Home
last modified time | relevance | path

Searched refs:den (Results 1 – 25 of 51) sorted by relevance

123

/drivers/clk/spacemit/
A Dccu_ddn.c26 unsigned long num, unsigned long den) in ccu_ddn_calc_rate() argument
28 return prate * den / 2 / num; in ccu_ddn_calc_rate()
33 unsigned long *num, unsigned long *den) in ccu_ddn_calc_best_rate() argument
38 den, num); in ccu_ddn_calc_best_rate()
39 return ccu_ddn_calc_rate(prate, *num, *den); in ccu_ddn_calc_best_rate()
46 unsigned long num, den; in ccu_ddn_round_rate() local
54 unsigned int val, num, den; in ccu_ddn_recalc_rate() local
59 den = (val & ddn->den_mask) >> ddn->den_shift; in ccu_ddn_recalc_rate()
61 return ccu_ddn_calc_rate(prate, num, den); in ccu_ddn_recalc_rate()
68 unsigned long num, den; in ccu_ddn_set_rate() local
[all …]
/drivers/gpu/drm/amd/amdgpu/
A Damdgpu_pll.c44 static void amdgpu_pll_reduce_ratio(unsigned *nom, unsigned *den, in amdgpu_pll_reduce_ratio() argument
50 tmp = gcd(*nom, *den); in amdgpu_pll_reduce_ratio()
52 *den /= tmp; in amdgpu_pll_reduce_ratio()
58 *den *= tmp; in amdgpu_pll_reduce_ratio()
62 if (*den < den_min) { in amdgpu_pll_reduce_ratio()
63 tmp = DIV_ROUND_UP(den_min, *den); in amdgpu_pll_reduce_ratio()
65 *den *= tmp; in amdgpu_pll_reduce_ratio()
85 unsigned int den, unsigned int post_div, in amdgpu_pll_get_fb_ref_div() argument
98 *fb_div = DIV_ROUND_CLOSEST(nom * *ref_div * post_div, den); in amdgpu_pll_get_fb_ref_div()
138 unsigned nom, den; in amdgpu_pll_compute() local
[all …]
/drivers/gpu/drm/i915/display/
A Dintel_sprite.c197 *den = 8; in vlv_plane_ratio()
201 *den = 16; in vlv_plane_ratio()
205 *den = 1; in vlv_plane_ratio()
212 *den = 8; in vlv_plane_ratio()
216 *den = 16; in vlv_plane_ratio()
220 *den = 1; in vlv_plane_ratio()
227 *den = 8; in vlv_plane_ratio()
231 *den = 1; in vlv_plane_ratio()
498 *den = 8; in ivb_plane_ratio()
533 *den = 8; in ivb_plane_ratio_scaling()
[all …]
A Di9xx_plane.c383 unsigned int *num, unsigned int *den) in i9xx_plane_ratio() argument
397 *den = 8; in i9xx_plane_ratio()
400 *den = 1; in i9xx_plane_ratio()
408 unsigned int num, den; in i9xx_plane_min_cdclk() local
419 i9xx_plane_ratio(crtc_state, plane_state, &num, &den); in i9xx_plane_min_cdclk()
423 den *= 2; in i9xx_plane_min_cdclk()
425 return DIV_ROUND_UP(pixel_rate * num, den); in i9xx_plane_min_cdclk()
/drivers/media/dvb-frontends/cxd2880/
A Dcxd2880_tnrdmd_dvbt_mon.c550 int den; in cxd2880_tnrdmd_dvbt_mon_sampling_offset() local
639 den = (nominal_rate_reg[0] & 0x7f) << 24; in cxd2880_tnrdmd_dvbt_mon_sampling_offset()
640 den |= nominal_rate_reg[1] << 16; in cxd2880_tnrdmd_dvbt_mon_sampling_offset()
641 den |= nominal_rate_reg[2] << 8; in cxd2880_tnrdmd_dvbt_mon_sampling_offset()
642 den |= nominal_rate_reg[3]; in cxd2880_tnrdmd_dvbt_mon_sampling_offset()
