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drm/amd/display: Move FPU Guards From DML To DC - Part 3

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[Why]
FPU guards (DC_FP_START/DC_FP_END) are required to wrap around code that
can manipulates floats. To do this properly, the FPU guards must be used
in a file that is not compiled as a FPU unit. If the guards are used in
a file that is a FPU unit, other sections in the file that aren't guarded
may be end up being compiled to use FPU operations.

[How]
Added DC_FP_START and DC_FP_END to DC functions that call DML functions
using FPU.

Reviewed-by: Dillon Varone <dillon.varone@amd.com>
Signed-off-by: Rafal Ostrowski <rafal.ostrowski@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rafal Ostrowski 2026-02-23 06:13:32 +01:00 committed by Alex Deucher
parent 4bb2f0721e
commit 32c1c35b6d
5 changed files with 9 additions and 5 deletions
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1
drivers/gpu/drm/amd/display/dc/dml2_0/Makefile
View File

@ -85,6 +85,7 @@ AMD_DAL_DML2 = $(addprefix $(AMDDALPATH)/dc/dml2_0/,$(DML2))
AMD_DISPLAY_FILES += $(AMD_DAL_DML2)
DML21 := src/dml2_top/dml2_top_interfaces.o
DML21 += src/dml2_top/dml2_top_soc15.o
DML21 += src/dml2_core/dml2_core_dcn4.o

1
drivers/gpu/drm/amd/display/dc/dml2_0/dml21/dml21_wrapper.c
View File

@ -38,6 +38,7 @@ static bool dml21_allocate_memory(struct dml2_context **dml_ctx)
(*dml_ctx)->v21.mode_programming.display_config = (*dml_ctx)->v21.mode_support.display_config;
DC_RUN_WITH_PREEMPTION_ENABLED((*dml_ctx)->v21.mode_programming.programming = vzalloc(sizeof(struct dml2_display_cfg_programming)));
if (!((*dml_ctx)->v21.mode_programming.programming))
return false;

4
drivers/gpu/drm/amd/display/dc/dml2_0/dml21/dml21_wrapper_fpu.c
View File

@ -1,6 +1,6 @@
// SPDX-License-Identifier: MIT
//
// Copyright 2024 Advanced Micro Devices, Inc.
// Copyright 2026 Advanced Micro Devices, Inc.
#include "dml2_internal_types.h"
#include "dml_top.h"
@ -377,5 +377,3 @@ void dml21_prepare_mcache_programming(struct dc *in_dc, struct dc_state *context
}
}
}

2
drivers/gpu/drm/amd/display/dc/dml2_0/dml21/dml21_wrapper_fpu.h
View File

@ -1,6 +1,6 @@
// SPDX-License-Identifier: MIT
//
// Copyright 2024 Advanced Micro Devices, Inc.
// Copyright 2026 Advanced Micro Devices, Inc.
#ifndef _DML21_WRAPPER_FPU_H_
#define _DML21_WRAPPER_FPU_H_

6
drivers/gpu/drm/amd/display/dc/dml2_0/dml2_wrapper.c
View File

@ -13,6 +13,10 @@
#include "dc_fpu.h"
#if !defined(DC_RUN_WITH_PREEMPTION_ENABLED)
#define DC_RUN_WITH_PREEMPTION_ENABLED(code) code
#endif // !DC_RUN_WITH_PREEMPTION_ENABLED
struct dml2_context *dml2_allocate_memory(void)
{
struct dml2_context *dml2;
@ -20,7 +24,6 @@ struct dml2_context *dml2_allocate_memory(void)
DC_RUN_WITH_PREEMPTION_ENABLED(dml2 = vzalloc(sizeof(struct dml2_context)));
return dml2;
}
bool dml2_validate(const struct dc *in_dc, struct dc_state *context, struct dml2_context *dml2,
enum dc_validate_mode validate_mode)
{
@ -84,6 +87,7 @@ static void dml2_init(const struct dc *in_dc, const struct dml2_configuration_op
initialize_dml2_soc_bbox(*dml2, in_dc, &(*dml2)->v20.dml_core_ctx.soc);
initialize_dml2_soc_states(*dml2, in_dc, &(*dml2)->v20.dml_core_ctx.soc, &(*dml2)->v20.dml_core_ctx.states);
}
bool dml2_create(const struct dc *in_dc, const struct dml2_configuration_options *config, struct dml2_context **dml2)