Add a bitmap struct to represent smu feature bits and functions to set/clear features.
Signed-off-by: Lijo Lazar <[email protected]> --- drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h | 81 +++++++++++++++++++ 1 file changed, 81 insertions(+) diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h index 1def04826f10..017df903a7bd 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h @@ -472,6 +472,11 @@ struct smu_power_context { }; #define SMU_FEATURE_MAX (64) + +struct smu_feature_bits { + DECLARE_BITMAP(bits, SMU_FEATURE_MAX); +}; + struct smu_feature { uint32_t feature_num; DECLARE_BITMAP(supported, SMU_FEATURE_MAX); @@ -1974,4 +1979,80 @@ int amdgpu_smu_ras_send_msg(struct amdgpu_device *adev, enum smu_message_type ms void smu_feature_cap_set(struct smu_context *smu, enum smu_feature_cap_id fea_id); bool smu_feature_cap_test(struct smu_context *smu, enum smu_feature_cap_id fea_id); + +static inline bool smu_feature_bits_is_set(const struct smu_feature_bits *bits, + unsigned int bit) +{ + if (bit >= SMU_FEATURE_MAX) + return false; + + return test_bit(bit, bits->bits); +} + +static inline void smu_feature_bits_set_bit(struct smu_feature_bits *bits, + unsigned int bit) +{ + if (bit < SMU_FEATURE_MAX) + __set_bit(bit, bits->bits); +} + +static inline void smu_feature_bits_clear_bit(struct smu_feature_bits *bits, + unsigned int bit) +{ + if (bit < SMU_FEATURE_MAX) + __clear_bit(bit, bits->bits); +} + +static inline void smu_feature_bits_clearall(struct smu_feature_bits *bits) +{ + bitmap_zero(bits->bits, SMU_FEATURE_MAX); +} + +static inline void smu_feature_bits_fill(struct smu_feature_bits *bits) +{ + bitmap_fill(bits->bits, SMU_FEATURE_MAX); +} + +static inline bool +smu_feature_bits_test_mask(const struct smu_feature_bits *bits, + const unsigned long *mask) +{ + return bitmap_intersects(bits->bits, mask, SMU_FEATURE_MAX); +} + +static inline void smu_feature_bits_from_arr32(struct smu_feature_bits *bits, + const uint32_t *arr, + unsigned int nbits) +{ + bitmap_from_arr32(bits->bits, arr, nbits); +} + +static inline void +smu_feature_bits_to_arr32(const struct smu_feature_bits *bits, uint32_t *arr, + unsigned int nbits) +{ + bitmap_to_arr32(arr, bits->bits, nbits); +} + +static inline bool smu_feature_bits_empty(const struct smu_feature_bits *bits, + unsigned int nbits) +{ + return bitmap_empty(bits->bits, nbits); +} + +static inline void smu_feature_bits_copy(struct smu_feature_bits *dst, + const unsigned long *src, + unsigned int nbits) +{ + bitmap_copy(dst->bits, src, nbits); +} + +static inline void smu_feature_bits_or(struct smu_feature_bits *dst, + const struct smu_feature_bits *src1, + const unsigned long *src2, + unsigned int nbits) +{ + bitmap_or(dst->bits, src1->bits, src2, nbits); +} + #endif -- 2.49.0