643 den = (den + (390625 / 2)) / 390625; in cxd2880_tnrdmd_dvbt_mon_sampling_offset()
645 den >>= 1; in cxd2880_tnrdmd_dvbt_mon_sampling_offset()
648 *ppm = (num + (den / 2)) / den; in cxd2880_tnrdmd_dvbt_mon_sampling_offset()
650 *ppm = (num - (den / 2)) / den; in cxd2880_tnrdmd_dvbt_mon_sampling_offset()
A Dcxd2880_tnrdmd_dvbt2_mon.c1437 int den; in cxd2880_tnrdmd_dvbt2_mon_sampling_offset() local
1537 den = (nominal_rate_reg[0] & 0x7f) << 24; in cxd2880_tnrdmd_dvbt2_mon_sampling_offset()
1538 den |= nominal_rate_reg[1] << 16; in cxd2880_tnrdmd_dvbt2_mon_sampling_offset()
1539 den |= nominal_rate_reg[2] << 8; in cxd2880_tnrdmd_dvbt2_mon_sampling_offset()
1540 den |= nominal_rate_reg[3]; in cxd2880_tnrdmd_dvbt2_mon_sampling_offset()
1541 den = (den + (390625 / 2)) / 390625; in cxd2880_tnrdmd_dvbt2_mon_sampling_offset()
1543 den >>= 1; in cxd2880_tnrdmd_dvbt2_mon_sampling_offset()
1546 *ppm = (num + (den / 2)) / den; in cxd2880_tnrdmd_dvbt2_mon_sampling_offset()
1548 *ppm = (num - (den / 2)) / den; in cxd2880_tnrdmd_dvbt2_mon_sampling_offset()
/drivers/iio/chemical/
A Dsen0322.c48 static int sen0322_read_scale(struct sen0322 *sen0322, int *num, int *den) in sen0322_read_scale() argument
59 *den = 100000; /* Coeff is scaled by 1000 at calibration. */ in sen0322_read_scale()
62 *den = 120000; /* Output of the sensor at 20.9% is 120 uA. */ in sen0322_read_scale()
66 *num, *den); in sen0322_read_scale()
/drivers/clk/spear/
A Dclk-aux-synth.c66 unsigned int num = 1, den = 1, val, eqn; in clk_aux_recalc_rate() local
79 den = 2; in clk_aux_recalc_rate()
86 den *= (val >> aux->masks->yscale_sel_shift) & in clk_aux_recalc_rate()
89 if (!den) in clk_aux_recalc_rate()
92 return (((parent_rate / 10000) * num) / den) * 10000; in clk_aux_recalc_rate()
A Dclk-vco-pll.c194 unsigned int num = 2, den = 0, val, mode = 0; in clk_vco_recalc_rate() local
206 den = (val >> PLL_DIV_N_SHIFT) & PLL_DIV_N_MASK; in clk_vco_recalc_rate()
215 den *= 256; in clk_vco_recalc_rate()
218 if (!den) { in clk_vco_recalc_rate()
223 return (((parent_rate / 10000) * num) / den) * 10000; in clk_vco_recalc_rate()
/drivers/clk/qcom/
A Dclk-rcg2.c727 duty->den = 2; in clk_rcg2_get_duty_cycle()
738 duty->den = 2; in clk_rcg2_get_duty_cycle()
750 duty->den = n; in clk_rcg2_get_duty_cycle()
863 int den; member
919 f.n = frac->den; in clk_edp_pixel_set_rate()
1183 f.n = frac->den; in clk_pixel_set_rate()
1793 if (!num || !den) in clk_rcg2_dp_set_rate()
1812 if (num != den) { in clk_rcg2_dp_set_rate()
1814 f.n = den; in clk_rcg2_dp_set_rate()
1841 if (!num || !den) in clk_rcg2_dp_determine_rate()
[all …]
/drivers/gpu/drm/amd/display/dc/basics/
A Dconversion.c150 void reduce_fraction(uint32_t num, uint32_t den, in reduce_fraction() argument
155 gcd = find_gcd(num, den); in reduce_fraction()
157 *out_den = den / gcd; in reduce_fraction()
/drivers/gpu/drm/i915/gt/
