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/* SPDX-License-Identifier: MIT */
/*
* Copyright 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 __DC_FPU_H__
#define __DC_FPU_H__
void dc_assert_fp_enabled(void);
bool dc_is_fp_enabled(void);
void dc_fpu_begin(const char *function_name, const int line);
void dc_fpu_end(const char *function_name, const int line);
#ifndef _LINUX_FPU_COMPILATION_UNIT
#define DC_FP_START() dc_fpu_begin(__func__, __LINE__)
#define DC_FP_END() dc_fpu_end(__func__, __LINE__)
#ifdef CONFIG_DRM_AMD_DC_FP
#define DC_RUN_WITH_PREEMPTION_ENABLED(code) \
do { \
bool dc_fp_enabled = dc_is_fp_enabled(); \
if (dc_fp_enabled) \
DC_FP_END(); \
code; \
if (dc_fp_enabled) \
DC_FP_START(); \
} while (0)
#else
#define DC_RUN_WITH_PREEMPTION_ENABLED(code) code
#endif // !CONFIG_DRM_AMD_DC_FP
#else
#define DC_FP_START() BUILD_BUG()
#define DC_FP_END() BUILD_BUG()
#define DC_RUN_WITH_PREEMPTION_ENABLED(code) \
do { \
BUILD_BUG(); \
code; \
} while (0)
#endif // !_LINUX_FPU_COMPILATION_UNIT
#endif /* __DC_FPU_H__ */
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