Searched refs:frac_bits (Results 1 – 6 of 6) sorted by relevance
| /Linux-v6.6/kernel/sched/ |
| D | loadavg.c | 109 fixed_power_int(unsigned long x, unsigned int frac_bits, unsigned int n) in fixed_power_int() argument
111 unsigned long result = 1UL << frac_bits; in fixed_power_int()
117 result += 1UL << (frac_bits - 1); in fixed_power_int()
118 result >>= frac_bits; in fixed_power_int()
124 x += 1UL << (frac_bits - 1); in fixed_power_int()
125 x >>= frac_bits; in fixed_power_int()
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| /Linux-v6.6/drivers/clk/bcm/ |
| D | clk-bcm2835.c | 497 u32 frac_bits; member
943 GENMASK(CM_DIV_FRAC_BITS - data->frac_bits, 0) >> 1; in bcm2835_clock_choose_div()
962 CM_DIV_FRAC_BITS - data->frac_bits); in bcm2835_clock_choose_div()
979 if (data->int_bits == 0 && data->frac_bits == 0) in bcm2835_clock_rate_from_divisor()
986 div >>= CM_DIV_FRAC_BITS - data->frac_bits; in bcm2835_clock_rate_from_divisor()
987 div &= (1 << (data->int_bits + data->frac_bits)) - 1; in bcm2835_clock_rate_from_divisor()
992 temp = (u64)parent_rate << data->frac_bits; in bcm2835_clock_rate_from_divisor()
1029 if (data->int_bits == 0 && data->frac_bits == 0) in bcm2835_clock_get_rate()
1180 if (data->frac_bits) in bcm2835_clock_choose_div_and_prate()
1947 .frac_bits = 0,
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| /Linux-v6.6/drivers/md/ |
| D | dm-ps-historical-service-time.c | 86 static u64 fixed_power(u64 x, unsigned int frac_bits, unsigned int n) in fixed_power() argument
88 unsigned long result = 1UL << frac_bits; in fixed_power()
94 result += 1UL << (frac_bits - 1); in fixed_power()
95 result >>= frac_bits; in fixed_power()
101 x += 1UL << (frac_bits - 1); in fixed_power()
102 x >>= frac_bits; in fixed_power()
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| /Linux-v6.6/drivers/gpu/drm/amd/display/include/ |
| D | fixed31_32.h | 517 static inline struct fixed31_32 dc_fixpt_truncate(struct fixed31_32 arg, unsigned int frac_bits) in dc_fixpt_truncate() argument
521 if (frac_bits >= FIXED31_32_BITS_PER_FRACTIONAL_PART) { in dc_fixpt_truncate()
522 ASSERT(frac_bits == FIXED31_32_BITS_PER_FRACTIONAL_PART); in dc_fixpt_truncate()
528 arg.value &= (~0ULL) << (FIXED31_32_BITS_PER_FRACTIONAL_PART - frac_bits); in dc_fixpt_truncate()
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| /Linux-v6.6/sound/soc/fsl/ |
| D | fsl_easrc.c | 179 unsigned int frac_bits; in fsl_easrc_set_rs_ratio() local
186 frac_bits = 39; in fsl_easrc_set_rs_ratio()
190 frac_bits = 38; in fsl_easrc_set_rs_ratio()
194 frac_bits = 37; in fsl_easrc_set_rs_ratio()
200 val = (u64)in_rate << frac_bits; in fsl_easrc_set_rs_ratio()
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| /Linux-v6.6/drivers/gpu/drm/i915/display/ |
| D | intel_color.c | 571 static u16 ctm_to_twos_complement(u64 coeff, int int_bits, int frac_bits) in ctm_to_twos_complement() argument
576 c >>= 32 - frac_bits - 1; in ctm_to_twos_complement()
584 c = clamp(c, -(s64)BIT(int_bits + frac_bits - 1), in ctm_to_twos_complement()
585 (s64)(BIT(int_bits + frac_bits - 1) - 1)); in ctm_to_twos_complement()
587 return c & (BIT(int_bits + frac_bits) - 1); in ctm_to_twos_complement()
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