A Dintel_gt_clock_utils.c201 static u64 div_u64_roundup(u64 nom, u32 den) in div_u64_roundup() argument
203 return div_u64(nom + den - 1, den); in div_u64_roundup()
/drivers/staging/media/meson/vdec/
A Dcodec_vp9.c1457 den = tree_left + tree_right; in vp9_tree_merge_probs()
1459 if (den == 0) { in vp9_tree_merge_probs()
1465 (den >> 1)), in vp9_tree_merge_probs()
1466 den)); in vp9_tree_merge_probs()
1516 m_count = min(den, count_sat); in adapt_coef_probs_cxt()
1518 get_prob = (den == 0) ? in adapt_coef_probs_cxt()
1521 (den >> 1)), den)); in adapt_coef_probs_cxt()
1563 int den; in adapt_coef_probs() local
1663 if (den == 0) { in adapt_coef_probs()
1670 (den >> 1)), in adapt_coef_probs()
[all …]
/drivers/thermal/
A Dk3_j72xx_bandgap.c85 int m = 0, c, num, den, i, err, idx1, idx2, err1, err2, ref1, ref2; in create_table_segments() local
103 den = err2 - err1; in create_table_segments()
104 if (den) in create_table_segments()
105 m = num / den; in create_table_segments()
112 if (den != 0 && m != 0) { in create_table_segments()
/drivers/clk/
A Dclk-versaclock7.c268 static u64 vc7_128_div_64_to_64(u64 numhi, u64 numlo, u64 den, u64 *r) in vc7_128_div_64_to_64() argument
303 if (numhi >= den) { in vc7_128_div_64_to_64()
322 shift = __builtin_clzll(den); in vc7_128_div_64_to_64()
323 den <<= shift; in vc7_128_div_64_to_64()
334 den1 = (u32)(den >> 32); in vc7_128_div_64_to_64()
335 den0 = (u32)(den & 0xFFFFFFFFu); in vc7_128_div_64_to_64()
346 qhat -= (c1 - c2 > den) ? 2 : 1; in vc7_128_div_64_to_64()
350 rem = numhi * b + num1 - q1 * den; in vc7_128_div_64_to_64()
360 qhat -= (c1 - c2 > den) ? 2 : 1; in vc7_128_div_64_to_64()
365 *r = (rem * b + num0 - q0 * den) >> shift; in vc7_128_div_64_to_64()
/drivers/gpu/drm/radeon/
A Dradeon_display.c891 tmp = gcd(*nom, *den); in avivo_reduce_ratio()
893 *den /= tmp; in avivo_reduce_ratio()
899 *den *= tmp; in avivo_reduce_ratio()
903 if (*den < den_min) { in avivo_reduce_ratio()
904 tmp = DIV_ROUND_UP(den_min, *den); in avivo_reduce_ratio()
906 *den *= tmp; in avivo_reduce_ratio()
932 *ref_div = min(max(den/post_div, 1u), ref_div_max); in avivo_get_fb_ref_div()
971 unsigned nom, den; in radeon_compute_pll_avivo() local
1032 den = pll->reference_freq; in radeon_compute_pll_avivo()
1035 avivo_reduce_ratio(&nom, &den, fb_div_min, post_div_min); in radeon_compute_pll_avivo()
[all …]
/drivers/video/fbdev/core/
A Dfbcvt.c76 u32 den; in fb_cvt_hperiod() local
80 den = 2 * (cvt->yres/cvt->interlace + 2 * cvt->v_margin); in fb_cvt_hperiod()
83 den = 2 * (cvt->yres/cvt->interlace + cvt->v_margin * 2 in fb_cvt_hperiod()
87 return 2 * (num/den); in fb_cvt_hperiod()
/drivers/clk/meson/
A Dsclk-div.c117 sclk->cached_duty.den); in sclk_apply_ratio()
148 duty->den = 2; in sclk_div_get_duty_cycle()
154 duty->den = sclk->cached_div; in sclk_div_get_duty_cycle()
