *dc, struct dc_state *context);
 
 struct resource_pool *dcn31_create_resource_pool(

drivers/gpu/drm/amd/display/dc/dml/Makefile

@@ -71,6 +71,7 @@ CFLAGS_$(AMDDALPATH)/dc/dml/dcn30/display_mode_vba_30.o := $(dml_ccflags) $(fram
 CFLAGS_$(AMDDALPATH)/dc/dml/dcn30/display_rq_dlg_calc_30.o := $(dml_ccflags)
 CFLAGS_$(AMDDALPATH)/dc/dml/dcn31/display_mode_vba_31.o := $(dml_ccflags) $(frame_warn_flag)
 CFLAGS_$(AMDDALPATH)/dc/dml/dcn31/display_rq_dlg_calc_31.o := $(dml_ccflags)
+CFLAGS_$(AMDDALPATH)/dc/dml/dcn31/dcn31_fpu.o := $(dml_ccflags)
 CFLAGS_$(AMDDALPATH)/dc/dml/dcn301/dcn301_fpu.o := $(dml_ccflags)
 CFLAGS_$(AMDDALPATH)/dc/dml/dcn302/dcn302_fpu.o := $(dml_ccflags)
 CFLAGS_$(AMDDALPATH)/dc/dml/dcn303/dcn303_fpu.o := $(dml_ccflags)
@@ -114,6 +115,7 @@ DML += dcn20/display_rq_dlg_calc_20v2.o dcn20/display_mode_vba_20v2.o
 DML += dcn21/display_rq_dlg_calc_21.o dcn21/display_mode_vba_21.o
 DML += dcn30/display_mode_vba_30.o dcn30/display_rq_dlg_calc_30.o
 DML += dcn31/display_mode_vba_31.o dcn31/display_rq_dlg_calc_31.o
+DML += dcn31/dcn31_fpu.o
 DML += dcn301/dcn301_fpu.o
 DML += dcn302/dcn302_fpu.o
 DML += dcn303/dcn303_fpu.o

drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.h

+/*
+ * Copyright 2019-2021 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
+ *
+ */
+
+#ifndef __DCN31_FPU_H__
+#define __DCN31_FPU_H__
+
+#define DCN3_1_DEFAULT_DET_SIZE 384
+
+void dcn31_calculate_wm_and_dlg_fp(
+		struct dc *dc, struct dc_state *context,
+		display_e2e_pipe_params_st *pipes,
+		int pipe_cnt,
+		int vlevel);
+
+void dcn31_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_params);
+
+#endif /* __DCN31_FPU_H__*/