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drm/amd/pm: Add smu feature bits data struct

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Add a bitmap struct to represent smu feature bits and functions to set/clear features.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2026-01-16 12:07:39 +05:30 committed by Alex Deucher
parent 82a9ab369a
commit f28b0a1386
1 changed files with 81 additions and 0 deletions
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81
drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
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@ -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