/drivers/media/v4l2-core/
A Dv4l2-dv-timings.c765 u32 den; in v4l2_detect_gtf() local
769 den = (hfreq * (100 - GTF_D_C_PRIME) + GTF_D_M_PRIME * 1000) * in v4l2_detect_gtf()
771 h_blank = div_u64((num + (den >> 1)), den); in v4l2_detect_gtf()
775 u32 den; in v4l2_detect_gtf() local
779 den = (hfreq * (100 - GTF_S_C_PRIME) + GTF_S_M_PRIME * 1000) * in v4l2_detect_gtf()
781 h_blank = div_u64((num + (den >> 1)), den); in v4l2_detect_gtf()
A Dv4l2-vp9.c1485 u32 den, prob, count, factor; in merge_prob() local
1487 den = ct0 + ct1; in merge_prob()
1488 if (!den) { in merge_prob()
1497 prob = clamp(((ct0 << 8) + (den >> 1)) / den, (u32)1, (u32)255); in merge_prob()
1498 count = min_t(u32, den, count_sat); in merge_prob()
/drivers/net/ethernet/hisilicon/hns3/hns3pf/
A Dhclge_ptp.c16 ptp->cycle.den = readl(hdev->ptp->io_base + HCLGE_PTP_CYCLE_DEN_REG); in hclge_ptp_get_cycle()
18 if (ptp->cycle.den == 0) { in hclge_ptp_get_cycle()
34 adj_base = (u64)cycle->quo * (u64)cycle->den + (u64)cycle->numer; in hclge_ptp_adjfine()
42 quo = div_u64_rem(adj_val, cycle->den, &numerator); in hclge_ptp_adjfine()
48 writel(cycle->den, hdev->ptp->io_base + HCLGE_PTP_CYCLE_DEN_REG); in hclge_ptp_adjfine()
/drivers/video/fbdev/riva/
A Dfbdev.c857 int nom, int den) in rivafb_do_maximize() argument
877 if (modes[i].xres * nom / den * modes[i].yres < in rivafb_do_maximize()
894 var->xres_virtual = (info->fix.smem_len * den / in rivafb_do_maximize()
900 var->yres_virtual = info->fix.smem_len * den / in rivafb_do_maximize()
915 if (var->xres_virtual * nom / den >= 8192) { in rivafb_do_maximize()
918 var->xres_virtual, 8192 * den / nom - 16); in rivafb_do_maximize()
919 var->xres_virtual = 8192 * den / nom - 16; in rivafb_do_maximize()
1090 nom = den = 1; in rivafb_check_var()
1118 den = 1; in rivafb_check_var()
1127 den = 1; in rivafb_check_var()
[all …]
/drivers/video/fbdev/aty/
A Dradeonfb.h439 static inline int round_div(int num, int den) in round_div() argument
441 return (num + (den / 2)) / den; in round_div()
/drivers/thermal/qcom/
A Dtsens.c263 int num, den; in compute_intercept_slope() local
279 den = CAL_DEGC_PT2 - CAL_DEGC_PT1; in compute_intercept_slope()
280 priv->sensor[i].slope = num / den; in compute_intercept_slope()
301 int degc, num, den; in code_to_degc() local
304 den = s->slope; in code_to_degc()
307 degc = num + (den / 2); in code_to_degc()
309 degc = num - (den / 2); in code_to_degc()
313 degc /= den; in code_to_degc()
/drivers/video/fbdev/matrox/
A Dmatroxfb_maven.c201 unsigned int den; member
216 .den = 50
221 .den = 60
231 unsigned int fmin = pll->vco_freq_min / ctl->den; in matroxfb_PLL_mavenclock()
241 fmax = pll->vco_freq_max / ctl->den; in matroxfb_PLL_mavenclock()
295 return fxtal * (*feed) / (*in) * ctl->den; in matroxfb_PLL_mavenclock()

Completed in 93 milliseconds

123